Overview - Lower Control Arm And Ball Joint

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Fig 1: Lower Control Arm And Ball Joint Exploded View

Courtesy of AUDI OF AMERICA, LLC

Bolt
- Always replace if removed
Guide Link
- Removing and installing. Refer to GUIDE LINK, REMOVING AND INSTALLING .
- For removing and installing the guide link bonded rubber bushing. Refer to GUIDE LINK BONDED RUBBER BUSHING, REMOVING AND INSTALLING .
Nut
- 70 Nm +180° turn
- Always replace if removed
- Must be tightened in the control position. Refer to WHEEL BEARING IN CONTROL POSITION, LIFTING VEHICLES WITH AIR SUSPENSION or WHEEL BEARING IN CURB WEIGHT, LIFTING VEHICLES WITH COIL SPRING .
Wheel Bearing Housing
Bolt
- 40 Nm
- Always replace if removed
Nut
- 140 Nm
- Always replace if removed
- After loosening threaded connection of guide control arm to wheel bearing housing, adhesive residue must be removed on thread of linkage stub.
Ball Joint
- Removing and installing. Refer to BALL JOINT, REMOVING AND INSTALLING .
- There are different versions. For allocation. Refer to the Parts information.
  NOTE:
  Note installation position. Refer to Installing .
  
  Install the ball joint into the wheel bearing housing as far as the contact surface.
Nut
- M12: 120 Nm
- M14: 140 Nm
- Always replace if removed
- There are different versions. For allocation. Refer to the Parts information.
- After loosening threaded connection on the ball joint to the wheel bearing housing, adhesive residue must be removed on thread of linkage stub.
Nut
- 90 Nm +90° turn
- Always replace if removed
- Must be tightened in the control position. Refer to WHEEL BEARING IN CONTROL POSITION, LIFTING VEHICLES WITH AIR SUSPENSION or WHEEL BEARING IN CURB WEIGHT, LIFTING VEHICLES WITH COIL SPRING .
Control Arm
- Removing and installing. Refer to CONTROL ARM, REMOVING AND INSTALLING .
- There are different versions. For allocation. Refer to the Parts information.
- For removing and installing the control arm bonded rubber bushing on the wheel bearing housing side. Refer to CONTROL ARM BALL BEARING, REPLACING, WHEEL BEARING HOUSING SIDE .
- For removing and Installing the control arm bonded rubber bushing on the subframe side. Refer to CONTROL ARM BALL BEARING, REPLACING, SUBFRAME SIDE .
Bolt
- Always replace if removed
Nut
- 9 Nm
Bolt
- Always replace if removed
Nut
- 70 Nm + 180° turn
- Always replace if removed
- Must be tightened in the control position. Refer to WHEEL BEARING IN CONTROL POSITION, LIFTING VEHICLES WITH AIR SUSPENSION or WHEEL BEARING IN CURB WEIGHT, LIFTING VEHICLES WITH COIL SPRING .
Left Front Level Control System Sensor -G78- or Right Front Level Control Sensor -G289-
- Only remove and install or replace completely. Refer to LEFT/RIGHT FRONT LEVEL CONTROL SYSTEM SENSOR -G78- / -G289-, REMOVING AND INSTALLING .
- The sensor lever must point toward the back
- Perform the headlamp adjustment after loosening. Refer to HEADLAMP, ADJUSTING .
- If the Level Control Sensor -- was removed and installed or if the linkage was loosened, the control position must be programmed again by starting the correct program on the Vehicle Diagnostic Tester in Guided Functions .
- If the control position was reprogrammed on vehicles with lane assist, the Camera Control Module -J852- must be calibrated again. Refer to DRIVER ASSISTANCE SYSTEMS FRONT CAMERA, CALIBRATING .
Bolt
- 9 Nm
Shock Absorber Fork