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Vacuum lines

Heating / Cooling / AC

  1. Nov 16, 2020 #1
    RUFF62

    RUFF62 Well-Known Member

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    I just got a 72 Dart Swinger and was looking to hook vacuum lines so heater would swap positions. Have the 2 lines in engine compartment and wondered if anyone might know which to hook to intake? Thanks....

    125425914_827728098012596_1719963706421823929_n.jpg
     
  2. Nov 16, 2020 #2
    krazykuda

    krazykuda Well-Known Member FABO Gold Member How-To Section Editor

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    I believe that they both go to the intake...
     
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    • Nov 16, 2020 #3
      RUFF62

      RUFF62 Well-Known Member

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      Thank you so much....
       
    • Nov 16, 2020 #4
      krazykuda

      krazykuda Well-Known Member FABO Gold Member How-To Section Editor

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      • Nov 16, 2020 #5
        RabidScott

        RabidScott Well-Known Member

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        I've read that one goes to manifold vacuum and the other to a heater hose control valve.

        That's actually the reason I dropped into this subforum, I wanted to know if I can just run a vacuum line to one of the lines and plug the other to determine heater pod function without damaging the pods in the process.

        IMG_8402.JPG
         
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        • Nov 17, 2020 #6
          krazykuda

          krazykuda Well-Known Member FABO Gold Member How-To Section Editor

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          That could be also...

          See what the service manual says...
           
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          • Nov 17, 2020 #7
            RustyRatRod

            RustyRatRod Lemmie see your b00bs. FABO Gold Member

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            I see they have stripes on them. If one is red, that is usually manifold vacuum.
             
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            • Nov 17, 2020 #8
              Freezerman

              Freezerman Well-Known Member

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              One is vacuum in to run your control pod, the other is vacuum out to run the heater water valve. You won't hurt anything by testing
               
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