The specs for your vehicle call for 32 ounces net weight of R-134a and 7 fluid ounces of PAG-100.

When you recharged it, did you put in the full amount of oil?

I vote for replacing the compressor assembly, especially with that amount of mileage on it, as well as the condenser and the receiver/dryer, which I believe is integral with the condenser.

Interesting about the refrigerant-amount discrepancies. I don't know where the differing specs originated, but the files I have list the higher amount. I'm beginning to wonder about the cycling switch being out of whack. The cut-off point looks about right, but the cut-on point looks higher than it ...

The specifications that I have for your truck with rear A/C call for 64 ounces (4.0 pounds) of R-134a. Presuming that my specs are accurate, and you have only 2.75 pounds (44 ounces) in the system now, then it's undercharged by quite a bit. Your truck without rear A/C calls for 36 ounces (2.25 pound...

The MACS training events and trade shows are excellent with outstanding guest speakers in attendance and top-notch accommodations. I particularly like the technical sessions, but the marketing sessions are great for business owners or anyone having an interest. The registration fee for nonmembers is...

Perhaps this is something else to consider, quoted in part from the MACS ACtion newsletter: To help meet customer needs in the transition to lower-level Global Warming Potential (GWP) refrigerants, Chemours is expanding its Opteon YF capacity by about 40 percent at the company's Texas facility that ...

Right, I would flush the used lines, and dry them out thoroughly. Nitrogen is best for blowing through them, but if you don't have a nitrogen set-up, shop air will do in a pinch—the drier the better. The new condenser, evaporator, and hoses don't need to be flushed as long as they're factory sealed....

Re the R12 to R134 fittings. Is this what I need? And what are the black ones for? And why are there two blues and two reds? And should I install service ports in the compressor lines? One of the line appears to have a blue (low) service port. There is no red service port in the high line. Tim at A...

I'm rebuilding the AC in a 1988 Toyota Pickup. I plan to replace the following components with new ones and use R134a: condenser, compressor, evaporator, dryer, TRX valve, and o-rings will all be replaced with new units. So far, so good, but note the following: The new compressor, if it contains mi...