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GMC Yukon XL 2000–2006

GMC Yukon XLModel years 2000–2006

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The vehicle (where a record says)

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:LeakStalls or shuts offWarning lightGauge or instrument faultSmoke or fireDoes not startMisfire or rough idleLoss of engine power, no acceleration

Record by record

24 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

  • result not stated8

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 (22)

Known issuesMid-frame cross member tear could puncture fuel tank in angled frontal impact - recall 03V-0193

  1. Recall2003 GMC YUKON XL ・ —

    Fuel Tank Shield Installation Recall

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Cause
    ON CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES, VEHICLES, DURING A 30 DEGREE LEFT ANGLE FRONTAL IMPACT OF SUFFICIENT SEVERITY, A TEAR COULD DEVELOP IN THE MID-FRAME CROSS MEMBER AT ITS ATTACHMENT TO THE LEFT FRAME RAIL. IF THE MID-FRAME CROSS MEMBER TEARS DURING FRONTAL IMPACT AND PRODUCES A SHARP EDGE, CONTACT OF THE SHARP EDGE WITH THE FUEL TANK COULD RESULT IN A PUNCTURE OF THE FUEL TANK AND POSSIBLE FUEL LEAKAGE.
    Remedy
    DEALERS WILL INSTALL A FUEL TANK SHIELD. OWNER NOTIFICATION BEGAN FEBRUARY 20, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-222-1020 OR GMC AT 1-800-462-8782.
    Consequence
    FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.

  2. Recall2003 GMC YUKON XL ・ 2003-01-28

    2500 Series Mid-Frame Cross Member Fuel Tank Puncture Recall

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Mid-frame cross member tear could puncture fuel tank in angled frontal impact - recall 03V-019

      Repair

      • Dealers install a fuel tank shield.
    Read the sentences of the record
    Cause
    On certain 2500 series vehicles, a tear could develop in the mid-frame cross member at its attachment to the left frame rail during a 30 degree left angle frontal impact of sufficient severity. If the mid-frame cross member tears during frontal impact and produces a sharp edge, contact of the sharp edge with the fuel tank may result in a puncture of the fuel tank and possible fuel leakage. If a sufficient amount of fuel were to leak out and if an ignition source were present, a vehicle fire could occur. Correction: Dealer will install a fuel tank shield.

  3. Manufacturer communication2003 GMC YUKON XL ・ 2003-09-05

    Fuel tank shield installation for frontal impact protection

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Remedy
    DURING A 30 DEGREE LEFT ANGLE FRONTAL IMPACT OF SUFFICIENT SEVERITY, A TEAR COULD DEVELOP IN THE MID FRAME CROSS MEMBER AT ITS ATTACHMENT TO THE LEFT FRAME RAIL. IF THE MID FRAME CROSS MEMBER TEARS DURING FRONTAL IMPACT AND PRODUCES A SHARP EDGE, CONTACT OF THE SHARP EDGE WITH THE FUEL TANK MAY RESULT IN A PUNCTURE OF THE FUEL TANK AND POSSIBLE FUEL LEAKAGE. DEALERS ARE TO INSTALL A FUEL TANK SHIELD. *TT

Known issuesEngine fuel rail crossover tube retainer screws may break (5.3L RPO L59) - recall 04V-3762

  1. Recall2005 GMC YUKON XL ・ 2004-02-08

    Engine Fuel Rail Crossover Tube Retainer Screws

    1. 1Fault

      • The engine fuel rail crossover tube retainer screws were not made to specification and may break; if one breaks, fuel could leak from the crossover joint, the engine may stall, and with an ignition source an engine compartment fire could occur.

    2. 2Finding the cause

      Possible causes

      • The failed screw was harder than specification; the over-hardening came from a conveyor in an induction hardening operation at the fastener plant stopping or slowing excessively, exposing the screws to the hardening for too long.

      Steps to confirm (in the document’s order)

      • Inspect for blue or green paint dots on the fuel rail crossover tube assembly or on the throttle body; if there are any, go to step 13.

