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Old 05-20-2009, 05:05 PM
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white smoke

I have an issue with my truck, wondering if anyone can provide some insight. Driving it across the country last week I puked a good amount of coolant (i probably put back in over a gallon when it was all said and done) and also at the same time I discovered a crack in an expansion joint on my turbo y-pipe. Right before it puked I was driving roughly 70mph in the hills of South Dakota against a 50mph headwind, which I obviously didn't realize were that strong at the time. Since I filled the degauss bottle up to the correct level, I have not lost any coolant. It has stayed at the same level for basically the last week. However, each morning when I start it up cold it blows some white smoke. One morning it was very heavy billowing out for a couple minutes and the other mornings it is just barely even noticable. Truck drives fine and has good power, the crack in y-pipe causes a whistle around 20+ psi of boost but other than that it seems perfectly fine while driving it. No coolant is being lost, oil looks good and is staying steady also. I have an egr delete so its not a bad egr cooler.

Does anyone have any ideas of what is causing this??? maybe a very very slight amount of oil or coolant that is leaking down there as it sits all night but is not noticeable to the naked eye when I check the level? Thanks in advance.
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Old 05-21-2009, 09:20 AM
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any ideas??
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Old 05-22-2009, 07:27 PM
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Could be a blown head gasket. Could be a cracked head. Also your EGR delete could have failed. If it's just the cheezy freeze plug delete, then I'd also check that. Any other symptoms?
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Old 05-23-2009, 10:21 AM
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no other symptoms. After it puked I drove another 1200 miles and it drove fine, I drove it pretty easy because I just wanted to make it but the fact that I haven't lost any coolant leads me to believe its not a bad headgasket or cracked head. Wouldn't I be burning it up as I drive and see the the coolant level dropping?
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Old 05-23-2009, 11:07 AM
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Ya most likely you would be still using coolant. Still wonder about the EGR delete. What kind did you use?
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Old 05-23-2009, 01:14 PM
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i did the egr delete myself and welded it. What are you thinking would have failed on it that would cause the smoke?
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Old 05-23-2009, 01:34 PM
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did you weld both ends? Also one of the funtions of the EGR is to cool combustion temperatures. Not having one could lead to increased engine temperature.

What about a sketchy T-stat?

Also I had a 7.3 that made a bunch of white smoke because it had an exhaust leak on the drivers side exhaust manifold.
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