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1.Tighten the following
special tools in hub and knuckle assembly to the specified
torque.
- Front hub remover and installer (MB990998)
- Drag link bushing remover and installer A
(MB990843)
Tightening torque: 220 ± 10
N·m
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2.Measure the hub starting
torque by using the following special
tools.
- Torque wrench (MB990685)
- Preload socket (MB990326)
Limit:
3.0 N·m
<Vehicles with 16 inch brake>
3.5
N·m <Vehicles with 17 inch
brake>
3.Hub starting
torque must be under the limit value and there should be no
roughness when rotating the hub.
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1.Measure to determine
whether the wheel bearing axial play is within the limit or
not by using the following special tools.
- Front hub remover and installer (MB990998)
- Drag link bushing remover and installer A
(MB990843)
Limit: 0 mm
2.If the play is
not within the limit range while the nut is tightened to 220
± 10 N·m, check mounting bolt for hub and
knuckle assembly. If no defects are found, replace hub
assembly.
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