Engine - Drive Belt Repeated Failure
85-1266
SEPT., 1985
Subject: ALTERNATOR DRIVE BELT FAILURES
Model and Year: 1985 IMPALA, CAPRICE, CAMARO AND MONTE CARLO'S WITH LB4 (4.3L) VIN CODE Z, LG4 (5.0L) VIN CODE H, AND L69 (5.0L) VIN CODE G ENGINES
TO: ALL CHEVROLET DEALERS
Effective with 1985 models produced after May 1985, Impala, Caprice, Camaro and Monte Carlo's with LB4, LG4, and L69 engines will use a five (5) rib Poly-Vee alternator belt and associated pulleys. Vehicles returned for service due to customer comments of belt slippage and/or belt failure can be handled successfully with proper belt usage and tensioning procedures.
On vehicles returned for service due to repeated alternator drive belt failure, the following list of replacement pulleys are released for service. The same Poly-Vee belt, P/N 14088983, and alternator pulley, P/N 10495231, will be used in all instances.
CANCELLED PART NO. REPLACEMENT PART NO. PART NAME
14023148 14088682 Crankshaft Pulley
14023145 14088683 Crankshaft Pulley
14037739 14088684 Water Pump Pulley
14037740 14088685 Water Pump Pulley
Labor Operation Number: T1140
Labor Time: .7 Hours (Add .1 Hour with A/C)