7.3 White smoke after overheat - Ford Powerstroke Diesel Forum
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Old 02-21-2014, 06:41 PM
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7.3 White smoke after overheat

I was hauling a super heavy load in my 99 f350 7.3, w 249k miles, yesterday and it overheated. Temp gauge never showed hot. Noticed white smoke coming out of rear so I immediately pulled over. Popped the hood n white smoke went everywhere n felt the heat off the engine. Waited 10 mins n turned the key on n the temp was n the red. It was out of water. Pulled it home n today I filled it up w water n the water pump was leaking so that's where my water went. Started the truck and it ran ok. Slight miss and white smoking. No water n oil. No oil n water. No knocks or chattering. Replaced the water pump. Called one mech n he said probably head gaskets. Called another mech, this one w 20 yrs at ford dealership, n he said he couldn't believe it would be head gaskets. What would cause the white smoking and miss due to overheating? Water on pistons?? Burnt injectors?? Any past experience w this sort of prob would be greatly appreciated. I'm not real sharp on diesels. Thanks
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