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Chevy Impala

How do you change your thermostat on your 2003 Chevy Impala?

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Answered 2014-08-27 22:20:36

The thermostat should be on the top of the engine under the water inlet. Drain the radiator. Remove the top radiator hose from the inlet. Unbolt the inlet, and pull the thermostat out for replacement.

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Drain the radiator into a container. Remove the upper radiator hose at the engine. Remove the2 bolts on the thermostat housing and lift it up. Remove the thermostat and clean the surfaces. Install the thermostat and the bolts. install the top radiator hoes and fill the radiator.jd




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