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GMC Yukon 2000–2006

GMC YukonModel years 2000–2006

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1 conditions added

Common on this vehicle:LeakNoise

causeEngineRemove

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1 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

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 (1)

Known issuesCastech cylinder head porosity crack (gradual coolant loss)1

  1. 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.