Campaign - Radiator Hose

91chevy01

AM90-349


TO: THE FOLLOWING NON-DEALER RECIPIENTS:


BRANCH MANAGERS MARKETING CENTER MANAGERS DEALER ASSISTANCE CENTER MANAGERS SERVICE & CUSTOMER SATISFACTION MANAGERS FIELD SERVICE ENGINEERS


ORIGINATING DEPARTMENT: TECHNICAL SERVICE


ADMINISTRATIVE MESSAGE 01-351 CREATED ON 12/7/90 AT PAGE 1 OF 1

TO: ALL CHEVROLET DEALERS


ATTENTION: SERVICE & PARTS MANAGERS

SUBJECT: PRODUCT CAMPAIGN 91C05 ENGINE UPPER COOLANT (RADIATOR INLET) HOSE 1991 CORVETTE WITH L98 (STANDARD) ENGINE

CERTAIN 1991 CHEVROLET CORVETTE MODEL VEHICLES WITH L98 (STANDARD) ENGINES, WITHIN THE FOLLOWING VIN BREAKPOINTS, MAY HAVE BEEN BUILT WITH ENGINE UPPER COOLANT (RADIATOR INLET) HOSES WHICH CONTACT THE ACCESSORY DRIVE BELT. IF THIS CONDITION CONTINUES TO EXIST; ENGINE COOLANT LOSS DUE TO HOSE WEAR THROUGH MAY OCCUR.

VEHICLES INVOLVED
PLANT
YEAR MODEL PLANT CODE FROM THROUGH

1991 Y-CAR BOWLING GREEN "5" M5100001 M5103689

THIS CAMPAIGN INVOLVES APPROXIMATELY 3,700 VEHICLES.

TO CORRECT THIS CONDITION, DEALERS ARE TO REPLACE THE CURRENT UPPER COOLANT HOSE WHICH WILL ALLOW FOR GREATER CLEARANCE OF THE ACCESSORY DRIVE BELT, ON ALL INVOLVED VEHICLES, ACCORDING TO SERVICE PROCEDURES CONTAINED IN THE DEALER CAMPAIGN BULLETIN.

PARTS (P/N 10135652 ENGINE UPPER COOLING HOSE) REQUIRED TO COMPLETE THIS CAMPAIGN ARE TO BE OBTAINED FROM GENERAL MOTORS SERVICE PARTS OPERATIONS (GMSPO). TO ENSURE THESE PARTS WILL BE OBTAINED AS SOON AS POSSIBLE, THEY SHOULD BE ORDERED FROM GMSPO ON A "C.I.O." ORDER WITH NO SPECIAL INSTRUCTION CODE, BUT ON AN ADVISE CODE (2).


DEALER CAMPAIGN BULLETINS AND INVOLVED VIN LISTINGS WERE MAILED ON DECEMBER 6, 1990. OWNER NOTIFICATION LETTERS WILL BE MAILED ON DECEMBER 11, 1990.


PLEASE COMMUNICATE THIS INFORMATION TO YOUR SERVICE AND PARTS MANAGERS.