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A/C comp rebuilder

Discussion in '360/430' started by ItalGerBrit, Aug 17, 2023.

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  1. ItalGerBrit

    ItalGerBrit Formula Junior

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    #51 ItalGerBrit, Apr 14, 2025
    Thx. I will try both of your suggestions. Looks like nothing but Chinese unbranded compressors are being sold.
     
  2. WantaF430

    WantaF430 Karting

    May 10, 2023
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    #52 WantaF430, Apr 14, 2025
    For what its worth I bought a rebuilt off Ebay and (knock on wood) a couple hundred miles in, its working fine. They offered a core exchange, but I opted to keep mine for now. I may send it to them to rebuild it for me (on the agreement I get the same one back) if this one I got from them survives the entire Texas summer with no issues.
    The seller was -
    coldworksac2
     
  3. Sj_engr

    Sj_engr Formula 3

    Sep 15, 2020
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    #53 Sj_engr, Apr 14, 2025
  4. ItalGerBrit

    ItalGerBrit Formula Junior

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    #54 ItalGerBrit, Apr 14, 2025
    Unfortunately, my core was not rebuildable. The expansion was totally clogged and apparently starved the compressor of oil and ruined it. Not having a rebuildable core is causing a problem for me. I called Compressor International and they are looking for a core. Same with ColdworksAC.
     
  5. WantaF430

    WantaF430 Karting

    May 10, 2023
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    #55 WantaF430, Apr 14, 2025
    Ok, well when I bought mine in February they didn’t require a core. In fact the core credit was kind of laughable I think less than $50.
     
  6. ItalGerBrit

    ItalGerBrit Formula Junior

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    #56 ItalGerBrit, Apr 15, 2025
    ColdworksAC had two remans in stock with no core required so I have a compressor on the way. Fingers crossed!
     
    Jaymac and WantaF430 like this.
  7. WantaF430

    WantaF430 Karting

    May 10, 2023
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    #57 WantaF430, Apr 15, 2025
    Good luck, certainly let us know if you have any issues with it.
     
  8. 67bmer

    67bmer F1 Rookie
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    #58 67bmer, Apr 16, 2025
    I bought one too!
     
  9. Sj_engr

    Sj_engr Formula 3

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    #59 Sj_engr, Apr 16, 2025
    Post results when installed. I would recommend replacing the drier and adding proper oil amount at the same time.
     
  10. 67bmer

    67bmer F1 Rookie
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    #60 67bmer, Apr 24, 2025
    Parts arriving...

    pictures not loading...
     
  11. 67bmer

    67bmer F1 Rookie
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    #61 67bmer, Apr 25, 2025 at 8:28 AM
  12. GogglesPisano

    GogglesPisano F1 Rookie
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    #62 GogglesPisano, Apr 25, 2025 at 10:06 AM
    I always like to know where my labels are printed. Don't want any of those cheap Chinese labels on my reman parts :D
     
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  13. 67bmer

    67bmer F1 Rookie
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    #63 67bmer, Apr 26, 2025 at 7:32 PM
    View attachment 3825612

    Remove these 4 items and it comes right out!

    I dint realize the fittings on the dryer rotate and pulled the high pressure line out. You probably don't nee to! 17mm and 19mm wrench will do it and they are not that tight.
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    Getting the compressor out is proving to be a little more work.

    The expansion valve is buried, I am going to try flushing the evaporator before attempting to remove the EV!

    I haven't see any particles in the oil so far. Makes me wonder if the compressor was really bad?
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  14. ItalGerBrit

    ItalGerBrit Formula Junior

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    #64 ItalGerBrit, Apr 27, 2025 at 11:29 AM
    67Bmer,

    Would you mind taking pictures of your compressor from all angles to see if there are markings to identify it as Delphi? My ColdACworks came in with no label and nothing to identify it brand wise.

    The expansion valve was extremely difficult for me to get out. It is behind a plastic cover with two retaining screws but someone epoxied the cover on(A/C was probably serviced by previous owner) so I had to fish out the valve from the top using a mirror and working blind all scrunched up in the pass foot well. My valve was totally clogged up and my guess is that the comp was not getting oil. I only found one ~3mm flat alum shard in the exhaust port of my compressor and nothing in any of the lines or evaporator when flushed.

