![](../../../img/26/AC100130AE00ENG.png)
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Use the following special tools to
pull out the front wheel hub assembly from the
knuckle.
- Front hub remover and installer (MB991017)
note |
Except spacer
(MB991019).
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- Knuckle arm bridge (MB991355)
- Front hub remover and installer spacer
(MB992867)
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![](../../../img/26/AC302114AB00ENG.png)
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Use special tool hub bolt remover
(MB991618) to remove the hub bolt.
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![](../../../img/26/AC707151AA00ENG.png)
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1.From the inner race of the
wheel bearing outer side, remove the ball bearing.
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![](../../../img/26/AC601860AD00ENG.png)
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2.Using the bearing remover
special tool, remove the oil seal from the
hub.
- Spacer (MB991019)
- Remover (MD998801)
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![](../../../img/26/AC601861AA00ENG.png)
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3.
caution |
- Be careful not to grind
the inner race press-fit section when
grinding off the outer side inner
race.
- When the inner race (outside) has been
pulled out, be careful not to drop the
hub.
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Fix the hub, then grind off the inner race of wheel
bearing outer side.
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![](../../../img/26/AC601862AA00ENG.png)
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4.Wedge a chisel or a
similar tool into the ground section, and remove the inner
race of
wheel bearing outer side. 5.Using snap ring
pliers, remove the snap ring from the knuckle.
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![](../../../img/26/AC601863AD00ENG.png)
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6.Use the following special
tools to remove the wheel bearing outer race from the
knuckle.
- BASE (MB992254)
- Oil seal installer (MD999547)
|
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1.Remove grease,
anticorrosive oil and foreign material cleanly from the
inside of knuckle
bore.
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![](../../../img/26/ACC02905AB00ENG.png)
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2.Apply the specified grease
to the inside surface (application range: approx. 10 to 20
mm) at the shown position. Specified grease:
Dowcorning/Molykote BR2 Plus Amount to use: as
required (0.5 - 1.5 g)
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![](../../../img/26/ACB02702AC00ENG.png)
![](../../../img/26/ACB02700AB00ENG.png)
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3.
caution |
- The magnetic encoder is integrated into
the wheel bearing. Make sure that the
wheel bearing
is installed as shown in the
illustration.
- Press the outer race when pressing-in
the wheel bearing. Otherwise the wheel
bearing
will be damaged.
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Use the following special tools to press-fit the
wheel bearing to the knuckle.
- Ball joint A remover and installer
(MB990799)
- Installer cap (MD998812)
- Installer 100 (MD998813)
- Installer adapter (MD998815)
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![](../../../img/26/AC104588AB00ENG.png)
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After fixing the hub using special
tool front hub and flange yoke holder (MB990767), install
the plain washer to the new hub bolt, and tighten the bolt
with a nut.
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![](../../../img/26/ACB02706AB00ENG.png)
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Use the following special tools to
press-fit the hub to the knuckle wheel
bearing.
- Ball joint B remover and installer
(MB990800)
- Oil seal installer (MB991199)
|
![](../../../img/26/ACB02712AB00ENG.png)
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1.Set the following special
tools as shown in the figure, tighten the nut to the
specified
torque, and press-fit the hub into the
knuckle:
- Spacer (MB991000)
- Front hub remover and installer (MB991017)
note |
Except spacer
(MB991019).
|
- Front hub remover and installer spacer
(MB992867)
Tightening torque: 270 ± 27
N·m 2.Rotate the hub to make the
bearing well-greased.
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![](../../../img/26/AC100136AB00ENG.png)
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3.Use the following special
tools to measure the hub rotation starting
torque.
- Preload socket (MB990326)
- Torque wrench (MB990685)
Limit: 1.5 N·m 4.Hub
rotation starting torque should be within the limit value,
and there should be
no roughness and gritty feeling in rotation.
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![](../../../img/26/ACB02712AB00ENG.png)
![](../../../img/26/AC102514AM00ENG.png)
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1.Use the following special
tools to measure the wheel bearing axial
play:
- Spacer (MB991000)
- Front hub remover and installer (MB991017)
note |
Except spacer
(MB991019).
|
- Front hub remover and installer (MB992867)
Limit: 0.05 mm 2.If the axial
play is not within the limit range while the nut is
tightened to the
specified torque, the bearing, hub and/or knuckle have
probably not been installed
correctly. Replace the bearing and
re-install. Tightening torque: 270 ± 27
N·m
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