2001 7.3 Powerstroke Turbo Noise - Ford Powerstroke Diesel Forum
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post #1 of 12 Old 04-11-2010, 01:05 PM Thread Starter
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2001 7.3 Powerstroke Turbo Noise

Ant idea what might cause the turbo to make a grinding sound under load ? It sounds fine the rest of the time. No smoke or other problems Bob
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post #2 of 12 Old 04-11-2010, 01:06 PM
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Originally Posted by bob myers View Post
Ant idea what might cause the turbo to make a grinding sound under load ? It sounds fine the rest of the time. No smoke or other problems Bob
My best guess would be bent turbo vanes. i am not sure.

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post #3 of 12 Old 04-11-2010, 01:08 PM Thread Starter
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What would cause that?
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post #4 of 12 Old 04-11-2010, 01:10 PM
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it could be from many things. What kind of truck do you have? any mods?

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post #5 of 12 Old 04-11-2010, 01:32 PM Thread Starter
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2001 7.3 powerstroke turbo noise

I have a F 250 SD crew cab 4x4 with a super chip programmer set in tow mode. Cold air intake and 4" exhaust with turbo down tube.
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post #6 of 12 Old 04-11-2010, 01:49 PM
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it might be "dusted" if it has a K&N intake, it is a pretty common thing to happen. It might also be a bent turbo vane. Not hard to replace.

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post #7 of 12 Old 04-11-2010, 01:53 PM
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are you sure its the turbo making this noise? while under a load the amount of exhaust gas increases flowing through the turbo but i dont see that making a grinding noise in any way.i would bet that the exhaust sytem is making contact with the engine or tranny somewhere while under a load from the torque of the engine actually twisting the whole engine a tad bit and possibly enough to hit the down pipe . so check all your clearances and let us know

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post #8 of 12 Old 04-11-2010, 02:34 PM Thread Starter
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thanks for the help . I'll let you know
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post #9 of 12 Old 04-12-2010, 08:21 AM
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I just picked up a '00 F350, and it's doing the same thing. Under load, I hear a grinding/wooshing sound. At least that's the best way I can describe it. It doesn't last too long, and if I either accelerate more or less it will go away. It does have a K&N filter on it-I already ordered an AIS to replace it. I kept my totaled Early '99 F250 for salvage-will the vanes off of my old turbo (which I think is a wicked wheel from the factory) fit on my new one? Is that most likely the noise I'm hearing?

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post #10 of 12 Old 04-12-2010, 04:00 PM Thread Starter
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I tried to get my truck to make the noise again and cant hear anything. I think the noise may just be the waste gate operating. BM
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