Replace the bearing inner races and grease seals with
Apply grease to the grease seal lips.
Install the lower grease seal [A] on the steering stem, and
press the lower ball bearing inner race [B] applied the
grease onto the stem.
Special Tools - Steering Stem Bearing Driver,
Steering Stem Bearing Driver Adapter,
41.5 [D]: 57001-1345
Apply grease to the lower ball bearing [A], and install it
onto the steering stem.
The lower and upper ball bearings are identical.
Apply grease to the upper ball bearing [B] and inner race
Steering Stem [A]
Upper Ball Bearing and Inner Race [B]
Stem Cap [C]
Steering Stem Nut [D]
Settle the bearings in place as follows.
Tighten the steering stem nut with 65 N·m (6.6 kgf·m, 48
ft·lb) of torque first, and loosen it a fraction of a turn until
it turns lightly. Afterward tighten it again with specified
torque using a steering stem nut wrench [A].
Check that there is no play and the steering stem turns
smoothly without rattles. If not, the steering stem bearings
may be damaged.
Special Tool - Steering Stem Nut Wrench: 57001-1100
Torque - Steering Stem Nut: 20 N·m (2.0 kgf·m, 15 ft·lb)