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GMC Yukon 2000–2006

GMC YukonModel years 2000–2006

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A record is under an engine, a drive or a series only where it says so: the characters of the vehicle identification number filed with a complaint, its text, or what its document says it applies to. A record that does not say is kept as "not stated". The filed numbers and the documents do not tell 4WD from AWD.

Common on this vehicle:LeakNoiseSmoke or fire

causeCylinder HeadRemove

Record by record

8 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 came back2
  • result not stated1

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 (8)

Known issuesCastech cylinder head porosity crack (gradual coolant loss)4

  1. Owner complaint2004 GMC YUKON ・ 2013-09-03

    Slug buildup, oil pressure loss, and coolant loss

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    MY CAR BEGAN TO HAVE A BUILD UP OF SLUGS AND BEGAN LOOSING OIL PRESSURE AND COOLANT AND NEEDED OIL ADDED AND COOLANT FREQUENTLY.
    Cause
    I WAS ADVISED TO CHANGE THE OIL FREQUENTLY TO CLEAN THE SLUG OUT BUT IT CONTINUED TO BUILD UP AND THE MYSTERY OF LOOSING COOLANT OIL PRESSURE HAS BOTTOMED OUT TWO MORE TIMES AND I FOUND A ARTICLE ON THE INTERNET THAT A NUMBER OF GMC VEHICLES INCLUDING MINE WERE BUILT WITH DEFECTIVE CYLINDER HEADS DUE TO CRACKS OVER TIME WHICH ALLOWS COOLANT TO LEAK INTO ENGINE AND MIX WITH THE OIL WHICH BUILDS UP SLUG.
    Remedy
    THE SLUGS WERE CLEANED AND A NEW OIL PUMP WAS PLACED BECAUSE OF THE BUILD UP OF SLUGS.

  2. Owner complaint2004 GMC YUKON ・ 2016-07-18

    Engine losing coolant with no apparent external leakage

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Castech cylinder head porosity crack (gradual coolant loss)

      Confirm

      • Inspect the cylinder head to determine whether the casting was made by Castech.

      Repair

      • If coolant witness marks are found, replace the entire cylinder head assembly.

      Caution

      • If the heads are not Castech castings, follow normal diagnostic procedures to find the cause of the coolant loss.
    Read the sentences of the record
    Fault
    ENGINE LOSING COOLANT, WITH NO APPARENT SIGNS OF LEAKAGE.
    Cause
    COOLANT APPEARS TO BE LEAKING INTO THE ENGINE OIL, CAUSING IT TO SLUDGE, THEREBY CAUSING ENGINE FAILURE.

  3. Owner complaint2004 GMC YUKON ・ 2015-01-03

    Coolant drain into engine block from faulty cylinder head

    1. 1Fault

      Not stated

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Castech cylinder head porosity crack (gradual coolant loss)

      Confirm

      • Inspect the cylinder head to determine whether the casting was made by Castech.

      Repair

      • If coolant witness marks are found, replace the entire cylinder head assembly.

      Caution

      • If the heads are not Castech castings, follow normal diagnostic procedures to find the cause of the coolant loss.
    Read the sentences of the record
    Cause
    FAULTY CASTECH HEAD CAUSED COOLANT FLUID TO DRAIN INTO BLOCK THEREFORE DESTROYING MOTOR.

  4. Owner complaint2006 GMC YUKON ・ 2013-09-13

    5.3L GM engine camshaft delamination and engine replacement

    1. 1Fault

      28 AUGUST MY WIFE TOLD ME THE ENGINE WAS NOISY.

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    28 AUGUST MY WIFE TOLD ME THE ENGINE WAS NOISY.
    Cause
    IN DECEMBER 2010 THE CAMSHAFT IN THE 5.3L GM ENGINE REPORTEDLY DELAMINATED CAUSING ONE OR MORE LIFTERS TO GALL AND FAIL REQUIRING A NEW ENGINE.
    Inspection
    ON 30 AUGUST THEY CONCLUDED THAT THE ENGINE NEEDED TO BE REPLACED.

ENGINE2

  1. Owner complaint2000 GMC YUKON ・ 2014-07-08

    Cylinder head cracking and coolant leak causing engine failure

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    THE CAR HAS BEEN LEAKING COOLANT FOR OVER A YEAR AND CAUSED MAJOR ENGINE FAILURE.
    Cause
    VEHICLE WAS SHIPPED WITH HEADS THAT WOULD CRACK OVER TIME.

  2. Owner complaint2005 GMC YUKON ・ 2014-03-14

    White smoke from tail pipe, fractured cylinder head

    1. 1Fault

    2. 2Finding the cause

    3. 3CorrectionNot repaired

      THE VEHICLE WAS NOT REPAIRED.

    Read the sentences of the record
    Fault
    THE CONTACT STATED THAT WHITE SMOKE EMITTED FROM THE TAIL PIPE.
    Remedy
    THE VEHICLE WAS NOT REPAIRED.
    Inspection
    THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHERE IT WAS FOUND THAT ONE OF THE CYLINDER HEADS HAD FRACTURED.

ENGINE AND ENGINE COOLING1

  1. Owner complaint2003 GMC YUKON ・ 2006-10-15

    Engine ticking on startup lasting 5 minutes, longer on cold starts

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    ENGINE TICKING ON STARTUP, LASTS FOR 5 MINUTES CURRENTLY - LONGER ON COLD STARTS OR AFTER LETTING THE CAR SIT OVERNIGHT.
    Cause
    THIS PISTON "SLAP" NOISE DESCRIBED APPEARS TO BE MANUFACTURER DEFECT IN 5.3 LITER ENGINE WHERE SHIPMENT OF ENGINES WITH CYLINDER HEADS THAT ARE OVERSIZED OR PISTONS SHIPPING AS UNDERSIZED IS CAUSING WARPING ON PISTON HEAD, HENCE THE REASON WHY THE NOISE PROGRESSIVLY GETS LOUDER AND LONGER LASTING AS TIME PROGRESSES.

POWER TRAIN1

  1. Owner complaint2004 GMC YUKON ・ 2013-08-05

    Transmission fluid loss with no visible leaks; cylinder head failure found at dealer

    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
    THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS FOUND THAT THE CYLINDER HEADS HAD FAILED.