Question about Chevrolet Cavalier
The themostat is where the upper radiator hose connects to the motor.
Posted on Jul 24, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
Mar 28, 2011 | 1998 Chevrolet Cavalier
Follow the lower radiator hose to where it meets the thermostat housing. The thermostat housing is where the opposite end of the lower radiator hose mounts to the engine.
Drain enough coolant from radiator until it is below the thermostat. Failure to do this will result in your antifreeze leaking out onto the ground.
Loosen clamp and remove radiator hose from thermostat housing. Some antifreeze will leak out, so have some rags available.
Remove the bolts holding the thermostat housing on and pull the housing from the engine. The gasket might make it a little difficult, so do not be afraid to pull hard. Do not strike it with any tools as you can crack it.
Remove the old thermostat and note its alignment.
Place a rag in the thermostat's mounting hole so no gasket material can enter the engine and then scrape the gasket from the housing and the engine.
Install the new thermostat in same position as old one.
Reinstall the housing and tighten down bolts snugly. Torque them with your torque wrench to 10 ft.-lbs. Make sure you do not over-tighten them.
Reinstall the radiator hose to thermostat housing and tighten the clamp.
Refill the radiator with coolant and start the engine, allowing it to reach normal operating temperature.
Check for any leaks at hose connection and thermostat housing. You can tighten them as necessary to stop any leaks.
Stop the engine and allow it to cool down completely then check the coolant level. Add coolant as required.
Dec 08, 2010 | 1998 Chevrolet Cavalier
Nov 28, 2010 | 1998 Chevrolet Cavalier
Please see my tip at http://www.fixya.com/cars/r5929960-s_thermostat . These are generic instructions. Specific instructions from autozone.com for your car are pasted below. If you get stuck, please get back to me.
Fig. Remove the thermostat
Fig. Install the thermostat housing to water pump feed pipe
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