Monte Carlo V6-231 3.8L VIN A (1984)
Drive Pulley: All Technical Service Bulletins
Accessory Drive Belt - Breaks/Comes Off Pulley
Number:
84-92
Section:
6A (VI)
Date:
Mar., 1984
Subject:
ACCESSORY DRIVE BELTS BREAKING OR COMING OFF ON 3.8L (LC3) V6 AND 5.0L (LG4, L69) V8 ENGINES
Model and Year:
1983-84 IMPALA, CAPRICE, MONTE CARLO, EL CAMINO AND 1983 MALIBU
TO:
ALL CHEVROLET DEALERS
The breaking or coming off of accessory drive belts on some subject vehicles may be due to a mismatching of the water pump and crankshaft pulley
diameters. This can cause one (1) of the belts to drag in it's groove as the mismatched system tries to drive the belt at two
(2)
different speeds.
Water Pump/Crankshaft Pulley
If the above condition is encountered, verify that the correct pulleys have been installed by referring to the illustration.
