MILD SHUTTER OR SAIL-ON 40 TO 60 MPH (64 TO 96 KMPH), STALL. Chevrolet Impala 1995

REVISION: 10/30/96

THIS BULLETIN IS BEING REVISED TO ADD 1996 MODEL YEAR AND TO ADD APPLICATIONS. PLEASE DISCARD BULLETIN 57-65-16 (SECTION 6E-- ENGINE FUEL AND EMISSION). ----------------------------------------------------------------------

REVISION: 12/03/96

THIS BULLETIN IS BEING REVISED TO CHANGE TITLE/SUBJECT AND TO UPDATE CONDITION STATEMENT AND PARTS INFORMATION. PLEASE DISCARD CORPORATE BULLETIN NUMBER 57-65-16 (SECTION 6E - ENGINE FUEL AND EMISSION). ----------------------------------------------------------------------

SUBJECT: MILD SHUTTER OR SAIL-ON 40 TO 60 MPH (64 TO 96 KMPH), STALL IN REVERSE (REFLASH CALIBRATION)

MODELS: 1994-96 CHEVROLET CAPRICE WITH 4.3L ENGINE (VIN W - RPO L99) AND 4L60-E AUTOMATIC TRANSMISSION

CONDITION:

SOME VEHICLES MAY EXHIBIT A MILD SHUTTER OR A SAIL-ON CONDITION ON INITIAL DECELERATION BETWEEN 40 TO 60 MPH (64 TO 96 KMPH), OR AN ENGINE STALL WHEN BACKING UP AND THE STEERING WHEEL IS IN A FULL TURN POSITION.

CORRECTION:

INSTALL THE PROPER FLASH CALIBRATION LISTED FROM THE TABLE BELOW. FLASH CALIBRATION WILL BE AVAILABLE ON CD #19. IMPORTANT: A NEW FLASH CALIBRATION WAS DEVELOPED FOR USE ONLY IN CANADIAN POLICE VEHICLES TO OBTAIN PROPER VEHICLE SPEED.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OPERATION: J6355 LABOR TIME: USE PUBLISHED LABOR OPERATION TIME.

PARTS INFORMATION

NEW OLD ENGINE MODEL CALIBRATION CALIBRATIONAXLE TYPE YEAR NUMBER NUMBER TYPE APPLICATION EMISSIONS ______ _____ ___________ _________ ____ ___________ _________ 4.3L 1994 16230191 16214741 2.73 DOMESTIC FED/CAL 4.3L 1994 16210981 16200351 3.23 POLICE FED/CAL 4.3L 1994 16210971 16193281 3.23 DOMESTIC FED/CAL

4.3L 1995 16245541 16230341 3.23 DOM/TAXI CALIFORNIA 4.3L 1995 16245531 16230351 3.23 DOM/TAXI FEDERAL 4.3L 1995 16245511 16230231 2.93 DOMESTIC FEDERAL 4.3L 1995 16245521 16230241 2.93 DOMESTIC CALIFORNIA 4.3L 1995 16245551 16230331 3.23 POLICE FEDERAL 4.3L 1995 16230321 16209431 3.23 EXPORT LEAD FUEL

4.3L 1996 16235321 16231061 2.93 DOMESTIC CANADA 4.3L 1996 16235311 16231101 2.93 DOMESTIC FED/CAL 4.3L 1996 16245591 16231081 3.23 DOMESTIC FED/CAL 4.3L 1996 16245571 16231071 3.23 POLICE FED/CAL 4.3L 1996 16245581 16231111 3.23 DOMESTIC CANADA 4.3L 1996 16250351 N/A 3.23 POLICE CANADA

FIGURES: 0 ATTACHMENTS: 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.