SMU-SECTION E -ENGINE CONTROLS REVISED HO2S REFERENCES. GMC Truck Safari

SUBJECT: SERVICE MANUAL UPDATE - SECTION 6E - ENGINE CONTROLS REVISED HO2S REFERENCES IN COMPONENT LOCATION TABLE

MODELS: 1997 CHEVROLET AND GMC M/L MODELS WITH 4.3L ENGINE (VIN W - RPO L35)

THIS BULLETIN IS BEING ISSUED TO REVISE THE HO2S LOCATIONS FOUND ON PAGE 6E-34 IN THE 1997 M/L VAN SERVICE MANUAL, BOOK 2 OF 2. THE REVISED HO2S LOCATIONS ARE AS FOLLOWS:

BANK 1 SENSOR 1 - LEFT FRONT EXHAUST Y-PIPE BANK 2 SENSOR 1 - RIGHT FRONT EXHAUST Y-PIPE BANK 1 SENSOR 2 - JUST FORWARD OF THE THREE WAY CATALYTIC CONVERTER BANK 1 SENSOR 3 - EXHAUST PIPE BETWEEN THE THREE WAY CATALYTIC CONVERTER AND MUFFLER

FIGURES: 00 ATTACHMENTS: 00

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.