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Old 07-10-2018, 09:19 AM
kuene kuene is offline
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Join Date: Feb 2016
Location: North New Jersey
Posts: 431
Oops, sorry, 1982 300D.

Yes I pulled a deep vacuum for 45 minutes after installing drier and before charging. I am using ester oil becaus I plan on putting r12 in and wanted an oil that would work with both r134 and r12.

The numbers I mentioned were while running/on. It did take a couple minutes for the high and low side pressures to equalize out after switching off.

The switch I was talking about is called (on Pelican) the “AC Pressure Switch On Receiver Drier”

But maybe my problem is the freezing and related to the Evaporator temp switch? Does that require discharging the system to swap out? Can I get to it under dash/bglove box or is that a dash out kind of job? (If that is even the problem).
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