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GMC Yukon 2000–2006

GMC YukonModel years 2000–2006

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Common on this vehicle:Corrosion or rustReduced brakingLeakParking brakeWarning lightABS activates (at low speed and the like)Lights (headlights, turn signals)

causeBrake LineRemove

Record by record

168 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 fixed4
  • says it came back1
  • says it did not fix it3
  • result not stated48

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 (36)

Known issuesBrake pipe (brake line) corrosion and rupture33

  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 complaint2004 GMC YUKON ・ 2014-07-08

    Right rear brake line burst while braking downhill

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    UPON APPLYING BRAKES, WHILE DRIVING DOWNHILL, THE RIGHT REAR STEEL BRAKE LINE BURST RESULTING IN SIGNIFICANT LOSS OF BRAKING POWER.
    Cause
    I WAS TOLD THAT THE STEEL LINES ARE RUSTING OUT AS A RESULT OF THE DE-ICING CHEMICALS BEING USED ON THE ROADS DURING THE WINTER.
    Remedy
    THE VEHICLE WAS TOWED TO A LOCAL GMC DEALERSHIP WHERE THEY REPLACED ALL THE STEEL LINES WITH COPPER/NICKEL LINES AT A COST OF $1,606.00.
    Consequence
    FORTUNATELY,Y I HAD SIGNIFICANT DISTANCE BETWEEN ME AND THE NEXT CAR THAT I COULD AVOID AN ACCIDENT.

  3. 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.

  4. Owner complaint2002 GMC YUKON ・ 2017-02-07

    Brake pedal went to floor and brake line failure during braking in traffic

    1. 1Fault

      AFTER MOVING OUR VEHICLES FROM THE ROAD, I DISCOVERED BRAKE FLUID DRIPPING FROM UNDER MY ENGINE. (1 more)

    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
    AFTER MOVING OUR VEHICLES FROM THE ROAD, I DISCOVERED BRAKE FLUID DRIPPING FROM UNDER MY ENGINE. (1 more)
    Cause
    I SEEMS AS THOUGH THE BRAKE LINE JUST FAILED.
    Inspection
    I INSPECTED THE BRAKE FLUID RESERVOIR AND THE MASTER CYLINDER... (1 more)
    Consequence
    I WAS TRAVELING APPROX 5-10 MPH (= 8.05–16.1 km/h) WHEN I HIT THE VEHICLE IN FRONT OF ME.

  5. 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.

  6. 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.

  7. 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)

  8. 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.

  9. 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.

  10. 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.

  11. 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

  12. 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)

  13. 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.

  14. 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.

  15. 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.

  16. 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.

  17. 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.

  18. Owner complaint2001 GMC YUKON ・ 2008-09-02

    Brake lines rupture reported twice in eight months

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    WHILE DRIVING HOME FROM WORK, THE BRAKE LIGHT ON THE DASH ILLUMINATED, THE BREAKS FELT A LITTLE SOFT UPON BRAKING. (1 more)
    Remedy
    ALL LINES WERE FABRICATED AND REPLACED.
    Inspection
    TOOK IT IN TO THE SHOP FOR EVALUATION AND WAS TOLD THAT THE BRAKE LINES FROM THE ABS TO THE REAR BREAKS HAD RUPTURED. (1 more)
    Outcome
    I HAVE HAD NO ADDITIONAL PROBLEMS SINCE THE REPAIR. *TR

  19. Owner complaint2001 GMC YUKON ・ 2020-03-12

    Brake pedal sinks to floorboard at stop light, brake warning lights illuminate

    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 PULLING UP TO A STOP LIGHT, THE BRAKE PEDAL WAS DEPRESSED AND WENT TO THE FLOORBOARD EXTENDING THE BRAKING DISTANCE. (1 more)
    Inspection
    THE CONTACT WAS INFORMED THAT THE BRAKE LINE DISINTEGRATED AND NEEDED TO BE REPLACED.
    Outcome
    THE VEHICLE WAS REPAIRED.

  20. Owner complaint2004 GMC YUKON ・ 2019-10-21

    Brake line failed without warning while driving at moderate speed

    1. 1Fault

      WHILE DRIVING AT A MODERATE RATE OF SPEED, THE BRAKE LINE FAILED WITHOUT WARNING.

