DRIVELINE VIBRATION ON HEAVY ACCEL. (REPL. FRT. COIL SPRG.). Buick Regal 1994

SUBJECT: DRIVELINE VIBRATION ON HEAVY ACCELERATION (REPLACE FRONT COIL SPRINGS)

MODELS: 1994 BUICK REGAL WITH 3.8L V-6 ENGINE (RPO L27) AND BASE SUSPENSION SYSTEM (RPO FE1)

CONDITION:

SOME VEHICLES ASSEMBLED PRIOR TO VIN BREAKPOINTS INDICATED BELOW, MAY EXHIBIT A DRIVELINE VIBRATION EVIDENT DURING HEAVY ACCELERATIONS.

VIN BREAKPOINTS

COUPE - 2G4WD15LXR1431195

SEDAN - 2G4WD55L1R1430048

CAUSE:

FRONT SUSPENSION SPRING SELECTION MAY HAVE RESULTED IN A LARGER THAN DESIRABLE AXLE SHAFT DRIVELINE ANGLE, THAT MAY CAUSE A VIBRATION APPARENT IN THE VEHICLE PASSENGER COMPARTMENT.

CORRECTION:

FROM CHART BELOW, SELECT APPLICABLE FRONT COIL SPRING CODE/PART NUMBER FOR SPRINGS ONE LOAD RATE LOWER THAN EXISTING SPRINGS AND INSTALL IN VEHICLE FOLLOWING APPLICABLE SERVICE MANUAL, SECTION 3C, FRONT SUSPENSION.

NOTE: FRONT COIL SPRING CODE CAN BE ACQUIRED FROM TAGS ON EXISTING SPRINGS OR FROM THE VEHICLE "SERVICE PART IDENTIFICATION LABEL".

SERVICE SPRING CODES/PART NUMBER

CODE PART NUMBER

FWW 14100178 (+) HIGHEST LOAD RATE FUZ 14100177 (REFERENCE ONLY, THIS FUY 14100176 P/N NOT SERVICED BY FUX 14100175 GMSPO) FUW 14100174 (-) LOWEST LOAD RATE

PART AVAILABILITY:

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE: LABOR OPERATION: E3027 USE PUBLISHED LABOR OPERATION TIME.

FIGURES: 0

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.