Having read much about diff. issues on the F-Type, I checked the maintenance shcedule for my R-Dynamic.
It states to replace Transfer Box OIl at 48K/36m, and to replace Rear Locking Diff. Oil at 64K/48m.
Regardless whether this is a suitable schedule, I am confused about the drive train.
Is there only the rear diff. and the transfer box, or is there also a third oil-containing (front wheel) component to the AWD ystem?

 

Yes...You also have front differential, and transmission to complete the drive-train.

My Front Diff DIY
My Rear Diff DIY
My Transfer Case DIY
My Transmission Fluid DIY

DC

 

Thanks. That is kind of what I thought.
But then why is there no apparent oil service schedule on the front diff or the transmission.
Are these intended to be "sealed for life" according to JLR?
Also, it appears the diff. problems reported are mostly (all?) related to the rear.

 

Remember...When they say for life....Most Manuf. are referring to the LIFE of the warranty...then they do not care.

As an example, JLR in many publications indicates the Transmission is Lifetime Fill...But the transmission is made by ZF and if you look at their schedule for the 8HP 70 HIS we have, it has a schedule (As indicated in my DIY, so not going to repeat here).

 

For my 2018 R AWD the transfer box fluid is due to be changed every 3 years, rear locking diff every 4 years and the front diff every 9 years. That's according to the service schedule sheets I downloaded from the Jag site.