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  • whos changed their compressor?

    who here has changed the a/c compressor in a firebird, specificlay 4th gen.

    im going to be changing mine this week any day and i would like to maybe get some tips and a how-to before i go about it.

    any help would be great, thanks.

  • #2
    Re: whos changed their compressor?

    Ive taken it off/on like three times...be very careful when releasing the compressed air, take the whole thing as a unit off including the bracket, theres a little bracket behind it that can be a b!tch to get off, other than that i dont know what to say its pretty easy. If you have specific problems just ask.

    '96 Trans Am M6:) Cam, lifters, 1.6rr, lt4 springs, 4 bolt mains, long tubes, TDs, short throw...etc
    '99 Firebird SOLD 1/4 mile 15.4 @ 86
    '66 Ford SOLD

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    • #3
      Re: whos changed their compressor?

      ya there is pretty much no air in the system, we've already let it out, most of it already leaked out! lol. but i ordered my compressor friday and they saiid i should get it monday, depending on what time tomorrow is whether we get it in tomorrow, if not in time, well do it tuesday

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      • #4
        Re: whos changed their compressor?

        How much does a compressor cost? Mine is going out on me

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        • #5
          Re: whos changed their compressor?

          I changed mine on my 99 a couple years ago. Since the refrigerant is already out, you just have to remove it. Remove the line into the back of the compressor first, then the two mounting bolts in the rear. This is the toughest part and there isn't much access. Then you can remove the front three mounting bolts, holding the compressor in your other hand to grab it once loose. Reverse this procedure when putting it back in.

          Replace the accumulator and orifice tube. My accumulator sounded like a maracca when you shook it from all the metal flakes in there...they will ruin the replacement compressor. Replace all removed o-rings in the system with new ones, and oil them up well with ester oil to keep them sealed. Make sure you get the oil add procedure correct. You need to get some PAG oil, and add a certain amount to the compressor and accumulator to lubricate the system. Too much or not enough is bad. The compressor should have detailed instructions, like drain and measure the old oil, then depending on how much you get out, add a certain amount to the new one. Then spin the new compressor to circulate the oil in it.

          Now reverse the disassembly steps to put the compressor back in. Now you need to the get the system vacuumed down by a shop to remove all the air and moisture that got in there while you had it open. It should cost around $50. Then you can recharge it yourself using a kit from Walmart or the auto parts store, or fork over another $50 and have a shop do it.

          If you follow all of this, you shouldn't have to do this again. If you don't, it will probably fail again within a couple years due to metal contamination, moisture/air, or lack of oil.
          1999 Y87 Camaro<br />Whisper Lid, SLP SS Takeoff Exhaust

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          • #6
            Re: whos changed their compressor?

            ok thank you. and i will be doing all this at my school i go to. so all labor is free, all i had to buy was compressor, orfice tube, and accumulator, it all came to $200.07 not bad, and to get it recharged will cost me 12.97

            all my parts came in today, so maybe tomorrow we'll get started

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            • #7
              Re: whos changed their compressor?

              where did you order your parts from?

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