Generator (GEN) carbon brushes, checking

NOTE: Carbon brushes are integrated with the Voltage Regulator (VR) and cannot be replaced or serviced separately. Where carbon brushes malfunction or are worn beyond the wear limit, replace complete Voltage Regulator (VR).

Fig 1: Length Of New Carbon Brushes

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Length of new carbon brushes -a- = 12mm

Wear limit = 5mm

Carbon brush tolerance to one another = +1mm