Instrument Panel - Buzzing Noise

91pontiac05

Bulletin Number: 90-8-37
Reference Number: 138302
Publish Date: 4/91


Subject:
INSTRUMENT PANEL BUZZING NOISE (PROCEDURE AND INSTALL I/P INSULATOR)

Models Affected:
1985-90 GRAND AM MODELS





Condition:

Some 1985-90 Pontiac Grand Ams may exhibit a buzzing noise at the right side of the instrument panel (I/P).

Cause:

Rough road conditions or certain engine RPMs may cause the right side of the Instrument Panel to vibrate against the right hand windshield garnish molding.


Correction:

Install I/P insulator P/N 25522468 as follows:

Parts are currently available from GMSPO.

1. Remove RH and LH defroster grilles by prying upward gently.
2. Remove (4) I/P attaching screws in grille openings.
3. Remove RH lower insulator panel (3) screws.
4. Remove center support screw.
5. Remove RH lower I/P corner nut.
6. Pull I/P rearward enough to gain access to garnish molding.
7. Apply Insulator P/N 25522468.
8. Install RH lower I/P corner nut - tighten to 10 N-m (11 lbs.ft.).
9. Install center support screw - tighten to 3 N-m (25 lbs.in.) .
10. Install RH insulator and screws - tighten to 2 N-m (17 lbs.in.).
11. Install (4) upper I/P attaching screws - tighten 4 N-m (35 lbs. in.).
12. Install RH and LH defroster grilles.

Labor Operation Number : T1715

Labor Time : .4 Hour