Wooden
block
4. Measure the wheel bearing rotation starting
torque by using the following special tools.
• Preload socket (MB990326)
• Torque wrench (MB990685)
Limit: 1.03 N⋅m
5. If the rotation starting torque is not within the limit
range while the nut is tightened to 226 ± 19 N⋅m,
replace the front wheel hub assembly. If there are
any signs of binding or tight spots when the wheel
bearing turns, replace it.
FRONT AXLE
FRONT AXLE HUB ASSEMBLY
MB990326 Wooden
block
MB990685
AC206090 AD
Wooden
block
6. Measure to determine whether the wheel bearing
axial play is within the specified limit or not.
Limit: 0.05 mm
7. If the play is not within the limit range while the nut
is tightened to 226 ± 19 N⋅m, replace the front
wheel hub assembly.
26-11
Wooden
block
MB991017
AC206091AG