---------------------------------------------------------------------- SERVICE MANUAL UPDATE ----------------------------------------------------------------------
BUILT AFTER VIN BREAKPOINTS: BUICK: 2G4WB52M4S1446968 CHEVROLET: 2G1WL52M3S9224590 (PLANT 1) CHEVROLET: 2G1WL52M451142110 (PLANT 2) OLDSMOBILE: 1G3WH52M7SD365979 PONTIAC: 1G2WJ52M7SF266835
THE FOLLOWING INFORMATION IS TO BE ADDED TO SECTION 5B1 OF THE SERVICE MANUAL.
DIMENSIONS
NEW ROTOR CHANGE AND DIMENSIONS FOR 1995-1/2 VEHICLES. THE NEW DIAMETER IS 284.5 MM (11.200") AND THE OLD DIAMETER WAS 256.5 MM (10.098").
ROTOR DIAMETER (NEW) 284.5 MM (11.200") MAXIMUM LATERAL RUN-OUT 0.080 MM (0.003") MAXIMUM TRANSVERSE RUN-OUT 0.013 MM (0.0005") MAXIMUM SCORING 1.52 MM (0.060") ROTOR THICKNESS (NEW) 26.4 MM (1.039") MINIMUM ROTOR THICKNESS (NEW) 24.7 (0.972") DISCARD THICKNESS (NEW) 24.3 MM (0.956") MINIMUM WEAR STOCK 0.38 MM (0.015")
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.
COPYRIGHT 1995 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.