BELT NOISE/RATTLE(REPL. WITH NEW SERPENTINE BELT)

SUBJECT: BELT NOISE AND/OR RATTLE (REPLACE WITH NEW SERPENTINE BELT)

VEHICLES AFFECTED: 1993 "D" CAR WITH 5.7L ENGINE (RPO LO5 - VIN 7)

THIS BULLETIN SUPERSEDES AND REPLACES CORPORATE BULLETIN REFERENCE NUMBER 376106.** THIS BULLETIN IS BEING REVISED TO CHANGE THE CANADIAN BULLETIN NUMBER FROM 93-6A-129 TO 93-6A-136.

CONDITION:

--------- Some 1993 model year Cadillac Fleetwood vehicles with L05 (5.7L VIN 7) V8 engines and standard cooling systems (RPO V03) may experience serpentine belt resonance and/or a rattle sound from the serpentine belt tensioner assembly (type 213 only).

The above condition may or may not be initiated by air conditioner compressor operation. This bulletin covers all 1993 model year vehicle production through VIN 1G6DW5273PR721296.

CAUSE:

----- Dusting and/or pilling of the serpentine belt.

CORRECTION:

---------- A new serpentine belt has been released to address this condition.

Verify the P/N of the serpentine belt. If the P/N is 15589756 (Mfg - Goodyear), remove the belt as described in Section 6A4 of the service manual. Replace the belt with the following:

Serpentine Belt P/N 10236896 (Mfg - Gates)

For vehicles repaired under warranty use:

Labour Operation: J0667 Labour Time: 0.2 Hours

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.