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.
How to bypass the heater control valve on YouTube?
Heater Control Valve bypass port – information update. – YouTube Heater Control Valve bypass port – information update. If playback doesn’t begin shortly, try restarting your device.
What to do if your heater control valve is stuck?
If the temperature still doesn’t change on the outlet side, suspect a stuck shut or clogged heater control valve. Pinch off the hose on the outlet side of the heater control valve (the hose closest to the firewall) and drive the vehicle at highway speeds. If the blower stops blowing hot air, you’ve found the problem.
How does an air conditioner control valve work?
During times when the air conditioner is in use, the heater control valve closes, preventing engine coolant from entering the heater core. The result is less heat in the passenger compartment, allowing the air conditioner to work more efficiently.
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.
During times when the air conditioner is in use, the heater control valve closes, preventing engine coolant from entering the heater core. The result is less heat in the passenger compartment, allowing the air conditioner to work more efficiently.
Why do I need to replace my heater control valve?
During times when the air conditioner is in use, the heater control valve closes, preventing engine coolant from entering the heater core. The result is less heat in the passenger compartment, allowing the air conditioner to work more efficiently. Follow the step-by-step guide below for directions for replacing a faulty heater control valve.
How does the heater control valve work in a car?
The heater control valve is part of the vehicle’s cooling system as coolant does flow through this valve. Engine operation generates a lot of heat and this heat gets transferred from the engine assembly to the liquid coolant in the cooling system to be cooled by air flowing across the radiator.