SMU - SECTION 5F1, ELECTRIC/ AUTO APPLY PARKING BRAKE. GMC Truck GMC P42 Commercial Chassis 1997

SUBJECT: SERVICE MANUAL UPDATE - SECTION 5F1, ELECTRIC/AUTO APPLY PARKING BRAKE - REVISED GENERAL DESCRIPTION, DIAGNOSTIC CHART, AND SYSTEM ADJUSTMENT PROCEDURES

MODELS: 1995-97 CHEVROLET AND GMC P3 MODELS

THIS BULLETIN REVISES THE GENERAL DESCRIPTION, DIAGNOSIS OF THE ELECTRIC/AUTO APPLY PARKING BRAKE SYSTEM, AND SYSTEM ADJUSTMENT PROCEDURES FOR THE 1995, 1996 AND 1997 P32/P42 SERVICE MANUAL.

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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.