THIS BULLETIN IS BEING ISSUED TO REVISE THE REAR DISC BRAKE ROTOR SPECIFICATIONS LISTED IN SECTION 5B2 OF THE SERVICE MANUAL. THE CORRECT SPECIFICATIONS FOR THE ROTOR ARE AS FOLLOWS:
ROTOR DIAMETER 295 MM (11.614 INCH)
LATERAL RUNOUT A. REAR BRAKE ROTOR (ON-VEHICLE) 0.10 MM (0.004 INCH) B. REAR AXLE SHAFT FLANGE 0.05 MM (0.002 INCH)
ROTOR THICKNESS (MAXIMUM) 20.10 MM (0.791 INCH) A. MINIMUM THICKNESS AFTER REFINISH 18.87 MM (0.743 INCH) B. DISCARD THICKNESS 18.50 MM (0.728 INCH)
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.
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