For 1990-2009 cars

# OVERHEATED PLASTIC SMELL OR 'SES' LIGHT MAY BE ON

#### SUBJECT: OVERHEATED PLASTIC SMELL, OR "SES" LIGHT MAY BE ON (REPAIR WIRING, ADD TIE STRAP)

#### MODELS: 1994 BUICK CENTURY 1994 OLDSMOBILE CIERA

#### CONDITION:

SOME CUSTOMERS MAY COMMENT ON A SMELL OF OVERHEATED PLASTIC, AND THE SERVICE ENGINE SOON (SES) LIGHT MAY BE ON.

#### NOTE: CANADIAN OLDSMOBILE CIERA'S DO NOT USE THE "SES" LETTERS ON THE WARNING LAMP. THEY USE AN INTERNATIONAL SYMBOL OF AN ENGINE (SEE OWNER'S MANUAL).

#### CAUSE:

THE ENGINE WIRE HARNESS, UNDER CERTAIN BUILD CONDITIONS, MAY CONTACT THE EXHAUST PIPE SHIELD. THE HEAT MAY MELT THROUGH THE WIRE HARNESS CONDUIT, AND SOMETIMES THROUGH THE WIRE INSULATION, CAUSING A SHORT IN AN ENGINE CONTROL CIRCUIT. A PRODUCTION CHANGE WAS INCORPORATED AFTER THE FOLLOWING VIN'S TO ELIMINATE THIS CONDITION.

R6408523 BUICK - OKLAHOMA CITY RS601859 BUICK - RAMOS R6311169 OLDSMOBILE - OKLAHOMA CITY

#### CORRECTION:

REPAIR THE WIRE HARNESS AS NEEDED. ADD A TIE STRAP, AT LEAST 14" LONG, IN THE AREA SHOWN, TO PREVENT THE WIRE HARNESS FROM TOUCHING THE SHIELD. P/N 12355068, OR EQUIVALENT, CAN BE USED.

#### PART AVAILABILITY:

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

#### WARRANTY INFORMATION:

LABOR OPERATION: N6270 LABOR TIME: USE APPLICABLE PUBLISHED TIME

FIGURES: 1

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 1993 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.