Volkswagen Golf/Jetta/Cabriole 1990-1999

Voltage Regulator

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REMOVAL & INSTALLATION





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Fig. To remove the voltage regulator, simply remove the two mounting screws . . .



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Fig. . . . and carefully remove it from the alternator



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Fig. Check the alternators carbon brushes for wear

The voltage regulator is attached to the rear of the alternator and includes the brushes. Since no adjustment can be performed on the regulator, it is serviced only by replacement.

  1. If equipped, remove the cover on the back of the alternator.
  2.  
  3. It is not necessary to disconnect any wiring. Remove the mounting screws and remove the regulator.
  4.  
  5. Measure the free length of the brushes. If they are less than about 5mm ( 7 / 32 inches), the regulator must be replaced. New brushes are 13mm ( 1 / 2 inch) long.
  6.  
  7. Install the new regulator and tighten the screws.
  8.  
  9. If equipped, install the cover on the back of the alternator.
  10.  

 
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