Wheel Hub

Part IV, Stub axle carrier - front wheel drive





1 - Stub axle carrier

^ Vehicles with front wheel drive

2 - Wheel bearing unit

^ The wheel bearing and wheel hub are installed together in a housing.
^ This wheel bearing/hub unit is maintenance and adjustment free. Adjusting and servicing is not possible!
^ Does not need to be replaced
^ If wheel bearing unit can be removed from stub axle carrier by hand, wheel bearing unit is OK and can be reinstalled.
^ If it cannot be removed by hand, wheel bearing unit must be replaced.
^ Replace only as a unit

3 - Collar screw

^ Always replace
^ tighten to 200 Nm plus 180 degrees additional turn
^ tighten to 200 Nm, if vehicle is raised, only tighten with additional turn when vehicle is on floor
^ If vehicle is resting on floor, do not loosen more than 90 degrees

4 - Dust cap

^ Always replace if removed
^ An appropriate seal can only be achieved with a new dust cap.
^ Only then is an optimum function and long service life guaranteed.

5 - Speed sensor

^ Wire routing

6 - Hex socket head bolt, 10 Nm
7 - Nut, self-locking

^ Always replace

8 - Washer
9 - Strut

^ On vehicles with Dynamic Ride Control (DRC II), empty and fill system
^ Removing and installing
^ Observe installed location
^ Note different vehicle versions, see vehicle data plate.
^ Faulty struts must be vented and emptied before disposal
^ Check removed strut

10 - Combi-bolt, 36 Nm
11 - Combi-bolt

^ Always replace
^ Tighten to 150 Nm plus an additional 90 degrees turn
^ Tighten bolts only in curb weight position





Speed sensor wire routing on trapezoidal control arm

1 - Screw with cylindrical shoulder, 10 Nm

2 - Collar bolt, 10 Nm

3 - Cable guide

- To remove, remove collar bolt - 2 - and carefully slide cable guide off of screws - 1 - - arrow A -.
- To remove complete wiring, unclip at subframe - arrow B -.





Strut location

Longer collar on strut - arrow A - must sit in centering seat on stub axle carrier/wheel bearing housing - arrow B -.