SMU - SECTION 6A - ENGINE MECHANICAL - CRANKSHAFT. GMC Truck GMC P RV/Van/Commercial Chassis 1996

SUBJECT: SERVICE MANUAL UPDATE-SECTION 6A-ENGINE MECHANICAL- CRANKSHAFT BALANCER REMOVER/INSTALLER TOOL INCORRECTLY REFERENCED

MODELS 1990-96 CHEVROLET AND GMC TRUCK S/T, M/L, C/K, P, AND G MODELS 1991-94 OLDSMOBILE BRAVADA 1996 OLDSMOBILE BRAVADA

THE CRANKSHAFT BALANCER REMOVER/INSTALLER TOOL J39046 LISTED IN SOME 1990-96 SERVICE INFORMATION SECTIONS 6A2, 6A3, 6A4, 6A5, 6A6, 6A7, 6A2B, 6A3B, 6A4B, 6A5B, AND 6A6B IS INCORRECTLY REFERENCED.

THE CORRECT TOOL NUMBER FOR THE TRUCK MODELS LISTED ABOVE IS J 23523-F OR EQUIVALENT.

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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.