I'm going to give it a go for now with the old compressor. AC is pretty important in Tucson, but this truck is also 22 years old, and it's not a daily driver so I'm hesitant to put too much more money into it. I didn't have any debris in the orifice, so I'm thinking the compressor is good...(??). Ju...

I'm not replacing the compressor. The compressor is fine. I'm only replacing the suction/discharge lines, the liquid line and the accumulator. I'm assuming the compressor is OEM and 22+ years old and thus out of warranty. When I do the repair, I'll need to add a few oz of oil, and I'm getting the im...

So I mentioned in the post that the part number of my compressor is 15067067. I did a google search and can't quite figure out if it's a HU6 compressor, but the sticker on the compressor says to use a PAG-150 oil, but then we have THIS service bulletin that says to use PAG-46 oil: https://www.tsbsea...

OK, So I'm replacing the suction/discharge lines, the liquid line and the accumulator on this truck. The sticker on the compressor (Delphi 15067067) says to use oil 12345923 which when I look it up says it's a PAG-150 oil. Now I've got a service bulletin that says all GM should now use part 12378526...