New answers tagged gm
AC systems are hermetically sealed, no way for water to intrude the system especially if the system has any charge at all. It could however damage the electrical part of the compressor (clutch magnet) or other parts of the AC electrical system like relays, wiring or switches.
It sounds a little odd but....it's possible The oil change has nothing to do with the AC compressor. So rule that out as a cause in your mind. The compressor could get damaged if underwater, it's possible. I will say I've driven my 4x4 truck through rivers where the water was going over the hood and my engine was almost completely submerged and did not ...
My suggestion is to check the fuse first...it's fuse #14 for low beams. If it "pops" out then you will have no low beams. Same for high beams. The two have two different fuses.
I think the damage was intentional, I see pliers marks on the plastic, have seen this type of marking many times. They are the parallel lines in the image below, made by the plier jaws. Not sure if they had to do it or were taking a shortcut at your expense. What you can do about it? Talk to the service manager about it, if they blow you off or don't get ...
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