Q: A.c. system

asked by on May 28, 2017

I just completed a full head gasket replacement, as well as valves and had the heads machined. I reinstalled the a.c. compressor, installed the belt and engine did not turn over, uninstalled the serpentine belt engine turned over just fine. A.c. compressor seized for no reason it seems. Was working perfectly before hand

My car has 235000 miles.
My car has an automatic transmission.

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