SMU - SECTION 6E3 - DRIVEABILITY & EMISSIONS. Pontiac Grand Am 1993

SUBJECT: SERVICE MANUAL UPDATE-SECTION 6E3-DRIVEABILITY AND EMISSIONS-REVISED CHART A-3-ENGINE CRANKS BUT WILL NOT RUN

MODELS: 1993-95 BUICK SKYLARK 1993-94 CHEVROLET BERETTA 1995 CHEVROLET CAVALIER 1993-95 OLDSMOBILE ACHIEVA 1993-95 PONTIAC GRAND AM 1995 PONTIAC SUNFIRE WITH 2.3L ENGINE (VINS A, D, 3 - RPOS LD2, LGO, L40)

THIS BULLETIN IS BEING ISSUED TO REVISE CHART A-3 IN THE FOLLOWING SERVICE MANUALS: 1993-95 BUICK SKYLARK, 1995 CHEVROLET CAVALIER/ PONTIAC SUNFIRE BOOK 2 OF 2, 1993-94 CHEVROLET BERETTA, 1993-95 OLDSMOBILE ACHIEVA, 1993-95 PONTIAC GRAND AM AND THE 1995 CHEVROLET CAVALIER/PONTIAC SUNFIRE UPDATE.

A STEP IN CHART A-3 FOR THE 2.3L ENGINE DOES NOT SPECIFY WHAT STATE THE IGNITION LOCK CYLINDER SHOULD BE IN. THIS COULD LEAD THE TECHNICIAN TO INCORRECTLY DIAGNOSE THE VEHICLE.

THE SERVICE MANUALS SHOULD INSTRUCT THE TECHNICIAN TO 'TURN THE IGNITION "OFF" BEFORE TAKING THE RESISTANCE READING' AS DESCRIBED IN THE TEST, AS IT WAS "ON" IN THE PREVIOUS STEP. THE REVISION SHOULD BE COMPLETED ON THE FOLLOWING PAGES OF THE SERVICE MANUALS:

1993 BUICK SKYLARK PAGE 6E3-A-25 STEP 16 1994-95 BUICK SKYLARK PAGE 6E3-A-29 STEP 16 1993 CHEVROLET BERETTA PAGE 6E3-A-27 STEP 16 1994 CHEVROLET BERETTA PAGE 6E3-A-29 STEP 16 1995 CHEVROLET CAVALIER/ PONTIAC SUNFIRE BOOK 2 OF 2 PAGE 6E3-A-29 STEP 16 1995 CHEVROLET CAVALIER/ PONTIAC SUNFIRE UPDATE PAGE 6E3-A-38 STEP 27 1993 OLDSMOBILE ACHIEVA PAGE 6E3-A-25 STEP 16 1994-95 OLDSMOBILE ACHIEVA PAGE 6E3-A-29 STEP 16 1993 PONTIAC GRAND AM PAGE 6E3-A-25 STEP 16 1994-95 PONTIAC GRAND AM PAGE 6E3-A-29 STEP 16

PLEASE MAKE NOTE OF THIS REVISION IN YOUR SERVICE MANUALS.

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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.