Removing all pistons with connecting rod
Preliminary work
- Refer to INSTALL THE ENGINE ON THE ASSEMBLY STAND
- Refer to REMOVE THE ACOUSTIC COVER FROM THE OIL SUMP (ENGINE REMOVED) .
- Refer to REMOVING THE OIL FILLER CAP .
- Refer to RELEASING THE OIL DRAIN PLUG .
- Refer to TIGHTENING THE OIL DRAIN PLUG
- Refer to REMOVING AUXILIARY COOLANT PUMP FOR THE EXHAUST TURBOCHARGER .
- Refer to REMOVE THE COOLANT RETURN LINE FOR THE EXHAUST TURBOCHARGER (AUXILIARY COOLANT PUMP REMOVED) .
- Refer to REMOVE THE COOLANT FEED LINE FOR THE EXHAUST TURBOCHARGER (COOLANT RETURN LINE REMOVED) .
- Refer to REMOVE FRONT ENGINE ENCAPSULATION .
- Refer to REMOVE THE OIL FEED LINE FOR THE EXHAUST TURBOCHARGER (ENGINE ENCAPSULATION REMOVED) .
- Refer to REMOVE TANK VENT VALVE .
- Refer to REMOVE INTAKE PLENUM .
- Refer to REMOVE IGNITION COILS .
- Refer to REMOVE THE HIGH PRESSURE LINE BETWEEN THE HIGH PRESSURE PUMP AND THE RAIL .
- Refer to REMOVING INJECTORS .
- Refer to REMOVE HIGH PRESSURE PUMP .
- Refer to REMOVE BOTH ACTUATORS (ENGINE REMOVED)
- Refer to REMOVING THE CYLINDER HEAD COVER (ENGINE REMOVED)
- Refer to REMOVE THE STARTER MOTOR (ACOUSTIC COVER REMOVED)
- Refer to TURNING THE ENGINE ON THE VIBRATION DAMPER
- Refer to REMOVING THE THERMOSTAT FROM THE TRANSMISSION OIL LINES .
- Refer to BLOCK THE CRANKSHAFT IN HE TDC FIRING POSITION OF CYLINDER 1 .
- Refer to BLOCKING THE CAMSHAFTS
- Refer to REMOVE THE CHAIN TENSIONER (ENGINE REMOVED) .
- Refer to RELEASING THE VANOS CENTRAL VALVE OF THE INTAKE SIDE , or RELEASING THE VANOS CENTRAL VALVE OF THE EXHAUST SIDE .
- Refer to REMOVE EXHAUST CAMSHAFT ADJUSTER .
- Refer to REMOVING INTAKE ADJUSTER .
- Refer to DISASSEMBLING ALL SPECIAL TOOLS
- Refer to REMOVE THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
- Refer to REMOVE CYLINDER HEAD .
- Refer to REMOVE OIL SUMP .
- Refer to REMOVE THE OIL VACUUM PUMP .
- Refer to REMOVING THE OIL DEFLECTOR
NOTE:
The description is for one component only. The procedure is identical for all further components.
Removing the piston with connecting rod
NOTE:
TECHNICAL INFORMATION
Piston, gudgeon pin, connecting rod and connecting rod bearing shells are matched to each other and balanced.
Always install the piston, gudgeon pin, connecting rod and connecting rod bearing shells in the cylinder from which they were removed.
Piston, gudgeon pin, connecting rod and connecting rod bearing shells are matched to each other and balanced.
Always install the piston, gudgeon pin, connecting rod and connecting rod bearing shells in the cylinder from which they were removed.
NOTE:
TECHNICAL INFORMATION
The connecting rods of the engine are balanced and are matched to each other.
A single connecting rod is not permitted to be replaced. Always replace all connecting rods.
The connecting rods of the engine are balanced and are matched to each other.
A single connecting rod is not permitted to be replaced. Always replace all connecting rods.
Detach the lower connecting rod bearing
NOTE:
RISK OF DAMAGE
Damage on the cylinder wall and oil spray nozzles.
Major force can scratch the cylinder wall and bend the oil spray nozzles.
Damage on the cylinder wall and oil spray nozzles.
Major force can scratch the cylinder wall and bend the oil spray nozzles.
- Carefully move the piston and connecting rod in the engine block.
- Turn the crankshaft until the connecting rod bearing journal (1) reaches a vertical position.NOTE: RISK OF DAMAGE
Engine damage caused by incorrectly installed bearing shells and bearing supports.
Engine damage may result from incorrectly installing bearing shells and bearing supports.- Always install all bearing shells and bearing supports in the same position from which they were removed.
- Unscrew the connecting rod bolts (1).
- Remove the connecting rod bearing cap (2) and put to one side in the correct order.
Make sure that the connecting rod bearing cap (2) can be re-installed in the correct position.
NOTE: RISK OF DAMAGE
Engine damage caused by incorrectly installed bearing shells and bearing supports.
Engine damage may result from incorrectly installing bearing shells and bearing supports.- Always Install all bearing shells and bearing supports in the same position from which they were removed.
- Remove the connecting rod bearing (1).
Make sure that the connecting rod bearing (1) can be re-installed in the correct position.
- Screw special tool 0496 144 (11 8 860)
in at large connecting rod eye.
- Press piston (1) with connecting rod up and out of crankcase.




