Audi Q7 Owners & Service Manuals

Audi Q7: Overview - Subframe

Subframe

  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.

Subframe

1 - Bolt

  • 20 Nm

2 - Subframe Crossbrace

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

  Caution

There is a risk of damaging the suspension components.

  • If the subframe mount, steering gear or subframe crossbrace are not installed correctly, do not rest the vehicle on its wheels.
  • Supporting the vehicle at the subframe or the subframe crossbrace (for example, using a floor jack or similar device) is not permitted.

3 - Subframe

  • Securing. Refer to → Chapter "Subframe, Securing".
  • Lowering. Refer to → Chapter "Subframe, Lowering".
  • Removing and installing. Refer to → Chapter "Subframe with Steering Gear, Removing and Installing".

  Note

Perform a pre-adjustment on the subframe if it is being replaced or if it had to be removed in order to loosen the crossbrace. Refer to → Fig. "Pre-Adjustment of the Subframe:".

4 - Bracket

  • For the electrical wiring harness

5 - Bolt

  • 9 Nm

6 - Bolt

  • 9 Nm

7 - Shield

  • There are different versions. Refer to the Parts Catalog.
  • Removing and installing. Refer to → Chapter "Subframe Shield, Removing and Installing".

8 - Bolt

  • 9 Nm

9 - Square Nut

10 - Bolt

  • 130 Nm +180º
  • Replace after removing
  • Remove and tighten together with -11- diagonally in steps

11 - Bolt

  • 115 Nm +90º
  • Replace after removing
  • Remove and tighten together with -10- diagonally in steps

12 - Bolt

  • 90 Nm +135º
  • 42 mm long
  • Replace after removing

13 - Bolt

  • 90 Nm +90º
  • Replace after removing
  • 51 mm long

Stabilizer Bar

Stabilizer Bar

1 - Nut

  • 50 Nm
  • Replace after removing
  • Remove and tighten evenly alternating from side to side.

2 - Clamp

3 - Stabilizer Bar

  • With rubber bushing
  • The rubber bushing cannot be replaced separately
  • Removing and installing. Refer to → Chapter "Stabilizer Bar, Removing and Installing".

4 - Nut

  • 40 Nm +90º
  • Replace after removing

5 - Subframe

6 - Bolt

  • Replace after removing

7 - Coupling Rod

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

8 - Shock Absorber Fork

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

9 - Nut

  • 40 Nm +90º
  • Replace after removing

10 - Bolt

  • Replace after removing

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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 with Steering Gear, Removing and Installing

    Special tools and workshop equipment required Torque Wrench 1331 5-50Nm -VAG1331- Torque Wrench 1332 40-200Nm -VAG1332- Engine and Gearbox Jack -VAS6931- Ball Joint Splitter -VAS251805- Tension

     Stabilizer Bar, Removing and Installing

    Special tools and workshop equipment required Torque Wrench 1331 5-50Nm -VAG1331- Removing   Note During installation, all cable ties must be installed at the same location. Before starting

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     Vacuum System, Checking

    Tests and Test Requirements Special tools and workshop equipment required Brake Servo Tester -VAS6721- The following checks will be helpful when performing Fault Finding in case of complaints regarding the brake booster or the so-called "hard brake pedal". The following components are included

     Transmission Control

    Component Location Overview - Transmission Control Data Link Connector Component location: the data link connector for the Vehicle Diagnostic Tester is located in the footwell on the driver side. AWD Control Module -J492- in the A4 Component location: the AWD Control Module -J492--1- is in the lu

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