What does the thermostat do on a 1998 Cavalier?
The 1998 Chevrolet Cavalier uses a thermostat to regulate the coolant system. The engine temperature in the Cavalier will rise during operation of the engine. The thermostat opens to release coolant into the engine to lower its temperature.
What happens when you change the thermostat on a VW T4?
As soon as the water warms up (usually around 88 degrees Celsius), the thermostat opens, and allows cooled water to flow from the radiator into the engine. A faulty thermostat will mean the water runs hot if it’s stuck closed, or cold if stuck open. So here is how I changed it on my VW T4 2.4d.
How do you change the thermostat in a car?
Access the engine compartment by opening the hood. Follow the upper radiator hose to the thermostat housing. Unscrew the two 8 mm bolts on the housing. This will separate the housing, revealing the thermostat. Clean the two surfaces with a razor scraper. Ensure all the gasket material is cleaned off. Replace the old thermostat with the new one.
How does the thermostat work on a Chevy Malibu?
When the engine is running, the thermostat stays closed until the engine temperature reaches the operating temperature. The thermostat then opens and allows the coolant to circulate. If the thermostat sticks, change it immediately. Pull the 1999 Chevrolet Malibu into a safe work are that has a level surface.
How do you change the thermostat on a car?
Put a new O-ring into the housing. Pull the old thermostat out of the engine block. Replace it with a new one. One end of the thermostat has a large spring on it. Place the spring into the engine. Place the thermostat back onto the engine block and bolt it into place. The thermostat does not utilize a traditional gasket.
How do you seal a GM thermostat housing?
Rather, GM relies on the O-ring to seal the thermostat housing. Slide the radiator hose back onto the housing and secure it with the clamp. Complete the same process with the radiator inlet and the other end of the hose.
How to install a new water pump thermostat?
Install the new thermostat. Connect the water pump feed pipe to the thermostat. Set the bolt in place that holds the water pump feed pipe on the thermostat housing. Torque the pipe bolt to 89 inch pounds. Refill the cooling system, recycling the coolant. Add more coolant as needed. Reconnect the negative battery cable.