Engine - Main Bearing Cap Bolts - Breakage: Overview

Number 83-C-02 Section Date 03/83
Subject: PRODUCT CAMPAIGN 83-C-02 ENGINE MAIN BEARING CAP BOLTS MAY BREAK - 1983 2000 WITH 1.8L ENGINE
General Motors has determined that some 1983 2000 models equipped with 1.8 liter Electronic Fuel Injection/Overhead Cam engines may have been assembled with incorrect engine main bearing cap bolts. In some cases, the main bearing cap bolts could break. This could cause extensive damage to the engine crankshaft.

To prevent this from occurring, dealers are to inspect vehicles for specific engine identification and, if necessary, replace the engine main bearing cap bolts.

VEHICLES INVOLVED

Involved are some 1983 2000 models equipped with 1.8L Overhead Cam EFI 4-cylinder engine (UPC Code LH8) built within the following breakpoints:

BEGINNING
PLANT V.I.N. UP TO AND INCLUDING

1983 Lordstown D7221900 D7227231

Some vehicles with V.I.N.'s within the above listed range of numbers were corrected at the assembly plant and will not appear on the V.I.N. printout.