Carbon Brushes, Checking, VALEO Generator From 2007

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Special tools and workshop equipment required

Feeler gauge 0.3 mm

Procedure

Fig 1: Carbon Brush Checking

Courtesy of AUDI OF AMERICA, LLC

-- Remove voltage regulator. Refer to 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-.

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

Fig 2: Carbon Brush Checking, Valeo Generator, From 2001

Courtesy of AUDI OF AMERICA, LLC

Wear limit: -a- = 5 mm.

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

Fig 3: Protective Cap -2-, Installed, Use Feeler Gauge -4-, To Press Carbon Brushes -3-

Courtesy of AUDI OF AMERICA, LLC

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

-- Install the voltage regulator. Refer to VOLTAGE REGULATOR, REMOVING AND INSTALLING, VALEO GENERATOR FROM 2007 .