Anyone else with one of these? And do I need it?

Heating, Cooling & AC

  1. koosh

    koosh Well-Known Member

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    69, 383, heater hose shut-off valve?..... 20181108_145118.jpg
     
  2. Cranky

    Cranky Moderator Staff Member FBBO Gold Member

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    It's nice to have heat when it's cold out.....
     
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    • Bb70charger500

      Bb70charger500 FBBO Gold Member FBBO Gold Member

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      Coming from a FL guy ! You don't needed it ! Just another place for a leak ! But if you get cold you might want it !
       
    • dla4567

      dla4567 Well-Known Member

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      I don’t think that’s a factory valve. I believe the coolant flows through the heater core all the time and the damper controls the heat. (Unless it’s an A/C car).
       
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      • koosh

        koosh Well-Known Member

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        Get cold?
        Why wouldnt i have heat without it?
         
      • Lazerwolf

        Lazerwolf Well-Known Member

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        Acutally you would. Just couldn't shut it off.
         
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        • Dipstick

          Dipstick Well-Known Member

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          A generic cable-operated valve used in some Dodge trucks, often used as a replacement for the factory valve that's sometimes hard to find.
          Operates just like the factory cable-operated valve but, without a cable hooked up, you'll need to open/close it from under the hood.
           
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          • koosh

            koosh Well-Known Member

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            Yes, am aware of how it works, just wondered why its on the car when i bought it.....without it, wouldnt i just turn temp down to turn off heat? Not sure why its there
             
          • 69L48Z27

            69L48Z27 FBBO Gold Member FBBO Gold Member

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            You are correct. The valve does not belong on a non-AC car. The only reason this would be used is if there's something wrong in the heater box that wouldn't allow you to turn the heat off inside the car like normal.
             
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            • moparedtn

              moparedtn FBBO Gold Member FBBO Gold Member

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              I have one similar to that on my GTX. Reason? The blend door in my heater box rusted and broke off its' pivot, rendering it useless.
              Trust me, the car gets friggin hot enough inside in the summer without the heat being on all the time, so the little plastic one I
              got from NAPA is worth its' weight in gold.
               
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              • Ranger16

                Ranger16 Well-Known Member

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                It's not OEM and you don't NEED it. Why it's there, only the previous owner can tell you. Perhaps he had a leaky heater core and diced to shut off the supply rather than bypass it. That's the only logical reason I can come up with.
                 
              • zyzzyx

                zyzzyx FBBO Gold Member FBBO Gold Member

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                In the summer you don't want any hot coolant circulating through the heater core at all!
                Other than disconnecting the heater core, you're just shutting off the flow with the valve.
                You don't want to roast your nuts!
                 
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                • tonysrt

                  tonysrt Well-Known Member

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                  Living in NY, summers get pretty warm and shutting off the heat to the heater core may prevent extra heat in the cabin. I plumbed a ball valve in the line to shut it off in the summer and turn it back on in the winter.
                   
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                  • Pete Bell68

                    Pete Bell68 FBBO Gold Member FBBO Gold Member

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                    I've also seen these but threaded to do a system flush . Get rid of it in my opinion unless you have a core issue .
                     
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