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So, last week I drove my car to work and the AC quit blowing cold on the way home. Yesterday I started poking around and as soon as I took off the cap from the port on the back of the compressor, it hissed out 134. OK, so far easy enough. But when I tried to tighten the valve, it didn't move and...

Both the car and the AC have run MUCH better since I evacuated and replaced the dryer. No more getting hot in traffic/at stop lights and AC is blowing cooler. However, and this started before I made the repair- The bottom of the heater box is getting super cold, almost icy to the touch, and...

Continuing my pressure switch replacement thread here. Vacuum held overnight. I was advised (by the parts store) 3.5 cans. 3 cans had 20 pounds (psi?) on the low side and just over 200 on the high side. Blowing just under 50 degrees. Added that 4th can and 22# low side 210# high side...

I finally got a chance to pull a vacuum on my AC system and it held nothing, not even for a short time. The only place I see dye other than where it spilled all over the place from the poorly designed dye injector I bough at Advance Auto... ...and the minor dots here and there on the...

Last year before it got cold, I was talking with a neighbor while my 73 idled in their driveway with the AC on. My neighbor pointed to the car, and there was a puff of gas coming from the passenger's side of the grill. Turns out the AC lost it's charge. Fast forward to yesterday >>>> I now...

Gasket (I think) vented all the gas. Thinking about getting a new unit. Any thing I need to be aware of? This is a factory RV2 R12 system that was converted to R134a some time ago. Is there anything different between a 134a receiver/dryer and a stock part? TIA

Last year I put in a mechanical temp gauge (factory gauge was horribly off calibration). It runs at 165-170 degrees. I know, but I checked it against an infrared thermometer and it was within 2 degrees. So anyway, If I run the AC (all stock RV-2 but with 134a professional conversion), it gets...

Hey guys, I looked through six pages of search results and cant find it. I have a 67 FSM, a Dakota Haynes and three Motor's manuals plus 12 pages of googling. Nothing. I swear I've seen it many times. Anyway, the first time I did the water pump on the Dakota, I put gasket sealer on all the...