Question about 1993 Buick Century

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Have a 1993 Buick Century that keeps overheating. New thermostat put on, new water pump put on, radiator has been rodded out & flushed & engine flushed. Help!!!!

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  • Richard Scordino May 22, 2011

    Regardless of what you've been told, plastic tank radiators are never "rodded out" as almost no one has the equipment to remove and replace the tanks. Chances are that either the radiator is still restricted or you have a cylinder head gasket problem (hydrocarbon test can verify that condition).

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You do not mention the fan. Is your fan working? Start the engine and turn on the A/C this should force the fan on. If it does come on with the A/c you will have to see if it comes on during normal operation ( start the engine w/o A/c and let it run until the temp gage gets into the red) If it does not come on by itself you have a bad block temp sensor / or fan relay circuit.. Hope this helps Fix Ya up. If you have to in case of emergency, straight wire the fan from the battery. It is a two wire motor. One positive and one negative wire (12vdc). Watch the fan blades for rotation and wiring polarity, the fan pulls thru the rad.

Posted on May 22, 2011

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1 Answer

I want to flush my radiator in a 1997 Buick century


Flush

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You could remove bottom hose & keep
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Lot of work

Just drain & refill

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