How To Change A Thermostat On A 2003 Chevy Cavalier

Has your vehicle been overheating lately? You could call your mechanic and pay for an skillful diagnosis, or you could replace your thermostat yourself with the assist of these step-by-step instructions from NAPA Canada.

Automotive thermostat Photograph: Shutterstock

Why replace your thermostat?

Thermostats are important for two reasons: they advance engine warm-up and regulate the engine's operating temperature. By blocking the circulation of coolant between the engine and radiator until the engine has reached its predetermined temperature, thermostats can ensure groovy fuel economy, reduce engine article of clothing, and improve cold weather durability.

What you'll need:

A make clean rag
New thermostat
Gasket and gasket sealant
Screwdriver or pliers
Small socket wrench
Pocket-sized adjustable wrench
A small scraper or wire brush
ix L bucket or drip pan

1. Put your vehicle on level basis. Wait until the engine is absurd before draining the cooling organisation.

ii. With your screwdriver or plier, remove the radiator hose attached to the thermostat housing by pulling off the clamp.

3. Twist the radiator hose to loosen it from the housing. Some coolant will cascade out of the hose when you have it off. Loosen the bolts on the housing with your socket or wrench. Lift the cover off and remove the thermostat. While the housing is removed, temporarily stuff a clean rag into the thermostat opening on the engine to go along debris out of the cooling system.

4. Install the new thermostat then the copper heat sensing element is toward the engine. If installed upside down, information technology won't function properly.

5. Remove any corrosion from the accessible part of the water jacket. In addition, clean the rims of the thermostat housing. Employ your scraper to remove the old gasket from the housing and embrace base of operations (the soft metallic on aluminum housings can be easily scratched, and then be careful).

6. Put on a new gasket and replace and tighten the housing. Torque the thermostat housing bolts evenly and to the manufacturer's recommendations.

7. Re-attach the hoses and put the engine coolant back into the vehicle. When everything is back in place, run the engine to total operating temperature and check for leaks. Ensure that air has been removed from the cooling system too.

8. Accept the machine for a bulldoze. Make certain that the temperature gauge needle stays at normal with the car at full operating temperature. If the needle did not practise this before y'all changed the thermostat, information technology should practice so now.

Plus: four Things You Probably Didn't Know Most Getting an Oil Change

For more smashing tips on how to maintain your machine and to find the parts y'all need, visit NAPA Canada.

Source: https://www.readersdigest.ca/cars/maintenance/replace-thermostat-instructions/

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