Mounting Bracket, Upper Control Arms and Air Spring Damper Assembly Overview
Mounting Bracket, Upper Control Arms and Air Spring Damper Assembly Overview
1 Bolt, 50 Nm + 90° additional turn
• Always replace.
2 Washer
3 Bolt, 40 Nm + 90° additional turn
• Always replace.
• Follow the tightening sequence => [ Tightening Sequence ] Air Spring Damper.
• Tower brace removing and installing. Refer to => [ Tower Brace ] Service and Repair.
4 Nut, 23 Nm
• Always replace.
5 Mounting Bracket
• Removing and installing, refer to => [ Mounting Bracket ] Front Suspension.
6 Self Locking Nut
• Always replace.
7 Upper Front Control Arm
• Removing and installing, refer to => [ Front Upper Control Arm ] Front Upper Control Arm.
• Bushing replacing, refer to => [ Upper Control Arm Bushing ] Upper Control Arm Bushing.
8 Upper Rear Control Arm
• Can only be removed together with the mounting bracket.
• Mounting bracket removing and installing. Refer to => [ Mounting Bracket ] Front Suspension.
• Bushing replacing, refer to => [ Upper Control Arm Bushing ] Upper Control Arm Bushing.
9 Self Locking Nut
• Always replace.
• There are different version of the self locking nut
10 Washer
• Not installed on armored vehicles
11 Bolt, 50 Nm
• Not on armored vehicles, there are different bolt versions
12 Bolt, 50 Nm + 180° additional turn
• Always replace.
• Used on armored vehicles, there are different bolt versions
• The additional angle must be performed in steps.
• Coat the bolt and the hole in the wheel bearing housing with grease before installing.
13 Wheel Bearing Housing
• Wheel bearing assembly overview, refer to => [ Wheel Hub, Bearing and Housing Assembly Overview ] Wheel Hub, Bearing and Housing Assembly Overview.
• Wheel bearing housing removing and installing. Refer to => [ Wheel Bearing Housing ] Removal and Replacement.
14 Connecting Link
• Right and left are the same.
• Installed position, refer to => [ Connecting Link Installed Position ] Subframe, Engine Carrier and Stabilizer Bar Assembly Overview.
• Removing and installing, refer to => [ Connecting Link ] Front Suspension.
15 Self Locking Nut, 40 Nm + 90° additional turn
• Always replace.
• Raise the wheel bearing housing before tightening. Refer to => [ Wheel Bearing Housing, Raising to Control Position to Tighten Bolts ] Front Suspension.
16 Bolt, 40 Nm + 90° additional turn
• Always replace.
• Raise the wheel bearing housing before tightening. Refer to => [ Wheel Bearing Housing, Raising to Control Position to Tighten Bolts ] Front Suspension.
17 Stabilizer Bar
• With cast rubber bushings and clamps.
• Removing and installing, refer to => [ Stabilizer Bar ] Stabilizer Bar.
• Note the different suspension versions. Refer to => [ PR Number Explanations ] Application and ID.
18 Track Control Arm
• Removing and installing, refer to => [ Track Control Arm ] Track Control Arm.
• Bushing replacing, refer to => [ Track Control Arm Bushing ] Track Control Arm Bushing.
19 Bolt, 90 Nm + 90° additional turn
• Always replace.
• Raise the wheel bearing housing before tightening. Refer to => [ Wheel Bearing Housing, Raising to Control Position to Tighten Bolts ] Front Suspension.
20 Self Locking Nut
• Always replace.
21 Bolt
• Always replace.
22 Air Line
• Colors: front left - red; front right - green.
• Air line, servicing. Refer to => [ Air Line, Servicing ] Pneumatic Level Control System.
• Replace the connector piece if leaking. Refer to => [ Connector Piece, Replacing ] Pneumatic Level Control System.
23 Connector Piece, 3 Nm
• Always observe the tightening specification!
• Only remove if the vehicle is raised and the air spring damper is unloaded (otherwise, there is a risk of injury from lowering vehicle).
• Replace the air line. Refer to => [ Air Line, Servicing ] Pneumatic Level Control System, or replace the connector piece, refer to => [ Connector Piece, Replacing ] Pneumatic Level Control System, if leaking.
• Clean the connection before loosening.
• Air escapes when the connection is loosened.
• Protect the threaded connection from dirt.
24 Air Spring Damper
• With grommet on the strut tower.
• The boot must not have any pressure points. Correct them as necessary. Refer to => [ Air Spring Damper Boot, Correcting Pressure Points ] Front Suspension.
• Note the different suspension versions. Refer to => [ PR Number Explanations ] Application and ID.
• Removing and installing, refer to => [ Air Spring Damper ] Air Spring Damper.
• Disassembling and assembling, refer to => [ Air Spring Damper ] Front Suspension.
25 Residual Pressure Retaining Valve
• Do not loosen.