Air Spring: Service and Repair

Mounting Bracket, Shock Absorber Fork, Upper Control Arm and Tower Brace Overview






1 Nuts

• 30 Nm

2 Tower Brace

• Removing and installing, refer to => [ Tower Brace ] Service and Repair.

3 Bolts

• 7 Nm

4 Nut

• Always replace if removed.

5 Upper Rear Control Arm

• Removing and Installing, refer to => [ Upper Control Arm ] Upper Control Arm

6 Bolt

• 50 Nm + 90° turn

• Always replace if removed.

• Must be tightened in the curb weight position. Refer to => [ Wheel Bearing with Coil Spring, Lifting to Curb Weight Position ] Front Suspension.

7 Bolt

• Always replace if removed.

8 Washer

9 Wheel Bearing Housing

10 Nut

• 40 Nm

• Always replace if removed.

11 Upper Front Control Arm

• Removing and installing, refer to => [ Upper Control Arm ] Upper Control Arm.

12 Bolt

• 50 Nm + 90° turn

• Always replace if removed.

• Must be tightened in the curb weight position. Refer to => [ Wheel Bearing with Coil Spring, Lifting to Curb Weight Position ] Front Suspension.

13 Nut

• Always replace if removed.

14 Nut

• 90 Nm + 90° turn

• Always replace if removed.

• Must be tightened in the curb weight position. Refer to => [ Wheel Bearing with Coil Spring, Lifting to Curb Weight Position ] Front Suspension.

15 Bolt

• Always replace if removed.

16 Control Arm

17 Bolt

• 40 Nm + 90° turn

• Always replace if removed.

• Must be tightened in the curb weight position. Refer to => [ Wheel Bearing with Coil Spring, Lifting to Curb Weight Position ] Front Suspension.

18 Coupling Rod

• Note installed position. Refer to => [ Coupling Rod ] Coupling Rod.

• There are versions made of aluminum and plastic. Allocation, refer to the Electronic Parts Catalog (ETKA).

• A mixed installation is not permitted.

19 Shock Absorber Fork

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

20 Nut

• 40 Nm + 180° turn

• Always replace if removed.

21 Bolt

• Always replace if removed.

22 Suspension Strut

• Suspension strut with bracket, removing and installing, refer to => [ Suspension Strut with Mounting Bracket ] Suspension Strut With Mounting Bracket.

• Servicing the suspension strut and bracket, refer to => [ Suspension Strut and Mounting Bracket ] Front Suspension.

• Note different types of suspension versions, see vehicle data plate. Refer to => [ Production Control Number (PR Number) Explanations ] Application and ID.

• Faulty shock absorbers must be vented and emptied before disposal. Refer to => [ Front Shock Absorbers, Venting and Emptying ] Front Shock Absorbers, Venting and Emptying.

• Check removed shock absorber. Refer to => [ Shock Absorbers, Checking when Removed ] Shock Absorbers, Checking When Removed.

23 Bolts

• 40 Nm + 90° turn

• Follow tightening sequence. Refer to => [ Install and tighten the bolts, on after the other, in the following sequence and. ] Suspension Strut With Mounting Bracket.

• Always replace if removed.