Depending on the generator model and manufacturer, the voltage regulator can be made as a single element with a brush assembly, or separately. This section describes two different options.
Replacing the voltage regulator
On Bosch generators, the voltage regulator is usually assembled with a brush assembly and is fairly easy to replace. The work is performed in the following order.
1. Prepare the car for work (see "Preparing the car for maintenance and repair").
2. Remove the generator (see "Generator - replacement").
3. Using a 13 mm socket wrench, unscrew the two nuts 1 and screw 2 using a Phillips screwdriver.
4. Remove the protective cover.
5. Using a Phillips screwdriver, unscrew the three mounting screws and...
...we remove the voltage regulator assembly with the brush unit.
6. Install the parts in reverse order.
Replacing the brush assembly
On Delphi generators, it is usually easy to replace only the brush assembly, which is made separately from the voltage regulator. To replace the voltage regulator itself, it is advisable to contact a specialized workshop. The work is performed in the following order.
1. Prepare the car for work (see "Preparing the car for maintenance and repair").
2. Remove the generator (see "Generator - replacement").
3. Using the TORX E5 key, unscrew the three screws...
...and remove the protective cover.
4. Using the TORX E5 key, unscrew two screws 1, disconnect connector 2 and remove the brush assembly.
5. Install the parts in reverse order.
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