GM Service Manual Online
For 1990-2009 cars only

Instrument Panel Hinge Pillar Trim Panel Rattle Or Itch


Object Number: 397214  Size: MH

Symptom:

Rattle or itch coming from the right side of the instrument panel area.

Possible Cause:

    • Body hinge pillar trim panel (1) rubbing against the upper extension panel (2).
    • Body hinge pillar trim panel (1) contacts the right side wall of the instrument panel.

Diagnosis:

    • Look for witness marks on the following:
    • Hinge pillar trim panel (1)
    • Upper extension panel (2)
    • Side wall of the instrument panel
    • Push down on the corner of the upper extension panel (2) to see if it is able to spring back and touch the hinge pillar trim panel (1).
    • Push against the instrument panel wall to see if it is able to spring back and touch the hinge pillar trim panel (1).

Corrective Action:

    • Apply felt tape to the upper extension panel (2) at the point of contact.
    • Apply felt tape to the instrument panel wall at the point of contact.

Instrument Panel Upper Trim Rattle


Object Number: 397216  Size: SH

Object Number: 397218  Size: SH

Symptom:

Rattle from the top of the instrument panel.

Possible Cause:

    • Check the retaining clips (2) and dual lock fasteners (1) for the following:
       - Missing
       - Damaged
       - Not fully engaged
    • The adhesive attaching the dual lock fasteners (1) fails.

Diagnosis:

While test driving the vehicle, apply pressure to the upper trim panel and listen for changes in noise.

Corrective Action:

    • If the adhesive has failed, replace the dual lock fastener.
    • Fully engage all clips and dual locks
    • Replace any damaged or missing clips (2) or dual lock fasteners (1).

Instrument Panel Knee Bolster Itch


Object Number: 397220  Size: SH

Symptom:

Itching sound from below the steering column.

Possible Cause:

Knee bolster rubbing against the cluster bezel.

Diagnosis:

While test driving apply hard upward pressure and listen for the itch to change.

Corrective Action:

    • Loosen knee bolster bolts.
    • Reposition knee bolster downward and forward to create clearance to the bezel.
    • Retighten the bolts to specifications. Refer to Fastener Tightening Specifications in Instrument Panel, Gauges and Console.

Windshield Side Upper Garnish Molding Itch


Object Number: 397222  Size: SH

Symptom:

Itch coming from the left or right side of the instrument panel.

Possible Cause:

Windshield side upper garnish molding is loose.

Diagnosis:

The edge of the garnish molding is contacting the windshield and/or upper trim panel.

Corrective Action:

    • Replace the damaged clips on the garnish molding.
    • Replace the garnish molding if the clip area is broken.

Radio Trim Plate Itch Or Buzz


Object Number: 397277  Size: SH

Symptom:

Itch or buzz coming from the radio area of the instrument panel.

Possible Cause:

Radio trim plate is contacting the radio at one or more locations.

Diagnosis:

    • Check the radio mounting bolt torque.
    • Inspect the trim plate for distortion.
    • Look for witness marks on the radio and/or trim plate.
    • Press against the radio trim plate to see if the noise can be generated.
    • While test driving the vehicle, apply press the radio trim plate and listen for changes in noise.

Corrective Action:

    • Tighten the radio mounting bolts to specifications. Refer to Fastener Tightening Specifications in Instrument Panel, Gauges and Console.
    • Replace the radio trim plate.
    • Apply felt tape to the radio and/or edge of the radio trim plate at the point(s) of contact.