    3. 3Correction

      Repair

      1. Hold the fuel crossover tube retainer to the bracket on the fuel rail with locking pliers, using enough force to keep the retainer from moving without damaging any parts.
      2. Remove the fuel rail crossover tube bracket retainer screw on one side and dispose of it properly.
      3. Take the new screws out of the retainer kit (P/N 89017590) and discard the retainer brackets left in the kit.
      4. Start the new screw by hand for at least 3 full turns into the fuel rail crossover tube retainer bracket.
      5. Torque the screw to 4.8Nm (42 lb in).

      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

      • Part number 89017590, RETAINER KIT, F/INJN FUEL RL C/OVR TUBE, 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

      • Do not remove the crossover tube from the fuel rail or disturb the o-ring seal, because a fuel leak may result.
      • The service procedure in this recall differs from the one in the service manual.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：The recall covers certain 2005 Chevrolet Silverado, Tahoe and Suburban and GMC Sierra, Yukon and Yukon XL vehicles equipped with a 5.3L (RPO L59) E85 V8 engine and built within the listed VIN breakpoints.
    • Condition：The engine fuel rail crossover tube retainer screws were not made to specification and may break; if one breaks, fuel could leak from the crossover joint, the engine may stall, and with an ignition source an engine compartment fire could occur.
    • Cause：The failed screw was harder than specification; the over-hardening came from a conveyor in an induction hardening operation at the fastener plant stopping or slowing excessively, exposing the screws to the hardening for too long.
    • Confirm：Inspect for blue or green paint dots on the fuel rail crossover tube assembly or on the throttle body; if there are any, go to step 13.
    • Caution：Do not remove the crossover tube from the fuel rail or disturb the o-ring seal, because a fuel leak may result.
    • Caution：The service procedure in this recall differs from the one in the service manual.
    • Repair：Hold the fuel crossover tube retainer to the bracket on the fuel rail with locking pliers, using enough force to keep the retainer from moving without damaging any parts.
    • Repair：Remove the fuel rail crossover tube bracket retainer screw on one side and dispose of it properly.
    • Parts：Part number 89017590, RETAINER KIT, F/INJN FUEL RL C/OVR TUBE, quantity 1 per vehicle.
    • Repair：Take the new screws out of the retainer kit (P/N 89017590) and discard the retainer brackets left in the kit.
    • Repair：Start the new screw by hand for at least 3 full turns into the fuel rail crossover tube retainer bracket.
    • Repair：Torque the screw to 4.8Nm (42 lb in).
    • Repair：Check that the retainer is seated and not loose by trying to wiggle it slightly; it should not move. Then re-torque the screw to 4.8Nm (42 lb in).
    • Repair：Repeat steps 5 through 10 on the other side of the crossover tube.
    • Repair：Check for leaks: ignition ON with the engine OFF for 2 seconds, ignition OFF for 10 seconds, ignition ON with the engine OFF, then visually inspect for fuel leaks.
    Cause
    ON CERTAIN SPORT UTILITY VEHICLES AND PICKUP TRUCKS EQUIPPED WITH 5.3L (RPO L59) V8 ENGINES, THE ENGINE FUEL RAIL CROSSOVER TUBE RETAINER SCREWS WERE NOT MANUFACTURED TO SPECIFICATIONS AND MAY BREAK.
    Remedy
    DEALERS WILL INSPECT THE FUEL RAIL CROSSOVER TUBE AND, IF NECESSARY, REPLACE THE RETAINER SCREWS. OWNERS WERE NOTIFIED BY TELEPHONE ON JULY 30, 2004, WITH A FOLLOWUP OWNER LETTER BEGAN AUGUST 5, 2004. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438 OR GMC AT 1-866-996-9463. NOTE: THE GM BULLETIN LISTS THE TAHOE AND YUKON MODELS BECAUSE CANADIAN VEHICLES ARE INCLUDED IN THE BULLETIN. NO U.S. TAHOE OR YUKON VEHICLES ARE INCLUDED IN THE U.S. CAMPAIGN.
    Consequence
    IF THE TUBE RETAINER SCREW BREAKS, FUEL COULD LEAK FROM THE FUEL RAIL CROSSOVER JOINT, THE ENGINE MAY STALL AND, IF AN IGNITION SOURCE WERE PRESENT, AN ENGINE COMPARTMENT FIRE COULD OCCUR.

