NOTE:
If only a single part is replaced, perform the work without removing the engine from vehicle.
1. Remove the V-belts. 
2. Remove the crank pulley.
3. Remove the timing belt cover.
4. Remove the timing belt.
5. Remove the crank sprocket.
MECHANICAL(H4DO) > Crank Sprocket
NOTE:
If only a single part is replaced, perform the work without removing the engine from vehicle.
1. Remove the V-belts.
2. Remove the crank pulley.
3. Remove the timing belt cover.
4. Remove the timing belt.
5. Remove the crank sprocket.