Question about 2000 Buick Century
The thermostat is in a housing on the engine. It's located where the lower radiator hose attaches to the engine. The coolant level should be right near the top of the radiator when you remove the cap, and the overflow canister should be filled to the indicated line (there are markings on the canister). If your gauge stays on cold, you may have a faulty coolant temperature sensor. If it will get to normal operating temperature while sitting still, but starts cooling down when you drive, you have a thermostat failure - it's stuck open, and will need replacement.
Posted on Dec 11, 2009
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Posted on Jan 02, 2017
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