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GMC Yukon 2000–2006

GMC YukonModel years 2000–2006

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1 conditions added

Common on this vehicle:Gauge or instrument faultNoiseWarning lightCorrosion or rustLeakReduced brakingAir conditioning or heaterVibration or shudder

Record by record

195 records state a cause or a remedy. Each record is shown as short labels in the order fault → finding the cause → correction. Press a label to narrow to the records that state it.

Symptom

Component named as the cause

Work done

How it is said to have ended

  • says it was fixed5
  • says it came back3
  • says it did not fix it4
  • result not stated52

A ribbon is as wide as the records that state both of its ends (only the commonest are drawn). A record that names several symptoms or components runs through each. Orange is records that say the fault came back or was not fixed. Results come from owners’ reports only; one that does not say is “result not stated”. None of this is a likelihood of a cause or a rate at which work succeeds.

Read the records one by one (34)

Known issuesBrake pipe (brake line) corrosion and rupture18

  1. Owner complaint2002 GMC YUKON DENALI ・ 2016-07-16

    Brake line failure recurring within 12 months

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    YESTERDAY, I WAS DRIVING TO WORK ON I495, D.C. BELTWAY AT 50 MPH (= 80.5 km/h), WHERE THOUSANDS OF PEOPLE TRAVEL DAILY AND I HAD ANOTHER CATASTROPHIC BRAKE FAILURE AT 50 MPH (= 80.5 km/h).
    Cause
    HOWEVER, WITH THE SNOW-BELTS STATES SALTING THE ROADS HAVE DAMAGED MANY GM AND OTHER VEHICLES. (1 more)
    Remedy
    A NATIONALLY KNOWN COMPANY REPLACED THE PORTION OF THE BRAKE LINE THAT RUPTURED, BUT THEY DID WARN ME THAT RUST WAS RAMPART BECAUSE OF THE SALT.
    Consequence
    ONLY BY THE GRACE OF GOD, NO ONE WAS INJURED OR KILLED OR HAD SUBSTANTIAL PROPERTY DAMAGE.

  2. Owner complaint2006 GMC YUKON DENALI ・ 2017-09-08

    Severe brake line corrosion and wheel speed sensor corrosion causing ABS activation at low speeds

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    MALFUNCTION OCCURS INTERMITTENTLY.
    Cause
    SEVERE BRAKE LINE CORROSION AND CORROSION AT WHEEL SPEED SENSORS CAUSES ABS TO ACTIVATE AT LOW SPEEDS. (1 more)
    Consequence
    I HAD 2 NEAR MISS CRASHES AND THEN CAR WOULD NOT STOP AND I HIT A FENCE IN MY YARD YESTERDAY.

  3. Owner complaint2001 GMC YUKON DENALI ・ 2015-07-28

    Brake system completely failed while driving at 35 MPH

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    BRAKES COMPLETELY FAILED. (2 more)
    Cause
    THE BRAKE LINES CORRODE, AND EVENTUALLY BURST. ABSURD!
    Inspection
    ADVISED THAT ALL BRAKE LINES NEED TO BE REPLACED, THIS IS A COMMON PROBLEM WITH GMC THAT HE HAS SEEN A DOZEN TIMES.
    Consequence
    WAS ABLE TO AVOID AN INCIDENT BY VEERING INTO THE ONCOMING LANE THAT WAS LUCKILY VACANT.

  4. Owner complaint2002 GMC YUKON ・ 2014-11-17

    Brake failure due to corroded and fractured brake lines at 65,000 miles

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    THE CONTACT STATED THAT THE BRAKES FAILED TO ENGAGE WHEN THE BRAKE PEDAL WAS DEPRESSED.
    Cause
    UPDATED 01/15/15*LJ THE BRAKE LINES ROTTED OUT AND CAUSED FLUID TO LEAK, WHICH IN TURN CAUSED THE BRAKES TO FAIL.
    Inspection
    THE DEALER DIAGNOSED THAT THE BRAKE LINES WERE CORRODED AND FRACTURED DUE TO DEFECTIVE METAL.
    Outcome
    THE VEHICLE WAS REPAIRED.

