Audi A4 Owners & Service Manuals

Audi A4: Generator

Audi A4 (B9) 2016-2026 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:

     Technical data

    Identification data Vehicle data label Fig. 188 Vehicle identification label The vehicle identification label > fig. 188 is located in the luggage compartment under the cargo floor cover. The vehicle identification label information can also be found in the Warranty & Maintenance booklet. T

     Steering Column, Checking for Damage

    Visual Check Components of the steering column must not show any indications of damage. Function Test The steering column must turn without catching or difficulty of movement. The steering column must adjust easily from side to side and vertically (this test is only possible when installed)

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