VEHICLE VIBRATION IN REVERSE GEAR (REVISED ENGINE MOUNTS). Geo Sprint 1991

SUBJECT: VEHICLE VIBRATION IN REVERSE GEAR (REVISED ENGINE MOUNTS)

MODELS: 1991-92 GEO METRO WITH 1.0L ENGINE (RPO LP2) AND A/T

CONDITION:

SOME OWNERS MAY COMMENT ABOUT VEHICLE VIBRATION WITH THE TRANSMISSION PLACED IN REVERSE GEAR.

CAUSE:

POOR ISOLATION BETWEEN THE ENGINE/TRANSAXLE ASSEMBLY AND THE VEHICLE STRUCTURE.

CORRECTION:

FLUID FILLED ENGINE MOUNTS INCORPORATED IN SOME 1991 AND IN 1992 METRO'S WERE REPLACED WITH A REVISED DESIGN BEGINNING WITH EARLY 1992 PRODUCTION. THESE 2ND DESIGN MOUNTS ARE DIRECTLY INTERCHANGEABLE WITH THE EARLIER FLUID FILLED DESIGN.

VEHICLES EQUIPPED WITH AUTOMATIC TRANSMISSION WITH A CONFIRMED DIAGNOSIS OF REVERSE VIBRATION AND EQUIPPED WITH THE 1ST DESIGN ENGINE MOUNTS SHOULD HAVE THE MOUNTS REPLACED WITH 2ND DESIGN MOUNTS, P/N 30009342 RH, AND 30009343 LH.

VIN BREAKPOINTS

2C1MR2467M6782776 1ST DESIGN 2C1MR2463N6705744 2ND DESIGN

PART AVAILABILITY:

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION:

LABOR OPERATION: J1502 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.