Oil Filter Bypass Valve - Revised

Number: 83-I-99

Section: VI

Date: July, 1983
Subject: OIL FILTER BYPASS VALVE 2.5L L4

ENGINE (VIN CODE R) - 1982-83

CELEBRITY AND CITATION


TO: ALL CHEVROLET DEALERS

Check Valve Assembly:

When a repair requires replacement of the engine block, it will be necessary to remove the oil filter bypass valve assembly and reinstall it in the new block. If a new oil filter bypass check valve assembly is required, it will be necessary to order P/N 25010497 thru WDDGM (refer to the illustration below).