When in heat the valve closes.
Vintage air heater control valve not working.
Consider heater control valve location and the length of the wiring harness.
Wire between battery and circuit breaker is unprotected and should be carefully routed to avoid a short circuit.
In winter i would run a vacuum line to the valve from the carb and it worked perfectly.
Heater control valve connection and chassis ground may be located on either side of the firewall.
Cobra wiring diagram with servo heater control valve 461171 update 11086 vus 11076 vus trinary switch wiring diagram for ron francis.
Attaching to the water pump and radiator gives no flow.
If in the wrong spot you will not have water circulating through the heater core.
Then in summer i would just disconnect the hose plug it.
Check for heat transfer by disconnecting hose from the system completely.
One vintage air system i had used two 5 8 dia.
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It is not defective servo.
Servo heater control valve kit electronic servo heater control valve control panel ecu module installation select a suitable location for the control panel.
Excessive system pressure can also cause vibrations and whistling noises from the expansion valve and refrigerant lines.
Installing the valve improperly such as having the flow reversed will allow water to flow through thus inhibiting cooling.
Failing to install the heater control valve in the correct hose will allow water to collect in the unit.
The heater control valve was not getting vacuum from the unit.
I had an older va unit in my old 69 that the heat didnt work from day 1.
Vintage air installation instructions.
Heater control valve warning.
If the heater core is clogged the inlet and outlet will be different temperatures.
A leaking heater core will leak onto the floorboard and result in a sweet humid smell coolant coming from the vents while in operation.
The panel may be mounted under the dash or switch can be removed and installed in dash.
Always mount circuit breaker as close to the battery as possible.
Heater control valve installation.
One needs to be in the intake pressure feed line and the other to the water pump or radiator return points.
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The servo can be removed easily from the hot water valve.
This is not a solenoid valve it s a servo driven valve so there is not a possibility for crossed wiring besides that part is all factory wired.
If the heater control valve is stuck closed the valve s inlet and outlet will remain at different temperatures.
A leaking or faulty valve will have a more pronounced affect on the unit s cooling ability.
