Audi A4 Owners & Service Manuals

Audi A4: 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 generator off of the threaded pins -arrows-.

A27-0208

- Remove the bolts -1- and the double bolt -2-.

- Remove voltage regulator.

A27-0207

Installing

- Press the protective cap -2- off of the voltage regulator -1- in direction of -arrow-.

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

- Install the protective cap with the voltage regulator installed.

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 - Valeo Generator from 2001".

A27-0209

Carbon Brushes, Valeo Generator from 2001, Checking

Procedure

- Remove voltage regulator. Refer to → Chapter "Voltage Regulator, Valeo Generator from 2001, Removing and Installing".

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

  • Wear limit: -a- = 5 mm.

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

A27-0210

Voltage Regulator, Removing and Installing, Valeo Generator from 2007

Special tools and workshop equipment required

  • Feeler gauge 0.3 mm

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 generator off of the threaded pins -arrows-.

A27-0208

- Remove the bolts -1- and the double bolt -2-.

- Remove voltage regulator.

A27-0207

Installing

- Push a feeler gauge 0.3 mm -4- between the protective cap -2- and the carbon brushes -3-.

- Pull the protective cap off until the bar of the protective cap presses the carbon brushes down.

- After installation of the voltage regulator, press the protective cap all the way on.

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 - Valeo Generator from 2001".

A27-10112

Carbon Brushes, Checking, Valeo Generator from 2007

Special tools and workshop equipment required

  • Feeler gauge 0.3 mm

Procedure

- Remove voltage regulator. Refer to → Chapter "Voltage Regulator, Removing and Installing, Valeo Generator from 2007".

- Push a feeler gauge 0.3 mm -3- between the protective cap -2- and the carbon brushes.

- Remove the protective cap from voltage regulator -1--arrow-.

A27-10111

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

  • Wear limit: -a- = 5 mm.

A27-0210

- With protective cap -2- installed, use feeler gauge -4- to press carbon brushes -3- down.

- Push the protective cap off -arrow- until the bar of the protective cap presses the carbon brushes down.

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

A27-10160

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