Differential Case Assemble

Differential Case Assemble


Special Tools
* KM-304 Remover
* KM-446 Installer Drift
* KM-451 Remover/Installer
* KM-453 Pusher
* KM-456 Centering Drift
* KM-458-B Mounting Drift



Differential, Assemble (F17+/F17+ MTA)






Important: Lubricate rotating parts on their bearing, running, seating, and pressure surfaces using transmission fluid.


1. Install plastic cage in differential. It must be possible to insert the collar (1) of plastic cage into the guide for the drive pinions in the housing.
2. Assemble differential housing.

* Insert drive and differential pinions in differential housing

Important: Use protective jaws


* Clamp differential housing into vice with KM-458-B (3)
* Center differential pinions with KM-456 (2)
* Install tapered axle (6)
* Attach 2x new retaining ring (4) and (5)






Important: Replace drive gears only in pairs (driving and driven). Note identification groove (arrows) running around tip of tooth.



Notice: Refer to Fastener Notice (Fastener Notice) .

3. Attach ring gear (1).

Tighten 8x new bolts a first pass to 70 N.m (52 lb ft).


Tighten the bolts a second pass 30 degrees.


Tighten the bolts a final pass 15 degrees.





4. Attach 2x tapered roller bearing inner race (2).
Attach tapered roller bearing inner race with KM-453 (1) to differential housing (3).




5. Attach 2x tapered roller bearing outer race.
Install tapered roller bearing outer races (2) with KM-304 (1) and KM-451 (3) in the transmission and bearing race.
6. Fit axle shaft seal rings.
Install axle shaft seal rings with KM-446 in bearing race and transmission housing.