72 BB AC car heater hoses once again - NCRS Discussion Boards

72 BB AC car heater hoses once again

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  • Rey S.
    Expired
    • April 1, 1995
    • 277
    #1

    72 BB AC car heater hoses once again

    May I get some insight (again) for the routing of the heater hoses on my 72 BB AC car? My bad for not taking enough photos during disassembly. I have the tank mounted. At the heater core there is no problem as the two fittings are different sizes. How ever which is the inlet and which is the outlet? Which hose goes to the coolant tank? Which hose goes to the manifold? and which hose goes to the water pump? Is there supposed to be a vacuum operated hot water shut off valve in line? and which hose is the valve inserted?
    Thanks for any help that maybe sent my way !
    Rey Stenhouse (26007)
    Tags: None
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    • Terry M.
      Beyond Control Poster
      • September 30, 1980
      • 15573
      #2
      Re: 72 BB AC car heater hoses once again

      Originally posted by Rey Stenhouse (26007)
      May I get some insight (again) for the routing of the heater hoses on my 72 BB AC car? My bad for not taking enough photos during disassembly. I have the tank mounted. At the heater core there is no problem as the two fittings are different sizes. How ever which is the inlet and which is the outlet? Which hose goes to the coolant tank? Which hose goes to the manifold? and which hose goes to the water pump? Is there supposed to be a vacuum operated hot water shut off valve in line? and which hose is the valve inserted?
      Thanks for any help that maybe sent my way !
      Rey Stenhouse (26007)
      1972 AIM UPC C60, Sheet D6, doesn't work for you?
      Terry
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        • Rey S.
          Expired
          • April 1, 1995
          • 277
          #3
          Re: 72 BB AC car heater hoses once again

          It does now that I found it and studied it. Will my car require a hot water control/shut off valve?
          Thanks Terry
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            • Tom L.
              Extremely Frequent Poster
              • October 17, 2006
              • 1439
              #4
              Re: 72 BB AC car heater hoses once again

              '72 cars don't have the shut off valve. I put one in a few years back but took it out last year when I replaced the hoses. Didn't see much of a difference in cabin heat. I'm believing that most of my heat problem is the seals in the dust system at this point, just don't have time to deal with it now and it's getting cold anyway. The valve is free if you want it for some reason. Have fun!
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                • Rey S.
                  Expired
                  • April 1, 1995
                  • 277
                  #5
                  Re: 72 BB AC car heater hoses once again

                  Tom
                  Thanks for the offer but I will pass. If I come across someone else looking for one I will put them in touch with you.
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