SMU-SEC. 6E ENG CONT REV. TO ADD DTC P1643. GMC Truck Export Savana 1997

For 1990-2009 cars

# SMU-SEC. 6E ENG CONT REV. TO ADD DTC P1643

#### SUBJECT: SERVICE MANUAL UPDATE - SECTION 6E - ENGINE CONTROLS REVISED TO ADD DTC P1643 TO THE 1997 G VAN SERVICE MANUAL

#### MODELS: 1997 CHEVROLET AND GMC G VAN WITH 6.5L ENGINE (VIN F - RPO L65)

THIS BULLETIN IS BEING ISSUED TO REVISE THE 1997 G VAN SERVICE MANUAL TO ADD DTC P1643.

PLEASE ADD THIS ATTACHMENT TO YOUR SERVICE MANUAL.

FIGURES: 00 ATTACHMENTS: 02

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.

COPYRIGHT 1997 GENERAL MOTORS CORPORATION ALL RIGHTS RESERVED.