Audi A4 Owners & Service Manuals

Audi A4: Underbody Trim Panel

Overview - Underbody Trim Panels

Overview - Underbody Trim Panels

1 -  Nut

  • 2 Nm
  • Quantity: 2

2 -  Front Underbody Panel

  • Removing and installing. Refer to → Chapter "Underbody Trim Panel, Removing and Installing, Front".

3 -  Impact Protector

4 -  Bolt

  • 2 Nm

5 -  Center Underbody Trim Panel

  • Removing and installing. Refer to → Chapter "Underbody Trim Panel, Removing and Installing, Center".

6 -  Rear Underbody Trim Panel

  • Removing and installing. Refer to → Chapter "Underbody Trim Panel, Removing and Installing, Rear".

7 -  Nut

  • 2 Nm
  • Quantity: 2

8 -  Bolt

  • 2 Nm
  • Quantity: 3

9 -  Side Underbody Trim Panel

  • Removing and installing. Refer to → Chapter "Underbody Trim Panel, Removing and Installing, Side".

10 -  Bracket

  • For the rear underbody trim panel

11 -  Nut

  • 2 Nm

12 -  Bolt

  • 2 Nm

13 -  Bolt

  • 2 Nm
  • Quantity: 2

14 -  Nut

  • 2 Nm
  • With fastener
  • Quantity: 2

15 -  Nut

  • 2 Nm
  • With fastener
  • Quantity: 11

Overview - Underbody Bracing

Overview - Underbody Bracing

1 -  Bolt

  • 55 Nm
  • Quantity: 4

2 -  Bolt

  • 50 Nm + 90º
  • Replace after removing
  • Quantity: 5

3 -  Right Diagonal Brace

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

4 -  Left Diagonal Brace

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

5 -  Bolt

  • 50 Nm + 90º
  • Replace after removing
  • Quantity: 5

6 -  Tunnel Brace

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

    READ NEXT:

     Underbody Trim Panels, Removing and Installing

    Underbody Trim Panel, Removing and Installing, Front Removing - Remove the nuts -arrows-. - Remove the front underbody trim panel -2- from the center underbody trim panel -1-. Installing

     Roof Molding/Roof Railing

    Overview - Roof Railing 1 -  Nut Quantity: 4 Insert with locking fluid. Refer to the Parts Catalog. Tightening specification and sequence. Refer to → Fig. "Roof Railing - Tightening

     Exterior Rearview Mirror

    Overview - Exterior Rearview Mirror 1 -  Mirror Trim 2 -  Bolt 1.5 Nm 3 -  Mirror Adjusting Unit Removing and installing. Refer to → Chapter "Mirror Adjusting

    SEE MORE:

     Electromechanical parking brake

    Operating the parking brake The electromechanical parking brake is used to secure the vehicle from rolling away unintentionally. The switch is located under the selector lever in the center console. It turns on when the parking brake is set. You can release the parking brake manually or automatic

     Rear Window

    Overview - Rear Window Overview - Rear Window, Sedan 1 -  Rear Window Removing and installing. Refer to → Chapter "Rear Window, Removing and Installing". Distance to roof: dimension -a- = 2 mm Distance to C-pillars: dimension -d- = approximately 3 mm; center if necessary 2 

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