A/C help

CRAZEEDUDE1974

MEMBER
1989 BUICK RIVIERA
241,000 MILES

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

Thursday, April 18th, 2013 AT 5:08 PM

8 Replies

ASEMASTER6371

MECHANIC
52,797 POSTS

Thats the low pressure switch job.

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

Roy

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Thursday, April 18th, 2013 AT 5:30 PM

CRAZEEDUDE1974

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6 POSTS

I disconnected the cables tonight will see what happens tomorrow

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Thursday, April 18th, 2013 AT 5:34 PM

CRAZEEDUDE1974

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6 POSTS

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

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Monday, April 22nd, 2013 AT 6:28 PM

ASEMASTER6371

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52,797 POSTS

Did you put any freon in the system yet? It has to have enough to engage the low pressure switch

Roy

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Monday, April 22nd, 2013 AT 6:31 PM

CRAZEEDUDE1974

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6 POSTS

Put one can in or should say I think it went in

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Monday, April 22nd, 2013 AT 6:33 PM

ASEMASTER6371

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It will only re set with freon in the system

Roy

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Monday, April 22nd, 2013 AT 6:35 PM

CRAZEEDUDE1974

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6 POSTS

Ok I'll give it another try tomorrow and I will be leaving a donation on paid day

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Monday, April 22nd, 2013 AT 6:53 PM

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?

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Tuesday, April 30th, 2013 AT 12:33 PM