FRONT SUSPENSION SCRUNCH/POP NOISE. Buick Regal 1994

REVISION: 05/12/97 DIVS INVL 1 2 3 4 7

THIS BULLETIN IS BEING REVISED TO ADD THE 1997 MODEL YEAR FOR CHEVROLET AND OLDSMOBILE AND TO REVISE PART NUMBER INFORMATION. PLEASE DISCARD CORPORATE BULLETIN #53-33-07 (SECTION 3 - STEERING/SUSPENSION). ______________________________________________________________________

REVISION: 06/24/98 DIVS INVL 1 2 3 4 7

THIS BULLETIN IS BEING REVISED TO ADD THE 1998 MODEL YEAR FOR CHEVROLET. PLEASE DISCARD CORPORATE BULLETIN #53-33-07A (SECTION 3 - STEERING/SUSPENSION). ______________________________________________________________________

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

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 BELOW:

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 NUMBER: E3917 LABOR TIME: 0.6 HR

FIGURES: 01 ATTACHMENTS: 00

FIGURE 1 1. STRUT BUMPER 2. JOUNCE WASHER 3. STRUT CLOSURE NUT 4. STRUT ASSEMBLY

Object Number: 93564 Size: FS

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.