Engine Controls - Manual Update Revised Chart C-4

Group Ref.: Engine Fuel & Emission
Bulletin No.: 316517
Date: January, 1994

SERVICE MANUAL UPDATE

SUBJECT:
SECTION 6E3 - DRIVEABILITY AND EMISSIONS

MODELS:
1993 BUICK LESABRE, PARK AVENUE, RIVIERA, REGAL
1993 CHEVROLET LUMINA APV
1993 OLDSMOBILE EIGHTY EIGHT, NINETY EIGHT, SILHOUETTE
1993 PONTIAC BONNEVILLE, TRANS SPORT WITH 3800 ENGINE (VINS L, 1 - RPOS L27, L67)





This bulletin revises Service Manual Section 6E3, "Driveability and Emissions". The Crankshaft Sensor is no longer adjustable and the harmonic balancer has been revised. Special Tool J-37089 can no longer be used to check crank sensor position or harmonic balancer "Interrupter Rings". Please remove all references to the J-37089 tool found on these pages, see illustration.