GMC Yukon XL 2000–2006
Common on this vehicle:Warning lightLeakNoiseSmoke or fire
Record by record
7 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 (7)
Known issuesEngine fuel rail pulse damper retainer clip may fracture (8.1L V8) - recall 06V-289 / Transport Canada 20061951
Recall2004–2006 GMC YUKON XL ・ 2006-03-08
Fuel Rail Pulse Damper Retainer Clip Fracture Recall
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.
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.
3Correction
Repair
- Dealers are to replace the engine fuel rail pulse damper retainer clip.
- 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.
- 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.
- Push down on the fuel dampener and remove the fuel pressure dampener clip; discard the old clip.
- Push down on the fuel dampener and install the new fuel pressure dampener clip.
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.
No component category5
Manufacturer communication2001–2002 GMC VEHICLES WITH 8.1L ENGINE (YUKON XL) ・ 2002-12-01
High oil consumption: replace the intake manifold bolts (bulletin 02-06-01-035)
1Fault
- High oil consumption.
2Finding the cause
Not stated
3Correction
Repair
- Replace the intake manifold bolts.
Read the sentences of the record
From the manufacturer’s document
- Applies to:Bulletin 02-06-01-035 lists "2001-02 vehicles with 8.1L Engine" (VINs G, E; RPO L18).
- Condition:High oil consumption.
- Repair:Replace the intake manifold bolts.
Open this issue of GM TechLink ↗ The points above are read from an article of TechLink, GM’s monthly publication for dealership technicians. The article itself is not reproduced here.
- Remedy
- Bulletins - November, 2002 02-06-01-035; High Oil Consumption (Replace Intake Manifold Bolts); 2001-02 vehicles with 8.1L Engine (VINs G, E -- RPO L18) High Oil Consumption Replace Intake Manifold Bolts
Manufacturer communication2001–2002 GMC CHEVROLET AND GMC C/K, G, C6-7 MD, B7 MD SCHOOL BUS MODELS WITH 8.1L ENGINE (YUKON XL) ・ 2002-06-01
Low oil pressure and new oil level indicator, 8.1L engine (bulletin 02-06-01-015)
1Fault
- Low oil pressure.
2Finding the cause
Not stated
3Correction
Parts
- New oil level indicator.
Read the sentences of the record
From the manufacturer’s document
- Applies to:Bulletin 02-06-01-015 lists "2001-02 Chevrolet and GMC C/K, G, C6-7 MD, B7 MD School Bus Models with 8.1L Engine" (VINs E, G; RPO L18).
- Condition:Low oil pressure.
- Parts:New oil level indicator.
Open this issue of GM TechLink ↗ The points above are read from an article of TechLink, GM’s monthly publication for dealership technicians. The article itself is not reproduced here.
- Remedy
- Bulletins – May 2002 02-06-01-015; Low Oil Pressure and New Oil Level Indicator; 2001-02 Chevrolet and GMC C/K, G, C6-7 MD, B7 MD School Bus Models with 8.1L Engine (VINs E, G – RPO L18) Low Oil Pressure and New Oil Level Indicator Low Oil Pressure and New Oil Level Indicator
Manufacturer communication2001–2002 GMC VEHICLES WITH 4.8L, 5.3L, 5.7L, 6.0L OR 8.1L ENGINE (YUKON XL) ・ 2002-04-01
Revised DTC P1221 (bulletin 02-06-04-005)
1Fault
2Finding the cause
Steps to confirm (in the document’s order)
- Revised DTC P1221.
3Correction
Read the sentences of the record
From the manufacturer’s document
- Applies to:Bulletin 02-06-04-005 lists "specified 2001-02 vehicles with 4.8L, 5.3L, 5.7L, 6.0L or 8.1L Engine" (VINs V, T, G, S, U; RPOs LR4, LM7, LS1, LS6, LQ4, L18).
- Confirm:Revised DTC P1221.
