Removing
1. Remove the timing belt (see "Timing belt - removal, installation, replacement").
2. Remove the toothed pulley from the crankshaft.
3. In order not to lose the key, we take it out of the seat in the crankshaft.
Installation
1. Insert the key into the groove of the crankshaft.
2. Carefully install the toothed pulley on the crankshaft, while the key enters the pulley slot.
3. We install the timing belt on the car in the reverse order of removal and adjust its tension (see "Timing belt - checking the condition and adjusting the belt tension").