Powertrain clunking - Ford Powerstroke Diesel Forum
 
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post #1 of 6 Old 04-25-2013, 11:55 AM Thread Starter
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Powertrain clunking

03 F250, If i get on the throttle too fast i hear a "clunk" sound. Pretty sure it is in the drive shaft maybe the U joints. Only makes this noise when i get into the throttle too fast, if i ease in it has no problem. Any suggestions? thanks
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post #2 of 6 Old 04-25-2013, 12:06 PM
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Originally Posted by xXElaminatorXx View Post
03 F250, If i get on the throttle too fast i hear a "clunk" sound. Pretty sure it is in the drive shaft maybe the U joints. Only makes this noise when i get into the throttle too fast, if i ease in it has no problem. Any suggestions? thanks
As my mechanic would tell me...don't get on it, problem fixed.
So, now that I no longer go to that , I would check the rear diff. Look for leaks at the pinion while you are checking the drive shaft. Lift the back, in neutral and turn the shaft looking for play.

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post #3 of 6 Old 04-25-2013, 12:20 PM
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sounds like axle wrap to me

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post #4 of 6 Old 04-29-2013, 08:23 PM
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One of the best tests to determine if it us U-joints is this:

When at highway speeds, when you get to the "neutral zone" between pulling and coasting, (similar to cresting a hill) is there a vibration or rumble? Mine was loud enough to make me think I had off road tire treads.
Vibration would be felt more in the seat than on the steering wheel.
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post #5 of 6 Old 05-10-2013, 10:05 PM Thread Starter
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Turned out to be a U joint! Prheitz I did have the rumble too, turned out being the ball joints.
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post #6 of 6 Old 05-11-2013, 06:37 PM
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Congrats that is was on the lower expense area, there is a lot of satisfaction in eliminating the irritations and having a smooth running vehicle.

Last edited by prheitz; 05-11-2013 at 06:42 PM.
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