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Old 10-01-2017, 01:19 PM   #7
RichardJ
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Join Date: Apr 2010
Location: So Cal
Posts: 1,490
Re: Options to connect new AC Compressor

>>Sanden 508 style, will not work with my R-134a system?<<

The retrofit on your old system would have included changing/flushing out the old Mineral Oil. It should have been replaced with new Ester Oil.

The Summit listing says that 508 is supplied with PAG oil.

You MUST do a very, very thorough flush of the complete system to get rid of all traces of any old oil.

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'67 GMC 2500, 292, 4spd, AC
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