1992 Deville for only $599.00!! - Page 2
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, 1992 Deville for only $599.00!! in Past Cadillac Vehicle Discussion; Strange.. when I plug in the compressor, climate control on econ, I get the loud noise and the clutch IS ...
  1. #16
    Joe Sixpack is offline Cadillac Owners Member
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    Re: 1992 Deville for only $599.00!!

    Strange.. when I plug in the compressor, climate control on econ, I get the loud noise and the clutch IS spinning. When I unplug the compressor and restart the car, the noise is gone and the clutch is not spinning. Yet when I stuck a small screwdriver in the schrader valves, nothing comes out- There is no freon. I thought the clutch shouldn't engage if there is low or no charge. And I have no yellow lights on in the dash..

  2. #17
    elwesso's Avatar
    elwesso is offline Cadillac Owners Master
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    Re: 1992 Deville for only $599.00!!

    If its lost its charge, i bet the compressor is about gone... ITs seizing.....

  3. #18
    Joe Sixpack is offline Cadillac Owners Member
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    Re: 1992 Deville for only $599.00!!

    I think you are right. That is most likely where the freon leak is as well.

  4. #19
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    Re: 1992 Deville for only $599.00!!

    Yea that sounds like the compressor is going to me. I have the same problem in my K5 blazer. Gotta find out how much that is...

  5. #20
    viereckc is offline Cadillac Owners Member
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    Re: 1992 Deville for only $599.00!!

    I was driving my 89 coupe one day last summer about 95 degrees, hot day. I had my air on and all of a sudden my air started blowing warm. I then noticed that the spedometer was not working (analog dash). I pulled over and checked fuse thinking it was just that. Looked at fuses and that one was blown. Changed fuse and turned on car and spedometer started working again. 15 miles later I was coasting into a rest area parking lot. Compressor siezed up. 998.00 later it blows ice cold!

  6. #21
    Joe Sixpack is offline Cadillac Owners Member
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    Re: 1992 Deville for only $599.00!!

    The car is on the road now. After a test drive, my wife drove it around town today. I needed a caliper piston seal to finish the brake job. It still needs AC, but with the compressor unplugged, the clutch stays disengaged and it is driveable. The engine runs a lot smoother than my 93 Deville with 195,000 miles. I think I'll tune up my 93 while I wait for the AC parts for the 92 to arrive. So far I am liking my $599 caddy. We have his and hers caddys now.

    I'm figuring that if I retrofit it for R134a, buy the parts and put them on myself and pay for a shop to vacuum and charge it, I might be able to get the AC working for less than I paid for the car. The thing is the accumulator and orifice tube I am going to need are different from the R12 spec. Back to the AC forum to find the part numbers.

  7. #22
    DoctorHemi's Avatar
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    Thumbs up Re: 1992 Deville for only $599.00!!

    Yep your compressor is gone. One can be had for only $219.95 tho so its not bad.

    I work in an A/C shop so here are a few tips for ya.
    1. Get new Compressor
    2. Get new Accumulator/Dryer
    3. Stick with the WHITE Expansion Orifice
    4. Use Ester Oil
    5. Make sure before you mount new compressor, that you flush out the condensor and evorporator to remove the teflon pieces from the blown compressor.
    6. Make sure you ad 4 ozs. of Ester oil to compressor before mounting.
    7. Completely vaccuum down system.
    8. Add 2oz additional Oil to system When Charging

    Don't quote me on this one, but i believe your car will take 2lbs. 4oz. of 134a
    I will check in the shop and post the exact amount to you if you need it.


  8. #23
    Joe Sixpack is offline Cadillac Owners Member
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    Re: 1992 Deville for only $599.00!!

    Thanks. I get codes F11 and F12- high and low side sensor fault or circuit. I'm wondering if the PO disconnected them, thought the wires are not cut anywhere in the engine compartment. Do you know where the PCM is that the wires lead to, is it behind the glove box? This car has the wires coming out of the windshield for a heated windshield, but it is unplugged and no sign of the other end of the connector. The blower motor wires were cut when i got the car, and the compressor unplugged. I'm wondering if the high and low sensors might have been cut as well. Tomorrow I will trace the wires all the way back to the PCM, maybe I just need 2 new sensors. Could someone have messed with the wires to make the car run with no refrigerant in the system? I thought the 92 Deville has some safety feature that doesn't let the car run with no rerigerant in it.

  9. #24
    Joe Sixpack is offline Cadillac Owners Member
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    Re: 1992 Deville for only $599.00!!

    One other thing- do i have to take the consenser and evaporator out of the car to flush them properly? The evap looks kind of hard to get to. Thanks again for your advice, Doc.

  10. #25
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    Exclamation Re: 1992 Deville for only $599.00!!

    No You Do Not

    Just DO NOT Allow flushing agent to enter the Compressor or the Accumulator/Dyer

    And remember to use plenty of compressed air to blow out the flush agent.

    IMPORTANT NOTE: NEVER NEVER NEVER Use High Pressure Air to blow out the Accumulator/Dryer...this can result in the dessecant bag in side rupturing.

  11. #26
    Joe Sixpack is offline Cadillac Owners Member
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    Re: 1992 Deville for only $599.00!!

    no I'm just gong to replace the accumulator/drier, and i already know better than to flushthe compressor. Once oiled and installed I will turn the compressor by hand about 10 times. Is there just one orifice tube, or is there another one by the condenser?


    Would you recommend sticking to R12 if I can get it or retrofit for R134a? If retrofit, how do you deal with the lower pressure setting off the F46 and F47 error codes on the Caddies and them wanting to switch back to econ mode all the time? The blue ford orifice tube has 0.67" opening rather than the 0.72" of the white, so the sensor "sees" the correct pressure. Others advocate putting a 2K ohm resistor aross the low side pressure sensor to keep the codes from appearing, and putting a 2K ohm resistor across the high side thermistor so the high speed fan cuts in at 200-210 psi instead of 285 psi when R134a is used. Usually with the blue Ford orifice tube, no resistor is need on the low side. Read http://ackits.com/forum/messageview....VAR_MSGDBTABLE= let me know what you think.

  12. #27
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    Re: 1992 Deville for only $599.00!!

    Well I'd go with 134a, R-12 is just to expensive

  13. #28
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    Re: 1992 Deville for only $599.00!!

    We retrofit average 20 Caddies a week to 134a and never have the problems you have mentioned.


    You could try it, but we allways go with the same orrifice as it came with, and on some we add 2-4ozs. extra 134 if it seems to need more. And have had no returns as a result of the retro-fitting

  14. #29
    Joe Sixpack is offline Cadillac Owners Member
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    Re: 1992 Deville for only $599.00!!

    Maybe the problem is only in the desert southwest. I should be fine with the white tube up here in Wisconsin. I can't find a fault in the high and low sensor wiring giving me the F11 and F12 codes. Maybe both sensors need replacing. Have you seen that in the caddies you've worked on Doc?

  15. #30
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    Re: 1992 Deville for only $599.00!!

    Never saw that both went bad at same time; but i suppose its possible.


    Make sure you have the orifice tube in the right direction.

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