Withdrawal
Removal is possible without removing the generator.
Disconnect the battery ground cable.
Bosch voltage regulator
Unscrew the voltage regulator, see the arrow in the figure, on the back of the generator (2 bolts) and carefully pull out.
Replace the carbon brushes if they are 5 cm or less long. To do this, unsolder the lead wires.
Check slip rings for wear, grind and polish if necessary.
Clean the contact surfaces and check the tension of the contact springs, replace if necessary.
Installation
Insert the brushes -A- and the springs -B- into the brush holder -C- and solder the cables.
Since the solder must not penetrate into the cores of the brush cable during soldering, hold the brush cables with pliers.
Attention: Ingress of solder makes the brush leads rigid, after which the brushes cannot be used.
The cable insulation near the soldering point must be clamped into the existing lug.
After installing new brushes, check their ease of movement in the brush holder.
Fasten the voltage regulator first with one bolt by hand, then carefully press into the installation position and tighten the bolts.
Connect ground to battery.
As of 7.89, a light range adjustment is standard. A potentiometer on the dashboard controls the motors that change the tilt of the headlights. This adjustment is only possible when the dipped beam headlights are on.
To be equipped with this system, the headlights on the AUDI 80 must be replaced at the same time. Old headlights can be used on AUDI 90 and AUDI Coupe.
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