  2. Recall2005 GMC YUKON XL ・ 2004-08-05

    Fuel Rail Crossover Tube Retainer Screws Recall

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Engine fuel rail crossover tube retainer screws may break (5.3L RPO L59) - recall 04V-376

      Confirm

      • Check for leaks: ignition ON with the engine OFF for 2 seconds, ignition OFF for 10 seconds, ignition ON with the engine OFF, then visually inspect for fuel leaks.

      Repair

      1. Dealers inspect the fuel rail crossover tube and replace the retainer screws if necessary.
      2. Hold the fuel crossover tube retainer to the bracket on the fuel rail with locking pliers, using enough force to keep the retainer from moving without damaging any parts.

      Caution

      • The GM bulletin lists Tahoe and Yukon models because Canadian vehicles are included in the bulletin.
    Read the sentences of the record
    Cause
    On certain vehicles, the fuel rail crossover tube retainer screws were not manufactured to specifications and may break. If a tube retainer screw breaks, fuel could leak from the fuel rail crossover joint, the engine may stall and, if an ignition source were present, an engine compartment fire could occur. Correction: Dealers will inspect the fuel rail crossover tube assembly and, if necessary, replace the two tube retainer screws.

Known issuesBrake pipe (brake line) corrosion and rupture1

  1. Owner complaint2002 GMC YUKON XL DENALI ・ 2012-08-22

    Broken and leaking brake lines due to severe underbody corrosion

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

Known issuesFuel module reservoir assembly: fuel pump wire connectors may overheat - recall 05V-1551

  1. Recall2000–2001 GMC YUKON XL ・ —

    Fuel Module Reservoir Assembly Overheating Recall

    1. 1Fault

      • Some vehicles were built with fuel module reservoir assemblies whose fuel pump wires and/or connectors may overheat under certain operating conditions.
      • If the exposed ignition circuit wire shorts to ground, the fuel pump fuse blows, disabling the fuel pump and causing an engine stall or no-start; if the ignition circuit or ground wire shorts to the fuel level sender card wires, fuel level readings may be inaccurate.
      • If enough heat reaches the pass-through connector, a hole may form in it, which may turn on the Service Engine Soon light during the emission system diagnostics routine; fuel vapor, and in some cases liquid fuel, may leak from the tank through the hole.
      • If enough fuel leaked out and an ignition source were present, a vehicle fire could occur.

    2. 2Finding the cause

      Possible causes

      • Fretting corrosion caused by vibration inside the tank was identified as the cause of high resistance within the fuel pump connector.

    3. 3Correction

      Repair

      1. Dealers remove the fuel tank, remove the fuel module reservoir assembly and install a new service kit, which includes a new pass-through connector and a wiring harness for the fuel pump and fuel sender card.
      2. Start by disconnecting the negative battery cable, then remove and discard the "ECM B" fuse.
      3. In the revised bulletin, the fuel and EVAP pipes are capped with J 41413-300, EVAP Cap/Plug Kit, to prevent fuel system contamination.
      4. Remove the 4 pin Metri Pack 150 electrical connector from the vehicle's body harness.
      5. Connect the new GT280 connector to the vehicle's body harness with the 4 butt splice connectors contained in the kit.
      2 more points

      Parts

      • Part number 15824379, Harness Kit, F/Tnk F/Pmp Mdl Wrg, 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

