SMU - SECTION 6A6 - ENGINE SPEC. CHART/VALVE PROTRUSION. GMC Truck GMC P RV/Van/Commercial Chassis 1994

SUBJECT: SERVICE MANUAL UPDATE - SECTION 6A6 - ENGINE SPECIFICATION CHART - VALVE PROTRUSION

MODELS: 1994-95 CHEVROLET AND GMC C/K TRUCK, G VAN, AND PG AND P3 CHASSIS WITH 6.5L DIESEL ENGINE (VINS F, P, S, Y - RPOS L65, L49, L56, L57)

THE ENGINE SPECIFICATION CHART IS REVISED TO INCLUDE THE FOLLOWING VALVE PROTRUSION SPECIFICATIONS.

VALVE PROTRUSION (NEGATIVE INTAKE -0.86 TO -1.22 MM BECAUSE VALVE IS RECESSED EXHAUST -0.86 TO -1.22 MM IN HEAD)

FIGURES: 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.