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Old Dec 29, 2008 | 06:26 PM
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smokey 99

I need your help again guys I have 99.5 F350 and it smokes sometimes it's a blueish colored smoke a friend of mine was thinking injectors is there a way to check them? do you have to change them all at the sametime?
 
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Old Dec 29, 2008 | 06:32 PM
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Need more info....

When does it smoke?

Do you have any modifications done to the truck?

Where do you live and whats the temp. outside like?
 
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Old Dec 29, 2008 | 07:05 PM
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the truck is stock not even a programmer it does it at low rpm mostly some times when I'm plowing snow in has about 182000 miles on it I live in Southeastern michigan the weather has been warm the last few days 60 yesterday 44 today it doesn't seem to make a difference if its warm or cold out I be driving along turn a corner or something give it some fuel to get it going and sometimes it will blow blue smoke
 
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Old Dec 29, 2008 | 07:12 PM
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Dirty air filter if you lucky. Boost problems will do it to.
 
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Old Dec 29, 2008 | 07:27 PM
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I changed the Air filter last week
a few weeks ago we were working on the plow and noticed the turbo was leaking a little and my friend thought there was alot of play in the turbo you guys think I should start with the turbo??
 
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Old Dec 29, 2008 | 07:31 PM
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Any more that just mimimal play is too much. You will have some in and out, but no up and down. What was leaking on your turbo?
 
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Old Dec 29, 2008 | 07:32 PM
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Your problem might be a bad turbo, if oil is getting into the turbo, blue smoke will come out. You can get a turbo rebuild kit to fix this, or you can get a updated turbo. Lots of things here.
 
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Old Dec 29, 2008 | 07:44 PM
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how hard of a job is it to rebuild the turbo are there recon"s out there?? what the best way to go I'm not looking for more power just a truck that runs good
 
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Old Dec 29, 2008 | 07:51 PM
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Originally Posted by dawg 21
how hard of a job is it to rebuild the turbo are there recon"s out there?? what the best way to go I'm not looking for more power just a truck that runs good

This is the van turbo rebuild. It should give you an idea of what it takes to do this job. click here.

I never rebuilt a turbo.
 
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Old Dec 29, 2008 | 08:42 PM
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Ill bet its the turbo Ill keep you posted.
 
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Old Dec 29, 2008 | 08:44 PM
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Just out of curiosity what kind of air filter have you been using?
 
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Old Dec 29, 2008 | 09:03 PM
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motorcraft its the stock filter system why do you ask??
 
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Old Dec 29, 2008 | 09:06 PM
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I was wondering if you were running a K&N because they are known for causing turbo issues....
 
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Old Dec 29, 2008 | 09:12 PM
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how long does a turbo last I'm at about 182000 miles
 
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Old Dec 29, 2008 | 09:14 PM
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Originally Posted by zx250
Any more that just mimimal play is too much. You will have some in and out, but no up and down. What was leaking on your turbo?
You got it backwards Barry. A little up and down is ok as long as it doesn't touch the housing. In and out play is no good.

Originally Posted by dawg 21
motorcraft its the stock filter system why do you ask??
The factory air box is not the best at sealing out dirt, some people use a drop in K&N filter, which seems to be even worse. Several folks here have ended up with a dusted turbo, or worse, a dusted engine from improper filtration. The best thing to do is take the lid off the air filter and inspect the lid and tube that goes back to the turbo for any sings of dust in there. Dust is bad and can cause lots of damage to these motors.

If you think you have a turbo issue, the best thing to do is remove the big tubes that go to the turbo and inspect the wheel. The edges should be crisp and sharp, not look like they've been in front of a sand blaster. Grab the center shaft of the wheel and wiggle it around. Some up and down or side to side play is ok if the wheel doesn't touch the housing. The center shaft rides on a film of oil that won't be there when the engine is off. In and out play is not good.

Edit: I type too slow. In response to your last question, I've got 277k miles on my stock turbo.
 
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