The Delphi 6628 compressor on my 17 year old Silverado is leaking according to a dye test. I was planning to replace it with a UAC CO 20145C. The UAC website says that the CO20145C is an acceptable replacement and is an HT6, although they do not list the Delphi6628 under its cross-references. But UA...

Thanks. The compressor runs off the serpentine belt, so I am unable to use the truck with the compressor removed. Is it ok to drive the truck with the system open, for example with old compressor installed but disconnected, perhaps the accumulator removed, with various ports protected with plastic b...

Thanks for all the good info. One commenter in that thread says 45-90 minutes by an expert. So maybe 4-5 hrs for me, plus parts and a couple tools, and the likelihood I wouldn't succeed. I think I'll put in the new compressor when it arrives. The 17 year old system has never been serviced other than...

When a system is open for repairs, is there a procedure for testing the condenser and evaporator for obstructions or fouling? For example, measuring how much pressure it takes to produce a certain flow rate? or measuring how much of a vacuum can be pulled with a given cfm pump? I'm thinking this mig...

Photo of the compressor:

Login problems with my initial account. Gave up and created a new one.

17 years and 200k miles, not bad, but given the current low value of the truck, I'd like to give it a try. Where can I find details of the repair procedure?