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It is in the thermostat housing at the end of the top radiator hose on the engine side.

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Q: Where is the thermostat located on a 2003 Chevrolet Impala 3.4 liter?
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How do you change a thermostat on a 2004 Chevy impala with a 3.8 liter engine And where is it located?

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How do you change thermostat in Chevy impala 2004 3.4 liter?

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Where is the speed sensor in a 2001 Chevrolet Impala?

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Where is the oil sending unit located on a 2003 Chevy Impala 3.8 liter?

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How do you bleed the air out of the system after you change the thermostat on a 2004 Chevrolet Impala?

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