Question about 1997 Chevrolet Cavalier

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Need location of thermostat ,over heating.

Need location of thermostat on 2.2 motor.

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  • Chevrolet Master
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On the 2.2 engine it is located on the lower radiator hose water pump side.

Remove the two retaining bolts for on the housing
Separate the housing halves to access the thermostat
Pull the thermostat out to remove it from the housing
The thermostat has an O-ring which goes around the center
Thoroughly clean the mating surfaces of the thermostat housing

When adding coolant, it is important that you use GM Goodwrench DEX-COOL® (orange colored, silicate free) coolant meeting GM specifications. On these vehicles, if silicate coolant (green) is added to the system, premature engine, heater core or radiator corrosion may result. In addition, the engine coolant will require change sooner; at 30,000 miles or 24 months.

Good luck and hope this helps.


Posted on Nov 14, 2009

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  • Master
  • 312 Answers

If you follow the top hose from the radiator to the motor you'll notice a housing where the hose meets the motor. Disconnect the hose and remove the two bolts holding the housing in place. Remove the housing and the thermostat is underneath. When you replace it make sure the old gasket is completely removed and replaced with a new one. If pieces of the old gasket remain you will nto get a good seal and will eventually end up with leaks.

Posted on Nov 14, 2009

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