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Discussion Starter · #1 ·
I have 02 F250 PSD When i take off from a stop and turn it fels like the rear brakes are chattering. I have removed and lube the calipers where needed. If i take off let off the gas and turn sometimes I do not feel it. Could this be the e brake dragging ?
 

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since it does it when you are turning id guess its the limited slip dif, if you have one??? not the brakes
did you change your gear oil and not out the friction modifier in?
 

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Discussion Starter · #3 ·
I have not changed rear end oil, I bought it used in oct 07. It may have been done before I got it and they did not add it. Can I add the friction modifier or should I change oil and add it that way?
 

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first find out if it has a limited slip diferential. look at the plate on the diferential and it should say 3L73,373,4L10 etc. if it has the L in the middle of the gear ratio it has the limited slip.
you can add the modifier to it now but if you dont know how many miles are on it since it was chaged it would your call.
 
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