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Thread: Heater control valve - cant completely turn off

  1. #1
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    Heater control valve - cant completely turn off

    Folks, I have a question about the heater control valves. The one that came on my 65 Tr4a (not the original part), never seemed to shut off completely, even with the control pushed all the way in. I recently bought a new one from Moss, but it behaves the same way. No matter how I adjust the cable, the valve never seems to close all the way (plus the movement of the new one feels very stiff). Any tricks to setting these heater control valves so they will shut off?

    thanks

    jim

  2. #2
    Senior Member fpstude's Avatar
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    Re: Heater control valve - cant completely turn off

    I don't have a solution, but every spring I physically move the valve arm firmly to the closed position on the valve itself. This is on a valve I purchased from Moss around ten years ago. As I said, not a solution, just a workaround.
    Perry
    1967 TR4A
    1963 Studebaker Gran Turismo Hawk
    1960 Studebaker Lark Convertible
    1950 Studebaker Starlight Coupe

  3. #3
    Luke Skywalker sail's Avatar
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    Re: Heater control valve - cant completely turn off

    Mine needs a little push at the valve for full range. For me that's on once late fall and off once in the spring.
    Richard
    65 tr4a

  4. #4
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    Re: Heater control valve - cant completely turn off

    Ok, that’s pretty much what I’ve been doing. Thanks!

    jim

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