Open this issue of GM TechLink ↗ The points above are read from an article of TechLink, GM’s monthly publication for dealership technicians. The article itself is not reproduced here.
- Remedy
- Bulletins – March 2002 02-06-04-005; Revised DTC P1221; specified 2001-02 vehicles with 4.8L, 5.3L, 5.7L, 6.0L or 8.1L Engine (VINs V , T , G, S, U – RPOs LR4, LM7 , LS1, LS6, LQ4, L18) Revised DTC P1221
Manufacturer communication2001 GMC CHEVROLET AND GMC C/K AND G LIGHT DUTY MODELS, 2001 CHEVROLET AND GMC B7, C6, C7 MEDIUM DUTY MODELS WITH 8.1L ENGINE (YUKON XL) ・ 2001-09-01
1Fault
- Engine tick noise at valve train speed / loss of power.
2Finding the cause
Not stated
3Correction
Repair
- Replace the push rod.
Read the sentences of the record
From the manufacturer’s document
- Applies to:Bulletin 01-06-01-018 lists "2001 Chevrolet and GMC C/K and G Light Duty Models, 2001 Chevrolet and GMC B7, C6, C7 Medium Duty Models with 8.1L Engine" (VINs E, G; RPO L18).
- Condition:Engine tick noise at valve train speed / loss of power.
- Repair:Replace the push rod.
Open this issue of GM TechLink ↗ The points above are read from an article of TechLink, GM’s monthly publication for dealership technicians. The article itself is not reproduced here.
- Remedy
- This review of service bulletins released through mid-August 01-06-01-018; Engine Tick Noise at Valve Train Speed/Loss of Power (Replace Push Rod); 2001 Chevrolet and GMC C/K and G Light Duty Models, 2001 Chevrolet and GMC B7, C6, C7 Medium Duty Models with 8.1L Engine (VINs E. G -- RPO L18) Engine Tick Noise at Valve Train Speed/Loss of Power (Replace Push Rod) Engine Tick Noise at Valve Train Speed/Loss of Power (Replace Push Rod)
Manufacturer communication2001 GMC CHEVROLET AND GMC C/K AND G LIGHT DUTY MODELS, 2001 CHEVROLET AND GMC B7, C6, C7 MEDIUM DUTY MODELS WITH 8.1 L ENGINE (YUKON XL) ・ 2001-05-01
1Fault
- Malfunction indicator lamp on with a DTC P0341, P0342, P0343.
2Finding the cause
Not stated
3Correction
Repair
- Replace the cam sensor.
Read the sentences of the record
From the manufacturer’s document
- Applies to:Bulletin 01-06-04-012 lists "2001 Chevrolet and GMC C/K and G Light Duty Models, 2001 Chevrolet and GMC B7, C6, C7 Medium Duty Models with 8.1 L Engine" (VINs E, G; RPO L18).
- Condition:Malfunction indicator lamp on with a DTC P0341, P0342, P0343.
- Repair:Replace the cam sensor.
Open this issue of GM TechLink ↗ The points above are read from an article of TechLink, GM’s monthly publication for dealership technicians. The article itself is not reproduced here.
- Remedy
- This review of service bulletins released through mid-April 01-06-04-012; Malfunction Indicator Lamp ON with a DTC P0341, P0342, P0343 (Replace Cam Sensor); 2001 Chevrolet and GMC C/K and G Light Duty Models, 2001 Chevrolet and GMC B7, C6, C7 Medium Duty Models with 8.1 L Engine (VINs E, G -- RPO L18) Malfunction Indicator Lamp ON with a DTC P0341, P0342, P0343 (Replace Cam Sensor) Malfunction Indicator Lamp ON with a DTC P0341, P0342, P0343 (Replace Cam Sensor)
ENGINE AND ENGINE COOLING1
Manufacturer communication2001 GMC YUKON XL ・ 2004-08-24
Position 2 O2 Sensor Information
1Fault
Not stated
2Finding the cause
Not stated
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

