Harmonic Balancer - Crankshaft Pulley: Service and Repair

REMOVAL

Harmonic Balancer And Belt Pulley:

Note: Belt pulley, vibration damper and hub can be renewed without balancing.

1. Raise hood to vertical position.
2. Detach ground cable at battery.
3. Remove engine compartment covering below.
4. Slacken bolts of the belt pulley-fan coupling.
5. Remove V-belt.

Radiator Guard Plate:

6. Fit guard plate (arrow) in front of radiator.

Belt Pulley:

7. Unscrew bolts (207) and take off belt pulley- fan coupling (210), tightening torque 10 Nm (7.5 ft lbs).

Plastic Cap:

8. Take off plastic cap (605) on rear of oil sump. Unscrew bolts (606).

Retaining Lock:

9. Attach retaining lock 601 589 02 40 00 with both bolts (606).

Note: Pins of the retaining lock must engage into the ring gear teeth.

Harmonic Balancer:

10. Unscrew bolts (602). Take off belt pulley (291) and vibration damper (292).

Installation Note: The vibration damper (292) is located with a fit pin (293). Install bolts (602) with washers, tightening torque 23 Nm.

Bolt & Belleville Spring Washers:

Installation Note: Oil bolt threads and Belleville spring washers. Fit Belleville spring washers with the curved face pointing toward the bolt head. Tighten bolt to 300 Nm (221 ft lbs).

Hub Puller:

11. Pull off hub (294) with puller 103 589 00 33 00, see Tools and Equipment.

INSTALLATION
- Heat hub (294) to approx. 50° C (122° F) so that it can be easily fitted onto the crankshaft. When fitting on, perform turning movements to determine whether the slot of the hub (294) is aligned with the Woodruff key in the crankshaft.

- Install all components in the reverse order of disassembly paying special attention to Installation Notes and torque values.