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Another victim of the Black Plague...

Chewed 71'er on Sun July 04, 2010 3:14 AM User is offline

Year: 1993
Make: Oldsmobile
Model: Cutlass Ciera
Engine Size: 3.3
Refrigerant Type: R-134a
Country of Origin: United States

Converted my Olds from R-12 to R-134a in 2006. Installed a rebuilt compressor, flushed the system, replaced orifice tube and receiver/dryer, filled with BAV 100 oil. She ran flawlessly for 4 summers. 2 weeks ago, the compressor locked up. Opened the system, found dreaded black sludge on orifice screen. When converted to 134a, I retained the original R-12 condenser. Could this be a contributing factor to compressor failure? Is heat the primary cause of 'black death'? If a parallel flow condenser is used, can it be thoroughly flushed following a compressor failure? Here in northern Missouri, summers are usually in the upper 80's and lower 90's, on occassion temp will hit 100. DO appreciate your knowledge and personal experiences. Thanks.

TRB on Sun July 04, 2010 11:19 AM User is offlineView users profile

We do not believe that true PF condensers can be flushed. I know Hecat states if you use the H1000 they can and he has proved this to be true. But even he will agree, unless you have some advanced flushing equipment it's best to replace the Pf condenser.

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HECAT on Sun July 04, 2010 12:12 PM User is offline

Quote
Originally posted by: TRB
unless you have some advanced flushing equipment it's best to replace the Pf condenser.

Agreed.

Don't fool your self; pour in-blow out and "poof" can (aerosol or you-fill) methods are not flushing; they are more like a rinse.

If you cannot buy, borrow, or pay someone to use a high velocity professional flushing method; a contaminated PF condenser should be replaced.

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