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Old 03-22-2010, 07:53 AM
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blue smoke?

2001 F 350 manual 122,000 miles. Understanding that these vehicles will smoke at startup I have no issue at that time. However I do not understand why it smokes after I set at a light or stop sign, doesn’t matter if I sent for 10 seconds or 1 minute. It will smoke blue until the turbo spools up then turns black, what’s the deal?
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Old 03-22-2010, 09:17 AM
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Could be a seal in the turbo going bad and leaking oil, or could be lower injector o-rings allowing the high pressure oil rail to leak into the fuel rail.
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Old 03-22-2010, 09:29 AM
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pull the intake tube off the turbo and see if the shaft has play.
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Old 03-22-2010, 10:06 AM
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Had the valve covers off about a month ago and found the intake duct was cracked, at that thime I checked the wheel on the turbo, no noticable play at that time.
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Old 03-22-2010, 10:10 AM
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that would mean the bearing isn't completely gone - but the seal could still be leaking.
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Old 03-22-2010, 10:39 AM
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Is the seal something I can replace? And are there any threads in here talking someone thru the injector o-ring replacement?
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Old 03-22-2010, 10:57 AM
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Injectors:

Replacing Injectors On 1999-2003 7.3L Power Stroke Diesels .: Articles

turbo:

Turbo Rebuild - a set on Flickr
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