  5. Owner complaint2001 GMC YUKON ・ 2014-11-16

    Complete brake failure while backing into driveway

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    WHILE SLOWLY BACKING THE CAR INTO DRIVEWAY THE BRAKES FAILED COMPLETELY. (1 more)
    Cause
    THE E-BRAKE CABLE FAILED BECAUSE OF RUST AND THE BRAKE LINES TO THE EBCM WHERE THEY GO OVER FRAME ALL FAILED.
    Consequence
    WHEN THE BRAKES (E-BRAKE AND BOTH LINES) ALL FAILED THE CAR ROLLED OUT OF CONTROLLED INTO A TREE. (1 more)

  6. Owner complaint2001 GMC YUKON ・ 2014-03-19

    Brake pedal goes to floor and brake light illuminates when pulling into driveway

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    PULLING INTO THE DRIVEWAY UNDER NORMAL, DRY CONDITIONS, THE BRAKE PEDAL WENT DOWN TO THE FLOOR, AND THE BRAKE LIGHT ON THE DASH ILLUMINATED.
    Cause
    THIS WAS A RESULT OF THE DRIVER'S REAR BRAKE LINE SPRINGING A LEAK WITH NO WARNING WHATSOEVER. (1 more)
    Consequence
    WE CAME A FEW FEET FROM CRASHING THROUGH THE GARAGE DOOR.

  7. Owner complaint2000 GMC YUKON ・ 2014-01-23

    Brake failure and ABS activation while driving, brake line corroded

    1. 1Fault

    2. 2Finding the cause

    3. 3CorrectionNot repaired

    Read the sentences of the record
    Fault
    THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 5 MPH (= 8.05 km/h), THE BRAKES FAILED TO ENGAGE WHEN DEPRESSED AND THE BRAKE PEDAL ABNORMALLY TRAVELED TO THE FLOOR BOARD. (1 more)
    Remedy
    THE VEHICLE WAS NOT REPAIRED. (1 more)
    Inspection
    THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DISCOVERED THAT THE BRAKE LINE WAS CORRODED.

  8. Owner complaint2003 GMC YUKON ・ 2013-11-10

    Brake pedal to floor with no braking capability

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR WITH NO BRAKING CAPABILITY. (3 more)
    Cause
    I ASSUME THAT THE REAR BRAKE LINES HAVE ALSO RUSTED THROUGH. (1 more)
    Remedy
    PAID REPAIR FACILITY TO REPLACE FRONT BRAKE LINES.
    Inspection
    HAD VEHICLE TOWED TO SERVICE FACILITY AND THEY REPORTED THAT THE FRONT BRAKE LINES HAD RUSTED THROUGH CAUSING FLUID TO BE PUSHED OUT.

  9. Owner complaint2003 GMC YUKON ・ 2013-08-22

    Brake lines corrosion caused total brake system failure

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Cause
    BRAKE LINES CORROSION CAUSED TOTAL BRAKE SYSTEM FAILURE.
    Consequence
    FORTUNATELY, NO ONE WAS INJURED OR KILLED. *TR

  10. Owner complaint2000 GMC YUKON ・ 2013-08-16

    Brake line rupture during braking; ruptured again in 2013

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    DRIVING ON SOUTH ON ROUTE 95 THROUGH CONNECTICUT AT APPROXIMATELY 65 MPH (= 104.6 km/h) ON 17AUG12. (1 more)
    Remedy
    DEALER REPLACED 40" OF BRAKE LINE.
    Inspection
    THEY FOUND THE LEFT REAR BRAKE LINE HAD RUPTURED DUE TO RUST.
    Consequence
    NARROWLY AVOIDED REAR ENDING CAR IN FRONT OF ME AT HIGH SPEED. (1 more)

  11. Owner complaint2005 GMC YUKON ・ 2012-07-18

    Sudden brake failure due to corroded rear brake line

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Cause
    CORRODED METAL BRAKE LINE RUSTED THROUGH FOR REAR BRAKES. *TR
    Consequence
    WIFE ALMOST HAD ACCIDENT DUE TO SUDDEN BRAKE FAILURE.

  12. Owner complaint2003 GMC YUKON ・ 2011-12-09

    Brake pedal went to floor and brake light came on during driving

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    STEPPED ON BRAKES TO SLOW-DOWN FOR SLOWER TRAFFIC, THE PEDAL WENT TO THE FLOOR AND THE BRAKE LIGHT CAME ON. (1 more)
    Remedy
    THE FUEL TANK NEEDED TO BE REMOVED TO REPLACE REAR BRAKE LINES ON THE TRUCK.
    Inspection
    THE DEALERSHIP INVESTIGATED THE FAILURE.
    Consequence
    THE YUKON WAS ABLE TO SLOW DOWN BEFORE HITTING THE SLOWER TRAFFIC.

  13. Owner complaint2004 GMC YUKON ・ 2011-11-28

    Brake pedal travels to floor after parking; brake line burst from corrosion

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    DURING THE 2011 30 OCTOBER SNOW STORM IN PA, I WENT TO PICK IT UP TO USE IT. (2 more)
    Remedy
    ACCORDING TO THE DEALER THEY HAD TO FABRICATE A REPLACEMENT BRAKE LINE AND WERE ABLE TO REPLACE IT.
    Inspection
    THEY DIAGNOSED THE PROBLEM AND LET US KNOW THAT THEY HAD FOUND A BRAKE LINE THAT BURST DUE TO CORROSION. (1 more)
    Outcome
    I HAVE DRIVEN THE GMC FOR ABOUT TEN MILES SINCE THE REPAIR AND THE BRAKES APPEAR TO BE BACK TO NORMAL.

