Front Suspension - Scrunching/Popping Noise
File In Section: 3 - Steering/SuspensionBulletin No.: 53-33-07B
Date: July, 1998
Subject:
Front Suspension Scrunch/Pop Noise
(Install Front Suspension Jounce Washer)
Models:
1994-96 Buick Regal
1994-98 Chevrolet Lumina
1995-98 Chevrolet Monte Carlo
1994-97 Oldsmobile Cutlass Supreme
1994-96 Pontiac Grand Prix
This bulletin is being revised to add the 1998 model year for Chevrolet. Please discard Corporate Bulletin Number 53-33-07A (Section 3 - Steering/Suspension).
Condition
Some vehicles may exhibit a scrunch/popping type noise coming from the front of vehicle that is apparent during low speed turning maneuvers.
Cause
Slip-stick condition that occurs between front suspension strut bumper and front strut closure nut.
Correction
Install a front suspension jounce washer, P/N 10403367, on each front strut assembly following service procedure indicated.
Service Procedure
Caution
Do not perform this service procedure unless the weight of the vehicle is on the suspension. The weight of the vehicle keeps the coil spring compressed, otherwise the released coil spring could cause personal injury
1. Scribe strut cover to body to assure proper camber adjustment.
2. Remove strut mount cover by removing three cover nuts.
3. Remove strut shaft nut using No. 50 torx bit and nut remover/installer, J 35669.
4. Remove strut mount insulator by prying with a suitable tool.
5. Attach strut extension rod, J 35668, and remove strut bumper.
6. Install jounce washer, P/N 10403367, as shown in illustration, and snap into position over strut closure nut.
7. Install jounce bumper.
8. Raise strut shaft and remove strut extension rod, J 35668.
9. Install strut mount insulator.
^ Use a soap solution to lubricate insulator for ease of installation.
^ If necessary, install J 35668 after insulator is partially installed and position strut as required to assist in insulator installation.
10. Install shaft nut using No. 50 torx bit and nut remover/installer, J 35669.
11. Torque shaft nut to 98 N.m (72 lb ft).
12. Install strut mount cover and nuts, align scribe marks and torque cover nuts to 33 N.m (24 lb ft).
13. Repeat steps 2 through 12 for front strut on opposite side of vehicle.
Parts Information
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation Labor Time
E3917 0.6 hr