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Thread: Sanden A/C compressor on Buick 350-v8

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    Sanden A/C compressor on Buick 350-v8

    I have a 71 Skylark. has anyone converted over from the GM set up to the Sanden or other GOOD aftermarket AC system?
    where? what brand? part number? cost? etc.

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    I am not sure your question is clear. Are you wanting to install a a/c system, or have you had a problem with your OE compressor and feeling it is because it is an OE compressor?


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    Quote Originally Posted by Bob View Post
    I am not sure your question is clear. Are you wanting to install a a/c system, or have you had a problem with your OE compressor and feeling it is because it is an OE compressor?
    the car is a 71 BUick with a 350-4v auto with factory AC on it.
    The compressor is seized. The system itself has been open for I don't know how long but I know thats BAD.

    I was hoping there was a Sanden kit to convert it over to R134. Years ago, I bought a Sanden kit for another car and it bolted right on with NO problems, it came with the mount, compressor, both hoses, receiver/dryer, etc. All we had to do was evacuate the system and put some special oil in it and it ran perfect for 20+ years.

    It seems that the 71 Buick has something peculiar about its factory air relative to the 70 or 72, or the other GM stablemates (chevelle, cutlass, etc)

    So, what do I NEED to do to make this WORK? Any recommendations on any pro's here in PHOENIX.??

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    I have not worked on a 1971 a/c system, but I would be very surprised if there was a significant difference in the systems as you have suggested. The OE compressors were very dependable, I have two, and know that one is OE to the 1966 Riv. They both still run R12.

    I expect as the system has been open for a long time, you would be best to replace evaporator, condensor, and poa valve. The hoses, you can probably clean satisfactorily.

    I am sure there are many good, capable a/c techs in Pheonix, but I am a long way from there.


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    Yep, I replaced everything.
    Hired a "pro" to do it.
    I got $6800 in the job, brought it back FOUR times and it still does not work.
    What a deal.
    Can't find anybody in Phoenix that Knows ANYTHING about A/C for both CARS and HOMES.
    I hate the thought of moving back to MN. At least you could get something fixed back there.

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    ELEVEN times back to the same shop. Had FIVE bad compressors, 2 of them rebuilt GM A-6's, 2 of the new 10 piston jobs, and a Sanden.
    they all LEAKED front seal on day ONE!!
    Had leaks on POA valve bypass unit.
    now my only hangup is the heater control unit.
    I guess it never ends.
    I would have thought this would be easy as how many GM A bodies were made from 68 to 72?? what 10 million? and nobody knows squat.
    very frustrating.
    Well, it works but I can't get heat due to the heater control unit.
    I'm ready to sell and go back to my mopars! I'm sorry I sold my 69 Charger.!

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