A/c help

1989 BUICK RIVIERA
241,000 MILES
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CRAZEEDUDE1974
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I need help trying to get the air cond recharged compressor will not engage how do you reset the CRT computer to recharge the a/c all it sez is refrigerant low compressor disengaged to prevent damage
Apr 18, 2013 at 5:08 PM
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ASEMASTER6371
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thats the low pressure switch job.

try disconnecting battery and re installing and see if that does it

Roy
Apr 18, 2013 at 5:30 PM
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CRAZEEDUDE1974
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I disconnected the cables tonight will see what happens tomorrow
Apr 18, 2013 at 5:34 PM
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CRAZEEDUDE1974
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That did not work what about the CRT diagnostics I know how to get into that but not sure what to do once in there lol
Apr 22, 2013 at 6:28 PM
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ASEMASTER6371
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did you put any freon in the system yet?? it has to have enough to engage the low pressure switch

Roy
Apr 22, 2013 at 6:31 PM
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CRAZEEDUDE1974
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Put one can in or should say I think it went in
Apr 22, 2013 at 6:33 PM
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ASEMASTER6371
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it will only re set with freon in the system

Roy
Apr 22, 2013 at 6:35 PM
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CRAZEEDUDE1974
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Ok I'll give it another try tomorrow and I will be leaving a donation on paid day
Apr 22, 2013 at 6:53 PM
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CRAZEEDUDE1974
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Ok system charged by using a jumper wire to engage the compressor it's fully charged and still doesn't work when I plug factory wire back in.....I also changed the low pressure cut off switch....climate control computer??? And where is that located please?
Apr 30, 2013 at 12:33 PM