For 1990-2009 cars

# SERV MANUAL UPDATE-SEC.6E3 DRIVEABILITY & EMISSIONS

THE ECM CONTROLLED HOT LIGHT CHART C-16 WAS INADVERTENTLY OMITTED FROM SECTION 6E3 "DRIVEABILITY AND EMISSIONS" OF THE 1989-91 "A" CAR AND THE 1990 "N" CAR SERVICE MANUALS FOR VEHICLES EQUIPPED WITH A 3300 (VIN N) ENGINE. USE THE ATTACHED PAGES TO DIAGNOSE A COOLANT TEMP/HOT LIGHT CIRCUIT FOR THE VEHICLES INVOLVED.

DISCLAIMER

COPYRIGHT 1990 GENERAL MOTORS CORPORATION ALL RIGHTS RESERVED

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.