RE: AC seals/r134a

• Subject: RE: AC seals/r134a
• From: R2002tii@domain.elided
• Date: Tue, 10 Sep 1996 23:41:55 -0400

In a message dated 96-09-10 23:15:25 EDT, you write:

<< Wait a minute....... nitrile / neoprene / nylon   O rings need nothing
 but
 a good interference fit in their fittings to seal. The part of the of >>

Nitrite o rings need oil to seal (even the green ones) your supposed to oil
o-ring for ease of installation and proper sealing, the only thing I can
think of that does not need oil is a sealing washer (I dont know if BMW uses
'em tho). R134a works ok but because it runs at a higher pressure (and pag
oil doesn't seem to be as good as the mineral oil) some wimpy compressors
(like the one BMW uses) can't handle it but take a good compressor like a GM
A6 and  a bigger condenser (to lower the pressure a bit) R134a seems to work
great. Don't worry tho because there is a ton of R-12 around still.


Just my thoughts,
Dan Chapman
'73 2002tii

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