Audi Q7 Owners & Service Manuals

Audi Q7: Supercharger

Overview - Supercharger

Overview - Supercharger

1 - Supercharger

  • With charge air coolers
  • Supercharger, Removing and installing. Refer to → Chapter "Supercharger, Removing and Installing".
  • Overview - Charge Air Cooler. Refer to → Chapter "Overview - Charge Air System".
  • Secured on the Engine and Gearbox Bracket -VAS6095A- for repair work. Refer to → Chapter "Supercharger, Securing to Engine/Transmission Holder for Repair Work".
  • Secured on the Engine and Gearbox Bracket -VAS6095A- for leak test. Refer to → Chapter "Supercharger, Securing to Engine/Transmission Holder for Leak Test".

2 - Ball Pin

  • 5 Nm
  • For the engine cover

3 - Insulation Plate

4 - Bolt

  • 5 Nm

5 - O-Rings

  • Replace after removing

6 - Bolt

  • Tightening specification. Refer to → Fig. " Throttle Valve Control Module -J338- - Tightening Specification".

7 - Throttle Valve Control Module -J338-

  • Removing and installing. Refer to → Chapter "Throttle Valve Control Module -J338-, Removing and Installing".

8 - Intermediate Flange

9 - O-Rings

  • Replace after removing

10 - Bolt

  • Tightening specification and sequence. Refer to → Fig. " Regulating Flap Control Unit -J808- - Tightening Specification and Sequence".

11 - Intermediate Flange

12 - Regulating Flap Control Unit -J808-

  • Removing and installing. Refer to → Chapter "Regulating Flap Control Unit -J808-, Removing and Installing".

13 - Bolt

  • 9 Nm

14 - Bracket

  • For change-over valves

15 - Connection

16 - Bolt

  • Tightening specification and sequence. Refer to → Fig. " Regulating Flap Control Unit -J808- - Tightening Specification and Sequence".

17 - O-Ring

  • Replace after removing

18 - Bolt

  • 10 Nm

19 - Intake Air Temperature Sensor -G42-/ Manifold Absolute Pressure Sensor -G71-

  • Removing and installing. Refer to → Chapter "Intake Air Temperature Sensor -G42-/Manifold Absolute Pressure Sensor -G71-, Removing and Installing".

20 - O-Ring

  • Replace after removing

21 - Bleed Screw

  • 1.5 to 3.0 Nm
  • For the charge air cooler

22 - Gasket

  • Replace after removing

23 - Nut

  • 20 Nm

24 - Charge Air Pressure Sensor/Charge Air Pressure Sensor

  • Cylinder bank 1 (right) Charge Air Pressure Sensor -G31-/Intake Manifold Temperature Sensor -G72-
  • Cylinder bank 2 (left) Charge Air Pressure Sensor 2 -G447-/Intake Manifold Temperature Sensor 2 -G430-
  • Removing and installing. Refer to → Chapter "Charge Air Pressure Sensor/Intake Manifold Temperature Sensor, Removing and Installing".

25 - Bolt

  • 10 Nm

26 - O-Ring

  • Replace after removing

27 - Stud Bolt

  • 17 Nm

28 - Connection

  • For the crankcase ventilation
  • Installation position. Refer to → Fig. "Crankcase Ventilation Connection, Installing".

29 - Seals

  • Replace after removing

30 - O-Rings

  • Replace after removing
  • Quantity 2 each

31 - Engine Lifting Eye

32 - Bolt

  • 27 Nm

33 - O-Ring

  • Replace after removing

34 - Turbocharger Speed Sensor 1 -G688-

  • Removing and installing. Refer to → Chapter "Turbocharger Speed Sensor 1 -G688-, Removing and Installing".
  • The opening cannot be used as an oil level display

35 - Bolt

  • 10 Nm

Overview - Solenoid Coupling

Overview - Solenoid Coupling

1 - Belt Pulley

  • For the supercharger
  • Removing and installing. Refer to → Chapter "Supercharger Belt Pulley, Removing and Installing".

2 - Bolt

  • 20 Nm +90º
  • Replace after removing

3 - Solenoid Coupling

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

4 - Bolt

  • 20 Nm

5 - Driver

  • Tightening specification for the clamping screw. Refer to → Fig. "Tightening Specification for the Clamping Screw"
  • Replace only together with -3-
  • Do not loosen the threaded connections on the drive plate
  • Replace the drive plate if the threaded connections are loosened
  • Removing and installing. Refer to → Chapter "Solenoid Coupling, Removing and Installing".
  • Clean the friction lining and friction surface before installing with brake cleaner

6 - Bolt

  • 3.6 Nm

7 - Woodruff Key

8 - Supercharger

9 - O-Ring

  • Replace after removing

10 - Trim

Tightening Specification for the Clamping Screw

- Tighten the clamping screw -arrow- to 20 Nm.

A21-10964

Overview - Rotor Unit

Overview - Rotor Unit

1 - Bolt

  • 27 Nm
  • Remove the old seal or locking fluid from the threads (for example with a thread tap)
  • Before installing coat a few threads of the cleaned bolts with locking fluid. Refer to the Parts Catalog.

2 - Drive Head

  • Replace the seal -3-, after every removal
  • Removing and installing. Refer to → Chapter "Operating Head, Removing and Installing".

3 - Seal

  • For the input shaft
  • Replacing. Refer to → Chapter "Input Shaft Seal, Replacing".

4 - Alignment Sleeve

5 - Rotor Unit

  • Removing and installing. Refer to → Chapter "Rotor Unit, Removing and Installing".
  • After every removal and installation. Refer to → Chapter "Supercharger, Checking for Leaks".
  • Remove the old seal or locking fluid from the threaded holes (for example with a thread tap)

6 - Needle Bearing

  • For the rotor unit
  • Replace together with the rotor unit. Refer to → Chapter "Rotor Unit, Removing and Installing".

7 - Supercharger Housing

8 - Needle Bearing

  • For the rotor unit
  • Replace together with the rotor unit. Refer to → Chapter "Rotor Unit, Removing and Installing".

9 - Alignment Sleeve

    READ NEXT:

     Supercharger, Removing and Installing

    Special tools and workshop equipment required Hose Clamps - Up To 25 mm -3094- Engine Bung Set -VAS6122- Container of the Coolant Collection System -VAS5014- or the Shop Crane - Drip Tray -VAS62

     Solenoid Coupling, Removing and Installing

    Special tools and workshop equipment required Clutch Module Puller -T40301- Clutch Module Centering Device -T40302- Test Adapter For Compressor Module -VAS6909A-   Caution This procedure

     Supercharger Belt Pulley, Removing and Installing

    Special tools and workshop equipment required Counterhold - Multiple Use -T10172A- with Counterhold - Kit - Adapter 5 -T10172/5-   Caution This procedure contains mandatory replaceable par

    SEE MORE:

     Gear Oil, Draining and Filling

    Gear Oil, Draining and Filling, Front Final Drive Special tools and workshop equipment required Used Oil Collection and Extraction Unit -SMN372500- Pressurized Gearbox Oil Filler Kit -VAS6617- Protective Eyewear Draining The engine is off. Move the vehicle onto a 4-column shop hoist or over

     Injection System

    Component Location Overview - Injection System Locations Engine Compartment 1 - Crankcase Ventilation Shut-Off Valve -N548- 2 - EVAP Canister Purge Regulator Valve 1 -N80- 3 - Coolant Recirculation Pump -V50- Component location. Refer to → Fig. " Coolant Recir

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