A/C question
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Tuned
Joined: Mar 2015
Posts: 272
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From: Texas
If youre going to 134 it its best to replace the condenser too. A 134 condenser has more cooling area and works much better than the OE one designed for R12. I did a kit from Classic Auto Air which included everything except the evaporator for around $800. Works great so far.
Senior User
Joined: Jul 2015
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It comes with everything except the evaporator. Ford OEM Factory Air Conditioning Parts & Restoration Services
the '73 - '79 kit isnt on their website but they have one and it fits perfectly.
More Turbo
Joined: Jun 2015
Posts: 534
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From: North Texas
Tuned
Joined: Dec 2014
Posts: 350
Likes: 44
From: North central TX
What sort of condition is the current a/c system in?
Are all the parts still there and is the compressor free?
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Tuned
Joined: Mar 2015
Posts: 272
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From: Texas
I did just discover this bad spot on a small line going from the coil to the condenser
The compressor turns when I turn the control switch on and other then that one bad spot in that small line everything looks intact and from what I can tell nothing is missing
More Turbo
Joined: Jun 2015
Posts: 534
Likes: 27
From: North Texas
I had the same kink in my liquid line, you'll need to replace that (Fellow FTEr may have one for sale or you can get a replacement made at an A/C shop). Other than that you might be able to get away with a flush of the whole system and a charge.
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Tuned
Joined: Mar 2015
Posts: 272
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From: Texas
Since a common everyday Joe can't buy r12 anymore without a license could I get by if I bought one of those adapters for r12 to r134 from a parts store? With after I flush the system of course.
Fleet Mechanic
Joined: Sep 2012
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HoustonDave says:
"you can try purging the system by pumping a lot of alcohol through it, blowing it as dry as possible, then filling it"
Is there a process for this? I am having an A/C guy come to my house for some ac repair, I am hoping he can remove the r-12, then purge the system for me as I am taking the ac from a parts truck into my restoration project.
"you can try purging the system by pumping a lot of alcohol through it, blowing it as dry as possible, then filling it"
Is there a process for this? I am having an A/C guy come to my house for some ac repair, I am hoping he can remove the r-12, then purge the system for me as I am taking the ac from a parts truck into my restoration project.
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More Turbo
Joined: Jun 2015
Posts: 534
Likes: 27
From: North Texas
I think as long as the system has been closed (not unhooked where the elements have gotten in there - a flush, recharge with R134 (and PAG Oil) should give you conditioned air. There might be some o-rings you'll need to replace either because they are old or don't work well with R134 (read:leaks). Most folks will tell you that R134 in an R12 system doesn't produce as cold air as the old R12 did (expectations) but it'll be better than hot!
You might search in FTE/google/youtube for purging methods to see how it's done. I think its pretty straightforward if you have/borrow the right gear.
You might search in FTE/google/youtube for purging methods to see how it's done. I think its pretty straightforward if you have/borrow the right gear.
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