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GMC Yukon XL 2000–2006

GMC Yukon XLModel years 2000–2006

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Common on this vehicle:Noise

issueCreak or squeak noise from the rear lower control arm bushings (do not replace the propshaft)Remove

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Known issuesCreak or squeak noise from the rear lower control arm bushings (do not replace the propshaft)1

  1. Manufacturer communication2005–2006 GMC FULL SIZE UTILITIES (YUKON XL) ・ 2006-08-01

    Creak or squeak noise from the rear lower control arm bushings; do not replace the propshaft

    1. 1Fault

      • Owners may comment of a creak or squeak type noise on acceleration, deceleration, over bumps, in turns or on garage shifts; it may sound like it comes from the front or the rear of the vehicle.
      • The noise, felt or heard using Chassis Ears, may seem to come from along the entire frame side rail or the body mount areas.
      • In some cases the noise may sound like loose lumber when driving straight or turning on a minimally rough road surface.

    2. 2Finding the cause

      Possible causes

      • The noise could be coming from the rear lower control arm bushings; the squeak is caused by relative movement of the bushing to the control arm flange.

      Steps to confirm (in the document’s order)

      • To help isolate the noise to the control arm bushing, spray penetrating oil (WD-40 or equivalent) on the bushing-to-control-arm area.

    3. 3Correction

      Repair

      • If the noise is eliminated or reduced, replace the control arm assembly.

      Caution

      • The noise can sound like it comes from the propshaft; do not replace the propshaft for this condition.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：The information applies to 2005-06 full size utilities, Cadillac Escalade, Chevrolet Avalanche and HUMMER H2 built after May 2005.
    • Condition：Owners may comment of a creak or squeak type noise on acceleration, deceleration, over bumps, in turns or on garage shifts; it may sound like it comes from the front or the rear of the vehicle.
    • Condition：The noise, felt or heard using Chassis Ears, may seem to come from along the entire frame side rail or the body mount areas.
    • Condition：In some cases the noise may sound like loose lumber when driving straight or turning on a minimally rough road surface.
    • Caution：The noise can sound like it comes from the propshaft; do not replace the propshaft for this condition.
    • Cause：The noise could be coming from the rear lower control arm bushings; the squeak is caused by relative movement of the bushing to the control arm flange.
    • Confirm：To help isolate the noise to the control arm bushing, spray penetrating oil (WD-40 or equivalent) on the bushing-to-control-arm area.
    • Repair：If the noise is eliminated or reduced, replace the control arm assembly.

    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
    Creak or Squeak Noise This information applies to 2005-06 full size utilities, Cadillac Escalade, Chevrolet Avalanche, and HUMMER H2 built after May, 2005. Owners may comment of a creak or squeak type noise on acceleration, deceleration, over bumps, turns or garage shifts. This noise may sound like it is from the front or the rear of the vehicle. This noise (felt or heard using Chassis Ears) may seem to be coming from along the entire frame side rail or body mount areas. In some cases, the noise may sound like loose lumber while driving on a minimally rough road surface while driving straight or turning. IMPORTANT: This noise can sound like it is coming from the propshaft. Do not replace the propshaft for this condition. This noise could be coming from the rear lower control arm bushings. The squeak is caused by relative movement of the bushing to the control arm flange. To help isolate the noise to the control arm bushing, spray penetrating oil (WD-40 or equivalent) on the bushing to the control arm area. If the noise is eliminated or reduced, replace the control arm assembly.