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:

     Connections for Quick-Release Coupling on Refrigerant Circuit

    General Information Only valves and connections that are resistant to refrigerant R134a and refrigerant oil must be installed. Different connections (outer diameter) for high pressure and low pressure side. Discharge the refrigerant circuit before removing valves or valve inserts. Always scr

     General Information

    Vehicles with a High Voltage System (Hybrid Vehicles) Extremely Dangerous Due to High-Voltage The high-voltage system is under high-voltage. Death or serious bodily injury by electric shock. - Individuals with electronic/medical life- and health sustaining machines in or on their person canno

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