How to remove and replace a heater control valve?
Remove the attachment screws using an appropriate tool. Gently but firmly pull on the dashboard and slowly remove it, making sure to disconnect any remaining electrical connectors that may prevent you from removing the dashboard. Be careful not to pull on any wire or control cables.
Where is the heater control valve on a Chevy Astro?
The heater control valve exists in a part of the system after the engine, but before the radiator so the coolant in this part of the system has been heated when it arrives to the valve. Once the valve is activated, the heated coolant can flow into the passenger compartment and fill the heater core.
What is the function of a heater control valve?
The heater control valve is one of the many components that are responsible for warming the interior compartment. This valve controls the flow of coolant from the engine to the heater core.
What happens when a heater control valve is leaking?
If the valve is leaking, you may see dried residue close to the color of the system coolant. These are the remnants of some of the dyes and chemicals used in the engine coolant. The heater control valve is part of the vehicle’s cooling system as coolant does flow through this valve.
How do you remove a heater control valve?
Another way to release the hose with a hose pick tool. This tool has a pointed end that you can slip under the hose to create a gap between the hose and valve. Slide the pick tool under the rubber hose and move the tool along the area of the hose to pry the rubber hose from the control valve.
How do you replace a drain valve on a hot water heater?
Take the new water heater drain valve and wind Teflon tape around the threads. The tape seals the valve properly when you replace it so that no leakage occurs. Tighten the valve properly with the wrench. Now you can open one of the hot water faucets in your home to check if the new valve is working properly.
What do you need to know about a heater control valve?
The heater control valve is one of the many components that are responsible for warming the interior compartment. This valve controls the flow of coolant from the engine to the heater core. Most heater control valves are operated in three basic ways. A manual cable, a thermostat type system, or even…
The heater control valve exists in a part of the system after the engine, but before the radiator so the coolant in this part of the system has been heated when it arrives to the valve. Once the valve is activated, the heated coolant can flow into the passenger compartment and fill the heater core.