Track Control Arm, Ball Joint, Guide Link and Level Control System Sensor Assembly Overview
Track Control Arm, Ball Joint, Guide Link and Level Control System Sensor Assembly Overview
1 Bolt
• Always replace if removed.
2 Guide Link
• Removing and installing, refer to => [ Guide Link ] Service and Repair.
• There are conventional and hydraulic bonded rubber bushings. Allocation, refer to the Electronic Parts Catalog (ETKA).
• Replacing the standard rubber metal bearing, 65 mm diameter for the guide link, refer to => [ Conventional Bonded Rubber Bushing, 65 mm ] Conventional Bonded Rubber Bushing, 65 mm.
• Replacing the hydraulic bonded rubber bushing, 75 mm diameter for the guide link, refer to => [ Hydraulic Bonded Rubber Bushing, 75 mm ] Hydraulic Bonded Rubber Bushing, 75 mm.
3 Nut
• 70 Nm + 180° turn
• Always replace if removed.
• Must be tightened in the curb weight position. Refer to => [ Wheel Bearing, Lifting to Curb Weight Position ] Front Suspension.
4 Wheel Bearing Housing
5 Bolt
• 40 Nm
• Always replace if removed.
6 Nut
• Always replace if removed.
• There are different versions depending on the vehicle. Allocation, refer to the Electronic Parts Catalog (ETKA).
• There are different bolts and tightening specifications.
• After loosening the threaded connection on the guide link on the wheel bearing housing, remove the remaining adhesive from the screw thread.
7 Ball Joint
• Removing and installing, refer to => [ Ball Joint ] Service and Repair.
• There are different versions depending on the vehicle. Allocation, refer to the Electronic Parts Catalog (ETKA).
• Pay attention to the installed position. Refer to => [ Installing ] Service and Repair.
• Install the ball joint up to the contact surface in the wheel bearing housing.
8 Nut
• There are different versions depending on the vehicle. Allocation, refer to the Electronic Parts Catalog (ETKA).
• There are different bolts and tightening specifications.
• Always replace if removed.
• After loosening the threaded connection on the ball joint on the wheel bearing housing, remove the remaining adhesive from the screw thread.
9 Nut
• 90 Nm + 90° turn
• Always replace if removed.
• Must be tightened in the curb weight position. Refer to => [ Wheel Bearing, Lifting to Curb Weight Position ] Front Suspension.
10 Track Control Arm
• Removing and installing, refer to => [ Track Control Arm ] Track Control Arm.
• There are different versions depending on the vehicle. Allocation, refer to the Electronic Parts Catalog (ETKA).
• Control arm mount, replacing, refer to => [ Track Control Arm Mount ] Track Control Arm Mount.
11 Bolt
• Always replace if removed.
12 Nut
• 9 Nm
13 Bolt
• Always replace if removed.
14 Nut
• 70 Nm + 180° turn
• Always replace if removed.
• Must be tightened in the curb weight position. Refer to => [ Wheel Bearing, Lifting to Curb Weight Position ] Front Suspension.
15 Left Front Level Control System Sensor or Right Front Level Control Sensor
• The only sensors that may be installed must be the same type.
• Either completely remove and install or replace. Refer to => [ Level Control System Sensor ] Level Control System Sensor.
• The sensor lever must point toward the rear.
• Check the basic setting for the headlamp adjustment after loosening.
• The control position must be "retaught" if the vehicle level sensor has been removed or installed, or if the linkage rod has loosened, in vehicles equipped with electronic damping. Refer to => [ Control Position, Programming using VAS 5051B ] Testing and Inspection.
• The directional stabilization assistance control module (J759) must be re-calibrated if the control position has been "retaught" in vehicles equipped with lane assist. Refer to => [ Lane Assist Calibration Procedure ] Lane Assist Calibration Procedure.
16 Bolt
• 20 Nm
17 Shock Absorber Fork
Nut Designs for Mounting Control Arms and Guide Links
• Hex-collar nut - A - M12 special wrench 21 mm
Tightening specification: 145 Nm
• Hex-combination nut - B - M12 special wrench 18 mm
Tightening specification: 110 Nm
• Hex-combination nut - B - M12 special wrench 21 mm
Tightening specification: 120 Nm
• Hex-combination nut - B - M12 special wrench 21 mm
Tightening specification: 140 Nm