Audi A4: 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 -4-.

- Remove the cover -2- on the rear side of the generator.

- Remove the bolts -arrows-.

- Remove voltage regulator.

Installing

- When installing the voltage regulator, make sure the carbon brushes rest correctly on the slip rings.

Install in reverse order of removal, observing the following:

- Install the generator. Refer to → Electrical Equipment; Rep. Gr.27; Generator; Generator, Removing and Installing.

• Tightening specification. Refer to → Chapter "Overview - Bosch Generator from 2001".

Overview - Bosch Generator from 2007

  Note

The new generators are installed as a running change.

1 - Nut

• 65 Nm

2 - Ribbed Belt Pulley

3 - Generator

4 - Voltage Regulator

• Removing and installing. Refer to → Chapter "Voltage Regulator, Removing and Installing, Bosch Generator from 2007".
• Carbon brushes, checking. Refer to → Chapter "Carbon Brushes, Checking, All Bosch Generators from 2001"

5 - Bolt

• 1.5 Nm

6 - Cover

7 - Bolt

• 3 Nm

8 - Bolt

• 2.5 Nm

Voltage Regulator, Removing and Installing, Bosch Generator from 2007

Removing

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

- Remove the bolts -arrows-.

- Remove the cover -1- on the rear side of the generator.

- Remove the bolts -arrows-.

- Remove voltage regulator -1-.

Installing

- When installing the voltage regulator, make sure the carbon brushes rest correctly on the slip rings.

Install in reverse order of removal, observing the following:

- Install the generator. Refer to → Electrical Equipment; Rep. Gr.27; Generator; Generator, Removing and Installing.

• Tightening specification. Refer to → Chapter "Overview - Bosch Generator from 2001".

Carbon Brushes, Checking, All Bosch Generators from 2001

Procedure

- Remove the voltage regulator: to 2007. Refer to → Chapter "Voltage Regulator, Bosch Generator from 2001, Removing and Installing", after 2007 → Chapter "Voltage Regulator, Removing and Installing, Bosch Generator from 2007".

- Check the length -a- of the carbon brushes.

• Wear limit: -a- = 5 mm.

- Install the voltage regulator: to 2007. Refer to → Chapter "Voltage Regulator, Bosch Generator from 2001, Removing and Installing", after 2007 → Chapter "Voltage Regulator, Removing and Installing, Bosch Generator from 2007".

Overview - Generator, Valeo through MY 2000

1 - Generator

2 - Voltage Regulator

• Removing:
  • Remove the nuts -5- and the cover -4-.
  • Remove the bolt -6- and the nuts -7- and remove the voltage regulator.
• Carbon brushes wear limit: 5 mm

3 - Protective Cap

4 - Cover

5 - Nut

• 2 Nm

6 - Bolt

• 2 Nm

7 - Nut

• 3.5 Nm
• Quantity: 2

Overview - Valeo Generator from 2001

  Note

The generators were implemented as a running change.

1 - Generator

2 - Voltage Regulator

• Removing and installing: to 2007. Refer to → Chapter "Voltage Regulator, Valeo Generator from 2001, Removing and Installing", after 2007 → Chapter "Voltage Regulator, Removing and Installing, Valeo Generator from 2007"
• Check the carbon brushes: to 2007. Refer to → Chapter "Carbon Brushes, Valeo Generator from 2001, Checking", after 2007 → Chapter "Carbon Brushes, Checking, Valeo Generator from 2007"

3 - Bolt

• 2 Nm

4 - Cover

5 - Protective Cap

6 - Bolt

• 2 Nm

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