Audi A4 Owners & Service Manuals

Audi A4: 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-
  • Press Piece - Reverse Gear Syncro -3296-
  • Assembly Paste -G 052 109 A2-

  Caution

This procedure contains mandatory replaceable parts. Refer to component overview and parts catalog prior to starting procedure.

Mandatory Replacement Parts

  • Bolt/Nut - Control Arm to Subframe
  • Bolt - Control Arm to Shock Absorber Fork
  • Nut - Ball Joint to Control Arm

Procedure

  • The control arm is removed. Refer to → Chapter "Control Arm, Removing and Installing".

Bonded Rubber Bushing, Pressing Out

- Mark the press-in depth of the bonded rubber bushing -1- for example using a waterproof felt-tip pen -arrow-.

- Arrange the special tools as shown.

  Note

Hold the control arm firmly in position while pressing the bonded rubber bushing out and in.

- Press out the bonded rubber bushing from the control arm -2-.

A40-10411

Bonded Rubber Bushing, Pressing In

- Transfer the press-in depth mark from the old bonded rubber bushing to the new one.

- Thinly coat the bonded rubber bushing with Assembly Paste -G 052 109 A2-.

- Insert the bonded rubber bushing -1- in the control arm -2-.

- Arrange the special tools as shown.

- Press the bonded rubber bushing in the control arm, and do not tilt it.

- Pay attention to the mark -arrow- for the press-in depth.

A40-10412

- Check the press-in depth of the bonded rubber bushing -1- in the control arm -2-.

  • Specified value: dimension -a- = dimension -b-.

- If the values are different, press in the bonded rubber bushing again.

A40-10413

Control Arm Bearing, Replacing, Subframe Side

Special tools and workshop equipment required

  • Press Plate -VW402-
  • Press Piece - Multiple Use -VW412-
  • Press Piece - Reverse Gear Syncro -3296-
  • Puller - Differential Bearing -T40032-
  • Assembly Paste -G 052 109 A2-

  Caution

This procedure contains mandatory replaceable parts. Refer to component overview and parts catalog prior to starting procedure.

Mandatory Replacement Parts

  • Bolt/Nut - Control Arm to Subframe
  • Bolt - Control Arm to Shock Absorber Fork
  • Nut - Ball Joint to Control Arm

Procedure

  • The control arm is removed. Refer to → Chapter "Control Arm, Removing and Installing".

Bonded Rubber Bushing, Pressing Out

- Mark the press-in depth -arrow- and the installation position -3 and 4- on the bonded rubber bushing -1- as shown using, for example, a waterproof felt-tip pen.

- Arrange the special tools as shown.

  Note

Hold the control arm firmly in position while pressing the bonded rubber bushing out and in.

- Press out the bonded rubber bushing from the control arm -2-.

A40-10416

Bonded Rubber Bushing, Pressing In

- Transfer the press-in depth mark from the old bonded rubber bushing to the new one.

A40-10418

- Thinly coat the bonded rubber bushing with Assembly Paste -G 052 109 A2-.

- Insert the bonded rubber bushing -1- in the control arm -2- and align to the mark -3 to 4-.

- Arrange the special tools as shown.

- Press the bonded rubber bushing in the control arm, and do not tilt it.

- Pay close attention to the press-in depth mark -arrow-.

A40-10415

- Check the press-in depth of the bonded rubber bushing -1- in the control arm -2-.

  • Specified value: dimension -a- = dimension -b-.

- If the values are different, press in the bonded rubber bushing again.

A40-10034

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