Disassembly

DISASSEMBLY

To detect the real cause of trouble, inspect the following items before disassembling.

^ Tooth contact and backlash between hypoid driven gear and drive pinion
^ Total preload of drive pinion

1) Remove the air breather hose.
2) Set the ST on vise and install the differential assembly to ST.

ST 398217700 ATTACHMENT SET





3) Remove the oil drain plug and filler plug, and drain the gear oil.
4) Remove the rear differential oil temperature switch.
5) Remove the rear cover by removing retaining bolts.





6) Remove the lock plate RH and LH.





7) Remove the side retainer RH and LH with the
ST.

ST 18630AA010 WRENCH COMPL RETAINER

NOTE:
Never mix up the RH and LH retainers.





8) Pull out the differential case assembly from differential carrier.

NOTE:
Be careful not to hit the teeth against the case.





9) Remove the bearing race from the side retainer RH and LH with the ST and a press.

ST 18758AA000 PULLER

NOTE:
^ Be sure to turn the bolt of puller manually.
^ Set the side retainer and the puller so that the side retainer claws catch the puller groove.








10) Remove the oil seal from the side retainer RH and LH using a screwdriver.

NOTE:
Perform this operation only when changing oil seal.





11) Extract the bearing cone with ST1, ST2 and ST3

NOTE:
^ Do not attempt to disassemble the parts unless necessary.
^ Never mix up the RH and LH bearing races and cones.

ST1 498077000 REMOVER
ST2 399520105 SEAT
ST3 899864100 REMOVER





12) Remove the hypoid driven gear by loosening hypoid driven gear bolts.





13) Remove the self-locking nut while holding the companion flange with ST.

ST 498427200 FLANGE WRENCH





14) Extract the companion flange with a puller.

ST 399703600 PULLER ASSY





15) Removes the drive pinion shaft.
16) Remove the rear bearing cone from drive pinion by supporting the cone with ST.

NOTE:
Place the replacer so that its center-recessed side faces the pinion gear.

ST 398517700 REPLACER





17) Remove the front oil seal from differential carrier using screwdriver.
18) Remove the pilot bearing, front bearing cone and spacer.





19) When replacing the bearings, hit out the front bearing cup and rear bearing cup in this order using a brass bar.