Models Produced From 8/1994

Removing/Installing Belt Pulley of Vibration Damper and Hub





Preparation
- Viscous fan coupling removed, refer to Cooling System.
- Drive belt tensioning device removed. Service and Repair

Procedure
- Disconnect ground cable at battery, connect.
- Remove generator (1), install.
- Attach shop made guard plate at radiator, take off.
- Remove viscous fan coupling bearing bracket (2), install, refer to Cooling System.
- Unbolt bracket of A/C compressor carrier (3), bolt on.
- Turn piston of cylinder No. 1 to TDC so that Woodruff key (15) in crankshaft is facing vertically up.
- Install retaining lock for crankshaft/ring gear, remove. [1][2]Procedures
- Unscrew central bolt (19) with tapered washer (20), screw on.
Tighten to: 200 Nm + 90°.
NOTE: Conical washer (20) replaces dished washers; the different parts of the 2 versions must not be interchanged.

- Pull off vibration damper (18), remove upward, fit on.

NOTE: Align Woodruff key (15), fit on vibration damper (18) and turn in order to determine whether the slot is aligned with the Woodruff key (15) in the crankshaft.


Tightening torques In Nm
M18 x 1.5 x " bolt of vibration damper Initial torque Nm 200
(with conical washer) Tightening angle A 900