Noise Diagnosis - Instrument Panel and Header (Radio Trim Plate Itch Or Buzz)

Noise Diagnosis - Instrument Panel and Header (Radio Trim Plate Itch Or Buzz)





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

Notice: Refer to Fastener Notice in Service Precautions.

* Tighten the radio mounting bolts to 8 N.m (7 lb in). Refer to Radio Replacement (Chevrolet) Radio Replacement (Pontiac) in Radio, Stereo and Compact Disc.
* 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.