how to repair low pressure ac valve
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Thread: how to repair low pressure ac valve

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    NECO Member alantala15's Avatar
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    how to repair low pressure ac valve

    mine is leaking and i saw some freon on the hood of my car andthe cap on the ground under my car....just need to know how to replace the valve....and i know its illegal to shoot the freon in the air...so does that mean i just need something that'll push on the valve stem and itll release the freon or is there something else i have to do?

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    Capital Curmudgeon Lifetime Platinum MemberModerator skater's Avatar
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    Re: how to repair low pressure ac valve

    I've never heard of something like that happening. In all likelihood, you'd have to drain the system, if it hasn't already drained itself. Personally I think it's best to go to a shop for A/C issues - you can't refill an empty system without bringing it to a vacuum first, or you could damage more components. And they have the tools to recover any remaining R-134a.
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    NECO Member alantala15's Avatar
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    Re: how to repair low pressure ac valve

    yea i understand but i dont have the money really...and the last mechanic i talked to just said to drain the system and replace the valve.

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    Re: how to repair low pressure ac valve

    Lol just had the same problem only a few weeks ago, hopefully i catch you before you go spending bank on this. Talked to guys at valvoline they said its illegal to vent freon into the atmosphere yada yada, well i researched it and its illegal to vent r12 into the atmosphere not r134a which is why they switched to r134a, more then likely you have r134a, so just push in the valve with a screw driver or something till all the freon gets let out, then take it up to valvoline or an ac shop and ask to borrow there tool for two seconds to twist the valve out and take it out... for some reason autozone doesnt have the right size for our cars, now go to napa buy a new valve and go back to valvoline or an ac shop and ask to borrow again and twist it back on. once done just turn your car on with ac set to max and fanspeed max and fill it up till your supposed to, depends on the tempature outside. i live in florida so i fill it to the max 55 psi., hope this helped i know it was long and drawn out lol

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    Capital Curmudgeon Lifetime Platinum MemberModerator skater's Avatar
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    Re: how to repair low pressure ac valve

    Quote Originally Posted by Jordin Jones View Post
    once done just turn your car on with ac set to max and fanspeed max and fill it up till your supposed to, depends on the tempature outside. i live in florida so i fill it to the max 55 psi., hope this helped i know it was long and drawn out lol
    And prepare for spending even more money in the long term.
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    Re: how to repair low pressure ac valve

    please explain how, i did everything an ac shop would do except catch the freon in a vacuum?

  8. #7
    Capital Curmudgeon Lifetime Platinum MemberModerator skater's Avatar
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    Re: how to repair low pressure ac valve

    Quote Originally Posted by Jordin Jones View Post
    please explain how, i did everything an ac shop would do except catch the freon in a vacuum?
    You didn't evacuate the system before refilling it.
    1999 Cougar, Laser Red, 3.0L V6, MTX (a lot more fun)
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    NECO Member alantala15's Avatar
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    Re: how to repair low pressure ac valve

    isnt that what he did by using a screwdriver to push in the valve and let the freon out?

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    NECO Member alantala15's Avatar
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    Re: how to repair low pressure ac valve

    oh and what kind of tool was used to replace the valve??

  11. #10
    NECO Member alantala15's Avatar
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    Re: how to repair low pressure ac valve

    whats the name of the tool i mean...maybe my autozone has it?

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