    Back to the first question. Does anyone know how to identify an OEM compressor?

    Daniel at Ricambi told me he no longer stocks compressors and that "new" OEM compressors are 5K! Prices are all over the map on 360 and Masarate compressors so it looks like all of the compressors out there are after market. I contacted Compressor International and was told that their rebuilt 360 comps are after market.
     
  15. 67bmer

    67bmer F1 Rookie
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    #65 67bmer, Apr 27, 2025 at 1:16 PM
    well that post was messed up!
    hopefully this is the correct 1st photo
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    Getting the compressor out is quite the challenge! Although I suspect perhaps less than the EV!.I haven't found anything wrong yet! No metal in the lines, oil, etc. The new compressor requires a lot of torque to turn and the old compressor has almost no running torque. Only slightly more than the clutch. I will post more soon. I am going to flush the system today, and possibly wait until next weekend to reassemble. I saw one video where they speculated compressor failure was the result of residual flush.
     
  16. ItalGerBrit

    ItalGerBrit Formula Junior

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    #66 ItalGerBrit, Apr 27, 2025 at 1:44 PM
  17. 67bmer

    67bmer F1 Rookie
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    #67 67bmer, Apr 27, 2025 at 5:05 PM
    I wish they would not have painted the compressor housing!
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  18. 67bmer

    67bmer F1 Rookie
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    #68 67bmer, Apr 27, 2025 at 5:18 PM
    The cast steel bracket can come out, but not attached to the compressor. There is not enough clearance between the chassis and the stud.

    I had to remove the wire clamp to get enough room to break loose the upper bolt with the 6-point. This was the only really tight screw.

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    Then the compressor can come out. The screw holding the manifold was tight and appears to have had thread lock applied. A little impact wrench and it comes right out.
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  19. 67bmer

    67bmer F1 Rookie
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    #69 67bmer, Apr 27, 2025 at 5:28 PM
  20. aventari

    aventari Karting

    Dec 9, 2010
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    #70 aventari, Apr 28, 2025 at 2:48 AM
    Just some info: I removed my AC compressor a few days ago and it is at my local AC shop here in San Diego. They sent it to a rebuilder in Reno NV and it's
    getting rebuilt for $450.

    It still worked, I just wanted to rebuild it while it was out of the car. The orings were leaking I think. (And possibly the compressor body)

    The car is a 99 F1 Modena.

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  21. 67bmer

    67bmer F1 Rookie
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    #71 67bmer, Apr 28, 2025 at 7:08 AM
    Looks like yours came out with the bracket. Is your stud shorter?
     
  22. ItalGerBrit

    ItalGerBrit Formula Junior

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    #72 ItalGerBrit, Apr 28, 2025 at 12:52 PM
    Thanks for all the detailed photos. Different last few numbers and no Delphi sticker but my rebuilt comp looks very much like yours.
     
  23. 67bmer

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    #73 67bmer, Apr 28, 2025 at 2:23 PM
    Did you take any pictures?
    That looked so daunting that I have not tried yet after removing the glovebox! I haven't found any metal flakes, grime, grit, etc. I am thinking about skipping it. I have flushed both ways and nothing came out.
     
  24. DiSomma6

    DiSomma6 Karting

    Nov 27, 2023
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    #74 DiSomma6, Apr 28, 2025 at 3:53 PM
    Just a word from my alternator/ac rebuilder who warned me before getting a rebuilt alternator:

    He said Delphi no longer sells spare parts for alternators, so the rebuilders can only install aftermarket parts, which typically don't share the quality standard of OEM. Sure enough the rebuild shortly failed. After going through two rebuilds (my car is a daily driver), I purchased new at the dealer. Then 60K+/- miles with no issues.

    Not sure if the same is the case for compressors, but I'd imagine it is. Whenever possible, get new. That way there will be no issues.
     
  25. ItalGerBrit

    ItalGerBrit Formula Junior

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    #75 ItalGerBrit, Apr 28, 2025 at 5:40 PM
    I was told by Daniel(Recambi) that a "new" one was ~5k. some of the other vendors are ofering them for ~4K. Looks like there are no "new" ones being built. All Chinese junk it seems.
     
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