Disassembly

Rear Differential (VA-type)

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

NOTE:
Remove it by tapping with a plastic hammer.





6) Remove the lock plate RH and LH.





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

NOTE:
When keeping the retainers aside, use labels etc. to avoid confusing the left and right.

ST 18630AA010 WRENCH COMPL RETAINER





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

NOTE:
Be careful not to hit the teeth of hypoid driven gear against the differential carrier.





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

NOTE:
^ Be sure to turn the bolt of the ST by hand.
^ Set the puller so that its claws catch the groove of side retainer.

ST 18758AA000 PULLER








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

NOTE:
Perform this operation only when changing oil seal.





11) Remove the O-ring.
12) 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





13) Using the ST, loosen the hypoid driven gear bolt and remove the hypoid driven gear.
ST 18270KA020 SOCKET (E20)





14) Remove the spring pin from hypoid driven gear side using ST.
ST 899904100 STRAIGHT PIN REMOVER





15) Draw out the pinion mate shaft and remove pinion mate gears, side gears and side gear thrust washers.

NOTE:
The gears and washers should be marked with RH or LH, front or rear, or kept separately.





16) Remove the circlip from the side gear.





17) Remove the self-locking nut while securing the companion flange with ST.
ST 498427200 FLANGE WRENCH





18) Extract the companion flange using a puller.





19) Remove the drive pinion shaft.
20) 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 bearing cone.

ST 398517700 REPLACER





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





23) When replacing the bearings, tap out the front bearing race and rear bearing race in this order using a brass bar to remove them.