      • Do not handle the fuel sender assembly by the fuel pipes; the leverage could damage the joints.
      • Always replace the fuel sender gasket when reinstalling the fuel sender assembly, to reduce the risk of fire and injury from a fuel leak.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：The recall covers certain 2000-2001 Chevrolet 1500 Series Suburban and GMC 1500 Series Yukon XL vehicles built within the listed VIN breakpoints.
    • Condition：Some vehicles were built with fuel module reservoir assemblies whose fuel pump wires and/or connectors may overheat under certain operating conditions.
    • Condition：If the exposed ignition circuit wire shorts to ground, the fuel pump fuse blows, disabling the fuel pump and causing an engine stall or no-start; if the ignition circuit or ground wire shorts to the fuel level sender card wires, fuel level readings may be inaccurate.
    • Condition：If enough heat reaches the pass-through connector, a hole may form in it, which may turn on the Service Engine Soon light during the emission system diagnostics routine; fuel vapor, and in some cases liquid fuel, may leak from the tank through the hole.
    • Condition：If enough fuel leaked out and an ignition source were present, a vehicle fire could occur.
    • Cause：Fretting corrosion caused by vibration inside the tank was identified as the cause of high resistance within the fuel pump connector.
    • Repair：Dealers remove the fuel tank, remove the fuel module reservoir assembly and install a new service kit, which includes a new pass-through connector and a wiring harness for the fuel pump and fuel sender card.
    • Parts：Part number 15824379, Harness Kit, F/Tnk F/Pmp Mdl Wrg, quantity 1 per vehicle.
    • Repair：Start by disconnecting the negative battery cable, then remove and discard the "ECM B" fuse.
    • Repair：In the revised bulletin, the fuel and EVAP pipes are capped with J 41413-300, EVAP Cap/Plug Kit, to prevent fuel system contamination.
    • Caution：Do not handle the fuel sender assembly by the fuel pipes; the leverage could damage the joints.
    • Caution：Always replace the fuel sender gasket when reinstalling the fuel sender assembly, to reduce the risk of fire and injury from a fuel leak.
    • Repair：Remove the 4 pin Metri Pack 150 electrical connector from the vehicle's body harness.
    • Repair：Connect the new GT280 connector to the vehicle's body harness with the 4 butt splice connectors contained in the kit.
    • Repair：Install the fuel tank strap attaching bolts and tighten them to 40 N·m (30 lb ft).
    • Repair：Install the new fuel pump fuse contained in the kit into the vehicle's electrical center (ECM B).
    Cause
    CERTAIN TRUCKS AND SPORT UTILITY VEHICLES WERE BUILT WITH FUEL MODULE RESERVOIR ASSEMBLIES THAT CONTAIN FUEL PUMP WIRES CONNECTORS MAY OVERHEAT UNDER CERTAIN OPERATING CONDITIONS.
    Remedy
    DEALERS WILL REMOVE THE FUEL TANK, AND REMOVE THE MODULE RESERVOIR ASSEMBLIES FROM THE TANK, AND INSTALL A NEW SERVICE KIT FREE OF CHARGE. AN INTERIM LETTER TO OWNERS WAS MAILED ON MAY 25, 2005. THE OWNERS WERE RE-NOTIFIED ON OCTOBER 19, 2005, SINCE PARTS ARE NOW AVAILABE. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 AND GMC AT 1-866-996-9463.
    Consequence
    IF THE IGNITION CIRCUIT WIRE IS EXPOSED, THE FUEL PUMP FUSE WILL BLOW, DISABLING THE FUEL PUMP AND CAUSING AN ENGINE STALL OR NO-START CONDITION. IF SUFFICIENT HEAT IS CONDUCTED TO THE PASS-THROUGH CONNECTOR, A HOLE IN THE CONNECTOR MAY RESULT, WHICH MAY CAUSE A 'SERVICE ENGINE SOON' LIGHT TO BE ILLUMINATED DURING THE EMISSION SYSTEM DIAGNOSTIC ROUTINE. FUEL VAPOR AND IN SOME CASES LIQUID FUEL MAY LEAK OUT OF THE FUEL TANK THROUGH THE HOLE IN THE CONNECTOR BODY. FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE. ALSO IF THE IGNITION CIRCUIT OR GROUND WIRE IS EXPOSED AND SHORTS TO THE FUEL LEVEL SENDER CARD WIRES, INACCURATE FUEL LEVEL READINGS MAY RESULT.

