I'm picking up a REMAN AC compressor for my truck. .The dilemma is that I have new hoses, new drier, new orifice tube, flushed condenser and evaporator but blew the used AC/compressor up shortly after getting everything done. For warranty sakes, I'm reinstalling a new drier and orifice tube. I already have a pancake screen filter bolted to the back of the used compressor and just going to transfer it over to the new REMAN. My problem is whether or not I need to compensate for PAG 100 oil in the system or not.

I know I need to add about 5 ounces of PAG 100 oil to the compressor, turn it about 10-12 revolutions before installing. I believe 2 ounces go into the drier itself. I'm just trying to convince myself I can do this without the shops help at about $80. Should I just install the Reman with oil and oil to the drier, pull vacuum, and then start adding 134a or bit the $$ bullet and get it to the shop?

I know this is the appropiate forum, but looking for any experience or lessons from known failures. I know I failed once, but that was because I got to greedy and watching my manifold gauges didn't present me a problem until the damage was done.

 

Did you flush the evap/condenser/lines again after the old compressor let go?

I am not a fan of R-134a conversions in the first place. I hope this does not turn out to be another one of those conversion nightmares for you.

 

I had a compressor literally burn up (temp over 500 deg) and it left a lot of burnt oil in the system which took a lot to evacuate. Unless you have the equipment, you will probably end up a whole lot happier this summer if you have a qualified shop do the work. Evacuating the system correctly is the best way to remove moisture, which is needed to have effective AC. So far going into the second summer and working fine. I tried cans of refrigerant with oil, sealant etc before going to my mechanic. Needless to say it did not work.