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.
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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