GM Service Manual Online
For 1990-2009 cars only

Folding Top Pump Rattle


Object Number: 397250  Size: SH

Symptom:

Rattle coming from the rear of the vehicle.

Possible Cause:

    • Folding top pump mounting nuts (1) loose or missing.
    • Mounting stud(s) missing or broken.

Diagnosis:

Visually inspect for mounting studs and nuts (1).

Corrective Action:

    • Replace missing or broken studs with bolts.
    • Tighten the mounting nuts to specification.

Tighten
Tighten the pump mounting nuts (1) to 6 N·m (53 lb in).

Passenger Side B-Pillar Creak


Object Number: 397260  Size: MH

Symptom:

Creak coming from the upper B-pillar/roof area on the passenger side. Usually only happens over 16°C (60°F) ambient temperature.

Possible Cause:

Sheet metal interference in the middle to the upper area of the B-pillar.

Diagnosis:

Remove B-pillar quarter inner trim finishing panel. Test drive the vehicle, listen for noise over rough roads.

Corrective Action:

Strike the B-pillar sheet metal, inside the vehicle, with a ball peened hammer to put a slight indentation in the inside body panel.

Radio Rear Speaker Rattle


Object Number: 362247  Size: SH

Symptom:

Rattle from the rear speaker located on the rear quarter trim panel.

Possible Cause:

The rivets do not hold well due to improper installation.

Diagnosis:

    • Remove the rear quarter trim.
    • Check speaker attachment to the trim for looseness.

Corrective Action:

Install new rivets or isolation material as necessary.

Rear Compartment Closeout Panel Rattle


Object Number: 397264  Size: SH

Symptom:

Rattle from the rear of the vehicle.

Possible Cause:

Rear compartment closeout panel (2) rattles against the side trim.

Diagnosis:

Remove the closeout panel (2) and test drive the vehicle.

Corrective Action:

Apply a 2 in x 5 in piece of felt tape (1) on the side trim just above the carpet.

Hatch Rattle


Object Number: 397266  Size: SH

Symptom:

A rattle coming from the rear hatch area.

Possible Cause:

    • The hatch latch is not in the correct position, both cross-car and up/down.
    • Overslam bumpers are not properly set.

Diagnosis:

Test drive the vehicle and, with the aid of a helper, push up on the rear compartment lift window panel to stop the noise.

Corrective Action:

    • Loosen the latch.
    • Center with the striker and retighten. Be sure to provide equal clearance to the latch sides.
    • Lower the lift window pane and run bumpers out to a point that a single piece of paper can barely be pulled out when the rear panel is fully closed.

Rear Compartment Lift Window Panel Cover Rattle


Object Number: 397267  Size: SH

Symptom:

Rattle from the rear compartment trim area.

Possible Cause:

Trim is loose due to misinstalled or missing fasteners.

Diagnosis:

Carefully pull the rear compartment trim down to view behind, look for misinstalled or missing fasteners.

Corrective Action:

Install new fasteners.

Rear Quarter Panel Styrofoam Itch


Object Number: 397275  Size: SH

Symptom:

High pitched itch coming from the rear (right, left or both) of the vehicle over moderate to rough roads. Sounds similar to sheet metal joint creaks.

Possible Cause:

The stryofoam inserts located behind the quarter trim panel are contacting and rubbing against the quarter inner sheet metal surfaces.

Diagnosis:

Look for witness marks on the styrofoam insert of the quarter panel inner sheet metal surface.

Corrective Action:

Apply 3 pieces of 30 x 80 mm GM 6068M closed cell foam (P/N 22638774) or similar isolation material at specified location. Wrap foam around edges approximately 1/4 inch.