  14. Owner complaint2000 GMC YUKON ・ 2011-09-24

    Brake pedal loss, no brakes due to corroded and ruptured brake lines

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    AFTER NO WARNING (LIGHTS, CHIMES OR ALARMS), APPLIED BRAKES AND PEDAL WENT TO THE FLOOR. NO BRAKES. (1 more)
    Cause
    EVERYONE KNOWS WHEN YOU PLACE DIFFERENT METALS IN CONTACT WHERE THEY CAN GET WET, YOU WILL GET ELECTRO-CHEMICAL CORROSION OF THE WEAKER METAL, IN THIS CASE, ALUMINUM. (1 more)
    Inspection
    *TR LOCAL DEALER SAYS ALUMINUM BRAKE LINES WERE SEVERELY CORRODED AND HAD RUPTURED.
    Consequence
    LUCKILY IT WAS VERY EARLY AND NOBODY WAS ON THE ROAD WHEN I BLEW THROUGH A STOP SIGN INTERSECTION.

  15. Owner complaint2001 GMC YUKON ・ 2011-09-17

    Brake failure due to rusted brake lines, loss of brake pressure while stopping

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    SLOW SPEED STOP APPROACHING A LOCKED GATE. (3 more)
    Remedy
    ALL METAL BRAKE LINES HAD TO BE REPLACED.
    Inspection
    MECHANIC FOUND THAT THERE WAS EXCESSIVE RUST ON ALL METAL BRAKE TUBING.
    Consequence
    THE ABOVE VEHICLE STOPPED WITHIN 2 FEET (= 0.61 m) OF STRIKING A METAL SECURITY GATE.

  16. Owner complaint2003 GMC YUKON ・ 2018-10-14

    Brake line failure due to rust

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    I WAS LEAVING MY DRIVEWAY WHEN THE BRAKE PEDAL ON MY GMC YUKON BLEW OUT.
    Cause
    THE LINE HAD RUSTED THOROUGH.

  17. Owner complaint2006 GMC YUKON ・ 2018-06-08

    Brake failure due to rusted brake lines

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Consequence
    NEARLY HAD A REAR EMD COLLISION WHEN THEY FAILED TRYING TO STOP AT 50 MPH (= 80.5 km/h). (1 more)

  18. Owner complaint2004 GMC YUKON ・ 2018-05-29

    Brake pedal depression to floor and brake line failures due to rust at 260K miles

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    WHILE TRAVELING AT HIGHWAY SPEED AND ROUNDING A BLIND CURVE THE TRAFFIC AHEAD HAD STOPPED DUE TO A CRASH. (1 more)
    Inspection
    IT WAS RAINING AND AS I LOOKED UNDER MY TRUCK TO LOOK FOR WHY MY BRAKES WERE INEFFECTIVE BUT COULDN'T SEE ANYTHING AT THAT TIME. (1 more)
    Consequence
    I WASN'T STOPPING NEAR FAST ENOUGH AND HAD TO VEER TO THE LEFT INTO THE MEDIAN TO AVOID MAKING CONTACT WITH ANYONE ELSE.

Known issuesUnwanted ABS activation at low speed (front wheel speed sensor mounting corrosion)3

  1. Recall2000–2002 GMC YUKON ・ —

    ABS activation recall in pickup trucks and SUVs

    1. 1Fault

      • Corrosion may occur between the front hub/bearing assembly and the wheel speed sensor; if the brakes are applied at a speed greater than 6 km/h (3.7 mph) but less than 16 km/h (10 mph), the corrosion may cause an unwanted ABS activation.
      • If this occurred where stopping distance is limited, a crash could occur.
      • The condition does not set any ABS codes and does not illuminate the ABS warning lamp.

    2. 2Finding the cause

      Steps to confirm (in the document’s order)

      1. Check the mounting surface on the sensor head for flatness against a metal machinist's scale or other straight edge, in multiple positions/directions (minimum 3).
      2. With the bearing rotated at about one revolution per second, the reading should be at least 350 ACmV; if it is less than 350 ACmV the wheel speed sensor must be replaced.

