Century V6-181 3.0L (1983)
Radiator Cooling Fan Motor Relay: All Technical Service Bulletins
Campaign - Engine Cooling Fan Relay May Fail
Model Year 1983
Bulletin No. 83-C-5
File in Group 80
Number 7
Date July '83
SUBJECT:
ENGINE COOLING FAN RELAY MAY FAIL
MODELS AFFECTED: 1983 CENTURYS EQUIPPED WITH 3.0L (LK9) ENGINES
General Motors has determined that some 1983 Buick Centurys were assembled with an engine cooling fan relay that may fail. A failed relay can cause
the fan motor to continue to operate with the ignition switch in the "OFF" position, resulting in a discharged battery.
DEALER CAMPAIGN RESPONSIBILITY
To prevent the possibility of this occurring, dealers are to perform the following action, as instructed in the Technical Procedure of this bulletin:
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Vehicles equipped with air conditioning, replace the fan high-speed relay with a heavy duty relay.
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Vehicles equipped with heater, less heavy duty cooling, replace the fan single-speed relay with an improved relay.
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Vehicles equipped with heater and heavy duty cooling, replace both the fan high-speed and low-speed relays.
Dealers are to service all vehicles subject to this campaign at no charge to owners, regardless of mileage, age of vehicle, or ownership, from this time
forward.
Whenever a vehicle subject to this campaign is taken into your new or used vehicle inventory, or it is in your dealership for service in the future, you
should take the steps necessary to be sure the campaign correction has been made before reselling or releasing the vehicle.
Owners of vehicles recently sold from your new vehicle inventory are to be contacted by the dealer, and arrangements made to make the required
modification according to instructions contained in this bulletin.