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In the middle of the A/C conversion.



I am currently trying to change the A/C system on my 85 4kq from R12 to 134a
refrigerant.   I have all of the parts that I think I need.   the only
trouble is that the new drier/reciever doesn't have a spot for the pressure
switch...   Or did the guy at the parts counter sell me the wrong part?
The new reciever fits exactly minus the pressure switch.

Also I heard that there is a TSB that explains the conversion for R12 to
134a on Audi's... does anyone have this handy?   I can't seem to find it.

Thanks,
Cory
85' 4000s Quattro