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I'm looking to buy a last of the X250 XF 3.0 Diesel. I searched through the MoT history of one car and saw that it had an advisory for: "Fluid leak, but not excessive rear differential (8.4.1 (a) (i)) on its first MoT 3 years ago at only 20,000 miles. This advisory is not mentioned again on future MoTs. The car has a full Jaguar service history and has been serviced 3 times at the main dealer since this advisory.

I was just wondering if there is a known problem with the rear differential on the 2015 XF? I understand that there was a problem with the 2009 XF but am I right in assuming this would have been resolved by 2015? Ironically, I owned a 2009 XF and as far as know, it never had any differential problems.

I'd greatly appreciate any advice - I'd imagine that the Jaguar main dealer that supplied and serviced the car from new would have solved the problem (the car has now travelled another 20,000 miles since this MoT advisory 3 years ago) but as you can imagine, seeing this advisory on the car's first MoT concerns me.











 

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Hi Mike,

The early XFs' did have a problem with contamination in the diff, I believe.

Could it be possible that the offending seal was replaced under warranty? That wouldn't show up in the MOT history of course.

It's certainly not the end of the world - most leaks from a diff are through a shaft seal,and start as a weep. The MOT simply reports that there is residue/evidence of a leak around the diff somewhere: It could equally have been due to something else that involved a driveshaft to be removed, and the residue is what has been noted.

Easiest way to determine the current status is to have a look underneath and see what it looks like now. If it was anything serious it wouldn't have survived a further 3 years. It could be a request that the diff is serviced and any leak rectified as part of the sale, presuming you were looking to purchase the car.

If you test drove it, I would suggest you listen for any rumbling or whining from that area under acceleration, overrun, and cornering.

I hope this helps.

Best regards,

Mark.
 
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