Audi A4 Owners & Service Manuals

Audi A4: Overview - Subframe

Audi A4 (B9) 2016-2025 Service Manual / Chassis / Rear Suspension / Subframe / Overview - Subframe

Overview - Subframe, FWD

  Caution

There is a risk of damaging the threads on the subframe threaded connection to the body.

  • The subframe bolts on the body must not be loosened or tightened with an impact wrench.
  • Always install all bolts by hand for the first few turns.

Overview - Subframe, FWD

1 - Bolt

  • 130 Nm + 180º
  • Replace after removing

2 - Front Bonded Rubber Bushing

  • For the subframe

3 - Subframe

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

4 - Rear Bonded Rubber Bushing

  • For the subframe

5 - Bolt

  • 90 Nm + 180º
  • Replace after removing

Overview - Subframe, AWD

  Caution

There is a risk of damaging the threads on the subframe threaded connection to the body.

  • The subframe bolts on the body must not be loosened or tightened with an impact wrench.
  • Always install all bolts by hand for the first few turns.

Overview - Subframe, AWD

1 - Bolt

  • Replace after removing

2 - Rear Final Drive

3 - Stop Buffer

4 - Bolt

  • 130 Nm + 180º
  • Replace after removing

5 - Bolt

6 - Front Bonded Rubber Bushing

  • For the subframe

7 - Subframe

  • Securing. Refer to → Chapter "Subframe, Securing".
  • Removing and installing. Refer to → Chapter "Subframe, Removing and Installing".

8 - Spacer

  • Installed depending on the model

9 - Nut

  • 20 Nm

10 - Rear Bonded Rubber Bushing

  • For the rear final drive
  • Removing and installing. Refer to → Chapter "Rear Bonded Rubber Bushing for Rear Final Drive, Removing and Installing".
  • Installation position. Refer to → Fig. "Rear Bonded Rubber Bushings Installation Position for the Rear Final Drive".

11 - Bolt

  • Tightening specification. Refer to → Rear Final Drive; Rep. Gr.39; Subframe Mount; Overview - Subframe Mount.

12 - Spacer

  • Installed depending on the model

13 - Rear Bonded Rubber Bushing

  • For the subframe

14 - Bolt

  • 90 Nm + 180º
  • Replace after removing

15 - Nut

  • Tightening specification. Refer to → Rear Final Drive; Rep. Gr.39; Subframe Mount; Overview - Subframe Mount.

Rear Bonded Rubber Bushings Installation Position for the Rear Final Drive

  • The grooves -arrows- on the bonded rubber bushings -1- are at a right angle.

A42-10850

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     Subframe, Securing

    Special tools and workshop equipment required Torque Wrench 1331 5-50Nm -VAG1331- Torque Wrench 1332 40-200Nm -VAG1332- Engine and Gearbox Jack -VAS6931- Gearbox Support -T40173- Locating Pins -

     Subframe, Removing and Installing

      Caution This procedure contains mandatory replaceable parts. Refer to component overview and parts catalog prior to starting procedure. Mandatory Replacement Parts Bolt - Bonded Rubber Bu

     Stabilizer Bar

    Overview - Stabilizer Bar 1 - Bolt 25 Nm + 90º Replace after removing Tighten in the curb weight position. Refer to → Chapter "Wheel Bearing in Curb Weight Position, Lifting Ve

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     Raising the vehicle

    Applies to: vehicles with vehicle jack Fig. 174 Sill panels: markings Fig. 175 Sill: positioning the vehicle jack Place the vehicle jack from the vehicle tool kit on a firm surface. Use a flat, stable support if necessary. On a slippery surface such as tile, you should use a non-slip pad such

     Subwoofer -R211-, Removing and Installing

    Subwoofer -R211-, Removing and Installing, Sedan The Subwoofer -R211- is located in the rear shelf. Removing - Turn off the ignition and all electrical equipment and remove the ignition key. - Remove the rear shelf. Refer to → Body Interior; Rep. Gr.70; Vehicle Interior

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