A couple of years ago, a freeze plug sprung a leak and caused overheating. I replaced the freeze plug and for a while had no problems. This past summer, the egine backfired one morning, and since that time has smoked white smoke for the first few minutes of operation. After it warms up and runs a few minutes, the smoke stops. When I turn the heater on, I smell antifreeze, and the heater doesn't work very well. I also burn a lot more coolant when I operate the heater. I was told there was possible a blown head gasket and I ran BLue Devil gasket sealant. That resolved the problem for a while, but eventually wore off. Also, while running sealing compound through my system, I had to turn the heat on per instructions. I noticed that the compressor cuts off sporadically and after a few seconds will restart itself. Are the problems related? Will compressor failure cause coolant leaks?
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Saturday, January 23rd, 2010 AT 4:12 PM