>>A<< CRANKSHAFT PULLEY/CRANKSHAFT PULLEY WASHER/CRANKSHAFT PULLEY CENTER BOLT INSTALLATION
1. Wipe off the dirt on the crankshaft sprocket, crankshaft and crankshaft pulley as shown in the figure using a rag, and then degrease the areas.note | Degrease them to prevent drop in the friction coefficient of the pressed area which is caused by oil adhesion. |
2. Install the crankshaft pulley.
3. Wipe off the dirt on the crankshaft pulley washer and the crankshaft pulley center bolt as shown in the figure using a rag.
4. Apply an adequate and minimum amount of engine oil to the thread of the crankshaft pulley center bolt and the lower area of the flange.
5. Use the following special tools as during removal to support the crankshaft pulley:- Front hub and flange yoke holder (MB990767)
- Pin (MD998719)
6. Tighten the crankshaft pulley center bolt to the specified torque.Tightening torque: 110 N·m (81 ft-lb)
7. As shown in figure A, put a paint mark on one angle of the crankshaft pulley center bolt. Then, put a paint mark on the crankshaft pulley on the extended line of the angle next to the marked angle.
8. caution | - When the tightening angle is smaller than the specified tightening angle, the appropriate tightening capacity cannot be secured.
- When the tightening angle is larger than the specified tightening angle, remove the bolt to start from the beginning again according to the procedure.
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Tighten the crankshaft pulley center bolt in a 60°, and check that the paint mark on the crankshaft pulley center bolt aligns with the paint mark on the crankshaft pulley as shown in figure B.
9. Loosen the crankshaft pulley center bolt completely after steps 6 to 8, and then repeat steps 6 to 8.