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How to Change a Car Thermostat

Presented by Nathan McCullough

Learn how to change the thermostat in your car with expert automotive tips in this free online auto repair and car maintenance video series.

Series Summary

The thermostat in your car regulates the temperature of the engine. If it gets stuck closed, then the engine can overheat, potentially damaging the head gasket and other key engine components. If it gets stuck open, your engine will run cooler and your heater will not work. Either way, it's a good idea to fix a damaged thermostat right away in order to keep your car in good running order.

In this free auto repair video, you will learn how to replace a car's thermostat. Our experienced mechanic will tell you how to diagnose a thermostat problem, then demonstrate how to drain your coolant and remove parts of the coolant system, such as the serpentine belt and thermostat housing in order to gain access to the thermostat. Then you will learn how to remove the faulty thermostat and replace it, then watch detailed videos how to put everything back together again.

Listing 1-13 of 13 videos

Draining Coolant to Change Car Thermostat

Learn how to remove your radiator cap and drain the system for car thermostat repair with expert automotive tips in this free online auto repair and car maintenance video clip.

Safety Tips for Changing Car Thermostat

Learn safety tips when working on a coolant system for car thermostat repair with expert automotive tips in this free online auto repair and car maintenance video clip.

Removing Parts to Change Car Thermostat

Learn how to remove some of your additional parts to gain access to coolant system for car thermostat repair with expert automotive tips in this free online auto repair and car maintenance video clip.

How to Remove Belt From Car Thermostat

Learn how to remove your serpentine belt and tensioner for car thermostat repair with expert automotive tips in this free online auto repair and car maintenance video clip.

Tips for Reinstalling Car Thermostat

Learn how to prepare your coolant system for re-installation for car thermostat repair with expert automotive tips in this free online auto repair and car maintenance video clip.

How to Remove Hose From Car Thermostat

Learn how to properly remove your upper radiator hose for car thermostat repair with expert automotive tips in this free online auto repair and car maintenance video clip.

How to Reinstall Belt for Car Thermostat

Learn how to reinstall your serpentine belt and tensioner for car thermostat repair with expert automotive tips in this free online auto repair and car maintenance video clip.

Checking For Leaks in Car Thermostat

Learn how to fill to proper level and check your work for leaks for car thermostat repair with expert automotive tips in this free online auto repair and car maintenance video clip.

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