    3. 3Correction

      Repair

      1. If the mounting surface on the sensor is warped or bent, the sensor must be replaced.
      2. Thoroughly clean the wheel speed sensor mounting surface on the bearing hub with a wire brush, sandpaper, emery cloth, scotch brite or equivalent to remove any rust or corrosion.
      3. Spray two thin coats of the specified rust penetrating lubricant (corrosion inhibitor) on the complete sensor mounting surface on the bearing hub, letting it dry between coats.
      4. When the corrosion inhibitor is dry to the touch (about 10 minutes), apply a light coating of the specified grease to the complete sensor mounting surface on the bearing hub and to the sensor and O-ring.
      5. Tighten the wheel speed sensor mounting bolt to 18 N·m (13 lb ft).
      1 more points

      Parts

      • Parts listed: 89022217 Lubricant, Rust Penetrating, and 01051344 Lubricant, Wheel Bearing.

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

      Caution

      • Remove the sensor by pulling it straight out of the bore; do not pry it with a screwdriver or other device, because prying will break the sensor body off in the bore.
      • This revision changes some breakpoints and adds vehicles that have moved into the severe corrosion areas; copies of bulletin 05068B, issued April 2006, are to be discarded.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to certain 1999-2002 Chevrolet Silverado and GMC Sierra, 2000-2002 Chevrolet Tahoe, Suburban and GMC Yukon, Yukon XL, and 2002 Chevrolet Avalanche that have at any time been registered in the listed areas.
    • Applies to：The revised defect notice adds Delaware, Iowa, Maryland, Minnesota, Missouri, Wisconsin and the District of Columbia to the original states of Connecticut, Illinois, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont and West Virginia.
    • Condition：Corrosion may occur between the front hub/bearing assembly and the wheel speed sensor; if the brakes are applied at a speed greater than 6 km/h (3.7 mph) but less than 16 km/h (10 mph), the corrosion may cause an unwanted ABS activation.
    • Condition：If this occurred where stopping distance is limited, a crash could occur.
    • Condition：The condition does not set any ABS codes and does not illuminate the ABS warning lamp.
    • Caution：Remove the sensor by pulling it straight out of the bore; do not pry it with a screwdriver or other device, because prying will break the sensor body off in the bore.
    • Confirm：Check the mounting surface on the sensor head for flatness against a metal machinist's scale or other straight edge, in multiple positions/directions (minimum 3).
    • Repair：If the mounting surface on the sensor is warped or bent, the sensor must be replaced.
    • Repair：Thoroughly clean the wheel speed sensor mounting surface on the bearing hub with a wire brush, sandpaper, emery cloth, scotch brite or equivalent to remove any rust or corrosion.
    • Repair：Spray two thin coats of the specified rust penetrating lubricant (corrosion inhibitor) on the complete sensor mounting surface on the bearing hub, letting it dry between coats.
    • Repair：When the corrosion inhibitor is dry to the touch (about 10 minutes), apply a light coating of the specified grease to the complete sensor mounting surface on the bearing hub and to the sensor and O-ring.
    • Repair：Tighten the wheel speed sensor mounting bolt to 18 N·m (13 lb ft).
    • Confirm：With the bearing rotated at about one revolution per second, the reading should be at least 350 ACmV; if it is less than 350 ACmV the wheel speed sensor must be replaced.
    • Repair：Tighten the brake caliper mounting bracket bolts to 175 N·m (129 lb ft) on 1500 Series vehicles and 300 N·m (221 lb ft) on 2500 Series vehicles.
    • Parts：Parts listed: 89022217 Lubricant, Rust Penetrating, and 01051344 Lubricant, Wheel Bearing.
    • Caution：This revision changes some breakpoints and adds vehicles that have moved into the severe corrosion areas; copies of bulletin 05068B, issued April 2006, are to be discarded.
    Cause
    CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES MAY EXPERIENCE UNWANTED ANTILOCK BRAKE SYSTEM (ABS) ACTIVATION. THIS CONDITION IS MORE LIKELY TO OCCUR IN ENVIRONMENTALLY CORROSIVE AREAS. THIS RECALL WILL BE LAUNCHED IN THE "SALT BELT" STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MARYLAND, MASSACHUSETTS, MAINE, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, WISCONSIN AND THE DISTRICT OF COLUMBIA ONLY.
    Remedy
    DEALERS ARE TO REMOVE THE WHEEL SPEED SENSOR AND THOROUGHLY CLEAN THE WHEEL SPEED SENSOR MOUNTING SURFACE ON THE BEARING, APPLY RUST INHIBITOR TO THE CLEANED SURFACE, GREASE THE MOUNTING SURFACE, REINSTALL THE WHEEL SPEED SENSOR, AND CHECK THE PEAK-TO-PEAK OUTPUT VOLTAGE TO ENSURE THE WHEEL SPEED SIGNAL IS WITHIN SPECIFICATIONS. THE RECALL BEGAN SEPTEMBER 22, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 OR GMC AT 1-866-996-9463.
    Consequence
    THIS CAN CAUSE INCREASED STOPPING DISTANCES DURING LOW-SPEED BRAKE APPLICATIONS, WHICH COULD RESULT IN A CRASH.

