DISASSEMBLY -- CHASSIS
Pinion Joint Holder (57001-1050)
out the pinion shaft joint
and 0 ring
• Remove the circlip
from the pinion shaft
then take out the grease seal
using the puller (special
tool: PjN 57001-158) .
• Pull the pinion gear
from the bearing housing
• Pry the oil seal
from the bearing housing, and re-
move the inner race of the tapered roller bearing
• Using a suitable puller, remove the outer races of the
tapered roller bearings
from the bearing housing.
B. Bearing Housing
.Using the puller (special tool), pull the inner race of
the tapered roller bearing
from the pinion gear.
A. Puller (57001-158)
B. Inner Race
Pinion Gear Assembly Notes:
The pinion gear and ring gear are lapped as a set
in the factory to get the best tooth
must be replaced as a set.
2. Check and adjust the preload of the tapered roller
3. If the pinion gear
tapered roller bearing@, or
the bearing housing was replaced, be sure to check
and adjust the backlash and tooth contact of the
bevel gears (Pg. 157).
4. Replace the pinion gear nut
with a new one. After
adjusting the preload of the tapered roller bearings
156.), tighten the nut to 12.0 kg-m (87
ft-Ibs) of torque using the pinion joint holder (special
tool: PjN 57001-1050) (See Fig. Gl08). Stake the
head of the nut with a punch .
A. Stake the pinion gear nut.
5. Using the driver (special tool), install the inner
race of the tapered roller bearing
on the pinion
A. Driver (57001 -380)
6. Using the drivers and holder (special tool), install
the outer races of the tapered roller bearings