Chevy Impala

How do you replace the thermostat located on a 2001 Chevy Impala?


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2011-09-12 21:04:53
2011-09-12 21:04:53

You have to remove the air filter unit. Take the flexhose off and then you have to remove the breather. That's the only way to get at the bolts. Its a real painbut its the only way. I just did mine. Good Luck!!!

On a 3.8L V6, it is very simple. Follow the upper radiator hose to the manifold just in frontof the throttle body. Loosen the hose clamp, pull the hose off of the "gooseneck". Loosenthe 2 10mm bolts (deep 6 point socket works best). And off it comes! Clean the surfacesand re-install new one.

It also helps to disconnect the 5-6 local sensors so that you can pull the wiring harness out of the way. There is also a vacumm line that you can pull off to help with clearance. Be gentle with the vacumm lines as they become brittle with age and heat over time.

$8-$16 for a new themostat and gasket.


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The thermostat is located in the thermostat housing at the engine end of the top radiator hose.

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You can replace the thermostat on your 2010 Chevy Impala 3.5 by removing the water hose and the 3 bolts from the thermostat housing. The thermostat will come right out. Reverse the process to install the new thermostat.

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It is at the engine end of the top radiator hose.The housing is the thermostat housing and the thermostat is located therein.

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The thermostat is located in the housing and the engine end of the top radiator hose. Remove the 2 bolts and replace the thermostat.

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