GMC Yukon XL 2000–2006
Common on this vehicle:Warning lightLeakVibration or shudderNoiseGauge or instrument faultMisfire or rough idleCorrosion or rustAir conditioning or heater
Possible causes
40 causes not drawn
- Castech cylinder head porosity crack (gradual coolant loss)4.8L, 5.3L only1
- Intake manifold gasket leak (cold idle misfire, lean codes)1
- Higher than expected oil consumption at 8600 GVW and above (accepted rate and consumption test)1
- P0300 after engine repairs: injector connectors crossed (cylinders 5-7 / 6-8)1
- Slight roughness at idle with no DTCs (possible characteristic)1
- OnStar Module: electrical fault1
- Grease seen at front hub bearing seals (normal purge, do not replace)1
- Creak or squeak noise from the rear lower control arm bushings (do not replace the propshaft)1
- Vehicle body tilt or lean left / right (torsion bar front suspension)1
- Reduced Engine Power from throttle body connector crimp, broken wire or grounds1
- Engine Control Module: software1
- HVAC blower motor resistor module / connector overheating3
- No passenger compartment air filter (not available from the 2003 model year; normal)2
- HVAC actuator clicking / ticking noises (recalibrate the HVAC control module, do not replace actuators)1
- Rear HVAC ticking noise, no rear temperature or mode control, DTC B0434 / B3764 (revised auxiliary HVAC control module)1
- Climate Control Module: software1
- Speedometer needle appears inaccurate (specification +/- 2 MPH)3
- Voltmeter fluctuates between 12 and 14 volts (Regulated Voltage Control, normal)2
- Speedometer: failed1
- Power Folding Mirror: failed2
- Bench seat (RPO AE7) center console armrest hinges broken (replace the lid, not the console assembly)1
- Door sags or is hard to open or close (worn or corroded hinge pins and bushings)1
- Front seat adjuster switch knob loose or missing (replace only the switch cover)1
- Mirror Glass: loose or misadjusted1
- Engine fuel rail pulse damper retainer clip may fracture (8.1L V8) - recall 06V-289 / Transport Canada 20061958.1L only2
- Fuel gauge reads low or drops to empty in Park / Neutral (normal characteristic)1
- 4L60-E slip or no forward engagement right after input housing replacement (service part 17803687)1
- 4L80-E / 4L85-E planetary gear whine in first and second gear1
- Electronic transfer case stops shifting with no DTC (shift abuse lock out mode, normal)1
- Transfer case speed sensor connector locks bend on disconnect (improved connector)1
- 4L60-E / 4L65-E clunk on 2-3 upshift or 3-2 downshift (normal condition)1
- Differential: failed1
- Power steering pump whine between idle and 2000 rpm1
- Steering intermediate shaft clunk1
- Pitman Arm: design or manufacturing1
- Pitman Arm Shaft Seal: leaking1
- SIR lamp on and inside mirror temperature/compass display inoperative (open air bag fuse, circuit 1139 shorted to ground)1
- Seat Belt Buckle: failed1
- Seat Belt Warning Light: failed1
- Tire and loading information label lists inaccurate vehicle capacity weight (FMVSS 110) - recall 05V-5521
Causes with no correction stated (15)
Causes the records name for which no check or repair is stated, in a technical document or in a record. Press one for the records that name it.
- Heating and air conditioning
- HVAC temperature doors default to full hot or defrost cannot be obtained (1)
- Transmission and driveline
- Axle Differential Seal: leaking (1)Locking Rear Differential (1)Pinion Seal: leaking (1)
- Other
- Bolt: broken (1)
- Electrical, wiring and power
- Emergency Light Relay (1)Fuse: failed (1)
- Exhaust and emissions
- Exhaust Manifold Bolt: broken (1)
- Body, doors and interior
- Frame: corroded (1)Keypad: failed (1)Seat Position Sensor: broken (1)Sunroof (1)
- Fuel system
- Fuel Line: broken (1)
- Audio and telematics
- XM Travel Link: failed (1)
The documents say what to doOnly records name itThe size of a node, the width of a link and the numbers are records matching this search, not likelihoods.
FaultCrate・GMC Yukon XL 2000–2006・2006
Candidate cause (the documents say what to do)
Upper control arm bracket alignment (dowel) pin missing at front end alignment
While performing a front end alignment, the upper control arm bracket alignment pin may be found missing.
The pin serves as a pilot for the alignment cam when adjusting the front caster and camber.
What to do
- If the pin is missing, a 1/4 inch dowel rod or a punch can be used as a temporary alignment aid to center the cam to the bracket while making adjustments and torqueing the control arm nuts.
What is needed
- Parts and materials
- Not stated
- Labor time
- Not stated
- Special tools
- Not stated
- Scan tool
- Not stated
Only what the technical documents state. "Not stated" does not mean not needed.
In the records
No record states work done for this cause.
See the evidence (1 technical documents, 1 records)
Passages of the technical documents
Applies to 2000-2015 GMC Yukon, Yukon XL, Yukon Denali and Yukon Denali XL.
2000-2015 GMC Yukon, Yukon XL, Yukon Denali, Yukon Denali XL
General Motors
While performing a front end alignment, the upper control arm bracket alignment pin may be found missing.
While performing a front end alignment it may be noticed that the upper control arm bracket alignment pin is missing.
General Motors
The pin serves as a pilot for the alignment cam when adjusting the front caster and camber.
This pin serves as a pilot for the alignment cam when adjusting the front caster and camber.
General Motors
If the pin is missing, a 1/4 inch dowel rod or a punch can be used as a temporary alignment aid to center the cam to the bracket while making adjustments and torqueing the control arm nuts.
If the pin is missing, a 1/4 inch dowel rod or a punch can be utilized as a temporary alignment aid to properly center the cam to the bracket, while making adjustments and torqueing the control arm nuts
General Motors
A cause or a result a complaint states is the owner’s view or what a dealer told them, not an established fact.
Put together by FaultCrate from public records and technical documents. The cause and the repair are for the workshop to decide with the vehicle in front of it. Counts are records, not failure rates.