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 ・ 2006-08-04

    Engine fuel rail pulse damper retainer clip fracture recall

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Engine fuel rail pulse damper retainer clip may fracture (8.1L V8) - recall 06V-289 / Transport Canada 2006195

      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

      1. Dealers replace the engine fuel rail pulse damper retainer clip.
      2. Dealers replace the engine fuel rail pulse damper retainer clip.

      Caution

      • The service procedure in this recall is different from the service procedure in the service manual.
    Read the sentences of the record
    Cause
    On certain vehicles, 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. Fuel leakage in the presence of an ignition source could result in a fire. Correction: Dealers will replace the engine fuel rail pulse damper retainer clip.

Known issuesOil leak after cold start from frozen PCV system (rear main seal)1

  1. Manufacturer communication2002–2006 GMC YUKON XL ・ 2017-08-15

    Oil Leak After Cold Start in Extremely Low Temperatures

    1. 1Fault

      • An oil leak may appear shortly after a cold start in extremely low ambient temperatures (approximately below 10°F (= -12.2 °C)), or with excessive short trip drive cycles.

    2. 2Finding the cause

      Possible causes

      • If the leak is from the rear main seal, it is the result of a frozen PCV system and excessive crankcase pressure.

    3. 3Correction

      Repair

      • Clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430 (vented oil fill cap) to prevent a reoccurrence.

      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.

      Parts

      • For warranty, labor operation 4065230 is Oil Filler Cap Replacement.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：The model list names 2002-2014 GMC Yukon, Yukon XL, Yukon Denali and Yukon XL Denali.
    • Applies to：It applies to vehicles equipped with a V-8 gas engine, except L83, L86 and LV3.
    • Condition：An oil leak may appear shortly after a cold start in extremely low ambient temperatures (approximately below 10°F (= -12.2 °C)), or with excessive short trip drive cycles.
    • Cause：If the leak is from the rear main seal, it is the result of a frozen PCV system and excessive crankcase pressure.
    • Repair：Clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430 (vented oil fill cap) to prevent a reoccurrence.
    • Parts：For warranty, labor operation 4065230 is Oil Filler Cap Replacement.

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

    Remedy
    This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Technician will need to clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430.

FUEL SYSTEM, GASOLINE10

  1. Owner complaint2002 GMC YUKON XL ・ 2003-11-19

    Fuel tank leaks when filled beyond 2/3-3/4 full

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      MY DEALER HAS REPLACED "SEVERAL" OF THESE TANKS. (1 more)

    Read the sentences of the record
    Fault
    FUEL TANK LEAKS WHEN FILLED BEYOND 2/3-3/4 FULL.
    Remedy
    MY DEALER HAS REPLACED "SEVERAL" OF THESE TANKS. (1 more)
    Inspection
    VEHICLE WAS TAKEN TO DEALER AND I WAS ADVISED THAT IN FACT THE PROBLEM WAS A FAULTY GAS TANK.

  2. Manufacturer communication2000–2006 GMC YUKON XL ・ 2021-07-19

    EVAP System Leak Diagnosis for MIL with DTCs P0442/P0455

    1. 1Fault

      • The MIL is on and the ECM has P0442 (EVAP small leak detected) and/or P0455 (EVAP large leak detected).

    2. 2Finding the cause

      Possible causes

      • P0455 sets for a large leak or purge blockage: an unseated tube connection, a damaged tube, a stuck open canister vent valve or a stuck closed purge valve.
      • P0442 sets for a small leak, which can come from a stuck open purge valve or stuck open canister vent valve.

      Steps to confirm (in the document’s order)

      1. Inspect all purge connections for proper installation and look for damage or wear along the lines; if damage is seen, confirm with the smoke test.
      2. Some leaks show only under pressure and some only under vacuum, so check both ways.
      3. Cycling the purge and vent solenoids with GDS2 while inspecting may reveal a sticking valve.
      4. Critical connections 1-3: purge tube to purge valve (at intake manifold), purge tube to chassis EVAP line (rear of engine, near transmission), chassis EVAP line to canister.
      5. Critical connections 4-7: fuel tank load line to canister, vent valve line to vent valve, fuel tank load line jumper connection (near fuel tank), and the fuel tank cap closed properly.
      2 more points

