INFORMATION ON BRAKE SERVICE AND MAINTENANCE. GMC Truck GMC MD Conventional (C Model) 1990

SUBJECT: INFORMATION ON BRAKE SERVICE AND MAINTENANCE - RECOMMENDED AEROSHELL #5 LUBRICANT

MODELS: 1990-97 CHEVROLET AND GMC MEDIUM DUTY TRUCKS AND B6, B7 B7 SCHOOL BUSSES WITH HYDRAULIC BRAKES (RPO JE3)

THE MEDIUM DUTY TRUCK AND CHASSIS MAINTENANCE SCHEDULE, THE MEDIUM DUTY TRUCK SERVICE MANUAL AND TRUCK SERVICE BULLETIN # 92-5-143 (CORPORATE BULLETIN NUMBER 265004) DATED NOVEMBER, 1992 RECOMMEND AEROSHELL # 5 LUBRICANT BE APPLIED TO THE CALIPER HOUSING, SUPPORT SPRING, AND CALIPER SLIDE SURFACES EVERY 18,000 MILES OR 6 MONTHS, WHICHEVER OCCURS FIRST, AND WHENEVER SERVICING THE BRAKE CALIPERS. VEHICLES OPERATED OFF PAVED ROADS MAY REQUIRE MORE FREQUENT INSPECTION AND SERVICE DUE TO DUST INTRUSION AND THE INCREASED PROBABILITY OF CORROSION OF THE SLIDE RAILS WHICH MAY CAUSE STUCK CALIPERS, SHORTENED LINING LIFE OR REDUCED BRAKE PERFORMANCE.

UNTIL RECENTLY, AEROSHELL #5 LUBRICANT WAS ONLY AVAILABLE FROM AN AUTHORIZED SHELL DEALER BUT IS NOW ALSO AVAILABLE FROM GMSPO IN 14 OUNCE TUBES.

PARTS INFORMATION

P/N DESCRIPTION QTY

12377969 AEROSHELL #5 LUBRICANT 1 (14 OZ. TUBE)

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

FIGURES: 0

CAPTIONS: 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.