Audi A4 Owners & Service Manuals

Audi A4: Overview - Lower Control Arm and Ball Joint

Audi A4 (B9) 2016-2025 Service Manual / Chassis / Front Suspension / Lower Control Arm and Ball Joint / Overview - Lower Control Arm and Ball Joint

Overview - Lower Control Arm and Ball Joint

1 - Wheel Bearing Housing Side Bonded Rubber Bushing

  • Replacing. Refer to → Chapter "Control Arm Ball Bearing, Replacing, Wheel Bearing Housing Side".

2 - Bolt

  • Replace after removing

3 - Subframe Side Bonded Rubber Bushing

  • Replacing. Refer to → Chapter "Control Arm Bearing, Replacing, Subframe Side".

4 - Control Arm

  • Removing and installing. Refer to → Chapter "Control Arm, Removing and Installing".

5 - Shock Absorber Fork

  • Removing and installing. Refer to → Chapter "Shock Absorber Fork, Removing and Installing".

6 - Nut

  • 70 Nm + 180º
  • Replace after removing
  • Tighten in the curb weight position. Refer to → Chapter "Wheel Bearing in Curb Weight Position, Lifting Vehicles with Coil Spring".

7 - Bolt

  • Replace after removing

8 - Subframe

9 - Bolt

  • Replace after removing

10 - Nut

  • 70 Nm + 180º
  • Replace after removing
  • Tighten in the curb weight position. Refer to → Chapter "Wheel Bearing in Curb Weight Position, Lifting Vehicles with Coil Spring".

11 - Bonded Rubber Bushing

  • Replacing. Refer to → Chapter "Guide Link Bonded Rubber Bushing, Removing and Installing".

12 - Guide Link

  • Removing and installing. Refer to → Chapter "Guide Link, Removing and Installing".

13 - Wheel Bearing Housing

14 - Nut

  • 140 Nm
  • Replace after removing
  • If reusing the guide link, clean the pin threads of the remaining locking compound residue

15 - Bolt

  • 40 Nm
  • Replace after removing

16 - Nut

  • 90 Nm + 90º
  • Replace after removing
  • Tighten in the curb weight position. Refer to → Chapter "Wheel Bearing in Curb Weight Position, Lifting Vehicles with Coil Spring".

17 - Ball Joint

  • Removing and installing. Refer to → Chapter "Ball Joint, Removing and Installing".
  • Contact Surfaces, Inserting in Wheel Bearing Housing.

18 - Nut

  • 140 Nm
  • Replace after removing
  • If reusing the ball joint, clean the pin threads from of remaining locking compound residue

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     Control Arm, Removing and Installing

    Special tools and workshop equipment required Spreader Tool -3424- Torque Wrench 1332 40-200Nm -VAG1332- Engine and Gearbox Jack -VAS6931- Ball Joint Splitter -VAS251805- Engine/Gearbox Jack Ada

     Guide Link, Removing and Installing

    Special tools and workshop equipment required Torque Wrench 1332 40-200Nm -VAG1332- Torque Wrench 1332 Insert - Ring Wrench - 21mm -VAG1332/7- Engine and Gearbox Jack -VAS6931- Puller - Ball Join

     Control Arm Ball Bearing, Replacing

    Control Arm Ball Bearing, Replacing, Wheel Bearing Housing Side Special tools and workshop equipment required Press Plate -VW402- Press Piece - Multiple Use -VW412- Press Piece - 42mm -VW516- Pre

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     Refrigerant R134a Characteristics

    Commercial Names and Designations Refrigerant R134a is currently available under the following trade names: H-FKW 134a SUVA 134a KLEA 134a   Note Different trade names may be used in other countries. Of the wide range of refrigerants available, this is the only one which may be used

     Steering

    Description Electromechanical steering supports the driver's steering movements by electronically adapting the power steering depending on the vehicle speed. The settings depend on the selected Audi drive select* mode. Dynamic steering Applies to: vehicles with dynamic steering The driving dynamic

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