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post #1 of 5 Old 08-08-2013, 04:30 PM Thread Starter
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chatter/grinding when accelerating :/

Well i recently pick up an 06 powerstroke, had a few minor things with it but overall truck is great, i had a hesitation issue under wot but after a crankshaft position sensor, new fuel filters, seems to be gone. Im getting like this chatter noise under hard acceleration. i was going ill say around 35 gradually on it pretty hard and then to the floor (didnt downshift) and i got like a chatter or grinding kinda felt like it was underneath me i was thiking something with the transfer case....so i stop and tried it from a stop not wot but hard and it does the same thing, normal driving its fine but once i get on it it makes a grinding noise...i thought it may be tranny slipping because it sorta feels to be slipping when the noise happens but it seems to loud and i feel it to much for it to be that tranny slippage from what im used to never really makes noise, this is loud...im going to try and get a video up by tomorrow to show you guys..
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post #2 of 5 Old 08-08-2013, 04:34 PM
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Carrier bearing? U joint? Rear end fluid?

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2005 F350 CCLB FX4
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post #3 of 5 Old 08-08-2013, 06:26 PM Thread Starter
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Originally Posted by juniorssrollin View Post
Carrier bearing? U joint? Rear end fluid?

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thanks yeah from what i read it sounds like the carrier bearing and i guess with that worn it will cause the u joints to go.. i went out to make a video but you dont really hear it but to maybe help with the description a lil i went and found the biggest hill around and was going about 20 mph then gave it maybe 3/4 throttle not enough to downshift just enough to get the turbo spooling and accelerate and it did it pretty bad, i can feel it in the petal also so im assuming if i was towing i would have noticed it alot more and it feels like its coming from under the truck directly beneath the radio..
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post #4 of 5 Old 08-08-2013, 07:09 PM
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Quote:
Originally Posted by 06banks View Post
thanks yeah from what i read it sounds like the carrier bearing and i guess with that worn it will cause the u joints to go.. i went out to make a video but you dont really hear it but to maybe help with the description a lil i went and found the biggest hill around and was going about 20 mph then gave it maybe 3/4 throttle not enough to downshift just enough to get the turbo spooling and accelerate and it did it pretty bad, i can feel it in the petal also so im assuming if i was towing i would have noticed it alot more and it feels like its coming from under the truck directly beneath the radio..
Sound will travel. I have seen it some dump trucks I used to work on. Sounded like it was in the tranny but was in the rear end. I also heloed buddy recently with a limited slip rear end maoing sounds as you describe and the rear end was toast. Just what I have seen

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post #5 of 5 Old 08-08-2013, 11:36 PM
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Get under it and see what kind of shape the carrier is in

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