Turbo change still smoking - Ford Powerstroke Diesel Forum
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post #1 of 24 Old 07-11-2013, 09:34 AM Thread Starter
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Turbo change still smoking

Ok, I changed the low pressure turbo to a 71mm billet tow turbo, change head studs, new upper intercooler pipe, and did CCV mod. And still smoking at idle after warmed up and driving. The smoke is the usual whiteish diesel smell. I looked under the truck and my exhaust joint had a little of oil in it. The lower intercooler pipe had oil residue in it as well. Not loosing any coolant. Just had to add it to the fuel cooler? "Next to the turbo" after going around the block and not loosing any oil as of now. Could it be the oil being built up in the bottom of the intercooler that I didn't think I needed to drain? I need to note that I did not rebuild the high side turbo but just noticed very very small minute play in the shaft that I didn't think was to worry a bout. SATLR but I just wanted to give the most info I could.

2015 F-350 Platnum FX4 Superduty 4X4 6.7L crew cab Longbed 3.55's 5th wheel prep

Old truck's 95' 7.3 LB EXT 4X4 285,000 miles very much Missed! 08' F-250 6.4 fully deleted

Lots of mods to come

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post #2 of 24 Old 07-11-2013, 11:17 AM
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Valve guides? That will cause smoke. How many miles?
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post #3 of 24 Old 07-11-2013, 11:20 AM Thread Starter
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142,000 valve guides usually u see that at start up if I recal correctly.


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2015 F-350 Platnum FX4 Superduty 4X4 6.7L crew cab Longbed 3.55's 5th wheel prep

Old truck's 95' 7.3 LB EXT 4X4 285,000 miles very much Missed! 08' F-250 6.4 fully deleted

Lots of mods to come

Quote:The right of the people to bear arms shall not be infringed.
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post #4 of 24 Old 07-11-2013, 11:30 AM
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Depends how bad they are. I had a 1964 Mercury Comet that smoked like a banshee. I had a horribly loose set of valve guides and seals.

Check that the white smoke isn't coolant from the EGR cooler. Hold your hand right behind the exhaust in the path of the smoke. If it's water, your hand will accumulate a mist or few droplets if it's really bad.
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post #5 of 24 Old 07-11-2013, 11:34 AM Thread Starter
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Already did , none of that. I'm also full Deleted.


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2015 F-350 Platnum FX4 Superduty 4X4 6.7L crew cab Longbed 3.55's 5th wheel prep

Old truck's 95' 7.3 LB EXT 4X4 285,000 miles very much Missed! 08' F-250 6.4 fully deleted

Lots of mods to come

Quote:The right of the people to bear arms shall not be infringed.
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post #6 of 24 Old 07-11-2013, 12:02 PM
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Well then I'm leaning toward sticking injector, improper injector firing, injector electrical issue, etc...

Take it in and have cylinder contribution tests done along with the others they do. You may find one of the injectors is not operating properly. It may eventually lead to an issue.

How long has this been going on? Does it smoke after driving it around some? Is it only while it's cold?
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post #7 of 24 Old 07-11-2013, 12:14 PM Thread Starter
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Only after warmed up never cold ,and come to a stop. Typical turbo seal issue. So I needed an upgrade in turbo (low pressure ) so I did. I didn't do the high one. It has a little play in the wheel very little so I didn't do anything with that one. I just wonder if that is it?


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2015 F-350 Platnum FX4 Superduty 4X4 6.7L crew cab Longbed 3.55's 5th wheel prep

Old truck's 95' 7.3 LB EXT 4X4 285,000 miles very much Missed! 08' F-250 6.4 fully deleted

Lots of mods to come

Quote:The right of the people to bear arms shall not be infringed.
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post #8 of 24 Old 07-11-2013, 12:19 PM
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Maybe.There's always some shaft play on any shaft or they would burn up. Check with Ford on the proper limits and put a dial indicator on it. Check if there's oil buildup on the outlet side.
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post #9 of 24 Old 07-11-2013, 12:23 PM Thread Starter
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There was come build up caked on the shaft and inside the housing. I wonder if the oil in the intercooler pipe was a problem getting sucked into the turbos? I also did a CCV mod to help that .


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2015 F-350 Platnum FX4 Superduty 4X4 6.7L crew cab Longbed 3.55's 5th wheel prep

Old truck's 95' 7.3 LB EXT 4X4 285,000 miles very much Missed! 08' F-250 6.4 fully deleted

Lots of mods to come

Quote:The right of the people to bear arms shall not be infringed.
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post #10 of 24 Old 07-12-2013, 06:15 AM
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White smoke= unburnt fuel, you have an injector leaking/not closing properly. Can you scan fuel rail pressure to see if your rail pressure is dropping?
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