Audi Q7 Owners & Service Manuals

Audi Q7: Generator

Overview - Generator

Overview - Generator without Bushing, Vehicles with 6-Cylinder Engine

Overview - Generator without Bushing, Vehicles with 6-Cylinder Engine

1 - Bolt

  • 20 Nm
  • Quantity: 2

2 - Generator

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

3 - Threaded Pin

  • 10 Nm
  • Quantity: 2

4 - Nut

  • 20 Nm
  • Quantity: 2

5 - Terminal 30/B+

6 - Nut

  • 16 Nm

7 - Cap

8 - Connector

Overview - Generator with Bushings

Overview - Generator with Bushings

1 - Bolts

  • 23 Nm

2 - Generator

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

3 - Bushing

  • Tight generator mount bushings must be loosened, otherwise the clamping force of the sleeve is too little despite the correct torque.

4 - Connector

5 - Nut

  • 16 Nm

6 - Cap

7 - Terminal 30/B+

Overview - Generator, Starter Generator -C29-, Vehicles with High-Voltage System and 6-Cylinder TDI Engine

Overview - Generator, Starter Generator -C29-, Vehicles with High-Voltage System and 6-Cylinder TDI Engine

1 - Bolt

  • 30 Nm

2 - Idler Roller

3 - Bolt

  • 30 Nm
  • Left-hand thread

4 - Idler Roller

5 - Bolt

  • 15 Nm
  • Quantity: 4

6 - Bolt

  • 20 Nm
  • Quantity: 4

7 - Nut

  • 18 Nm

8 - Connector

9 - 30/B+ Terminal

10 - Starter Generator -C29-

  • Removing and installing. Refer to → Chapter "Generator, Removing and Installing, Starter Generator -C29-, Vehicles with High-Voltage System and 6-Cylinder TDI Engine".

11 - Tensioner

  • For Starter Generator -C29-
  • Removing and installing. Refer to → Chapter "Tensioner for Starter Generator -C29-, Removing and Installing".

Generator, Removing and Installing

Generator, Removing and Installing, Vehicles with 3.0L TFSI Engine

Special tools and workshop equipment required

  • 12 edged 5 mm socket, commercially available

Removing

  • During installation, all cable ties must be installed at the same location.

- Turn off the ignition and disconnect the ground cable from the battery. Refer to → Chapter "Battery, Disconnecting and Connecting".

- Remove the ribbed belt for the A/C compressor. Refer to → 6-Cylinder Direct Injection 3.0L 4V TFSI Supercharged Engine; Rep. Gr.13; Cylinder Block, Belt Pulley Side; Ribbed Belt, Removing and Installing.

- Release the tension on the ribbed belt and remove it from the generator pulley. Refer to → 6-Cylinder Direct Injection 3.0L 4V TFSI Supercharged Engine; Rep. Gr.13; Cylinder Block, Belt Pulley Side; Ribbed Belt, Removing and Installing.

- Free up the wiring harness -3- on the generator -6-.

- Loosen the nuts -5- and threaded pin -4- with a 12 edge 5 mm socket.

- Remove the bolts -8- and the bracket for the generator -7-.

- Remove the nut -2- and free up the B+ wire.

- Disconnect the connector -1-.

- Remove the generator downward.

A27-10553

Installing

Install in the reverse order of removal while noting the following:

- Make sure the ribbed belt is on securely and is routed correctly.

- Connect the battery. Required actions.

- Start the engine and check the ribbed belt routing.

Tightening Specifications

  • Refer to → Chapter "Overview - Generator without Bushing, Vehicles with 6-Cylinder Engine"

Generator, Removing and Installing, Vehicles with 3.0L TDI Engine

Removing

- Turn off the ignition and disconnect the ground cable from the battery. Refer to → Chapter "Battery, Disconnecting and Connecting".