    3. 3Correction

      This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2000 through 2021 GM passenger cars and trucks (including medium duty) with gasoline engines.
    • Condition：The MIL is on and the ECM has P0442 (EVAP small leak detected) and/or P0455 (EVAP large leak detected).
    • Cause：P0455 sets for a large leak or purge blockage: an unseated tube connection, a damaged tube, a stuck open canister vent valve or a stuck closed purge valve.
    • Cause：P0442 sets for a small leak, which can come from a stuck open purge valve or stuck open canister vent valve.
    • Confirm：Inspect all purge connections for proper installation and look for damage or wear along the lines; if damage is seen, confirm with the smoke test.
    • Confirm：Some leaks show only under pressure and some only under vacuum, so check both ways.
    • Confirm：Cycling the purge and vent solenoids with GDS2 while inspecting may reveal a sticking valve.
    • Confirm：Critical connections 1-3: purge tube to purge valve (at intake manifold), purge tube to chassis EVAP line (rear of engine, near transmission), chassis EVAP line to canister.
    • Confirm：Critical connections 4-7: fuel tank load line to canister, vent valve line to vent valve, fuel tank load line jumper connection (near fuel tank), and the fuel tank cap closed properly.
    • Confirm：If all connections are good, check the vent valve for a stuck open position.
    • Confirm：If the vent valve is verified to function correctly, go on to investigate the purge valve.

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

    Remedy
    This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.

  3. Manufacturer communication2000–2006 GMC YUKON XL ・ 2021-04-19(1 earlier editions of this document folded here)

    Engine Block Cylinder Bore Damage Information

    1. 1Fault

      • The block is suspected of cylinder bore damage, scoring or out of round as the cause of oil consumption, misfire, cylinder leakage or blow by.

    2. 2Finding the cause

      Possible causes

      • If a catalytic converter fails and the brick breaks, its dust can be drawn back into the engine.

      Steps to confirm (in the document’s order)

      1. The peak to valley spec for crosshatch is .65-2.8 microns; any deviation and the crosshatch will be gone.
      2. Cylinder damage or scoring: the walls have grooves deep enough to catch with a finger nail.
      3. If there is crosshatch all the way around the bore from top to bottom, the bore is not out of round.
      4. Dirt intrusion: with a compromised filtering system the bores look lightly sand blasted, and the crosshatch is faint with no sharpness.
      5. A block with this converter-dust failure has bores that look sand blasted.

    3. 3Correction

      Repair

      • If not caught early there will be no crosshatch and the engine will need to be replaced.

      Caution

      • GM has not had an issue with cylinders being machined out of round for any engine family in recent history.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to all brands and models, model years 2000 - 2021.
    • Condition：The block is suspected of cylinder bore damage, scoring or out of round as the cause of oil consumption, misfire, cylinder leakage or blow by.
    • Caution：GM has not had an issue with cylinders being machined out of round for any engine family in recent history.
    • Confirm：The peak to valley spec for crosshatch is .65-2.8 microns; any deviation and the crosshatch will be gone.
    • Confirm：Cylinder damage or scoring: the walls have grooves deep enough to catch with a finger nail.
    • Confirm：If there is crosshatch all the way around the bore from top to bottom, the bore is not out of round.
    • Confirm：Dirt intrusion: with a compromised filtering system the bores look lightly sand blasted, and the crosshatch is faint with no sharpness.
    • Cause：If a catalytic converter fails and the brick breaks, its dust can be drawn back into the engine.
    • Confirm：A block with this converter-dust failure has bores that look sand blasted.
    • Repair：If not caught early there will be no crosshatch and the engine will need to be replaced.

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

    Remedy
    This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.

