DIY intake=bearing failure? - Ford Powerstroke Diesel Forum
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post #1 of 27 Old 11-21-2006, 02:02 PM Thread Starter
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DIY intake=bearing failure?

Okay, so on sunday i did the diy intake with the NAPA filter, also foil delete. Sunday and Monday, the truck ran good, but today i noticed a vibration that changes with engine rpm, feels just like a wheel bearing vibration. It was raining on the way home today.

The truck doesnt feel down on power, and it still makes all of the exact same motor/turbo noises, but you can feel the vibration in the turbo pipes. The vibration is much less apparent when touching the engine. It can also be felt in the exhaust.

This leads me to believe that something has gone wrong in the turbo.

Any suggestions?
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post #2 of 27 Old 11-21-2006, 02:09 PM
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Okay, so on sunday i did the diy intake with the NAPA filter, also foil delete. Sunday and Monday, the truck ran good, but today i noticed a vibration that changes with engine rpm, feels just like a wheel bearing vibration. It was raining on the way home today.

The truck doesnt feel down on power, and it still makes all of the exact same motor/turbo noises, but you can feel the vibration in the turbo pipes. The vibration is much less apparent when touching the engine. It can also be felt in the exhaust.

This leads me to believe that something has gone wrong in the turbo.

Any suggestions?

Maybe this has something to do with it...

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post #3 of 27 Old 11-21-2006, 02:45 PM Thread Starter
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No, the filter that came out of the factory airbox is the same one that was in when mudding, and was near new looking.

The open filter has been on for 2 days, and is not muddy, torn, or wet, and there are no leaks in the system...I even removed the serp belt to see if maybe an a/c compressor bearing or something was causing it, but no change. If the bearings fail in one of these turbos, is there danger of parts entering the engine, or do they just lock. This is my first tuboed vehicle, so there is alot i dont know.
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post #4 of 27 Old 11-21-2006, 03:20 PM Thread Starter
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Is it possible that having a stock exhaust and better breathing intake assembly could lead to higher egts, which could damage the impeller/bearings?
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post #5 of 27 Old 11-21-2006, 03:24 PM
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Is it possible that having a stock exhaust and better breathing intake assembly could lead to higher egts, which could damage the impeller/bearings?
No, see if you can get a video/soundclip...

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post #6 of 27 Old 11-21-2006, 03:45 PM Thread Starter
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I will, thanks for the input.
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post #7 of 27 Old 11-21-2006, 04:01 PM
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I would look at the turbo icompressor wheel, incase there was something that came loose and went through the compressor wheel. Is there any oil coming out of the exhaust pipe, usually when a turbo fails it will leak oil into the exhaust pipe, sometimes on the intake side.

99.5 F-250 PSD AT 4x4, 4in lift, 37 13.5 18 Pro comp Extreme A/T's, S&B Intake, GTP38R, DP Tuner custom programs (140 Agg., 120 sled pull, 80 tow and 60 tow), Rosewood DIY stage 2 injectors, BTS Trans, 5in exhaust no muffler, 6 oh intercooler, Ford AIC, EBPV delete, Foil delete, T/C lock up mod, Pusher Fuel Pump, Three Chime train Horns

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post #8 of 27 Old 11-21-2006, 04:05 PM Thread Starter
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Well, I am absolutely sure that nothing went thru the compressor, but i need to go and look to put my mind to rest...its just raining like crazy right now and 34 degrees.

No, i havent seen any oil, or smoke. Do you mean all the way at the tailpipe? I did have someone shut the truck down while i listened to the turbo thru the exhaust, it spins down lower than i can hear in about 3-5 seconds. Thing is, I have no other truck to compare that spindown time to.
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post #9 of 27 Old 11-21-2006, 04:12 PM Thread Starter
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I just looked, the exhaust pipe is full of oil...guess that would mean a bearing failure, right? Could be a bearing seal, but that wouldnt explain the vibration.


So, if my turbo is shot, is this a result of the diy intake? Has this occurred with anyone else?


thanks for all the input guys...i appreciate it.

Well, i just looked at the impeller, no damage that I can see, looks just like it did when i had it apart 2 days ago.

whats the hot turbo setup, guys?

Last edited by Richard; 11-21-2006 at 04:22 PM. Reason: more info
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post #10 of 27 Old 11-21-2006, 04:21 PM
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Is it black or is actually wet. I highly dought the DIY intake caused this I have installed dozens of Tymar intakes (which are virtually the same) and never caused a turbo failure. it may have been just time for it to go. Do you let your egt's cool down after running the crap out of it???? If not you could have cooked the engne oil in the turbo housing.

99.5 F-250 PSD AT 4x4, 4in lift, 37 13.5 18 Pro comp Extreme A/T's, S&B Intake, GTP38R, DP Tuner custom programs (140 Agg., 120 sled pull, 80 tow and 60 tow), Rosewood DIY stage 2 injectors, BTS Trans, 5in exhaust no muffler, 6 oh intercooler, Ford AIC, EBPV delete, Foil delete, T/C lock up mod, Pusher Fuel Pump, Three Chime train Horns

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