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:

     Floor Heat Shield, Removing and Installing

    Plenum Chamber Bulkhead Heat Shield, Removing and Installing Removing - Remove the plenum chamber bulkhead. Refer to → Chapter "Plenum Chamber Bulkhead, Removing and Installing". - Remove the lock washers -arrows-. - Remove the heat shield -1- from the plenum chamber bulkhead

     Central locking

    General information WARNING If you leave the vehicle, switch the ignition off and take the key with you. This applies particularly when children remain in the vehicle. Otherwise, children could start the vehicle or operate electrical equipment (such as power windows), which increases the risk

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