The thermostat controls the coolant temperature range for the engine to run correctly. The coolant temp running to hot or to cold are both bad for gas mileage, emissions and engine life. Does the coolant bubble up in the reservoir after you have driven it? If it does, then the odds are the head gasket has failed. Check the engine oil level on the dipstick to see if the oil looks milky or is over filled. If it is, then it's a head gasket that has failed and will need to be replaced. Depending on the age and mileage, it could just be the thermostat that has either stuck closed(engine coolant runs hotter than normal) or stuck open(engine coolant runs colder than normal). Hopefully it is just a bad thermostat. Good luck!
The thermostat regulates the coolant temperature for the engine to operate correctly. If the coolant temp is too hot or too cold, both are bad for gas mileage, emissions and engine life. Why do you want to remove the thermostat? Does the coolant temp overheat or never reach normal operating temp? If so it could just be a failed/stuck thermostat and would need to be replaced. Does the coolant bubble up in the reservoir after the engine has reached normal operating temp? Check the engine oil on the dipstick, does it look milky or overfilled? If so, the head gasket has failed and needs to be replaced. Good luck!
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Yes, but it's not recommended. If you have cooling issue, fix the cause, usually a blocked radiator. May be collapsed hose. Colling issues can also come from a blown head gasket.
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