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POA

honestlou on Mon June 01, 2009 9:39 PM User is offlineView users profile

Year: 1971
Make: Olds
Model: 98
Refrigerant Type: R-12
Country of Origin: United States

R-12 system, A6 compressor. Not cooling. It has a POA, the line to the POA is cold, the suction line back to the compressor is cold. The line coming out of the evaporator is not cold. I suspect that either the evaporator is clogged or the POA is not passing any refrigerant through it. I have only done a visual inspection and have not done any pressure tests. The owner said he may have put some sealer in it. Not sure. Before I do anything else I will test for sealant. Any ideas on this one? Thanks

JJM on Mon June 01, 2009 11:43 PM User is offline

I dunno... could be the compressor, condenser, evaporator, expansion valve, muffler, POA, control head, vacuum reservior, heater valve, or some or all of the above. Won't know until there are actually some pressure readings taken.

It's kind of like going to the doctor with chest pains and the doctor taking wild guesses but never checking your blood pressure. But since we're playing guessing games, my bet is the expansion valve.

Joe

When considering your next auto A/C purchase, please consider the site that supports you: www.ACKits.com

Alphaman on Tue June 02, 2009 2:47 PM User is offline

Sealer on the AC is not good...

dray8165 on Sun June 07, 2009 7:04 PM User is offline

Get a hold of a senior member, Doug Kahane at [email protected]

You can send him your POA and he will test it for you. While you have the system apart, you can flush the evaporator, condenser, and get a new drier ready. Mr. Kahane adjusted my POA for use with 134a and I am extremely pleased with the results. If you decide to go that route, you have to drain the compressor of mineral oil and replace with PAG. Good luck.

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