  4. Owner complaint2000 GMC YUKON XL 2500 ・ 2007-11-30

    Fuel leak at main fuel tank access port after complete filling

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    FUEL LEAK AT THE MAIN FUEL TANK ACCESS PORT.
    Outcome
    NOW ON NOVEMBER 29, 2007 AFTER COMPLETELY FILLING THE LEAK IS BACK AGAIN, UP UNTIL THIS POINT THE REPAIR ALOUD COMPLETE FILLING. *TR

  5. Owner complaint2000 GMC YUKON XL ・ 2003-05-20

    Fuel leaking when parked and turned off

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    NOTICED ON SEVERAL OCCASIONS THAT VEHICLE SEEMED TO BE LEAKING FUEL WHEN PARKED AND TURNED OFF. (1 more)
    Cause
    APPARENTLY THIS ALLOWS FUEL TO BE SPEWED OUT OF THE TANK WHEN PARKED.
    Inspection
    DEALER DIAGNOSED AS A "CRACKED FUEL SENDING UNIT".

  6. Manufacturer communication2000–2001 GMC YUKON XL DENALI ・ 2001-02-25

    Fuel Tank Leakage Notification

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      SUBJECT REGARDING VEHICLES EXHIBITING FUEL TANK LEAKAGE. *TT

    Read the sentences of the record
    Remedy
    SUBJECT REGARDING VEHICLES EXHIBITING FUEL TANK LEAKAGE. *TT

  7. Owner complaint2000 GMC YUKON XL ・ 2007-04-20

    Fuel pump whistling and fuel leak when parked overnight

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    FUEL PUMP IS WHISTLING AND FUEL LEAK IS APPARENT WHEN PARKED OVERNIGHT IN GARAGE.

  8. Owner complaint2001 GMC YUKON XL ・ 2006-08-09

    Fuel leak from under vehicle

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    DT*: THE CONTACT STATED A PUDDLE OF FUEL HAD LEAKED FROM UNDER THE VEHICLE.
    Inspection
    AN INDEPENDENT REPAIR SHOP DETERMINED THE LEAK CAME FROM THE FUEL PUMP.

  9. Owner complaint2001 GMC YUKON XL ・ 2005-05-20

    Leaking fuel pump and strong smell of gas inside car

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    LEAKING FUEL PUMP AND STRONG SMELL OF GAS INSIDE OF CAR

  10. Owner complaint2002 GMC YUKON XL ・ 2003-05-20

    Fuel leak in garage after filling gas tank on 2000 GMC Yukon XL

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    FUEL LEAK IN MY GARAGE AFTER FILLING GAS TANK.
    Inspection
    SERVICE FACILITY DIAGNOSED PROBLEM TO BE FAULTY PLUNGER IN FUEL PUMP.

ENGINE AND ENGINE COOLING1

  1. Manufacturer communication2000–2006 GMC YUKON XL ・ 2017-08-15(1 earlier editions of this document folded here)

    Engine Check Lamp P0442 Evaporative Emissions System Notification

    1. 1Fault

      • The service engine soon lamp (MIL) is on for DTC P0442, but a leak cannot be verified with the system test in the service information.

    2. 2Finding the cause

      Steps to confirm (in the document’s order)

      1. With the scan tool, command the EVAP system CLOSED, start the engine and watch the tank pressure sensor value for about two minutes.
      2. If the tank pressure value changes (shows vacuum), remove the purge solenoid and pressurize its fuel tank side with the GE 41413-A / J 41413-A tester.
      3. If the tank pressure value does not change, install the CH-48096 adaptor between the purge line from the canister and the purge solenoid; use no other adaptor or pressurization method.
      4. With the EVAP system CLOSED, pressurize through the adaptor and let the system stabilize, watching the gauge for at least 5 minutes, then add smoke.
      5. Look for smoke or UV trace fluid at the purge solenoid, the engine side, the fuel cap or capless fill door, and the canister vent solenoid filter or fresh-air line.
      1 more points

    3. 3Correction

      Repair

      • If smoke passes through the purge solenoid, replace the purge solenoid.