    2. 2Finding the cause

    3. 3CorrectionNot repaired

      THE VEHICLE HAD NOT BEEN REPAIRED.

      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 DRIVING AT A MODERATE RATE OF SPEED, THE BRAKE LINE FAILED WITHOUT WARNING.
    Remedy
    THE VEHICLE HAD NOT BEEN REPAIRED.
    Inspection
    THE CONTACT HAD THE VEHICLE TOWED TO AN INDEPENDENT MECHANIC WHO DETERMINED THAT A BRAKE LINE HAD BURST AND THAT ANOTHER BRAKE LINE WAS ON THE VERGE OF BURSTING.

  21. 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.

  22. 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)

  23. 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.

  24. Owner complaint2003 GMC YUKON DENALI ・ 2017-07-28

    Brake lines rusted, catastrophic 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
    Fault
    MY VEHICLE WAS IN MOTION AND WHEN I DEPRESSED THE BRAKE PEDAL THE PEDAL WENT COMPLETELY TO THE FLOORBOARD.
    Inspection
    MY MASTER CYLINDER WAS COMPLETELY EMPTY OF BRAKE FLUID WHEN EXAMINED.
    Consequence
    I WAS DRIVING STRAIGHT AHEAD IN MODERATE CITY TRAFFIC & NARROWLY MISSED STRIKING THE VEHICLE IN FRONT OF ME ON A CITY STREET.

  25. Owner complaint2003 GMC YUKON ・ 2017-01-12

    Brake lines rusted out, unexpected brake loss during rain storm

    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 LOST MY BRAKE UN-EXPECTANTLY DURING A RAIN STORM IN COHASSET, MA ON 1/10/2017.
    Consequence
    LUCKILY I WAS ON A SIDE ROAD COMING TO A STOP SIGN AND NO ACCIDENT OCCURRED NOR WERE MY 3 KIDS IN THE VEHICLE.

  26. Owner complaint2003 GMC YUKON ・ 2016-10-17

    Brake pedal to floor and brake fluid leak, brake lines fractured

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    WITHOUT WARNING, THE BRAKE PEDAL TRAVELED TO THE FLOORBOARD AND BRAKE FLUID WAS LEAKING.
    Remedy
    THE MECHANIC REPLACED THE FRONT BRAKE LINES AND INDICATED THAT THERE WAS EXTENSIVE RUST AND CORROSION.

  27. Owner complaint2004 GMC YUKON ・ 2016-09-06

    Brake system disable warning and brake failure from park

    1. 1Fault

    2. 2Finding the cause

    3. 3CorrectionNot repaired

      THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED.

      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 MOVING FROM THE PARK POSITION, THE BRAKE SYSTEM DISABLE WARNING INDICATOR ILLUMINATED. (3 more)
    Remedy
    THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED.

  28. Owner complaint2003 GMC YUKON ・ 2016-08-23

    Total brake failure when braking at intersection; ABS light on

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    WHILE APPROACHING AN INTERSECTION I APPLIED THE BRAKES THE PEDAL WENT TO THE FLOOR ABS LIGHT CAME ON AND THE WAS TOTAL BRAKE FAILURE.
    Remedy
    IN ORDER TO IMPROVE VEHICLE SAFETY THE LINES WILL ALL BE REPLACED WITH STAINLESS STEEL SO THIS DOESN'T HAPPEN AGAIN.
    Inspection
    THEY FOUND RUSTED BRAKE LINES AT THE ABS VALVE ALONG WITH A RUSTED BACKING PLATE FOR THE VALVE.

  29. Owner complaint2002 GMC YUKON ・ 2016-06-09

    Brake pedal travel to floor while towing at 50 mph

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 50 MPH (= 80.5 km/h) AND TOWING A BOAT, THE BRAKE PEDAL WAS DEPRESSED AND TRAVELED TO THE FLOORBOARD.
    Remedy
    THE BRAKE LINES WERE REPLACED AND THE FAILURE WAS REMEDIED.
    Inspection
    THE VEHICLE WAS TAKEN TO THE DEALER WHO DIAGNOSED THAT THE FAILURE WAS CAUSED BY RUSTED BRAKE LINES.

  30. Owner complaint2003 GMC YUKON ・ 2016-02-02

    Lost all braking; brake lines corroded with holes

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    GOING DOWN HILL, APPLIED BRAKES AND THE PEDAL WENT ALL THE WAY TO THE FLOOR.
    Remedy
    I HAD TO REPLACE ALL THE METAL LINES ON THE VEHICLE.

