The air conditioner system has no leaks and compressor works. AC was fully charged despite this the air conditioner works when it wants. Then will suddenly only blow fan air other times only to start working again later

Car air fluctuates from ice cold to engine hot fan for no reason, when it should be cold. Also the air pressure fluctuates.

My car overheats constantly. leaking oil, wheel suspension acts up, makes loud noises, smokes, stalls out constantly even when its cold outside.

it was scary not knowing if the car would break down and I'd be stranded. First blew out the hot summer air, then it turned cool and going up hill it blew out almost hot air for a minute, then got real cold. and was okay the rest of the way home.