S3 E-Type

Due to the inboard rear brake design of the e-type, XJ & other Jaguar cars, the differential is subjected to higher heat stress than in some other applications. The failure of the differential seals can cause the rear brakes to be contaminated with oil.

In my case there was some very small signs of leakage from one side, but no major issue. This job is carried-out as preventive maintenance.


The output shaft is held in-place by a thick metal bearing retainer:


With the bolts removed, the retainer, bearing & shaft can be withdrawn.



The shaft can de dismantled by undoing the large bolt, the bearing is in sections - take care to remember its original orientation.





The seal itself is inside the retainer plate, below the plate and the new seal.



The outer edge of the seal sits slightly proud of the casting: this is how it's meant to be