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#1
08-07-2009, 02:56 PM
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R134 to R12 (de)conversion
I've been reading myself half to death about this topic. I am ready to undertake this, but I have one last question. I've seen mentioned a number of times that part of a conversion should be changing o rings. Why is this necessary?
Thanks, Mark
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I never go far without a little Big Star 1994 E500 199/Gray 82k 84 300D (Salty) Orient Red/Palomino 141k 88 300CE (Ersatzhammer) 904/Java 163k -- Turbo Technics twin turbo kit, AMG Gen I body kit, Sportline steering box and steering wheel, Sportline/Eibach /Bilstein Sport/500E suspension, Quaife LSD in 210 mm diff case, Silver Arrow brakes. 88 300CE Brabus 3.6 199 on Black 44k 
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#2
08-07-2009, 03:26 PM
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If your oil isn't compatible with R12, you need to flush the system. Putting it back together again will require new o-rings.
If your oil is compatible, I see no reason to flush the system or replace any o-rings that aren't leaking. The new, green HBNR o-rings are fine for R12.
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