AR03.30-P-1600CA Remove/Install Belt Pulley/Vibration Damper

Remove/Install Belt Pulley/Vibration Damper

Shown On Engine 112:

DANGER:
- Lethal injuries are possible if vehicle slips off of lifting platform
- Align vehicle between the columns of the hydraulic hoist and position the four support plates below the hoist support points specified by the vehicle manufacturer.

1 Remove engine compartment paneling
2.1 Remove front air filter cover or engine hood

NOTE: In Model 211.061/065/070 unclip cover at front end of engine.

2.2 Remove air cleaner housing
3 Remove fan shroud (3) together with electric fan(1)
- Except Model 209, 210 with M 112, 211 with M 112, 215, 220, 230

NOTE:
- Before removing the fan shroud (3), separate the connector of the electric fan (1)
- Model 163: Unscrew bolts at bottom of fan shroud (3).

4 Remove poly V-belt of supercharger
5 Remove poly V-belt (2)
6 Insert retaining lock
- Vehicles with manual transmission.

7 Remove the center bolt (4)

CAUTION: Transmission 722.6: Do not counterhold at ring gear (with retaining lock) in order to remove the center bolt (4). Due to the large torque, it must be counterheld at the spokes of the belt pulley/vibration damper (5).

NOTE: Installation: Oil thread of center bolt (4). Measure shank length of center bolt (4) (bolt head contact surface to end of shank). Use of center bolt (4) up to shank length max. 78 mm.

8 Take off belt pulley/vibration damper (5)

NOTE:
- Inspect running surface of hub for wear, if runout or concentric running problems exist, inspect belt pulley/vibration damper for axial and radial runout
- Installation: The installation position is given by the spring wedge.

9 Install in the reverse order

DANGER:
- Risk of accident from vehicle starting off by itself when engine running. Risk of injury as working around the engine during startup or while running may result in contusions and burns
- Secure vehicle to prevent it from moving.
- Wear closed and tight-fitting work clothes.
- Do not grasp hot or rotating parts.

10 Check oil viscosity after performing engine test run.

NOTE: Determine oil leaktightness after spraying the cleaned and dried surrounding area with MB contrast spray.