Remove counterbalance shafts

Preliminary works 

• Refer to REMOVING ENGINE .
• Refer to INSTALLING THE ENGINE ON THE ASSEMBLY STAND .
• Refer to RELEASING THE OIL DRAIN PLUG .
• Refer to TIGHTENING THE OIL DRAIN PLUG .
• Refer to REMOVING ALL SPARK PLUGS .
• Refer to REMOVING THE HIGH PRESSURE LINE BETWEEN THE HIGH PRESSURE PUMP AND THE RAIL .
• Refer to REMOVING HIGH PRESSURE PUMP .
• Refer to REMOVING THE RAIL WITH INJECTORS .
• Refer to REMOVING BOTH ACTUATORS .
• Refer to REMOVING THE CYLINDER HEAD COVER .
• Refer to REMOVING TANK VENT VALVE .
• Refer to REMOVING THE INTAKE PLENUM .
• Refer to REMOVING THE HEAT SHIELD AT THE CYLINDER HEAD .
• Refer to REMOVING THE OIL RETURNING LINE FOR THE EXHAUST TURBOCHARGER .
• Refer to REMOVING THE COOLANT RETURN LINE FOR THE EXHAUST TURBOCHARGER .
• Refer to REMOVING THE COOLANT FEED LINE FOR THE EXHAUST GAS TURBOCHARGER .
• Refer to BLOCKING ENGINE IN THE TDC FIRING POSITION .
• Refer to REMOVING CHAIN TENSIONER .
• Refer to RELEASING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
• Refer to RELEASING VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
• Refer to REMOVING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
• Refer to REMOVING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
• Refer to REMOVING INTAKE ADJUSTER .
• Refer to REMOVING EXHAUST CAMSHAFT ADJUSTER .
• Refer to REMOVING THE TEST GAUGES TO FIX THE CAMSHAFTS .
• Refer to REMOVING THE CYLINDER HEAD .
• Refer to REMOVING THE CYLINDER HEAD GASKET .
• Refer to REMOVING THE VIBRATION DAMPER .
• Refer to REMOVING FLYWHEEL .
• Refer to REMOVING THE ACOUSTIC COVER OF THE OIL SUMP .
• Refer to REMOVING FRONT AXLE DIFFERENTIAL .
• Refer to REMOVING BEARING SUPPORT .
• Refer to REMOVING OIL PAN .
• Refer to REMOVING REAR TIMING CASE COVER .
• Refer to REMOVING THE OIL VACUUM PUMP .
• Refer to REMOVING THE OIL DEFLECTOR .

• Remove both sealing caps (1) with a suitable tool (2).

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• Rotate the crankshaft to the lower dead center of the first cylinder  .
• Mount the special tool 2 288 054  and abut the bolts (1).

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• Make sure the special tool 2 288 054  is correctly fitted in the guides (1) of the counterbalance shafts (2).
• If necessary, turn the crankshaft slightly.
• Tighten special tool 2 288 054  .

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• Loosen screws (1).

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• Loosen screws (1).
• Guide the special tool 2 288 054  out and remove.

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• Screw the special tool 2 458 114  into the gear of the counterbalance shaft and hold it up with an open end spanner (1).

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• Release the counterbalance shaft by screwing in the screw (2) of the special tool 2 458 114  from the gear.
• Carefully remove the counterbalance shafts (1) from the crankcase towards the front.

  Do not drop the counterbalance shafts (1) into the bearing positions because this may damage the crankcase.

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• Check all needle bearings of the counterbalance shafts (1) for damage and replace as necessary.

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• Remove the gear (1).

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• Remove the gear (1).

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• Loosen nut (1).

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• Remove the gear (1).

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