2. Remove the fan with the casing and drive belts.
3. Mark the position of the pulleys relative to the damper, unscrew the bolts and remove the pulleys.
4. Loosen the damper bolt (photo), for which remove the starter and secure the flywheel.
9.4 Pulley bolt - damper
5. Using the partially removed pulley bolt as a support, remove the pulley with a puller (photo).
9.5 Using the partially removed pulley bolt as a support, remove the pulley with a puller
6. Installation is performed in the reverse order. When installing, align the key with the pulley groove and tighten the bolt to the specified torque.
(The text was copied from the portal NISSANBOOK.RU)