![](../../../img/26/AC301927AF00ENG.png)
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1.Install the following
special tools and tighten them to the specified
torque.
- Front hub remover and installer (MB991017)
- Spacer (MB991000)
Tightening torque: 245 ± 29 N·m
2.Hold front wheel hub assembly in a
vice, using wooden blocks. 3.Rotate the hub in
order to seat the bearing.
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![](../../../img/26/AC206090AD00ENG.png)
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4.Measure the wheel bearing
rotation starting torque by using the following special
tools.
- Preload socket (MB990326)
- Torque wrench (MB990685)
Limit: 2.1 N·m 5.If the
rotation starting torque is not within the limit when the
nut is tightened to 245 ± 29 N·m, replace the
front wheel hub assembly. If there is any signs of binding
or tight spots when the wheel bearing turns, replace it
too.
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![](../../../img/26/AC206091AG00ENG.png)
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6.Use the special tool to
measure to determine whether the wheel bearing axial play is
within the specified limit or not. Limit: 0.05
mm 7.If the play exceeds the limit when
the nut is tightened to 245 ± 29 N·m, replace
the front wheel hub assembly.
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