GM Service Manual Online
For 1990-2009 cars only

Itch or Creak from Rear of Vehicle -- Coupe


Object Number: 180563  Size: SH

Problem

Itch or slight creaking sound from rear lift window striker.

Possible Cause

The rear lift window striker is moving on its mounting surface.

Correction

  1. Road test on a ramp or road that twists the body and listen for the creak.
  2. Remove the striker from the rear lift window panel.
  3. Add a 15 mm (0.6 in) hook and loop patch between the striker and the lift window panel.
  4. Install the striker.

Rattle from Lock Pillar


Object Number: 299063  Size: SH

Problem

Rattle by the shoulder belt guide on lock pillar.

Possible Cause

Hook and loop insulators on the belt guide cover are missing allowing the cover to contact the lock pillar trim.

  1. Check the underside of the guide cover for the loop insulators.
  2. Replace the two 12 mm (½ in) loop tape insulators on the guide cover.

Rattle from the Front of the Convertible Top Stowage Lid


Object Number: 299057  Size: SH

Problem

Stowage lid latch rattles on rough roads.

Possible Cause

Not enough pressure being applied to the stowage lid latch by the overslam bumpers.

Condition

  1. Road test on a rough surface.
  2. Adjust the stowage lid overslam bumpers to properly positioning the vertical height of the stowage lid front edge.
  3. lower the latch to increase the pressure on the overslam bumpers as necessary.

Rattle From the Rear of the Convertible Top Stowage Lid


Object Number: 299058  Size: SH

Problem

Rattle from the center of the rear of the folding top stowage lid.

Possible Cause

The stowage lid height setting bumper at the rear center of the stowage lid is not contacting the lid with enough pressure.

Correction

  1. Road test on rough surface.
  2. Apply anti squeak tape to the underside of the lid in the bumper contact area.
  3. LockTiteā„¢ the bumper threads and/or add a jam nut to the bumper.
  4. Adjust the bumper up to apply pressure to the stowage lid.

Rattle From Deck Lid -- Convertible


Object Number: 299056  Size: SH

Problem

Rattle from the outboard forward edges of the rear compartment lid (deck Lid).

Possible Cause

Deck lid bouncing on the hinge bumpers.

Correction

  1. Road test with the top down and listen for rattle.
  2. Adjust the hinge mounted bumpers to put slight pressure against the closed lid.

Slap from Parking Brake Cable


Object Number: 180566  Size: SH

Problem

Slap or rattle from the rear of the vehicle on bumps.

Possible Cause

The parking brake cable(s) is/are hitting the rear compartment floor, or the frame rail, outboard of the retaining clamp

Correction

  1. Road test and listen for the sound and/or raise the vehicle and tap on the cables.
  2. Install foam tape to the floor or the frame rail at the point of cable contact.

Squeak or Itch from Rear Corner of Body


Object Number: 180559  Size: SH

Problem

Squeak or itch from the rear of the vehicle.

Possible Cause

The rear body panel bond, in the area of the rear lift window panel tension bumper, rubs the underside of the rear compartment opening surround panel.

Correction

  1. Open the rear lift window panel and apply pressure to the side of the surround and listen for a chirp sound.
  2. Add epoxy adhesive in the area of the hatch surround below the tension bumper to securely bond the underside of the rear corner of the surround to the rear body panel.

Tapping from Behind Drivers Seat


Object Number: 384311  Size: SH

Problem

Tapping noise behind the drivers seat.

Posssible Cause

The fuel door manual release tab contacts the rear compartment acoustic panel.

Correction

Add hook and loop tape or flocked tape to the bottom of the acoustic panel in the area of contact.