  31. Owner complaint2003 GMC YUKON ・ 2015-12-28

    Brake line failure on Christmas Day at 60 MPH

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    BRAKE LINE FAILURE - ST. LOUIS MO. (1 more)
    Consequence
    NARROWLY ESCAPED ACCIDENT/COLLISION.

  32. Owner complaint2004 GMC YUKON ・ 2015-08-23

    Brake lines rusted, brake fluid leak while driving

    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
    DRIVING TO MY HOUSE , PUSH ON BRAKE PEDAL IT WENT TO THE FLOOR LOOK UNDER VEHICLE AND THERE WAS A POOL OF BRAKE FLUID UNDER THE VEHICLE.
    Cause
    BRAKE LINES RUSTED IN TO CAUSING THE LINES TO WEAKEN.

  33. Owner complaint2005 GMC YUKON ・ 2015-08-05

    Brake pedal went to floor abnormally

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    THE CONTACT STATED THAT THE BRAKE PEDAL WENT TO THE FLOOR BOARD ABNORMALLY.
    Remedy
    THE BRAKE LINES WERE REPLACED.
    Inspection
    THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE BRAKE LINES WERE RUSTED AS WELL AS CORRODED PREMATURELY CAUSING THEM TO FRACTURE.

Known issuesFront right-hand brake pipe contact with body cross sill - recall 00V-3451

  1. Recall2000 GMC YUKON ・ —

    Front Right Brake Pipe Clearance Recall

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Cause
    VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND SPORT UTILITY VEHICLES. SOME OF THESE VEHICLES HAVE A CLEARANCE CONDITION BETWEEN THE FRONT RIGHT-HAND BRAKE PIPE AND THE BODY CROSS SILL THAT COULD DECREASE TO THE POINT OF ALLOWING CONTACT DURING THE LIFE OF THE VEHICLE. IF CONTACT OCCURS AND THE BRAKE PIPE BECOMES DAMAGED, IN HALF OF THE BRAKE SYSTEM THERE CAN BE A LOSS OF BRAKE FLUID AND PRESSURE. THE BRAKE WARNING LAMP WILL BE ACTIVATED WHEN THE BRAKE FLUID LEVEL REACHES THE INDICATOR LIMIT.
    Remedy
    DEALERS WILL INSPECT THE FRONT RIGHT-HAND BRAKE PIPE FOR WEAR. IF THERE ARE SIGNS OF WEAR, THIS SECTION OF THE BRAKE PIPE WILL BE REPLACED WITH A NEW DESIGNED BRAKE PIPE SECTION. IF THERE ARE NOT SIGNS OF WEAR ON THE BRAKE PIPE, THE DEALER WILL INSTALL A SPACER CLIP TO ENSURE SUFFICIENT CLEARANCE BETWEEN THE BRAKE PIPE AND THE BODY CROSS SILL.
    Consequence
    DURING BRAKING, THE PEDAL WILL BE LOWER THAN NORMAL AND STOPPING DISTANCES WILL BE LONGER. IF THIS OCCURS WHEN STOPPING DISTANCE IS LIMITED, A CRASH COULD OCCUR.

BRAKES1

  1. Recall2000 GMC YUKON ・ 2000-11-17

    Brake pipe wear contact recall

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

    Read the sentences of the record
    Cause
    On certain vehicles, the body cross sill may contact the front, right-hand brake pipe. This could eventually wear a hole in the brake pipe over the normal life of the vehicle and result in a brake fluid leak. This could ultimately result in a partial brake system failure and increased stopping distances. Correction: Dealers will inspect for brake pipe wear and replace worn section if necessary. A spacer clip will be installed to ensure adequate clearance.

SERVICE BRAKES1

  1. Owner complaint2003 GMC YUKON ・ 2016-08-14

    Total brake failure while stationary in driveway

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    TOTAL BRAKE FAILURE WHILE STATIONARY AND ENGAGING DRIVE MODE IN DRIVEWAY. (1 more)
    Cause
    SUSPECT BRAKE LINE CORROSION.
    Inspection
    RECENT TIRE/BRAKE/ALIGNMENT INSPECTION REVEALED NO ISSUES.

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