Replacing front wheel bearing hub for BMW 7 E38
31 21 180
Remove the brake rotor without disconnecting the brake hose,
see. 34 11 220.
Remove pulse generator ABS.
Use a screwdriver to remove the hub cap. The hood must be replaced!
Raskontrit Kern castellated nut.
Release nut switch 31 2080.
The nut should be replaced!
After dismantling the bearing assembly must be replaced.
Remove the bearing assembly with special tool 33 2 116/33 4201/202/203 and wheel bolts (1).
If necessary, remove the bearing inner ring with the end of the bridge girder.
Attach special tool 33 4 406/401 on the bearing inner ring and squeeze as long as the device is barely turning.
Remove the inner bearing race with special tool 33 4 402.
Remove the inner bearing ring can also use the special tool 31 2 100.
Remove the protective cover. Remove the inner bearing race and dust sleeve tool 31 2 100.
The gasket (1) on a new dust sleeve (2).
Install protective cover (1). Fit a new dust sleeve (2).
The hole in the dust cup should be aligned with the hole in the steering knuckle.
Screw to lock the mandrel 31 2 110.
Fit a new bearing assembly and compress it with the mandrel 31 2 110.
Screw the new castle nut and tighten its moment,
cm. Specifications 31 21 1AZ,
and lock nut by tapping on it.
When tapped nut must engage in the groove!
Install a new cap on the sealant (see. To BMW Parts Service).