ac conversion getting 40 degrees at the vent
Le Mans Master
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From: Central Texas
Melting Slicks
Joined: Oct 2000
Posts: 2,143
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From: Englewood FL
Year of the car?
Thanks
Last edited by mark79,80; Aug 11, 2017 at 09:12 AM.
Le Mans Master
Joined: Jan 2001
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That's just wonderful. My Hot Rod Air will get down there at first, but then it starts warming up. I'm starting to suspect I've introduced moisture into the system and it's freezing up. I've played with adding and removing R-134a but the cycle continues. I'm thinking I have to start fresh, evacuate and recharge, then see how it does..... unless someone has ideas to share???
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Joined: Mar 2014
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I started out by replacing my compressor which had died. While researching the conversion process I discovered that a parallel flow condenser was recomended for the r134a converted cars to increase the cooling. I found one inexpensively on ebay $64
http://www.ebay.com/itm/A-C-AC-Unive...38.m2548.l4275. I did have to buy and custom bend some aluminum ac tubes from U bend'em on Summit's web site to make the connections from the new condenser to the existing ac hoses. I replaced the original orifice tube with a blue ford orifice tube which is also supposed to work better in our cars with r134a. You will need some r12 to r134a conversion fittings on the schrader valves. They will need to be the ones that are 90 degree adapters to be able to fit the new style manifold hoses to vacuum the system out and recharge it. They are available from napa for about $10 each. (make sure to remove your existing schrader valves before installing them)
You will need to remove the hood to replace the old condenser. Once I had done that I also replaced my radiator (since 90 percent of the labor was done) with a new aluminum champion radiator very little modification needed to install. Lastly I took it to my local shop to pull a vacuum and fill with r134a
I found some great information here http://tech.corvettecentral.com/2008...4-ac-retrofit/
and here as well http://www.ebay.com/itm/A-C-AC-Unive...38.m2548.l4275
good luck
http://www.ebay.com/itm/A-C-AC-Unive...38.m2548.l4275. I did have to buy and custom bend some aluminum ac tubes from U bend'em on Summit's web site to make the connections from the new condenser to the existing ac hoses. I replaced the original orifice tube with a blue ford orifice tube which is also supposed to work better in our cars with r134a. You will need some r12 to r134a conversion fittings on the schrader valves. They will need to be the ones that are 90 degree adapters to be able to fit the new style manifold hoses to vacuum the system out and recharge it. They are available from napa for about $10 each. (make sure to remove your existing schrader valves before installing them)
You will need to remove the hood to replace the old condenser. Once I had done that I also replaced my radiator (since 90 percent of the labor was done) with a new aluminum champion radiator very little modification needed to install. Lastly I took it to my local shop to pull a vacuum and fill with r134a
I found some great information here http://tech.corvettecentral.com/2008...4-ac-retrofit/
and here as well http://www.ebay.com/itm/A-C-AC-Unive...38.m2548.l4275
good luck
Melting Slicks
Joined: Oct 2000
Posts: 2,143
Likes: 195
From: Englewood FL
I started out by replacing my compressor which had died. While researching the conversion process I discovered that a parallel flow condenser was recomended for the r134a converted cars to increase the cooling. I found one inexpensively on ebay $64
http://www.ebay.com/itm/A-C-AC-Unive...38.m2548.l4275. I did have to buy and custom bend some aluminum ac tubes from U bend'em on Summit's web site to make the connections from the new condenser to the existing ac hoses. I replaced the original orifice tube with a blue ford orifice tube which is also supposed to work better in our cars with r134a. You will need some r12 to r134a conversion fittings on the schrader valves. They will need to be the ones that are 90 degree adapters to be able to fit the new style manifold hoses to vacuum the system out and recharge it. They are available from napa for about $10 each. (make sure to remove your existing schrader valves before installing them)
You will need to remove the hood to replace the old condenser. Once I had done that I also replaced my radiator (since 90 percent of the labor was done) with a new aluminum champion radiator very little modification needed to install. Lastly I took it to my local shop to pull a vacuum and fill with r134a
I found some great information here http://tech.corvettecentral.com/2008...4-ac-retrofit/
and here as well http://www.ebay.com/itm/A-C-AC-Unive...38.m2548.l4275
good luck
http://www.ebay.com/itm/A-C-AC-Unive...38.m2548.l4275. I did have to buy and custom bend some aluminum ac tubes from U bend'em on Summit's web site to make the connections from the new condenser to the existing ac hoses. I replaced the original orifice tube with a blue ford orifice tube which is also supposed to work better in our cars with r134a. You will need some r12 to r134a conversion fittings on the schrader valves. They will need to be the ones that are 90 degree adapters to be able to fit the new style manifold hoses to vacuum the system out and recharge it. They are available from napa for about $10 each. (make sure to remove your existing schrader valves before installing them)
You will need to remove the hood to replace the old condenser. Once I had done that I also replaced my radiator (since 90 percent of the labor was done) with a new aluminum champion radiator very little modification needed to install. Lastly I took it to my local shop to pull a vacuum and fill with r134a
I found some great information here http://tech.corvettecentral.com/2008...4-ac-retrofit/
and here as well http://www.ebay.com/itm/A-C-AC-Unive...38.m2548.l4275
good luck
If I understand, you used the factory hoses to the condenser?
Can you post a picture of how the u bend aluminum tubing runs from the condenser to the hoses?
Lastly what type of fittings do you need for the ends of the u bend aluminum for the condenser and the hoses?
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Thread Starter
Advanced
Joined: Mar 2014
Posts: 90
Likes: 9
Thanks for the information.
If I understand, you used the factory hoses to the condenser?
Can you post a picture of how the u bend aluminum tubing runs from the condenser to the hoses?
Lastly what type of fittings do you need for the ends of the u bend aluminum for the condenser and the hoses?
If I understand, you used the factory hoses to the condenser?
Can you post a picture of how the u bend aluminum tubing runs from the condenser to the hoses?
Lastly what type of fittings do you need for the ends of the u bend aluminum for the condenser and the hoses?
Thread Starter
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Joined: Mar 2014
Posts: 90
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For everyone following this do not forget to replace the accumulator/receiver dryer unit any time you open the system to air. Mine came as a combo kit from autozone with the compressor. An important part I did not want to leave out.
Thread Starter
Advanced
Joined: Mar 2014
Posts: 90
Likes: 9
Thanks for the information.
If I understand, you used the factory hoses to the condenser?
Can you post a picture of how the u bend aluminum tubing runs from the condenser to the hoses?
Lastly what type of fittings do you need for the ends of the u bend aluminum for the condenser and the hoses?
If I understand, you used the factory hoses to the condenser?
Can you post a picture of how the u bend aluminum tubing runs from the condenser to the hoses?
Lastly what type of fittings do you need for the ends of the u bend aluminum for the condenser and the hoses?
Thread Starter
Advanced
Joined: Mar 2014
Posts: 90
Likes: 9
Thanks for the information.
If I understand, you used the factory hoses to the condenser?
Can you post a picture of how the u bend aluminum tubing runs from the condenser to the hoses?
Lastly what type of fittings do you need for the ends of the u bend aluminum for the condenser and the hoses?
If I understand, you used the factory hoses to the condenser?
Can you post a picture of how the u bend aluminum tubing runs from the condenser to the hoses?
Lastly what type of fittings do you need for the ends of the u bend aluminum for the condenser and the hoses?
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1) a 93 is a C4
2) ask your question in the correct forum please.
3) closing 7 year old thread.