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2004 - 2008 Ford F150 General discussion on the 2004 - 2008 Ford F150 truck.

Rear diff fluid change - noise

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Old 09-27-2016, 10:55 AM
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There are also some deals on springs etc. So you say you have replaced shocks?
Old 09-28-2016, 05:51 AM
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Shocks are new Bilstein HD's all round, less than 20k on them at this point. The U-joints might be the culprit I guess, but wouldn't they bang on acceleration? This really only happens on turning, and I only notice it at low speed.

I used the Ford friction modifier when I changed diff fluid, and it didn't clunk for 12k miles after that, so I can say that I am beginning to think it is not the pumpkin.

I have not ever replaced the ball joints or tie rod ends, but at the noise sounded like it was coming from the rear didn't think these were the problem.



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