Rear Suspension

FWD

=> [ Subframe ]

=> [ Stub Axle Carrier ]

Subframe





1 - Subframe

• Removing and installing, refer to => [ Subframe ] Service and Repair

• Subframe mountings, replacing, refer to => [ Subframe Mount ] Subframe Mount

2 - Plastic insert

• Part of purchased mounting assembly

3 - Washer

• Always replace

4 - Combi-bolt

• 110 Nm plus an additional 90° turn

• Always replace

• Threads in body can be repaired according to DIN 8140 using wire thread inserts (Heli-Coil). Thread insert must be same length as thread in body.

5 - Washer

• Front only

• Corrugation face toward body

• Installed only with a hydraulic mounting

• Discontinued from calendar week 48.2000 with introduction of new hydraulic mounting.

Stub Axle Carrier





1 - Stub axle carrier

• With FWD

• Removing and installing, refer to => [ Stub Axle Carrier, FWD ] Stub Axle Carrier, FWD

• Servicing, refer to => [ Stub Axle Carrier, FWD ] Stub Axle Carrier, FWD

2 - Wheel bearing unit

• Removing and installing, refer to => [ Steel Wheel Bearing Housing, AWD ] Steel Wheel Bearing Housing, AWD

• 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 complete unit

3 - Collar bolt

• Always replace

• 200 Nm plus an additional 180° 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°

4 - Dust cap

• Always replace after removal

• An appropriate seal can only be achieved with a new dust cap.

• Only then is an optimum function and long service life guaranteed.

5 - Wheel speed sensor

• Wire routing => [ Speed sensor wire routing on trapezoidal control
arm ]

6 - Socket head bolt

• 10 Nm

7 - Self-locking nut

• Always replace

8 - Washer

9 - Shock Absorbers

• On vehicles with Dynamic Ride Control (DRC II), empty and fill system, refer to => [ Dynamic Ride Control, Emptying and Filling ] Service and Repair

• Removing and installing, refer to => [ Shock Absorber ] Shock Absorber

• Note installed position => [ Shock absorber location ]

• Pay attention to the different types of suspension; see vehicle data plate => [ Explanations of the production
control numbers (PR number) ] Application and ID.

• Faulty shock absorbers must be vented and emptied before disposal, refer to => [ Rear Gas-Filled Strut, Venting ] Rear Gas-Filled Strut, Venting

• Check removed shock absorber, refer to => [ Shock Absorbers, Removed, Checking ] Shock Absorbers, Removed, Checking

10 - Combi-bolt

• 36 Nm

11 - Combi-bolt

• 150 Nm plus an additional 90°

• Always replace

• Tighten bolts only in curb weight position

Speed sensor wire routing on trapezoidal control arm





1 Install 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 bolts - 1 - - arrow A -.
To remove complete wiring, also unclip at subframe - arrow B -.

Shock absorber location





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