Replacement of Heater Control Valve – 1991 Chevy Astro Van



Here I explain a very basic automotive repair that may save you some real cash by doing yourself. How to Remove and Replace a Heater Control Valve

Music provided free of royalty’s by Jason Shaw @ https://www.audionautix.com “Thingamajig”

The purpose of a heater control valve is to control the flow of engine coolant to the heater core, located within the passenger compartment. When the heater or defroster is turned on, warm engine coolant passes through the heater core. Here a fan forces air across the surface of the heater core and then into the passenger compartment where the warm air is felt.

Warning: Be sure the vehicle’s engine is cool to prevent burns to the skin. It is also always a good idea to wear safety glasses to prevent any contaminants from getting into the eye.


Post time: May-30-2017
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