  2. Owner complaint2001 GMC YUKON ・ 2011-02-01

    Antilock brake problem recurring after earlier recall repair

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Cause
    IN 2005, GM SPOKESMAN ALAN ADLER SAID ROAD GRIME CAN WEDGE ITS WAY INTO A PLASTIC PIECE THAT COVERS THE ABS SENSOR NEAR THE WHEEL HUB, RESULTING IN SALT CORROSION.
    Remedy
    EARLIER RECALL RESULTED IN A 1.5 HOUR TASK TO REMOVE, CLEAN AND RE-INSTALL ABS SENSOR WITH A RUST-PREVENTATIVE APPLIED.
    Consequence
    GM SAID THERE HAVE BEEN 228 CRASHES REPORTED THROUGH THE END OF MAY 2005, INCLUDING 10 MINOR INJURIES.

  3. Owner complaint2002 GMC YUKON ・ 2010-03-23

    ABS activation during slow stops, increased stopping distance

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    ABS ACTIVATES DURING SLOW STOPS, INCREASES STOPPING DISTANCE.
    Cause
    I BELIEVE PROBLEM IS CORROSION IN FRONT WHEEL HUBS ON TONE RING.
    Remedy
    DEALER REPLACED BOTH FRONT SPEED SENSORS AND PROBLEM PERSISTS.

Known issuesHVAC blower motor resistor module / connector overheating1

  1. Recall2003–2006 GMC YUKON ・ 2011-02-21

    HVAC Blower Motor Resistor Module Overheating

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      HVAC blower motor resistor module / connector overheating

      Repair

      1. Dealers install a new blower motor resistor and resistor module connector.
      2. Cut the wires back far enough to remove any melted insulation.

      Caution

      • The connector must be replaced even if it was replaced in an earlier repair.
    Read the sentences of the record
    Cause
    On certain vehicles, the interface between the electrical terminals of the Heating, Ventilation, and Air Conditioning (HVAC) blower relay resistor module and the wiring connector (which powers the module) may be incapable of conducting higher current levels for sustained periods of operation. In addition, moisture and other contaminants (such as road de-icing materials) may enter the fresh air intake plenum and contact the internal circuit of the module or corrode the terminals. These conditions may cause the relay resistor module or wiring connector to overheat, causing various symptoms such as: the HVAC blower may not function on certain or all blower speed settings; a burning-plastic smell or smoke may be present in the vehicle, or; the HVAC blower may run continually with the ignition in the OFF position. These warning signs could, in certain instances, be leading indicators of an impending vehicle fire, which could result in property damage and/or personal injury. Correction: Owners will be provided with additional warranty coverage for the blower motor resistor module/wiring connector overheating condition. Under this "special warranty coverage", should this condition occur within 10 years or 240,000 km from first vehicle registration, dealers will install a replacement blower motor resistor and resistor module connector.

EQUIPMENT4

  1. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2021-04-26

    Aluminum Wheel Refinishing Service Bulletin

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes, gouges, etc. The Dealer must insure that such damage is not deeper than what can be sanded or polished off. The wheel must be inspected for cracks. If cracks are found, discard the wheel. Any wheels with bent rim flanges must not be repaired or refinished. Wheels that have been refinished by an outside company must be returned to the same vehicle. The Dealer must record the wheel ID stamp or the cast date on the wheel in order to assure this requirement. Refer to Refinisher's Responsibility — Outside Company later in this bulletin.

    Read the sentences of the record
    Remedy
    Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes, gouges, etc. The Dealer must insure that such damage is not deeper than what can be sanded or polished off. The wheel must be inspected for cracks. If cracks are found, discard the wheel. Any wheels with bent rim flanges must not be repaired or refinished. Wheels that have been refinished by an outside company must be returned to the same vehicle. The Dealer must record the wheel ID stamp or the cast date on the wheel in order to assure this requirement. Refer to Refinisher's Responsibility — Outside Company later in this bulletin.

  2. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2021-04-26

    Aluminum Wheel Refinishing Guidelines

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes, gouges, etc. The Dealer must insure that such damage is not deeper than what can be sanded or polished off. The wheel must be inspected for cracks. If cracks are found, discard the wheel. Any wheels with bent rim flanges must not be repaired or refinished. Wheels that have been refinished by an outside company must be returned to the same vehicle. The Dealer must record the wheel ID stamp or the cast date on the wheel in order to assure this requirement. Refer to Refinisher's Responsibility — Outside Company later in this bulletin.

