Refrigerant Type: R12
I'm working on an early 90s German car that was originally R12. I believe the compressor is Denso.
So it already had 134 conversion adapters, but the high side was simply a pass-through. I'm in the process of refurbing other parts of the system, so I'm changing the ports to ports w/ their own built-in schrader valves. I went to remove the high side schrader from the R12 port and it was a bit tight, but I got it spinning (w/ resistance) and got it off.
This is what I removed.
Is this the whole schrader? Or is there a problem?
Edited: Sun September 07, 2014 at 12:40 AM by CoolWey
there is still a part inside. Your valve has broken.
Look at pics here
Get yourself an EZ Out set at an auto parts store or whatever. I've used them to remove broken Schrader valves and so far, they never failed.
I went to Home Depot and bought a Ryobi Screw Extractor set. The smallest bit in the set, a #1, plus some Vise-Grips to hold and spin the bit CCW gripped the remnants of the schrader and I was able to pull it out.
I then realized I was still missing the end of the schrader. So I went ahead and removed the compressor, disconnected the hoses, and removed the 4 cap head bolts that hold the port housing piece to the unit. After I tore it apart, I found the small piece inside that area. Reassembled w/ some Nylog on the existing gasket, added an equivalent amount of fresh ester to what poured out.
I'm glad I was able to resolved that. Thanks for the suggestion on the extractor!
Edited: Sun September 07, 2014 at 11:10 PM by CoolWey
I use a tap handle whenever possible to apply even torque. I've broke off a few in the past while trying to remove broken screws
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