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My AC compressor is leaking at the seals, evident by the oil spray and greenish oil drops while secured. When I do replace the compressor, is a flush of the system required or can I replace, evacuate, charge be done? Thanks for the help.

1998 century, the fans are not working, the AC clutch is not engaging. All fuses have checked sat, relays working properly, when a temp 12 volts are supplied to the fans and AC clutch, they work. I think the PCM is working because the car runs fine, idles fine, no service engine light, and the...

My 98 Century engine service light comes on periodically, and the indication is the EGR valve sticking. Is there something out there that can free it up and clean it out, or is the only long term solution to replace, and if the answer is to replace, anything specific to watch out for? Thanks

Hey, I'm new to this, but I really need a place to start. I own a 98 Buick Century, 3.1L. 135,000 miles. driving conditions are normal, but drive the mountains between WV and VA about 3 times a month. Noticed an occassional delay in shifting between 2nd and 3rd, so I had the fluid changed by...