Adjusting POA for 134a - 70 Deville
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RWD 19xx-1984 DeVille and Fleetwood,
1985-1996 Fleetwood and Brougham Forum Discussion, Adjusting POA for 134a - 70 Deville in Past Cadillac Vehicle Discussion; I'm getting ready to change out my seized up AC compressor. My question is this: Should I go through the ...
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    Cady70's Avatar
    Cady70 is offline Cadillac Owners Member
    Automobile(s): 70 Deville, 90 Allante
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    Adjusting POA for 134a - 70 Deville

    I'm getting ready to change out my seized up AC compressor. My question is this:
    Should I go through the expense of sending out the POA to have it calibrated for 134a? Has anyone done this and what benefit did it offer?
    It's going to cost more for this than the compressor so I'm very reluctant to do it. Keep in mind I'm doing all the other routine stuff as well (i.e. cleaning out the lines, o-rings, new expansion valve, dryer ...)

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    jayoldschool's Avatar
    jayoldschool is online now GM RWD V8 addict
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    Re: Adjusting POA for 134a - 70 Deville

    I would keep it stock, and find someone to fill it with R12.

  4. #3
    The Ape Man's Avatar
    The Ape Man is offline Cadillac Owners Connoisseur
    Automobile(s): '80 Fleetwood Coupe, 1994 and 1995 Mercedes 140 Coupe
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    Re: Adjusting POA for 134a - 70 Deville

    R-12 can be had on places like ebay.

    R-134A requires the use of a crossflow condensor in order to meet BTU goal.

    AC will not work anywhere near factory spec. without one.

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