SMU - SECTION 6E - REVISED ENHANCED IGNITION SYSTEM. Chevrolet Blazer

SUBJECT: SERVICE MANUAL UPDATE - SECTION 6E - ENGINE CONTROLS REVISED ENHANCED IGNITION SYSTEM DESCRIPTION AND OPERATION

MODELS: 1995-97 CHEVROLET AND GMC S/T, M/L, C/K, GMT600, P MODELS 1996-97 OLDSMOBILE BRAVADA WITH 4.3L, 5.0L, 5.7L, 7.4L ENGINE (VINS W, M, R, J - RPOS L35, L30, L31, L29)

THIS BULLETIN IS BEING ISSUED TO INFORM TECHNICIANS OF A REVISION TO THE ENHANCED IGNITION SYSTEM DESCRIPTION AND OPERATION. THE DISTRIBUTOR IS NOW REPAIRABLE. TECHNICIANS WILL BE REFERRED TO DISTRIBUTOR OVERHAUL IN ENGINE ELECTRICAL FOR PROPER REPAIR AND REPLACEMENT OF ALL COMPONENTS.

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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.