Do you want to know how to replace the thermostat on your car? Changing the thermostat on your car is easy. Some cars are different, but most cars are similar in the way you have to change the thermostat. Your car needs the thermostat to run correctly. The car tells the radiator to send fluid to the engine when it is hot to cool the engine down. When your thermostat is bad, your car will overheat.
To replace a thermostat, you will need:
- New thermostat with gasket
- Screwdriver-flat head
- Razor knife with blade
- New clamp
- Leather work gloves
- Socket set
- small bucket
- old rag
- Go to the auto parts store and buy the parts you need. The desk clerk will be able to tell you what thermostat fits your car. Look in the box and make sure the gasket is in the box. Do not leave the auto parts store without a new gasket. Buy a new clamp for the hose on your radiator. It is a good idea to replace the old clamp with a new clamp.
- Drive home, park your car in your driveway and shut it off. Let your car cool down. Open the hood and secure it with the safety latch. Touch the radiator by hand to see if the car is cool enough to work on. You do not want to open the radiator if the car is still hot.
- Take the cap off radiator. You will turn the cap counterclockwise to remove it. You will see a short hose leading from the top of your radiator to the top of the engine of your car. Take your screwdriver and loosen the clamp. Pull the clamp away from the radiator and disconnect the hose. Take your small bucket and catch as much radiator fluid as you can from the radiator. Take an old rag and plug up the radiator with the rag.
- The other side of the hose goes into the engine of your car. You will see two bolts holding the hose on to your engine. This is the housing for the thermostat. Take the two bolts out with your socket set and ratchet. Pull the housing and hose off the engine of your car. This will reveal the thermostat and the old gasket. Take your razor knife and clean off the old gasket. Make sure you get (all of the) old gasket off your car.
- Remove the old thermostat and replace it with the new thermostat. Take the gasket and place it where the other gasket was. Put the housing back on and put the bolts back into your engine. Tighten them down snuggly. Do not over tighten the bolts. You do not want to strip them.
- Take your new clamp and put it over the other side of the radiator hose. Take the old rag out of the radiator and replace the hose. Tighten the clamp down on the radiator. Replace the radiator fluid until it reaches the top of the radiator. Start your engine and let your car run for a few minutes. Your car will suck in the radiator fluid. Fill the radiator fluid until the radiator is full. Replace the radiator cap. Shut off your engine. Check your radiator fluid one more time before you drive your car. Fill as needed.
- Check radiator cap and hoses to make sure they are in good shape. Change whatever needs to be replaced
- Make sure the car is completely cooled down before removing radiator cap
- Wear your leather work gloves
- Dispose of old radiator fluid properly
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