93 Air conditioning problem. Help!

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Thread: 93 Air conditioning problem. Help!

  1. #1

    93 Air conditioning problem. Help!

    I have a 1999 93 SE. Great car, love it. However the aircon is play up and it is boiling outsie at the moment! Here are the symptoms. When the car is cold the air con works and the air is cooled. After about 10 minutes (less if it is warm outside) it goes to muggy outside air with no cooling. After that I press ECON and open the windows. I have had the system filled up and it made little difference. Any ideas?

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  3. #2
    Administrator kez's Avatar
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    Re: 93 Air conditioning problem. Help!

    hi welcome to SS

    it could be numerous things low pressure in the system.........failing aircon compressor pressure switch or even a blockage

    did they just refill or test with macine still connected as this would give indication to fault ia the pressure guages as to the problem

    just to rule out a few things locate the a/c relay remove and bridge terminals 30 and 87 of the relay base (you can match the numbers from the bottom of the relay to the base there will be 30 87 85 and 86

    try this and see if runs a little longer but dont leave connected and come back

  4. #3
    Administrator aerojon's Avatar
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    Re: 93 Air conditioning problem. Help!

    welcome to SS..

    moved to the correct 9-3 workshop..
    My 9-3 audio,2 x cd changers,aux-in & Bluetooth audio streaming..

    Buy cheap pay twice..

  5. #4

    Re: 93 Air conditioning problem. Help!

    I'll give the relay jump a try and report back. I assume it just forces the air conditioning system to run independant of the cabin controller.

  6. #5
    Administrator kez's Avatar
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    Re: 93 Air conditioning problem. Help!

    yes, have engine running and a/c set to max cooling.......... this is what diagnostic equipment does to force on

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