CAMPAIGN: TIMING BELT FAILURE BELT MAY CONTACT BELT COVER

GENERAL MOTORS HAS DETERMINED THAT SOME 1982-1983 2000 MODELS EQUIPPED WITH 1.8 LITER ELECTRONIC FUEL INJECTION/OVERHEAD CAM 4-CYLINDER ENGINES MAY HAVE BEEN PRODUCED WITH ENGINE TIMING BELTS WHICH WERE INADEQUATELY TENSIONED DURING MANUFACTURE. LOW TENSION CAN ALLOW THE TIMING BELT TO CONTACT THE BELT COVER. THIS CAN CAUSE NOISE, AND WILL EVENTUALLY RESULT IN FAILURE OF THE TIMING BELT COGS. WITH A FAILED TIMING BELT, THE ENGINE MAY NOT START OR RUN. TO CORRECT THIS CONDITION, DEALERS ARE TO REPLACE THE TIMING BELT AND TENSION THE NEW BELT TO A HIGHER SPECIFICATION. VEHICLES INVOLVED INVOLVED ARE ALL 1982 2000 MODELS EQUIPPED WITH 1.8L EFI/OVERHEAD CAM 4-CYLINDER ENGINES (OPTION CODE LH8). ALSO, INVOLVED ARE ALL 1983 2000 MODELS EQUIPPED WITH 1.8L EFI/ OVERHEAD CAM 4-CYLINDER ENGINE (UPC CODE LH8 BUILT WITHIN THE FOLLOWING BREAKPOINTS: PLANT BEGINNING V.I.N. UP TO AND INCLUDING 1983 LORDSTOWN SOP D7226792 DEALER CAMPAIGN RESPONSIBILITY DEALERS ARE TO REPLACE THE TIMING BELT ON VEHICLES INVOLVED. DEALERS ARE TO SERVICE ALL VEHICLES SUBJECT TO THIS CAMPAIGN AT NO CHARGE TO OWNERS, REGARDLESS OF MILEAGE, AGE OF VEHICLE, OR OWNERSHIP, FROM THIS TIME FORWARD. WHENEVER A VEHICLE SUBJECT TO THIS CAMPAIGN IS TAKEN INTO YOUR USED VEHICLE INVENTORY, OR IT IS IN YOUR DEALERSHIP FOR SERVICE IN THE FUTURE, YOU SHOULD TAKE THE STEPS NECESSARY TO BE SURE THE CAMPAIGN CORRECTION HAS BEEN MADE BEFORE RESELLING OR RELEASING THE VEHICLE. OWNER NOTIFICATION OWNERS OF VEHICLES INVOLVED IN THIS CAMPAIGN WILL BE NOTIFIED BY PONTIAC MOTOR DIVISION (COP OF OWNER LETTER INCLUDED WITH THIS BULLETIN). SERVICE PROCEDURE WHENEVER A TIMING BELT IS REPLACED ON THE SUBJECT ENGINE, IT MUST BE ADJUSTED WHEN THE ENGINE IS HOT ONLY (THERMOSTAT OPEN). IF A CYLINDER HEAD IS REMOVED AND A NEW HEAD GASKET INSTALLED, BEFORE FINAL TENSION OF THE BELT CAN BE COMPLETED, THE ENGINE SHOULD BE WARMED-UP TO NORMAL OPERATING TEMPERATURE (THERMOSTAT OPEN) THEN RETORQUE THE CYLINDER HEAD IN THE PROPER SEQUENCE AS DESCRIBED IN CYLINDER HEAD INSTALLATION IN THE APPROPRIATE SERVICE MANUAL. TENSIONS SPECIFICATIONS BELT TENSION WITH ENGINE HOT 150N THE TIMING BELT TENSION GAGE, J-26486-A, WAS AN ESSENTIAL TOOL INCLUDED ORIGINALLY IN THE T1000 TOOL PACKAGE WHICH DEALERS RECEIVED APPROXIMATELY MARCH, 1981. THIS SAME TOOL WAS APPLIED TO THE NEW 2000 (LH8) ENGINE WHEN IT WAS RELEASED. BECAUSE OF THE IMPORTANCE OF CORRECT BELT TENSIONING, IT IS IMPERATIVE ALL DEALERS HAVE A GAGE WHICH IS ACCURATELY CALIBRATED. TIMING BELT R AND R PROCEDURE - SEE PONTIAC# 86-6(GAS)-34 EACH VEHICLE MODIFIED IN ACCORDANCE WITH THE INSTRUCTIONS OUTLINED IN THIS SERVICE PROCEDURE WILL REQUIRE A CAMPAIGN IDENTIFICATION LABEL. EACH LABEL PROVIDES A SPACE TO INCLUDE THE CAMPAIGN NUMBER, THE FIVE- DIGIT DEALER CODE OF THE DEALER PERFORMING THE CAMPAIGN SERVICE, AND THE DATE VEHICLE WAS CAMPAIGNED. THIS INFORMATION MAY BE INSERTED WITH A TYPEWRITER OR BALLPOINT PEN. INSTALL THE LABEL ON THE FAN SHROUD WHERE IT IS READILY VISIBLE. PARTS INFORMATION TIMING BELT (PART NUMBER 90122429) IS TO BE OBTAINED FROM WDDGM. TO ENSURE THIS PART WILL BE OBTAINED AS SOON AS POSSIBLE, IT SHOULD BE ORDERED FROM WDDGM ON A C.I.O. ORDER WITH NO SPECIAL INSTRUCTION CODE, BUT ORDER ON AN ADVISE CODE (2). A REPLACED TIMING BELT IS TO BE RETAINED FOR DISPOSITION BY ZONE PERSONNEL. ENCLOSED WITH THE COPY OF THIS BULLETIN A LIST OF THOSE VEHICLES INVOLVED, WHICH OUR RECORDS INDICATE ARE IN YOUR GEOGRAPHICAL AREA, IS ATTACHED. IF A VEHICLE HAS BEEN TRANSFERRED OR SOLD TO ANOTHER LOCATION, PLEASE FORWARD ANY NEW NAME AND ADDRESS OF THE VEHICLE TO YOUR PONTIAC ZONE OFFICE. RECORDING COMPLETION CAMPAIGN COMPLETION WILL BE REQUIRED FROM "PROPERLY COMPLETED AND PAID WARRANTY CLAIMS." OWNERS ARE BEING ASKED TO PRESENT THE OWNER REPLY CARD FOR IDENTIFICATION TO THEIR DEALER AT THE TIME THEY BRING IN THEIR VEHICLE TO HAVE THE CAMPAIGN PERFORMED. DEALERS SHOULD STILL SUBMIT WARRANTY CLAIMS FOR CREDIT IN THEIR NORMAL MANNER WHEN THEY PERFORM THE SERVICE AS FOLLOWS: (NOTICE: A COMPLETED WARRANTY CLAIM IS TO BE KEPT AS A PERMANENT RECORD OF COMPLETION.) WARRANTY CREDIT A SEPARATE REPAIR ORDER MUST BE USED FOR EACH VIN. LIST THE ONE (1) APPLICABLE LABOR OPERATION. TROUBLE LABOR LABOR *OTHER LABOR DESCRIPTION CODE UPC OPERATION HOURS HOURS REP. TIMING BELT 96 199-288 V1890 1.0 HR. .1 HR. WITH A/C OR P/S V1891 1.2 HR. WITH A/C AND P/S V1892 1.4 HR. *"IN ADDITION, DEALERSHIPS WILL RECEIVE 0.1 HOURS CREDIT FOR DEALER ADMINISTRATIVE SERVICES ASSOCIATED WITH THIS CAMPAIGN. THE 0.1 HOURS ALLOWANCE IS TO BE ENTERED IN THE "OTHER LABOR HOURS" FIELD WITH EACH CAMPAIGN REPAIR LISTED FOR CREDIT. PART REQUIRED IS TO BE LISTED ON YOUR WARRANTY CLAIM IN THE NORMAL MANNER. PART WILL BE CREDITED AT DEALER NET, PLUS 30% DEALER HANDLING ALLOWANCE FOR PART INSTALLED. (CREDITING) DEALERS WILL BE CREDITED VIA WARRANTY DOCUMENT OR TERMINAL TRANSMISSION, WHICHEVER IS THEIR NORMAL METHOD OF SUBMISSION FOR PAYMENT. CLAIMS MUST CONTAIN ALL INFORMATION REQUIRED AND SHOULD LIST THE LABOR OPERATION AS OUTLINED.

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.