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Old 08-07-2016, 05:02 PM
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jc in rb
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Default AC compresser

I need a new ac compressor. i checked pelican and paragon and the only affordable option is the rebuilt denso . anyone have any experience with them?i read the one review and it said the seals only last about a year??whats the real scoop
the re manufactured O.E.M is 22 hundred bucks sooo no go on that ....
Old 08-07-2016, 05:15 PM
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mahoney944
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I bought mine from 944online a while back, it was more expensive than your average compressor but not 2,200. I think it was a few hundred. quality unit. easy installation

heres the link http://944online.com/index.php/rebui...essor-kit.html
Old 08-07-2016, 05:27 PM
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SamGrant951
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https://griffiths.com/product-catego...essors-kits-2/
Old 08-07-2016, 06:07 PM
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jc in rb
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thanks guys, paragon has 'em for about tree fitty for the denso. 22 hundred for the oem think i will give it a go even if the seals only last a couple of years (denso).
Old 08-07-2016, 06:08 PM
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V2Rocket
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I bought the Denso-rebuilt compressor from Pelican for my early 944.
2 years now, I think?
Works great.
Old 08-08-2016, 03:09 AM
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djantlive
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There are some sources of new compressors but I question if they are really new or rebuild as the prices are around $550.

My shop is putting a new compressor and drier in. They tell me it is new and only $595. All in all, the job will be $1400 with new belts too.

If you can, get the parts urself. However, the shop will not warranty the work if you bring your own parts. Given how expensive this job is, I elected to go thru the shop for parts and labor.
Old 08-08-2016, 05:48 PM
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mahoney944
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I would not hesitate to do this job yourself. Even if you've never worked with a/c, it's super easy. Do a few YouTube searches and you'll have it down. I bought the 944online kit, installed it myself (first time a/c install for me.) It worked perfectly and saved so much money. I would say anyone with basic car repair skills can handle this job. I don't remember how long it took me but I did it casually in one evening after work.

You'll need:
1. Compressor, drier, and seal kit ($545)
2. R12 to r134a adapter fitting (< $8)
3. A few cans of r134a (maybe $5 a can)
4. R134a fill hose (comes with r134a can kits)
5. AC Line Oring Kit (944online, these are all the o-rings where all the AC hoses connect) ($26)

...And maybe 2 or 3 hours of time, if you're taking your time.

Last edited by mahoney944; 08-08-2016 at 06:05 PM.
Old 08-10-2016, 11:47 AM
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MC Luc
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Mahoney944 - I have a used working compressor that I am going to buy and install (1st time AC attempt). Should I buy the dryer and o-ring kit also, or what else do you think I need? The AC system has already been converted to R134a.
Old 08-10-2016, 12:04 PM
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djantlive
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You may want to replace the two drive beltswhile ur in there. They need to come off anyways. When you have the old compressor lines disconnected, see if there is any debris in the line. If so, you will need to flush the system to ensure the compressor doesn't get messed up
Old 08-10-2016, 01:00 PM
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Arominus
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I would suggest going on amazon and buying a vacuum pump, a r-134 manifold and a can tap. You really want to put the system under vac before you charge it. Its my way of checking for leaks. If it won't hold vac for 30min+ without loosing anything i know its fairly good to go. If it doesn't i put a little freon in the system and hunt for the leak. This is how i found a bad o-ring on my compressors manifold.

vac pump: https://www.amazon.com/Robinair-1531...ir+vacuum+pump

r134 manifold: https://www.amazon.com/Mountain-8205...=r134+manifold

Can tap: https://www.amazon.com/Mountain-8401...s=r134+can+tap

Adapter you will need for the vac pump to manifold: https://www.amazon.com/FJC-6014-Vacu...XS525YB7PGRWV5

With those tools you can refill empty systems correctly. If you wish to legally recover you will need a recovery machine and a tank (about 450 more for entry level) and your EPA certifiticate.
Old 08-10-2016, 01:41 PM
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Tedro951
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I use the free loaner from my local parts store.
Old 08-10-2016, 03:13 PM
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Creating a vacuum is a must. Without it, you will leave moisture from air which will mess up the compressor. Doing an ac job has no short cuts. If you don't do it right, you will be back with a bigger bill in a year or two.
Old 08-10-2016, 06:58 PM
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mahoney944
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Originally Posted by MC Luc
Mahoney944 - I have a used working compressor that I am going to buy and install (1st time AC attempt). Should I buy the dryer and o-ring kit also, or what else do you think I need? The AC system has already been converted to R134a.
I would replace all the o-rings and the drier, I opted to not replace the 2 o-rings on the firewall because they are harder to get to. I figured worst case it leaks there eventually and then I'll replace them at that time. Other than that, I did not evac the system but its not a bad thing to do. I don't think it's all that important unless you still have r12 in the lines or feel **** about it. I'd buy a new bottle of Ester oil and flush out the used compressor (this oil works with both r12 and r134a). Just funnel in the new stuff and rotate the compressor around. I think it's suppose to have 8 oz or so. Maybe someone else can verify that.

Filling is easy hook up your can to the compressor while the AC snow flake is on, temp set to cold, and fan set to high. The AC compressor will start kicking on and off once it starts filling up. I think I used 2 -3 cans of r134a (12oz) .

Also find your low pressure AC line fitting (this is the larger of the two lines). They are either on the strut tower by the coolant tank or at the compressor. Lucky you if it's the strut tower one. I had the one at the ac compressor. The hose fitting was a bit tight so I had to cut a notch in the hose fitting to allow it to squeeze on.

Lastly remember, our cars came with r12 fittings, so you'll need to buy the retro fit adapter for $8 or so at you local auto parts supply (Autozone / advanced auto parts both carry them)



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