SOME OWNERS MAY COMMENT ON A SNAP/POP TYPE NOISE AUDIBLE IN THE VEHICLE'S PASSENGER COMPARTMENT. THE NOISE CONDITION IS MOST APPARENT AT SLOW SPEED OPERATION DURING A COMBINATION OF BRAKING/STEERING INPUTS AND TYPICALLY CAN BE DUPLICATED AS FOLLOWS:
O OPERATE VEHICLE AT LOW SPEED AND APPLY A FIRM, STEADY BRAKING INPUT.
O AFTER COMING TO A COMPLETE STOP, QUICKLY APPLY A TURNING INPUT WHILE THE STRUTS ARE STILL UNDER THE BRAKING FORCE (IN COMPRESSION).
O SNAP/POP NOISE SHOULD BE APPARENT AT TIME OF TURNING INPUT.
A NUMBER OF FRONT STRUT ASSEMBLIES WERE PRODUCED IN SUCH A MANNER THAT THE INNER STRUT TUBE MAY MOVE SLIGHTLY DURING LATERAL AND/OR FORE/AFT LOADING. THIS MOVEMENT MAY RESULT IN THE INNER TUBE CONTACTING THE OUTER STRUT TUBE INTERNALLY CAUSING THE SNAP/POP NOISE.
INSPECT BOTH FRONT STRUT ASSEMBLIES AND DETERMINE THE JULIAN BUILD DATE OF EACH STRUT.
JULIAN BUILD DATE INFORMATION IS CONTAINED IN THE SECOND LINE OF NUMBERS STAMPED ON THE LOWER INBOARD AREA OF THE STRUT OPPOSITE THE STRUT/KNUCKLE ATTACHMENT AND ARE UNDERLINED IN THE EXAMPLE BELOW.
EXAMPLE: XXXXXXXX XXX226XX ---
JULIAN DATE - (FORTH, FIFTH AND SIXTH CHARACTERS IN SECOND LINE)
THOSE STRUTS THAT HAVE BEEN IDENTIFIED AS HAVING BEEN BUILT BETWEEN JULIAN DATES 226 THROUGH 267 SHOULD BE REPLACED WITH NEW STRUTS, P/N 22064748, FOLLOWING THE APPLICABLE PROCEDURE IN SECTION 3C, FRONT SUSPENSION, OF THE SERVICE MANUAL.
PARTS ARE EXPECTED TO BE AVAILABLE DECEMBER 1, 1997.
FOR VEHICLES REPAIRED UNDER WARRANTY, USE:
LABOR OPERATION NUMBER: E3850 (RIGHT) E3851 (LEFT) E3857 (BOTH) USE PUBLISHED LABOR OPERATION TIME.
FIGURES: 00 ATTACHMENTS: 00
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.
COPYRIGHT 1997 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.