I'll see what I can do about pressures, I have a set but one of the gauges is busted (might as well not have any, right?).

Went ahead & ordered expansion valve. I figured after 23 years changing it out wouldn't hurt. It was cheap enough...

Compressor IS engaging but not cycling. Can you futher explain the "flap" thing & where I can locate it?

What I really hate is loosing all my R-12. No one around here has recovery capabilities so I guess I'm screwed on that.

More when I have the info...

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1987 300DT
2002 Ford F-250 7.3 Crew Cab Short Bed