SMU - SECTION 6E2 & 6E3 - DRIVEABILITY & EMISSIONS. Geo Tracker

SUBJECT: SERVICE MANUAL UPDATE-SECTION 6E2 AND 6E3-DRIVEABILITY AND EMISSIONS-REVISED DTC 51 EXHAUST GAS RECIRCULATION (EGR) CIRCUIT AND EGR VALVE INSPECTION

MODELS: 1992-95 CHEVROLET GEO TRACKER WITH 1.6L ENGINE (VINS U AND 6 - RPOS LS5 AND LO1)

THIS BULLETIN IS BEING ISSUED TO REVISE THE DIAGNOSTIC CHART FOR DTC 51 EXHAUST GAS RECIRCULATION (EGR) CIRCUIT AND THE EGR VALVE INSPECTION IN THE ON VEHICLE SERVICE SECTION OF THE FOLLOWING SERVICE MANUALS:

* 1992 GEO TRACKER SERVICE MANUAL, PAGES 6E2-A-61 AND 6E2-C7-3 * 1993 GEO TRACKER SERVICE MANUAL, PAGES 6E2-A-61 AND 6E2-C7-3 * 1994 GEO TRACKER SERVICE MANUAL, PAGES 6E2-A-61, 6E3-A-71 AND 6E2-C7-3 * 1995 GEO TRACKER SERVICE MANUAL, PAGES 6E2-A-61, 6E3-A-71 AND 6E2-C7-3

FIGURES: 00 ATTACHMENTS: 02

Object Number: 77751 Size: FS

Object Number: 76165 Size: FS

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.