Audi Q7 Owners & Service Manuals

Audi Q7: Underbody Trim Panel

Overview - Underbody Trim Panels

Overview - Underbody Trim Panels

1 - Nut

  • 2.5 Nm
  • Quantity: 2

2 - Bolt

  • 2.5 Nm
  • Quantity: 4

3 - Bolt

  • 6 Nm

4 - Front Underbody Panel

  • There are different versions. Refer to the Parts Catalog.
  • Removing and Installing. Refer to → Chapter "Underbody Trim Panel, Removing and Installing, Front".

5 - Expanding Rivet

  • Quantity: 4

6 - Bolt

  • 2.5 Nm
  • Quantity: 2

7 - Center Underbody Trim Panel

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

8 - Nut

  • 2.5 Nm

9 - Bolt

  • 2.5 Nm

10 - Tank Underbody Trim Panel

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

11 - Expanding Rivet

12 - Nut

  • 4.5 Nm

13 - Bracket

  • For the side underbody trim panel

14 - Rear Underbody Trim Panel

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

15 - Bolt

  • 2.5 Nm
  • Quantity: 6

16 - Nut

  • 2.5 Nm
  • Quantity: 2

17 - Nut

  • 2.5 Nm
  • With fastener
  • Quantity: 11

18 - Side Underbody Trim Panel

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

19 - Bolt

  • 2.5 Nm
  • Quantity: 6

Overview - Underbody Bracing

Overview - Tunnel Brace

Overview - Tunnel Brace

1 - Bolt

  • 70 Nm

2 - Front Tunnel Brace

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

3 - Bolt

  • 49 Nm

4 - Mount

  • For the center muffler

5 - Rear Tunnel Brace

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

6 - Bolt

  • 49 Nm
  • Quantity: 9

7 - Bolt

  • 49 Nm
  • Quantity: 2

Overview - Diagonal Brace

Overview - Diagonal Brace

1 - Bolt

  • Tightening specification. Refer to → Suspension, Wheels, Steering; Rep. Gr.42; Subframe; Overview - Subframe.

2 - Right Diagonal Brace

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

3 - Bolt

  • 49 Nm

4 - Bolt

  • Tightening specification. Refer to → Suspension, Wheels, Steering; Rep. Gr.42; Subframe; Overview - Subframe.

5 - Bolt

  • 49 Nm

6 - Bolt

  • 25 Nm

7 - Left Diagonal Brace

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

8 - Bolt

  • 49 Nm

Overview - Impact Guard

Overview - Impact Guard

1 - Nut

  • 25 Nm
  • Quantity: 2

2 - Bolt

  • 25 Nm
  • Quantity: 2

3 - Bolt

  • 25 Nm
  • Quantity: 2

4 - Reinforcement

  • For power electronics

5 - Bolt

  • Quantity: 7
  • 24 Nm

6 - Left Impact Guard

  • Removing and Installing. Refer to → Chapter "Impact Guard, Removing and Installing".

7 - Nut

  • 25 Nm
  • Quantity: 2

8 - Right Impact Guard

  • Removing and Installing. Refer to → Chapter "Impact Guard, Removing and Installing".

Underbody Trim Panels, Removing and Installing

Underbody Trim Panel, Removing and Installing, Front

Removing

- Remove the left noise insulation. Refer to → Chapter "Noise Insulation, Removing and Installing, Left"

- Remove the nuts -2- and bolts -1 and 4-.

- Remove the front underbody trim panel -3-.

A66-11502

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Underbody Trim Panels"

Underbody Trim Panel, Removing and Installing, Center

Removing

- Remove the expanding rivets -1-.

- Remove the nuts -3- and bolts -2-.

- Remove the center underbody trim panel -4-.

A66-11584

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Underbody Trim Panels"

Underbody Trim Panel, Removing and Installing, Rear

Removing

- Remove the expanding rivet -3-.

- Remove the nut -1- and bolts -4-.

- Remove the rear underbody trim panel -2-.

A66-11491

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Underbody Trim Panels"

Underbody Trim Panel, Removing and Installing, Tank

Removing

- Remove the nuts -3- for the underbody trim panel -4-.

- Remove the bolts -1, 2 and 5-.

- Remove the tank underbody trim panel -6-.

A66-11503

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Underbody Trim Panels"

Underbody Trim Panel, Removing and Installing, Side

Removing

- Remove the front underbody panel. Refer to → Chapter "Underbody Trim Panel, Removing and Installing, Front".

- Remove the tank underbody trim panel. Refer to → Chapter "Underbody Trim Panel, Removing and Installing, Tank".

- Remove the nuts -4- and bolts -1 and 2-.

- Push the wheel housing liner -3- slightly to the side and remove the side underbody trim panel -5-.

A66-11504

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Underbody Trim Panels"
  • Refer to → Chapter "Overview - Front Wheel Housing Liner"

Tunnel Brace, Removing and Installing

Front Tunnel Brace, Removing and Installing

Removing

- Remove the heat shield for the front tunnel brace. Refer to → Chapter "Heat Shield for Front Tunnel Brace, Removing and Installing".

- Remove the bolts -arrows-.

- Vehicles with TDI engine: remove the tunnel brace.

- Vehicles with gasoline engine: remove the exhaust system clamping sleeves. Refer to → Engine Mechanical; Rep. Gr.26; Exhaust Pipes/Mufflers; Overview - Muffler.

A66-11736

- Remove the tunnel brace -1- forward from between the center mufflers -2-.

A66-11175

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Underbody Bracing"

Rear Tunnel Brace, Removing and Installing

Removing

- Remove the center underbody panel. Refer to → Chapter "Underbody Trim Panel, Removing and Installing, Center".

- Remove the bolts -arrows-.

- Pivot the mounting -2- to the side and remove the tunnel brace -1-.

A66-11516

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Underbody Bracing"

Diagonal Braces, Removing and Installing

Special tools and workshop equipment required

  • Engine and Gearbox Jack -VAS6931-
  • Engine/Gearbox Jack - Gearbox Support -T10337-

Removing

- Remove the left and right underbody trim panel. Refer to → Chapter "Underbody Trim Panel, Removing and Installing, Side".

- Support the subframe using the -VAS6931- and -T10337-.

A42-10624

  CAUTION

Risk of damaging the thread by using an impact wrench.

 - When installing, position the bolts by hand and screw in the first threads.

 - Do not loosen or tighten the bolts with an impact wrench.

- Remove the bolts -1 to 5- and the diagonal brace.

- Re-install the bolts -2 and 4- all the way.

A42-10780

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Underbody Bracing"

Impact Guard, Removing and Installing

Removing

- Remove the front underbody panel. Refer to → Chapter "Underbody Trim Panel, Removing and Installing, Front".

- Right side of the vehicle: free up the front tunnel heat shield near the impact guard.

- Remove the nut -2- and bolts -3-, and push the underbody trim panel -1- slightly to the side.

A66-11708

- Remove the nuts -4 and 5- and bolts -1 and 3-.

- Remove the impact guard -2-.

A66-11707

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Underbody Trim Panels"
  • Refer to → Chapter "Overview - Underbody Bracing"

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