C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

working on the A/C

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Old May 29, 2015 | 10:31 PM
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Default working on the A/C

Had to charge up my A/C today which is not that big of a deal by itself. My problem is the both of the service valves are leaking a bit. Do I have to replace the hard lines or is there a way to just put new valves in it?
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Old May 29, 2015 | 11:14 PM
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Should be four seasons part# 26778
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Old May 29, 2015 | 11:49 PM
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Thx!! I'll go snag a pair.
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Old May 31, 2015 | 12:19 PM
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Originally Posted by Polo Vert
Thx!! I'll go snag a pair.
You just need to replace the shrader valve this can be done with the right tool without looseing freon.
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Old May 31, 2015 | 03:33 PM
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Originally Posted by antfarmer2
You just need to replace the shrader valve this can be done with the right tool without looseing freon.
I've installed three of these kits on different cars and they all come with shrader valves shown but none of the applications needed them, or even used that type of shrader valve.
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Old May 31, 2015 | 03:43 PM
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Originally Posted by 8a8mfh
I've installed three of these kits on different cars and they all come with shrader valves shown but none of the applications needed them, or even used that type of shrader valve.
Not sure what your telling him. I had the same problem but did not want to loose my freon a new cap helped but with the new shrader valve and cap no more leak. shrader valve replacement tool.

Last edited by antfarmer2; May 31, 2015 at 03:47 PM.
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Old May 31, 2015 | 03:55 PM
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Originally Posted by antfarmer2
Not sure what your telling him. I had the same problem but did not want to loose my freon a new cap helped but with the new shrader valve and cap no more leak. shrader valve replacement tool.
Ok, heres a service valve for a ford and the shrader tool.

Explain to the forum how you remove a rubber ball and replace it with a shrader valve core without loosing refrigerant.

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Old May 31, 2015 | 03:57 PM
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And since he has a '94 it should be 134a from the factory. Post a pic of YOUR shrader valve tool that removes those.
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Old May 31, 2015 | 04:06 PM
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Originally Posted by 8a8mfh
And since he has a '94 it should be 134a from the factory. Post a pic of YOUR shrader valve tool that removes those.
Ok his is not a ford it is a 94 corvette just like mine. I am puter stupid and would have to wait for my daughter to get the pic posted for me. But if you do a search I am sure you can find the tool and post a pic. I showed you a new trick.
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Old May 31, 2015 | 04:09 PM
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Originally Posted by antfarmer2
Ok his is not a ford it is a 94 corvette just like mine. I am puter stupid and would have to wait for my daughter to get the pic posted for me. But if you do a search I am sure you can find the tool and post a pic. I showed you a new trick.
Well I can show you a trick on how to post a pic
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Old May 31, 2015 | 04:19 PM
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Originally Posted by 8a8mfh
Well I can show you a trick on how to post a pic
Not on a nook tablet. Getting my salt shaker!

Last edited by antfarmer2; May 31, 2015 at 04:22 PM.
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Old May 31, 2015 | 04:23 PM
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Originally Posted by antfarmer2
Not on a nook tablet.
Is it pink too?
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Old May 31, 2015 | 04:26 PM
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Ok, I'll admit it you got me. A schraeder valve tool for 134a connections.
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Old May 31, 2015 | 04:28 PM
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Originally Posted by 8a8mfh
Is it pink too?
BITE ME
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Old May 31, 2015 | 04:35 PM
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Originally Posted by 8a8mfh
Ok, I'll admit it you got me. A schraeder valve tool for 134a connections.
Once again! Next time listen you will learn alot more if you do.
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Old May 31, 2015 | 05:14 PM
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Originally Posted by antfarmer2
Once again! Next time listen you will learn alot more if you do.
I don't know what I'd have learned. The parts I pictured to the OP come off and new ones back on without the loss of refrigerant AND without special tools.

NOW HOPEFULLY the small schraeder valves are still under those UNLIKE the FORD I worked one where they were taken out/left out/they just don't come from ford with them, and when the service ports are removed the refrigerant blows out everywhere.

(happened to a buddy of mine NOT ME )
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Old May 31, 2015 | 05:36 PM
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Originally Posted by 8a8mfh
I don't know what I'd have learned. The parts I pictured to the OP come off and new ones back on without the loss of refrigerant AND without special tools.

NOW HOPEFULLY the small schraeder valves are still under those UNLIKE the FORD I worked one where they were taken out/left out/they just don't come from ford with them, and when the service ports are removed the refrigerant blows out everywhere.

(happened to a buddy of mine NOT ME )
If you are talking about a 92 then it was r12 and someone could have put the r34 valves over the originals but I was trying to help him with his 94. My tool will take any shrader valve out with out looseing pressure car or home a/c to your tires.
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Old May 31, 2015 | 06:10 PM
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Originally Posted by antfarmer2
If you are talking about a 92 then it was r12 and someone could have put the r34 valves over the originals but I was trying to help him with his 94. My tool will take any shrader valve out with out looseing pressure car or home a/c to your tires.
Talking about a '95.

The parts pictured above are factory replacement service ports for GM vehicles factory equipped with 134a.

FWIW I've seen vehicles, same exact year, same everything except the manufacturing date. I've seen '94s made in 10/93 with r12, and '94's made in 2/94 with 134a. It was mandatory to NOT use r12 after 12/31/93.
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Old May 31, 2015 | 06:36 PM
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Originally Posted by 8a8mfh
Talking about a '95.

The parts pictured above are factory replacement service ports for GM vehicles factory equipped with 134a.

FWIW I've seen vehicles, same exact year, same everything except the manufacturing date. I've seen '94s made in 10/93 with r12, and '94's made in 2/94 with 134a. It was mandatory to NOT use r12 after 12/31/93.
94 on up is 134 if he pulls that out he will spray all his freon out? He just need to change the little inside valve.

Last edited by antfarmer2; May 31, 2015 at 07:04 PM.
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Old May 31, 2015 | 09:20 PM
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Where do I find this miracle tool?....
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