Question about 1996 Ford Crown Victoria
Turn the temp control to heat you get cold air yet the air cond works great. car is a police interceptor.
I think it is the heater control valve i think it is mounted on the firewall by the top close to the hood it will have two black 5/8 hoses attached to it check and make sure it still has the cable attached to it before you replace
good luck here is the (how to) for your car
The heater control valve (sometimes called the water flow valve)controls the flow of coolant into the heater core from the engine.
Heater control valves are operated in three basic ways: by cable,thermostat, or vacuum. Cable-operated valves are controlled directlyfrom the heater control lever on the dashboard.
Cable-operated heater valve used to control the flow of water or coolant through the heater core.Thermostatically controlled valves feature a liquid-filled capillarytube located in the discharge air stream off the heater core thatsenses air temperature and modulates the flow of water to maintain aconstant temperature regardless of engine speed or temperature. Mostheater valves utilized on today's car are vacuum operated. These valvesare normally located in the heater hose line or mounted directly in theengine block.
To replace a heater control valve:
Identify the heater control valve carefully. It is easily confused with other parts.
Posted on Apr 23, 2009
The temp blend door may not be rotating from the a/c evaporator to the heater core opening.
Could be the motor on the blend door or the temp control knob.
Do you have manual a/c or electronic temp control?
If it's the a/c door electronic actuator motor, it's on top of the plenum. Have to remove the instrument panel for access.
Hope it's the temp knob on the control head.
top one is the circuit you are looking at
Posted on Apr 23, 2009
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Posted on Jan 02, 2017
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