    Read the sentences of the record
    Remedy
    Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes, gouges, etc. The Dealer must insure that such damage is not deeper than what can be sanded or polished off. The wheel must be inspected for cracks. If cracks are found, discard the wheel. Any wheels with bent rim flanges must not be repaired or refinished. Wheels that have been refinished by an outside company must be returned to the same vehicle. The Dealer must record the wheel ID stamp or the cast date on the wheel in order to assure this requirement. Refer to Refinisher's Responsibility — Outside Company later in this bulletin.

  3. Manufacturer communication2005–2006 GMC YUKON DENALI ・ 2019-12-16

    Aluminum wheel bead seat cleaning and resurfacing procedure

    1. 1Fault

      • A tire slowly loses air pressure over a period of days or weeks.

    2. 2Finding the cause

      Possible causes

      • Abrasive elements may intrude between the tire and wheel at the bead seat, and the relative motion between tire and wheel lets the particles wear the wheel and tire materials.

      Steps to confirm (in the document’s order)

      1. The corrosion may be on the inboard or outboard bead seating surface and is not visible until the tire is dismounted from the wheel.
      2. After a water dunk tank leak test, if the source of the leak is around the bead seat of the wheel, dismount the tire to examine the bead seat.
      3. Bead seat corrosion looks like blistering of the wheel finish, giving a rough or uneven surface on which the tire has difficulty keeping a proper seal.
      4. For vehicles with 32,186 km (20,000 mi) or less, the total combined linear area of repairable corrosion is 100 mm (4 in) or less; beyond that the wheel should be replaced.
      5. For vehicles that have exceeded 32,186 km (20,000 mi), the total combined linear area of repairable corrosion is 200 mm (8 in) or less.

    3. 3Correction

      Repair

      1. Use a clean-up (fine cut) sanding disc or biscuit to remove the corrosion and any flaking paint, back to material that is stable and firmly bonded to the wheel.
      2. Once the corrosion is eliminated, coat the repaired area with a commercially available tire sealant such as Patch Brand Bead Sealant or equivalent.

      Parts

      • Part number 16118, Patch Bead Sealer (1 Quart (= 0.946 L)).

      Caution

      • Do not replace a wheel for slow air loss unless the wheel has been evaluated and/or repair has been tried with this procedure.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2005-2020 GM passenger cars and light duty trucks.
    • Condition：A tire slowly loses air pressure over a period of days or weeks.
    • Cause：Abrasive elements may intrude between the tire and wheel at the bead seat, and the relative motion between tire and wheel lets the particles wear the wheel and tire materials.
    • Confirm：The corrosion may be on the inboard or outboard bead seating surface and is not visible until the tire is dismounted from the wheel.
    • Caution：Do not replace a wheel for slow air loss unless the wheel has been evaluated and/or repair has been tried with this procedure.
    • Confirm：After a water dunk tank leak test, if the source of the leak is around the bead seat of the wheel, dismount the tire to examine the bead seat.
    • Confirm：Bead seat corrosion looks like blistering of the wheel finish, giving a rough or uneven surface on which the tire has difficulty keeping a proper seal.
    • Confirm：For vehicles with 32,186 km (20,000 mi) or less, the total combined linear area of repairable corrosion is 100 mm (4 in) or less; beyond that the wheel should be replaced.
    • Confirm：For vehicles that have exceeded 32,186 km (20,000 mi), the total combined linear area of repairable corrosion is 200 mm (8 in) or less.
    • Repair：Use a clean-up (fine cut) sanding disc or biscuit to remove the corrosion and any flaking paint, back to material that is stable and firmly bonded to the wheel.
    • Repair：Once the corrosion is eliminated, coat the repaired area with a commercially available tire sealant such as Patch Brand Bead Sealant or equivalent.
    • Parts：Part number 16118, Patch Bead Sealer (1 Quart (= 0.946 L)).

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.

  4. Manufacturer communication2003–2006 GMC YUKON DENALI ・ 2018-06-04

    Informational Bulletin Revision for 2010-2013 Model Years

    1. 1Fault

      • For hem flange corrosion, Kent Moore tool J-46162 makes it easier to open the hem flange.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Repair

      1. Fit the tool from kit J-46162 into an air impact gun and open the hem flange starting at one end.
      2. Clean out the corrosion by sand blasting or with a 3M Strip Disc, P/N 07460.
      3. Apply anticorrosion primer to the hem flange, then a bead of LORD FUSOR adhesive, P/N 108B or 109B.
      4. Close the hem flange with the tool in the kit and clean off the excess adhesive from the repair area.
      5. Finally prime and refinish the area as required.

