Ahhh! Rear Differential problem H.e.l.p!!
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Sorry to say if you feel the rumbling or hear the whine the diff is bad and needs to be replace cost is around $9500.00 just for the parts I just had mine replace to the new upgrade I might have 100 miles on it now still breaking it in.good luck
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Jimi (05-10-2014)
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I think it was all of the 09s. I'd check the axles for leaks near the diff and listen for any noises. Even if it seems fine spend $50 swaping out the fluid. It takes about 15 minutes with a bottle of fluid and a pump. There might be an external marking you can check on to see if it was upgraded. I'd say chances are the vast majority weren't upgraded.
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larryorgnist82 (05-11-2015)
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Well if mine goes once the warr. is done, I'm looking into something like this. From what I've seen the XF's diff is real close to the Jag S-type/ Lincoln LS's as far as parts utilization?
Jaguar Quaife Differential Install ? Jacks Transmissions
Jaguar Quaife Differential Install ? Jacks Transmissions
Last edited by Bigg Will; 05-13-2015 at 02:15 PM.
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larryorgnist82 (05-13-2015)