Reconnecting a removed compressor
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Junior User
Joined: May 2002
Posts: 62
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From: KILGORE USA
Reconnecting a removed compressor
I have a 1981 F-150. I bought it 4 years ago for my son. When I bought it the r-12 system worked,not well,but it worked. After about a year it really didn't seem to do much at all. I told my son we'd get it fixed, but he was 17 and much smarter than me. So he decided to take it off all together since it was robbing him of important horse power. Not just from the belt but also the weight of the compressor. Well about 2 years ago he tragically lost his mind and bought a Cheby. Instead of letting him sell the Ford, I just took it back from him. This past Texas summer has gotten me wanting to hook the A/c back up. What do you think the odds are that the compressor is still good . and what parts do you recomend replacing to convert it to a 134 system.
By the way when he took the compressor off he said it spewed freon for quite a while so I guess it still worked back then with no real serious leaks.
By the way when he took the compressor off he said it spewed freon for quite a while so I guess it still worked back then with no real serious leaks.
Last edited by STUDENT; Sep 4, 2003 at 10:26 PM.
Post Fiend
Joined: Feb 2000
Posts: 11,496
Likes: 6
From: Kansas
Reconnecting a removed compressor
Long odds on a old system that has now been exposed to the elements (humidty). That freon was worth something even 3 years ago. So he vented $ to the atmosphere and I'm not going go into the rules about venting R12 into the air.
You will need to do a proper conversion and pull vacuum on the system for a extended period of time to make sure all the moisture is out.
When he opened the system 3 years ago, all the components were compromised. 3 years has made it that much worse.
How bad do you want AC?
You will need to do a proper conversion and pull vacuum on the system for a extended period of time to make sure all the moisture is out.
When he opened the system 3 years ago, all the components were compromised. 3 years has made it that much worse.
How bad do you want AC?
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Junior User
Joined: May 2002
Posts: 62
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From: KILGORE USA
Reconnecting a removed compressor
What exactly is a proper conversion? I know the dryer needs replaced and some fittings to convert to 134. What else is suggested. I've heard of flushing the system. is this something I could do or does it really even need to be done.
How bad do I want AC? The older and fatter I get the more important it's becoming. But then if it costs too much, I guess I'll just have to lose weight and and get younger somehow.
How bad do I want AC? The older and fatter I get the more important it's becoming. But then if it costs too much, I guess I'll just have to lose weight and and get younger somehow.
Senior User
Joined: Aug 2003
Posts: 114
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From: Acworth, GA
Reconnecting a removed compressor
Well if it's been open...umm well EVERYTHING needs replacing. Condenser, evaporator, dryer, compressor, hoses, everything. Get it all done and you won't have to worry about it for a long time.
Posting Guru
Joined: Oct 2000
Posts: 1,577
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From: Southern MD
Reconnecting a removed compressor
For the proper conversion proceedures, go to: http://www.ackits.com/forum/categories.cfm?catid=17
and read the suggestions, plus the other worthwhile information posted.
and read the suggestions, plus the other worthwhile information posted.
Posting Guru
Joined: Oct 2000
Posts: 1,577
Likes: 0
From: Southern MD
Reconnecting a removed compressor
STUDENT
Here is what I'd do if it was mine;
Flush the entire system with mineral spirits as per accepted standards.
Replace all the old o-rings/seals with new.
Replace the accumulator/drier.
Flush the compressor with the proper oil (not solvent) and install the proper amount of oil.
Install the rest of the required oil in the system.
Pull a 29" vacuum for an hour or so, let it sit for a few hours and determine if there are no leaks.
If no leaks, install required R-134 using a good manifold gauge set.
Here is what I'd do if it was mine;
Flush the entire system with mineral spirits as per accepted standards.
Replace all the old o-rings/seals with new.
Replace the accumulator/drier.
Flush the compressor with the proper oil (not solvent) and install the proper amount of oil.
Install the rest of the required oil in the system.
Pull a 29" vacuum for an hour or so, let it sit for a few hours and determine if there are no leaks.
If no leaks, install required R-134 using a good manifold gauge set.
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