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3G Alternator Belt Squeal

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    #61
    Originally posted by sly View Post
    Ranger/Explorer heater control valve. Part number 74809. Apply vacuum to bypass heater core.
    Any pics of this install? Or more details? Thank you.
    1987 CV LX 5.0

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      #62
      Originally posted by mcb82gt View Post
      Any pics of this install? Or more details? Thank you.
      Lines in on one side... lines out on the other (put it in-line with the heater hoses). Then run a vacuum line to the source you want to use (panel vents only source for automatic usage - pneumatic switch for manual usage). Routing is dependent on vehicle and desired usage. That's about it. You will need to swap the heater hose lines on one end of the valve as one line crossed over the middle of the valve.

      Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
      rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)
      Originally posted by gadget73
      ... and it should all work like magic and unicorns and stuff.
      Originally posted by dmccaig
      Overhead, some poor bastards are flying in airplanes.

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