Engine Size: 305
Hey Folks- first off just want to say that this is a great forum for DIY'ers and i have met some great folks (electronically) on here and gotten some good information. FWIW i have purchased a compressor or two from AMA in the past. A rebuild is necessary again and I am calling to discuss flushing the evaporator and condenser on this original system. I have read hecat's flush post and will do it that way unless i hear different in this thread-hopefully i have the old tube and fin he discusses. Related to this there is a third 3-4mm tube coming out of the evaporator that goes into the VIR- hopefully that doesnt enter the flushing equation outside of flushing the top and bottom tubes. My other call is for the low service port on top of the VIR- does anyone know if that service port assembly (not the just the core) is removable or do you have to buy the whole VIR assembly? the reason i ask is that i somehow mucked that service port and now the schrader valve sticks out past the opening a mm or so and prevents me from connecting the gauge hose efficiently. Also i cannot remove the schrader valve with the tool so I would like to know if that service port housing (1/4 in cylinder about 3/4 in long) is removable from the VIR baseball cap? I guess if it is a replacement is probably scarce.
Yes the systems has that stinkin' A6 compressor but that subject has already been beat to death!
yes, the top comes off. That is where the POA and the TXV capsules are located.I may still have parts for that bad boy if you get in a bind.
They make a retrofit POA eliminator that replaces the POA exactly, with a switch that cycles the compressor instead like on most newer systems. I have an extra tube for r12 systems pretty cheap if needed.
Keeping the original configuration has better performance. Car makers switched to cycling systems in the late 1970'a (the golden era of really lousy domestic cars) because they are cheaper.
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