How to replace thermostat in car?

If the thermostat sticks in the open position, it doesn’t keep the liquid in the engine long enough, so you have trouble getting your car warmed up. If the thermostat sticks in the closed position, the liquid isn’t allowed to get to the radiator, and overheating results. read more

Once you've found the thermostat, perform one of two simple tests: If you have access to the radiator cap on your car, use the following troubleshooting procedure: Checking Coolant Flow. If the radiator cap is not accessible, or you don't see the cap, go to the next troubleshooting procedure: Checking Coolant Temperature. read more

Top radiator hose The thermostat housing is usually on top of the engine near the front. Locating the thermostat In most cars the thermostat is placed under a housing near the water pump on the cylinder head; the housing is connected directly to the top radiator hose. read more