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How to fix a leaky a/c fitting (high side I think)

This is a discussion on How to fix a leaky a/c fitting (high side I think) within the Technical / Maintenance forums, part of the General Discussion category; Noticed my a/c in my 1997 K1500 wasn't as cold as normal, which is out of the ordinary because its ...

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    How to fix a leaky a/c fitting (high side I think)


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    Noticed my a/c in my 1997 K1500 wasn't as cold as normal, which is out of the ordinary because its usually very cold. But compressor was cycling alot so I knew it was low on freon. Took the cap off the larger port, the one the recharge kit would NOT fit on and it was leaking. I could hear the hissing, somehow the little ball in there is not making a seal. I tried to reset it by pushing it down and moving it around a little, but didn't wanna waste freon by messing with it. Any way to fix this? Is there a fitting that I can clamp down on that port that would have an aux shutoff, thereby sealing it second hand? Thanks for any ideas.
    2006 Black Yukon SLT 4x4 5.3
    2002 Indigo Blue 2500 HD ECSB 4x4 6.0 - Wheatley Tuned
    1999 Indigo Blue ECSB Z71 5.3 (sold)
    1997 Emerald Green RCLB Z71 5.7 Vortec
    1997 Montego Blue Wrangler 4.0 5spd

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    Registered User Mr_Shamrock's Avatar
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    Re: How to fix a leaky a/c fitting (high side I think)

    Those are known to leak. It is replaceable simply unscrew it and screw on the new one. You will lose the rest of your freon though.

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    Re: How to fix a leaky a/c fitting (high side I think)

    Ok I looked at it, ya I guess it looks like its removable with a socket maybe? Hard to tell but looks like that very last fitting end unscrews, any idea where to get just that end? Dealer maybe?
    Thanks btw.
    Last edited by Matt99Silverado; 04-26-2011 at 07:50 PM.
    2006 Black Yukon SLT 4x4 5.3
    2002 Indigo Blue 2500 HD ECSB 4x4 6.0 - Wheatley Tuned
    1999 Indigo Blue ECSB Z71 5.3 (sold)
    1997 Emerald Green RCLB Z71 5.7 Vortec
    1997 Montego Blue Wrangler 4.0 5spd

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    Registered User Mr_Shamrock's Avatar
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    Re: How to fix a leaky a/c fitting (high side I think)

    Any auto parts store should have it. The last one I bought was from O'reilly's.

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    Registered User Mr_Shamrock's Avatar
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    Re: How to fix a leaky a/c fitting (high side I think)


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    Re: How to fix a leaky a/c fitting (high side I think)

    This is what you need. 8 sided socket and High Side Port:

    http://www.lenzdist.com/product-info.php?pid195.html

    http://www.lenzdist.com/product-info.php?pid145.html


    And while you have everything apart, replace the low side schrader also. You'll need a tool with a longer reach like this: http://cgi.ebay.com/ebaymotors/ws/eB...m=200600585783

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    Re: How to fix a leaky a/c fitting (high side I think)

    Thanks a ton guys, thought it was gonna be alot worse.
    2006 Black Yukon SLT 4x4 5.3
    2002 Indigo Blue 2500 HD ECSB 4x4 6.0 - Wheatley Tuned
    1999 Indigo Blue ECSB Z71 5.3 (sold)
    1997 Emerald Green RCLB Z71 5.7 Vortec
    1997 Montego Blue Wrangler 4.0 5spd

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    Re: How to fix a leaky a/c fitting (high side I think)

    Make sure to put a good o-ring on it (doused in oil) and get a good seal. I was checking mine yesterday and when I took the black cap off, I unscrewed the damn fitting. Nice work, dealership. Anyways after a quick action, I got her tightened back down with minimal loss, but at least I found the source of my leak.
    1997 Chevy Silvy Z71 Ext Cab 350
    2008 Chevy Corvette coupe

    Proud to be part of a family buying GM products since 1956

 

 

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