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GMC Yukon XL 2000–2006

GMC Yukon XLModel years 2000–2006

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Common on this vehicle:LeakSmoke or fire

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2 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

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 (2)

Known issuesEngine fuel rail pulse damper retainer clip may fracture (8.1L V8) - recall 06V-289 / Transport Canada 20061951

  1. Recall2004–2006 GMC YUKON XL ・ 2006-03-08

    Fuel Rail Pulse Damper Retainer Clip Fracture Recall

    1. 1Fault

      • The engine fuel rail pulse damper retainer clip may fracture, resulting in inadequate retention of the damper; if the damper comes loose, a fuel leak may result and may cause a fire if an ignition source is present.

    2. 2Finding the cause

      Possible causes

      • Analysis showed some clips were not properly heat treated and were more susceptible to fracture.

      Steps to confirm (in the document’s order)

      • To inspect for leaks, turn the ignition ON with the engine OFF for 2 seconds, turn it OFF for 10 seconds, turn it ON with the engine OFF, and inspect the fuel rail, fuel rail dampener, and fuel rail pressure cap and valve for fuel leaks.

    3. 3Correction

      Repair

      1. Dealers are to replace the engine fuel rail pulse damper retainer clip.
      2. Connect the J 34730-1A fuel pressure gage to the fuel pressure valve, wrapping a shop towel around the fitting while connecting it to avoid spillage.
      3. Open the valve on the J 34730-1A to bleed the system pressure; to help relieve residual pressure in the fuel rail, push down on the fuel rail dampener, which should move inward approximately 2-3 mm (1/8 in) as the pressure releases.
      4. Push down on the fuel dampener and remove the fuel pressure dampener clip; discard the old clip.
      5. Push down on the fuel dampener and install the new fuel pressure dampener clip.
      1 more points

      Parts

      • Part: 12575017 Clamp-Fuel Pulse Dpnr, quantity 1 per vehicle.

      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

      • The service procedure in this recall is different from the service procedure in the service manual.
      • If the fuel pressure is not relieved as instructed in step 8, or the dampener is not held in position while the clip is replaced, the dampener O-ring may not seat or seal properly, and a damaged or improperly seated O-ring may result in a fuel leak.
      • Do not remove the fuel dampener from the fuel rail; if it is removed, a fuel dampener kit with a new O-ring must be installed.
      • The bulletin was revised to add new information to the service procedure: warning statements were added along with some other minor changes.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to certain 2004-06 Chevrolet Silverado, Suburban, Avalanche; GMC Sierra, Yukon XL; and 2006 Chevrolet Kodiak and GMC TopKick equipped with an 8.1L V8 (RPO L18 - VIN G) engine.
    • Applies to：The defect notice lists GMC Yukon XL (GMT800): 2004 model year manufactured 03/2003 to 06/2004 (967 vehicles), 2005 manufactured 06/2004 to 06/2005 (658), and 2006 manufactured 07/2005 to 01/2006 (152).
    • Condition：The engine fuel rail pulse damper retainer clip may fracture, resulting in inadequate retention of the damper; if the damper comes loose, a fuel leak may result and may cause a fire if an ignition source is present.
    • Cause：Analysis showed some clips were not properly heat treated and were more susceptible to fracture.
    • Repair：Dealers are to replace the engine fuel rail pulse damper retainer clip.
    • Parts：Part: 12575017 Clamp-Fuel Pulse Dpnr, quantity 1 per vehicle.
    • Caution：The service procedure in this recall is different from the service procedure in the service manual.
    • Repair：Connect the J 34730-1A fuel pressure gage to the fuel pressure valve, wrapping a shop towel around the fitting while connecting it to avoid spillage.
    • Repair：Open the valve on the J 34730-1A to bleed the system pressure; to help relieve residual pressure in the fuel rail, push down on the fuel rail dampener, which should move inward approximately 2-3 mm (1/8 in) as the pressure releases.
    • Caution：If the fuel pressure is not relieved as instructed in step 8, or the dampener is not held in position while the clip is replaced, the dampener O-ring may not seat or seal properly, and a damaged or improperly seated O-ring may result in a fuel leak.
    • Caution：Do not remove the fuel dampener from the fuel rail; if it is removed, a fuel dampener kit with a new O-ring must be installed.
    • Repair：Push down on the fuel dampener and remove the fuel pressure dampener clip; discard the old clip.
    • Repair：Push down on the fuel dampener and install the new fuel pressure dampener clip.
    • Confirm：To inspect for leaks, turn the ignition ON with the engine OFF for 2 seconds, turn it OFF for 10 seconds, turn it ON with the engine OFF, and inspect the fuel rail, fuel rail dampener, and fuel rail pressure cap and valve for fuel leaks.
    • Repair：If a leak is present, a dampener kit with a new O-ring must be installed.
    • Caution：The bulletin was revised to add new information to the service procedure: warning statements were added along with some other minor changes.
    Cause
    ON CERTAIN TRUCKS EQUIPPED WITH AN 8.1L V8 (RPO L8-VIN G) ENGINE HAVE A CONDITION IN WHICH THE ENGINE FUEL RAIL PULSE DAMPER RETAINER CLIP MAY FRACTURE RESULTING IN INADEQUATE RETENTION OF THE DAMPER.
    Remedy
    DEALERS WILL REPLACE THE ENGINE FUEL RAIL PULSE DAMPER RETAINER CLIP FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 31, 2006. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 AND GMC TRUCKS AT 1-866-996-9463.
    Consequence
    IF THE DAMPER COMES LOOSE, A FUEL LEAK MAY RESULT. FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.

ENGINE AND ENGINE COOLING1

  1. Manufacturer communication2001 GMC YUKON XL ・ 2004-08-24

    Position 2 O2 Sensor Information

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

      2001 8.1 L18 FEDERAL EMISSION POSITION 2 O2 SENSOR INFORMATION. *MJ

    Read the sentences of the record
    Remedy
    2001 8.1 L18 FEDERAL EMISSION POSITION 2 O2 SENSOR INFORMATION. *MJ