Change the Thermosat in a 2000 Ford Ranger
The coolant system in a 2000 Ford Ranger is regulated by a thermostat. The thermostat is set to open when the engine starts to get hot. A faulty thermostat will stick and cause the coolant to back up in to the radiator and the temperature will rise eventually causing the truck to overheat. Replacing the thermostat will ensure the coolant system does its job to keep the truck running cool even in the hottest environments.
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Instructions
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Open the hood to access the engine compartment. Locate the upper radiator hose.
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Trace the radiator hose to the thermostat housing. Unbolt the two bolts at the end of the radiator hose with a socket wrench. This will expose the thermostat.
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Pull the thermostat out of the housing by hand. Replace with the new thermostat. Ensure the spring end is loaded first.
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Scrape the gasket material off the mating surfaces of the housing with a razor scraper. Ensure all the black gasket material is gone.
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Place the included gasket around the surface of the thermostat housing. Bolt the thermostat housing cover over the housing with the socket wrench.
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Twist the radiator pressure cap counterclockwise off the radiator. Visually verify the level of the coolant. If the coolant is not visible from the neck of the radiator. Pour in coolant until it is full.
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Start the truck and allow it to idle. When the engine warms, the level will drop. Pour in coolant until the radiator is full. Tighten the pressure cap on to the radiator. Close the hood. Turn off the truck.
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Tips & Warnings
The thermostat and gasket can be purchased at any local automotive parts store as a kit.
The coolant system is under pressure and can be very hot. Allow the truck to cool down before servicing.
References
- Photo Credit Design Pics/Valueline/Getty Images
