Audi A4 Owners & Service Manuals

Audi A4: Generator

Audi A4 (B9) 2016-2025 Service Manual / Electrical System / Electrical Equipment General Information / Battery, Starter, Generator, Cruise Control / Generator

Generator, Checking

Perform Generator Test

Vehicle Diagnostic Tester is attached.

- Select the Diagnostic mode and start the diagnostics.

- Select the tab Test Plan.

- Select Select Individual Tests and choose the following sequence.

  • Body
  • Electrical Equipment
  • 27 - Starter, voltage supply
  • Electrical Components
  • C - Generator, Checking

The Vehicle Diagnostic Tester continues with the generator test from here on.

Overview - Generator, Bosch through MY 2000

Overview - Generator, Bosch through MY 2000

1 - Bolts

  • 1 Nm

2 - Cover

  • With three tabs

3 - Bolts

  • 2 Nm

4 - Voltage Regulator

  • Removing:
    • Remove the bolts -1- and remove the protective cap -2-.
    • Remove the bolts -3- and remove the voltage regulator.
  • Carbon brushes wear limit: 5 mm

5 - Generator

Overview - Bosch Generator from 2001

  Note

The generators were implemented as a running change.

Overview - Bosch Generator from 2001

1 - Generator

2 - Voltage Regulator

  • Removing and installing. Refer to → Chapter "Voltage Regulator, Bosch Generator from 2001, Removing and Installing".
  • Carbon brushes, checking. Refer to → Chapter "Carbon Brushes, Checking, All Bosch Generators from 2001"

3 - Bolt

  • 2.5 Nm

4 - Cover

5 - Nut

  • 12 Nm

6 - Nut

  • 30 Nm

7 - Bolt

  • 3 Nm

8 - Bolt

  • 1.5 Nm

    READ NEXT:

     Voltage Regulator, Bosch Generator from 2001, Removing and Installing

    Removing - Remove the generator. Refer to → Electrical Equipment; Rep. Gr.27; Generator; Generator, Removing and Installing. - Remove the bolt -1- and the nuts -3- and -

     Voltage Regulator, Valeo Generator from 2001, Removing and Installing

    Removing - Remove the generator. Refer to → Electrical Equipment; Rep. Gr.27; Generator; Generator, Removing and Installing. - Press the cover on the rear side of the gene

     Ribbed Belt Pulley without Freewheel, Removing and Installing

    Special tools and workshop equipment required Generator Belt Socket -3310- Inner hex socket 8 mm or TORX T50 Removing - Remove the generator if necessary. Refer to → Electrical Equipm

    SEE MORE:

     Front Bumper Cover, Removing and Installing

    To complete the procedure, a second technician is required to be at the following position. Special tools and workshop equipment required Pliers -T40172C- Adapter -T40172/1- Removing - Push in the front wheels and loosen the wheel housing liner near the front bumper cover. Refer to →&

     Outer CV Joint, Checking

    It is necessary to disassemble the joint whenever replacing the grease or if the ball surfaces show wear or damage. Disassembling - Mark the position of the ball hub -2- to ball cage -3- and to housing -1- before disassembling, using an electric engraver or grindstone. - Tilt the ball h

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