Temperature gauge going back and forth.

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My centurys temperature gauge began to go back and forth recently. It has coolant in it. I had the car for seven years. I had the water pump changed about 2 years ago. Coolant flush 2 years ago. The fans kick on when it starts to over heat. The radiator does have rocks in it and a lilttle bent up. Im sure why this is happening but would like some advice!!!

jkindred10 in Portage IN

Sep 11, 2015

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RepairPal Certified shops can diagnose and repair your 2002 Buick Century. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

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Temperature gauge going back and forth.

What is your question?

jkindred10 in Portage IN

Sep 11, 2015

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tones2015on Sep 11, 2015

The coolant temp sensor may be causing the problem.

jkindred10on Sep 11, 2015

How can i see if that is it?

stevieray1on Sep 11, 2015

i tried to answer your question,don't know where my answer went?if the fins are bent up bad and have debris in them,they make a tool to straighten them.it's called a Radiator Fin Straightener.you can get it at Harbor Freight for less than $10.00.

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Popular Answer

What are the best Buick repair shops?

RepairPal Certified shops can diagnose and repair your 2002 Buick Century. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.