- Remove the right lower longitudinal member. Refer to → Body Exterior; Rep. Gr.50; Lock Carrier; Overview - Lock Carrier.

- Release the tension on the ribbed belt and remove it from the generator pulley. Refer to → 6-Cylinder Direct Injection 3.0L 4V TFSI Supercharged Engine; Rep. Gr.13; Cylinder Block, Belt Pulley Side; Ribbed Belt, Removing and Installing.

- Unclip the cover -1-.

- Remove the bolt -2- and the right idler roller.

A13-10824

- Remove the air duct pipe bolt -2-.

- Loosen the bolts -arrows- for the generator -1- about six turns.

- To loosen the bushings of the generator mount use a hammer and carefully tap on the bolt heads.

- Remove the bolts completely.

A27-10573

- Remove the generator -4- from the bracket.

- Remove the nut -1- and the B+ wire -3-.

- Disconnect the connector -2-.

A27-10523

- Remove the generator -1- in direction of -arrow-, as shown.

A27-10574

Installing

Install in the reverse order of removal while noting the following:

- Drive the bolt bushings back slightly to make it easier to install the generator.

  • Tight generator mount bushings must be loosened, otherwise the clamping force of the sleeve is too little despite the correct torque.

- Connect the battery. Required actions.

- Start the engine and check the ribbed belt routing.

Tightening Specifications

  • Refer to → Chapter "Overview - Generator with Bushings"
  • Refer to → Body Exterior; Rep. Gr.50; Lock Carrier; Overview - Lock Carrier.

Generator, Removing and Installing, Starter Generator -C29-, Vehicles with High-Voltage System and 6-Cylinder TDI Engine

Removing

- Disconnect the ground cable from the battery when the ignition is switched off. Refer to → Chapter "Battery, Disconnecting and Connecting".

- Remove the right lower longitudinal member. Refer to → Body Exterior; Rep. Gr.50; Lock Carrier; Overview - Lock Carrier.

- Remove the fan shroud. Refer to → Engine Mechanical; Rep. Gr.19; Radiator/Radiator Fan; Fan Shroud, Removing and Installing.

- Loosen the hose clamp -4- and remove the air duct hose.

- Remove the bolts -1 and 3- and push the air duct pipe -2- slightly upward.

- Release the tension on the ribbed belt and remove it from the starter generator-belt pulley. Refer to → Engine Mechanical; Rep. Gr.13; Belt Pulley Side Cylinder Block; Ribbed Belt, Removing and Installing.

A21-10997

- Remove the bolts -arrows- and pull the starter generator -1- slightly forward.

A27-10584

- Remove the nut -3- and free up the B+ wire -1-.

- Disconnect the connector -2-.

- Remove the starter generator downward.

A27-10585

Installing

Install in reverse order of removal and note the following:

- Make sure the ribbed belt is on securely and is routed correctly.

- Connect the battery. Required actions.

- Start the engine and check the ribbed belt routing.

Tightening Specifications

  • Refer to → Chapter "Overview - Generator, Starter Generator -C29-, Vehicles with High-Voltage System and 6-Cylinder TDI Engine"
  • Refer to → Body Exterior; Rep. Gr.50; Lock Carrier; Overview - Lock Carrier.

Tensioner for Starter Generator -C29-, Removing and Installing

Removing

- Release the tension on the ribbed belt and remove it from the starter generator-belt pulley. Refer to → Engine Mechanical; Rep. Gr.13; Belt Pulley Side Cylinder Block; Ribbed Belt, Removing and Installing.

- Remove the bolts -arrows-.

- Remove the tensioner -1-.

A27-10586

Installing

Install in reverse order of removal and note the following:

- Make sure the ribbed belt is on securely and is routed correctly.

- Start the engine and check the ribbed belt routing.

Tightening Specifications

  • Refer to → Chapter "Overview - Generator, Starter Generator -C29-, Vehicles with High-Voltage System and 6-Cylinder TDI Engine"

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