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Pontiac Sunbird

How do you replace the thermostat located on a 1991 Pontiac Sunbird?

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2015-07-15 20:06:26
2015-07-15 20:06:26

The thermostat is located inside the radiator. Remove the radiator cap and pull the thermostat up. Remember to put the replacement thermostat in the same position push the new thermostat down in the radiator. The O-ring gasket will automatically seal.

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AnswerI have a 93 sunbird. The thermostat is located right under the radiator cap. Wait for the car to cool down. remove the radiator cap. you will see an aluminum bar pull the bar out and that is your thermostat. top off the coolant before installing the new thermostat. put the new thermostat in. push on it a little bit to make sure you get a good seal and then replace the radiator cap. That is all there is to it. the thermostat on these cars is really easy to change and i have done it several times.

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The thermostat is located in the housing where the top radiator hose connects to the engine. You will have to disconnect the hose and unbolt the housing to get to the thermostat.

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