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OT: F-350 dually question?

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Old 07-01-2002, 10:55 AM
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Default OT: F-350 dually question?

This is my first dually and when I turn sharp in forward or reverse I sometimes get a "chatter" from the rear wheels. Is this just something that dual rear wheels does? Or might I have a problem?

Truck is a 2000 model crew cab V-10 4x2 with only 27k miles.

Thanks for any input!

Eric
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Old 07-01-2002, 11:39 AM
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has it got a posi rear
 
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Old 07-01-2002, 12:39 PM
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its really hard to say without hearing it but i would guess its just your limited slip clutches racheting....which is normal!

you can check the tags on your axle and see if the numbers look something like 3L73 or probably 4L10. the L means it has limited slip diff and the other numbers are the gear ratio. theres a second tag that has alot of numbers in sequence....thats factory coding and is irrelevant.

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Old 07-01-2002, 01:08 PM
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I had this happen to mine F350. The limited slip rearend did not have the friction modifier in it. Once the added it the noise went away.

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Old 07-01-2002, 01:53 PM
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Put some good synthetic gear lube I use Redline in mine grabbs better and no chattering additives are already in it
 
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Old 07-01-2002, 08:05 PM
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Thanks. The gears in this truck are 4.30 and it does have limited slip. Also requires the use of 75w/140 synthetic gear oil. The gear oil has not been changed yet so I would assume the slip additive is in there from the factory.

Guess I better get some fluid and additive and change it.

Thanks again, Eric
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Old 07-01-2002, 11:50 PM
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Mine had that problem. I took it to the ford place and they fixed it in a day. They told me it was some kind of shim put in backwards and that it was a common problem.
 
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