A/C question

Discussion in 'The Big Chill' started by divinginswfl, Jun 27, 2021.

  1. divinginswfl

    divinginswfl Well-Known Member

    I have finally got my A/C running and blow great! Probably when the car heats up for some reason ( I am thinking a vacuum issue) the hot water circulates and the cold air is no longer cold it is like they’re both running at the same time, I installed a new hot water shutoff valve. how can I either block off the hot water line and keep original look or to trouble shot to pin point problem.
    Thanks you
    Clayton
     
  2. Redmanf1

    Redmanf1 Gold Level Contributor

    Make sure you purchased the correct shut off valve. Some shut water off with vacuum and some are off when No vacuum. You can check your vacuum, start your car and turn the ac on and pull the vacuum shut off hose off. Does it have vacuum? then turn the heat on does it have vacuum at the hose? Then you can check your shut off valve to see when the water hotter on the one side.
     
  3. divinginswfl

    divinginswfl Well-Known Member

    Thank you so much for that info! And by the way your saying as been my life motto and was on the back of company shirts.
     
  4. Redmanf1

    Redmanf1 Gold Level Contributor

    Clayton,
    Glad to help. Big buick shut off valves are the opposite of the A body (skylark). Some suppliers sell them as one which causes a problem.
    Nelson
     
    Mart likes this.

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