      Caution

      • After verifying P0442, do not disturb any fuel system component before testing.
      • Test pressure must not exceed 13 in H2O (0.5 PSI (= 3.45 kPa)); more can make components perform inaccurately and lead to misdiagnosis.
      • A large temperature difference between vehicle, shop and tester seriously affects accuracy; let the vehicle adjust to shop temperature first.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2016 and prior passenger cars and trucks.
    • Condition：The service engine soon lamp (MIL) is on for DTC P0442, but a leak cannot be verified with the system test in the service information.
    • Caution：After verifying P0442, do not disturb any fuel system component before testing.
    • Confirm：With the scan tool, command the EVAP system CLOSED, start the engine and watch the tank pressure sensor value for about two minutes.
    • Confirm：If the tank pressure value changes (shows vacuum), remove the purge solenoid and pressurize its fuel tank side with the GE 41413-A / J 41413-A tester.
    • Repair：If smoke passes through the purge solenoid, replace the purge solenoid.
    • Confirm：If the tank pressure value does not change, install the CH-48096 adaptor between the purge line from the canister and the purge solenoid; use no other adaptor or pressurization method.
    • Confirm：With the EVAP system CLOSED, pressurize through the adaptor and let the system stabilize, watching the gauge for at least 5 minutes, then add smoke.
    • Confirm：Look for smoke or UV trace fluid at the purge solenoid, the engine side, the fuel cap or capless fill door, and the canister vent solenoid filter or fresh-air line.
    • Confirm：If smoke testing finds nothing, the leak may exist only under vacuum: use the scan tool Purge/Seal function to pull a vacuum and watch the FTP sensor parameter for vacuum decay.
    • Caution：Test pressure must not exceed 13 in H2O (0.5 PSI (= 3.45 kPa)); more can make components perform inaccurately and lead to misdiagnosis.
    • Caution：A large temperature difference between vehicle, shop and tester seriously affects accuracy; let the vehicle adjust to shop temperature first.

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

    Remedy
    This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Technician will need to review Techlink article from May 2013 titled "Using the Evaporative Emissions System Tester" Technician will need to follow these steps to help diagnose the issue. First after the P0442 has been verified do not disturb any of the fuel system components. The technician now can use the scan tool to close the Evaporative Emissions System. If possible change the tank pressure sensor units from inch_H2O to milimeter_Hg for better resolution. Now the vehicle can be stared to monitor the tank pressure sensor output value for approximately two minutes. If the tank pressure sensor value does change, pressurize the fuel tank side of the purge solenoid with the GE 41413-A / J 41413-A and the necessary adaptors. Now add smoke and allow pressure to stabilize for 2 minutes. If smoke is allowed to pass through the purge solenoid, replace the purge solenoid. If the tank pressure sensor value does not change, then install CH-48096 adaptor between the purge line from the canister and the purge solenoid. With the Evaporative Emissions System closed, pressurize the system through the CH-48096 adaptor and allow the system to completely stabilize, by observing the Press / Vac Gauge for a minimum of 5 minutes. Now add smoke to the system with GE 41413-A / J 41413-A after system stabilization. Now inspect the purge solenoid, engine side, fuel cap, canister vent solenoid filter and any line quick connects. When the leak is unable to be located, test under a vacuum condition. his type of leak may be detected by using the scan tool Purge/Seal function to create a vacuum in the Evaporative Emissions System and then observe the FTP sensor parameter for vacuum decay.

FUEL SYSTEM, OTHER1

  1. Owner complaint2001 GMC YUKON XL 2500 ・ 2009-10-08

    Gas leaking from underneath vehicle, fuel pump assembly fuel nipple

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    WAS DRIVING VEHICLE, STOPPED VEHICLE, NOTICED THAT GAS WAS LEAKING FROM UNDERNEATH THE VEHICLE.
    Cause
    THIS WAS NOT DUE TO WEAR AND TEAR. (1 more)
    Remedy
    ENTIRE ASSEMBLY HAD TO BE REPLACED.

FUEL/PROPULSION SYSTEM1

  1. Owner complaint2001 GMC YUKON XL 1500 ・ 2014-11-15

    Fuel pump failure recurring four times; hub bearing and gas leak issues

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    JUST THIS PAST FEBRUARY I HAD A GAS LEAK FROM THE LINE AND A WHOLE TANK OF GAS WAS ON MY GARAGE FLOOR.

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