Operation CHARM: Car repair manuals for everyone.

Wheel Bearing Housing (Steel), Removing and Installing


Wheel bearing housing, removing and installing
Removing
^ Unscrew hex bolt for drive axle.
^ Remove wheels.





^ Unscrew attachment screws -1- from brake caliper.
^ Take off brake caliper and hang on body.
^ Remove brake disc.





^ Remove socket-head bolt -1-.
^ Remove ABS wheel speed sensor -2- from wheel bearing housing.





^ Remove bolt -1- for coupling rod.





^ Unscrew bolt -A- for tie rod.
^ Mark installation position of eccentric washer for bolt -B-.
^ Unscrew bolt -B-.





^ Unscrew bolt-2- for control arm -1-.
^ Pull wheel bearing housing off drive axle.

Installing
Installation is the reverse of removal.
^ Take off backing plate.
^ Bonded rubber bushings can only be turned to a limited extent. The bolted connections should therefore only be tightened when the vehicle is standing on the ground.
Otherwise, the rubber bushing will be stressed and have a shortened service life.
^ Observe notes when installing drive axle

Tightening torques:
M14, drive axle to wheel hub 115 Nm + 180°

Use new bolt!
M16, drive axle to wheel hub 190 Nm + 180°

Use new bolt!
Tie rod to wheel bearing housing 110 Nm
Upper control arm to wheel bearing housing 70 Nm + 90°
Wheel bearing housing to lower control arm 95 Nm

Tightening torques:
Coupling rod to wheel bearing housing 55 Nm
Coupling rod to stabilizer bar 50 Nm
Brake caliper to wheel bearing housing 70 Nm + 90°
Shock absorber to control arm 70 Nm + 90°

Always use new bolts.
After installation, position of steering wheel must be checked with a road test.
If the steering wheel is crooked, an axle alignment must be performed!