      Caution

      • If perforation is present, replace the affected panel.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：2013 and prior GM passenger cars and trucks.
    • Condition：For hem flange corrosion, Kent Moore tool J-46162 makes it easier to open the hem flange.
    • Repair：Fit the tool from kit J-46162 into an air impact gun and open the hem flange starting at one end.
    • Repair：Clean out the corrosion by sand blasting or with a 3M Strip Disc, P/N 07460.
    • Caution：If perforation is present, replace the affected panel.
    • Repair：Apply anticorrosion primer to the hem flange, then a bead of LORD FUSOR adhesive, P/N 108B or 109B.
    • Repair：Close the hem flange with the tool in the kit and clean off the excess adhesive from the repair area.
    • Repair：Finally prime and refinish the area as required.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This informational bulletin provides a revision for 02-08-98-002C to add the 2010-2013 model years and revise the Approved Refinish Materials booklet information.

EQUIPMENT ADAPTIVE/MOBILITY2

  1. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2021-04-26

    Underbody Component Corrosion Guidance

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy.

    Read the sentences of the record
    Remedy
    Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy.

  2. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2021-04-26

    Underbody Component Corrosion Information

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy.

    Read the sentences of the record
    Remedy
    Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy.

SERVICE BRAKES, HYDRAULIC2

  1. Owner complaint2001 GMC YUKON ・ 2008-04-18

    Brake system malfunction caused rear-end collision

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

    Read the sentences of the record
    Cause
    THE RECALL WAS ABOUT A BRAKE SENSOR THAT COULD CORRODE OVER A PERIOD OF TIME. *JB
    Consequence
    NO ONE WAS INJURED IN THIS INCIDENT.

  2. Owner complaint2002 GMC YUKON ・ 2005-09-29

    Brake delay while driving 45 MPH on June 7, 2005

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    DT: ON JUNE 7, 2005 WHILE DRIVING 45 MPH (= 72.4 km/h) THE CONSUMER WAS FOLLOWING ANOTHER CAR. (1 more)
    Remedy
    THE REAR BRAKES AND DRUMS WERE REPLACED. (1 more)
    Inspection
    THE BRAKES WERE INSPECTED BY A MECHANIC. (1 more)
    Consequence
    THIS ALMOST CAUSED THE CONSUMER'S VEHICLE TO HIT THE OTHER CAR IN THE REAR END.

ELECTRICAL SYSTEM1

  1. Manufacturer communication2002–2006 GMC YUKON DENALI ・ 2019-07-29(2 earlier editions of this document folded here)

    Electrical Ground Repair with Conductive Fasteners

    1. 1Fault

      • Loose, stripped or corroded ground connections increase the possibility of improper system function and loss of module communication, and may lead to unnecessary repairs and component replacement.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Repair

      1. M6 weld stud: select a location next to the damaged or missing M6 ground stud with 20 mm (0.79 in) clearance behind the panel and 20 mm (0.79 in) clearance around the M6 conductive rivet stud flange.
      2. Drill a 10 mm (0.40 in) diameter hole through the panel.
      3. Remove paint and primer from the area around the 10 mm (0.40 in) hole until bare metal is visible.
      4. With a small brush apply Dielectric Lubricant GM P/N 12377900 (Canadian P/N 10953529) to the threads of the M6 conductive rivet stud.
      5. Install the M6 conductive nut on the rivet stud and tighten to 71 lb in (= 8.02 N·m).

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

      3 more points

      Parts

      • Approved fasteners: 11561645 M6 nut, 11570340 M6 rivet stud, 11588564 M8 bolt, 11609412 M8 nut, 11609538 M7 bolt (self-threading), 11609669 M6 bolt.

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

      Caution

      • Use only the GM-approved replacement fasteners with conductive finish for electrical ground repair.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2020 and prior GM passenger cars and trucks, including Medium Duty and Heavy Duty.
    • Condition：Loose, stripped or corroded ground connections increase the possibility of improper system function and loss of module communication, and may lead to unnecessary repairs and component replacement.
    • Caution：Use only the GM-approved replacement fasteners with conductive finish for electrical ground repair.
    • Repair：M6 weld stud: select a location next to the damaged or missing M6 ground stud with 20 mm (0.79 in) clearance behind the panel and 20 mm (0.79 in) clearance around the M6 conductive rivet stud flange.
    • Repair：Drill a 10 mm (0.40 in) diameter hole through the panel.
    • Repair：Remove paint and primer from the area around the 10 mm (0.40 in) hole until bare metal is visible.
    • Repair：With a small brush apply Dielectric Lubricant GM P/N 12377900 (Canadian P/N 10953529) to the threads of the M6 conductive rivet stud.
    • Repair：Install the M6 conductive nut on the rivet stud and tighten to 71 lb in (= 8.02 N·m).
    • Repair：If the M6 weld nut at the ground location is damaged or stripped, a M7 conductive self-threading bolt may be used to secure the ground wire terminal.
    • Repair：Install the M7 conductive self-threading bolt and tighten to 80 lb in (= 9.04 N·m).
    • Repair：Install the M8 conductive nut on the bolt and tighten to 16 lb ft (= 21.7 N·m).
    • Parts：Approved fasteners: 11561645 M6 nut, 11570340 M6 rivet stud, 11588564 M8 bolt, 11609412 M8 nut, 11609538 M7 bolt (self-threading), 11609669 M6 bolt.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

