84 Spider A/C rebuild - Alfa Romeo Bulletin Board & Forums

 
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post #1 of 6 (permalink) Old 12-26-2015, 07:38 PM Thread Starter
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84 Spider A/C rebuild

Looking to rebuild the air conditioning on my spider. I've had it for a few years, but it's never worked since day one and this is the first time I've dug into it.
I assume primarily I need to replace the compressor, dryer and condenser.
Any ideas where I can get each of the components and any other feedback on what I should do would be greatly appreciated.
I've got the engine pulled now and figured this was the best time to fix it.
Once it's complete and installed I plan on having an A/C specialist pressure test it and recharge the system.
Thanks,
LB

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Nobody remembers the guy who finished second but the guy who finished second. Bobby Unser
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post #2 of 6 (permalink) Old 02-29-2016, 10:30 AM
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Bump!

How did the A/C refurbishing go? Seems like not a lot of input on A/C issues. I'm replacing the carpet/interior on my 1981 Spider, so I thought it would be a good time to get started troubleshooting my non-op A/C. Very slow going. In Houston its nice to have even the most anemic A/C sometimes.

Geoff

1989 Alfa Milano (Daily Driver)/1981 Alfa Spider (Current Project)/1987 Alfa Spider (RIP)
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post #3 of 6 (permalink) Old 02-29-2016, 10:50 AM Thread Starter
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Geoff,
Not a single response...
So i went ahead with what I perceived to be logical.
I just got the engine and transmission back into the car yesterday so its been a slow process and still a lot of work to do.
I bought a new compressor and dryer. I took both the rad and condensor to my local rad shop and had them tested and cleaned.
The hoses all 'appear' to be okay, no cuts, chaffing or splits.
I plan on connecting the hoses to the condenser, but will let the AC specialist remove the caps off the compressor and dryer to make the final connections and let them vacuum the system and pressurize it and pray there are no other leaks.
I'm going with the R-12 and hope for the best.
Good Luck,
LB
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84 Spider
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post #4 of 6 (permalink) Old 03-03-2016, 01:54 PM
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Just saw your thread and say it will be r-12 system, well r-12 is sooo expensive that I would recommend all new modern barrier type hoses, what with the originals being 30 YO and typically non barrier that allow some r-12 thru them. Back then a can of r-12 was a 99 cents and a yearly top off was normal. Once you remove the old hoses an a/c shop can make a set with the fittings properly clocked for not very much.
George

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post #5 of 6 (permalink) Old 03-03-2016, 02:07 PM Thread Starter
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I will shop around and look at that, there are other threads of guys paying $300 a piece for some hoses, that's pretty steep

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post #6 of 6 (permalink) Old 03-08-2016, 08:39 AM
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R12 isn't that expensive anymore. The supply is still low but demand is way down. I picked up a couple of cans for $10 or $15 bucks a piece at a recent swap meet and the last really good A/C shop I worked with (in another state, sadly) charged a little less than double the R134a price for R12. Totally doable.

It is true that the original R12 hoses are non-barrier but from what I've been told that's fine with R12, as the molecules are larger than R134a molecules. If you do want to convert to R134a and have it not leak replacing hoses is the way to go.

-Jason

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1974 Spider restoration project
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