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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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