Question about 1998 Buick Century

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Hi i just brought a buick century 1998 and well is overheating and i dont know what it could be?

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It could be many things. Low coolant, fault thermostat, a blockage in the system, worn or broken water pump impeller, slipping belt on water pump pulley, the cooling fans may not be operating (this could be a faulty temp sensor, fuse, relay, wiring or the fan motor itself).

Posted on Mar 12, 2011

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Check the easy stuff first. Fuse box, radiator coolant level, belt, leakage, etc. With the engine off, disconnect the temp sensor electrically and use a wire to short across the sockets. Turn the ignition switch to run (idiot lamps will light) and see if the fan starts. You have just tested the motor, wiring, relay and fuse electrically. Start the car and see if it overheats and turn your heater on and all the way up. If it overheats with no heat getting to the cabin you have a bad thermostat. If it overheats with heat getting into the cabin you have blocked radiator tubes, or scaling.

Posted on Oct 20, 2012

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