GM Service Manual Online
For 1990-2009 cars only

Leak onto the Lock Pillar Trim at the Seat Belt Slot (Hard Top)


Object Number: 547989  Size: SH

Possible Cause

There is a gap in the sealant under the weatherstrip retainer.

Diagnosis

Locally water test at the upper rear corner of the roof reveal molding.

Corrective Action

Reseal the weatherstrip retainer.

  1. Pull the top of the rear side trim panel from the lock pillar un-snapping the upper retainer.
  2. Slightly lower the headlining.
  3. Remove six inches of the weatherstrip from each of the retainers.
  4. Install a 38 mm (1½ in) long, 12 mm (½ in) wide, strip of black body sealant under the corner of the retainer.
  5. Apply weatherstrip adhesive to the outer side of the corner of the retainer.
  6. Install the weatherstrip.
  7. Install the upper corner of the headliner and the rear side trim panel.

Leak into a Rear Floor Side Stowage Pocket


Object Number: 372289  Size: SH

Possible Cause 1

The pressure relief valve is not fully seated into side panel. (Left stowage pocket only).

Possible Cause 2

A screw attaching the fascia to the surround panel is stripped.

Possible Cause 3

There is a gap in the adhesive bonding between the stowage compartment panel and the surround panel.

Diagnosis Cause 1

Remove the side carpet and visually inspect the pressure relief valve for proper installation.

Diagnosis Cause 2

Check for a stripped screw. Locally water test along the forward upper edge of the fascia.

Diagnosis Cause 3

Remove the taillamps and spray water along the rear compartment to surround panel seam.

Corrective Action 1

Push the pressure relief valve into the side panel until it is fully seated.

Corrective Action 2

  1. Remove the stripped screw. Save the washer.
  2. Fill the screw hole with weatherstrip sealant.
  3. Install the original screw washer onto a new longer screw such as a rear taillamp screw and install the screw into the stripped hole.
  4. Remove the taillamp for access.
  5. Install a speed nut to the bottom of the new screw and tighten the screw.
  6. Install the taillamp.

Corrective Action 3

  1. Remove the taillamp for access.
  2. Fill the seam between the rear compartment and the surround panel with weatherstrip sealant.
  3. Install the taillamp.

Leak into a Rear Floor Stowage Pocket


Object Number: 372291  Size: SH

Possible Cause

A screw attaching the fascia to the surround panel is stripped.

Diagnosis

Locally water test along the forward upper edge of the fascia.

Corrective Action

  1. Remove the stripped screw. Save the washer.
  2. Fill the screw hole with weatherstrip sealant.
  3. Install the original screw washer onto a new longer screw such as a rear taillamp screw and install the screw into the stripped hole.
  4. Remove the taillamp for access.
  5. Install a speed nut to the bottom of the new screw and tighten the screw.
  6. Install the taillamp.

Leak into the Rear Storage Compartment Near the Radio Speaker


Object Number: 372293  Size: SH

Possible Cause

There is a gap in the adhesive bonding between the stowage compartment panel and the surround panel.

Diagnosis

Locally water test along the forward upper edge of the quarter panel.

Corrective Action

  1. Remove the quarter panel.
  2. Fill the seam between the stowage compartment panel and the surround panel with weatherstrip sealant.
  3. Install the quarter panel.

Dripping from a Closed Lift Window onto a Radio Speaker


Object Number: 372295  Size: SH

Possible Cause

There is not enough contact pressure between the weatherstrip and the lift window.

Diagnosis

Locally water test along the forward edge of the weatherstrip.

Corrective Action

  1. Remove the 9.5 mm (3/8 in) round foam insert stuffer from the slot in the forward lower corner of the lift window opening weatherstrip. (Carefully slit the weatherstrip to aid in removal)
  2. Insert a 12.5 mm (1/2 in) insert stuffer into the slot to build up the weatherstrip for more tension to the lift window panel.
  3. Using Locktiteā„¢ glue the slit together.