SERVICE BRAKES1

  1. Owner complaint2003 GMC YUKON ・ 2015-10-14

    ABS activation and acceleration hesitation occurring every drive

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    IT OCCURS EVERY TIME I DRIVE MY CAR, EVERY TIME I ACCELERATE AND BRAKE. (2 more)
    Cause
    APPARENTLY, THIS IS CAUSED BY A CORRODED MOUNTING SURFACE FOR THE FRONT WHEEL SPEED SENSORS. (2 more)
    Consequence
    HAZARD:THIS CAN CAUSE INCREASED STOPPING DISTANCES DURING LOW-SPEED BRAKE APPLICATIONS, WHICH COULD RESULT IN A CRASH.

STRUCTURE1

  1. Owner complaint2004 GMC YUKON ・ 2019-12-05

    Subframe rusted and corroded at routine maintenance

    1. 1Fault

    2. 2Finding the cause

    3. 3CorrectionNot repaired

      THE VEHICLE WAS NOT REPAIRED.

    Read the sentences of the record
    Remedy
    THE VEHICLE WAS NOT REPAIRED.
    Inspection
    WHILE THE VEHICLE WAS UNDERGOING ROUTINE MAINTENANCE, IT WAS DISCOVERED THAT THE ENTIRE SUBFRAME OF THE VEHICLE WAS RUSTED AND CORRODED.

WHEELS1

  1. Manufacturer communication2005–2006 GMC YUKON DENALI ・ 2018-06-04

    Chromed Aluminum Wheels—Chemical Staining and Corrosion

    1. 1Fault

    2. 2Finding the cause

      Possible causes

      • Chemical staining mostly results from acid based cleaners; the stains are frequently milky, black or greenish.
      • A second type of staining comes from road chemicals such as calcium chloride used for dust control on unpaved roads; it looks like small pitting.
      • A third type comes from prolonged exposure to brake dust, which penetrates the chrome.

    3. 3Correction

      Repair

      1. After cleaning, wax the wheel with ACDelco Cleaner Wax, P/N 88865218 (in Canada, 2675208), to protect it from brake dust.
      2. For milky stains from acidic cleaners, apply 3M Chrome and Metal Polish #39527 with a clean terry cloth towel; the staining diminishes as it is applied.

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

      Caution

      • Do not use cleaning solutions containing hydrofluoric, oxalic and most other acids on chrome wheels (or any wheels).
      • Any wheel cleaner must be thoroughly rinsed off the wheel with clean, clear water.
      • The wheels must be cleaned before the polish is applied, to avoid scratching the wheel surface.
      • The polish reduces the thickness of the chrome plating and, used incorrectly or excessively, may remove it altogether.
      • On wheels spotted by road chemicals the procedure may improve the condition marginally but will not restore the finish or remove the pitting.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：2015 and prior GM passenger cars and trucks.
    • Cause：Chemical staining mostly results from acid based cleaners; the stains are frequently milky, black or greenish.
    • Caution：Do not use cleaning solutions containing hydrofluoric, oxalic and most other acids on chrome wheels (or any wheels).
    • Caution：Any wheel cleaner must be thoroughly rinsed off the wheel with clean, clear water.
    • Cause：A second type of staining comes from road chemicals such as calcium chloride used for dust control on unpaved roads; it looks like small pitting.
    • Cause：A third type comes from prolonged exposure to brake dust, which penetrates the chrome.
    • Repair：After cleaning, wax the wheel with ACDelco Cleaner Wax, P/N 88865218 (in Canada, 2675208), to protect it from brake dust.
    • Repair：For milky stains from acidic cleaners, apply 3M Chrome and Metal Polish #39527 with a clean terry cloth towel; the staining diminishes as it is applied.
    • Caution：The wheels must be cleaned before the polish is applied, to avoid scratching the wheel surface.
    • Caution：The polish reduces the thickness of the chrome plating and, used incorrectly or excessively, may remove it altogether.
    • Caution：On wheels spotted by road chemicals the procedure may improve the condition marginally but will not restore the finish or remove the pitting.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This informational bulletin provides information on chemical staining, pitting, corrosion and/or spotted appearance of chromed aluminum wheels, along with warranty information regarding these conditions.

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13 owner complaints have no classified sentences yet, so their causes and repairs are not picked out. Their text is in the list of records.