Removing all pistons with connecting rod
Preliminary work
- Refer to REMOVING THE RIGHT ENGINE MOUNT HOLDER .
- Refer to INSTALLING THE ENGINE ON THE ASSEMBLY JIG .
- Refer to REMOVING THE OIL FILLER CAP
- Refer to RELEASING THE OIL DRAIN PLUG .
- Refer to REMOVING THE COOLANT RETURN LINE FOR THE EXHAUST TURBOCHARGER (AUXILIARY COOLANT PUMP REMOVED) .
- Refer to REMOVING THE COOLANT FEED LINE FOR THE EXHAUST TURBOCHARGER (COOLANT RETURN LINE REMOVED) .
- Refer to REMOVING FRONT ENGINE ENCAPSULATION .
- Refer to REMOVING TANK VENT VALVE .
- Refer to REMOVING INTAKE PLENUM .
- Refer to REMOVING IGNITION COILS .
- Refer to REMOVING THE HIGH PRESSURE LINE BETWEEN THE HIGH PRESSURE PUMP AND THE RAIL .
- Refer to REMOVING HIGH PRESSURE PUMP .
- Refer to REMOVING BOTH ACTUATORS
- Refer to REMOVING THE CYLINDER HEAD COVER (ENGINE REMOVED) .
- Refer to TURNING THE ENGINE ON THE VIBRATION DAMPER .
- Refer to BLOCKING THE CRANKSHAFT IN THE TDC FIRING POSITION OF THE FIRST CYLINDER (AUTOMATIC TRANSMISSION) .
- Refer to BLOCKING THE CAMSHAFTS .
- Refer to REMOVING THE CHAIN TENSIONER (ENGINE REMOVED) .
- Refer to RELEASING THE VANOS CENTRAL VALVE .
- Refer to REMOVING EXHAUST CAMSHAFT ADJUSTER .
- Refer to REMOVING INTAKE ADJUSTER .
- Refer to DISASSEMBLING ALL SPECIAL TOOLS .
- Refer to REMOVING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
- Refer to REMOVING THE CYLINDER HEAD .
- Refer to REMOVING OIL SUMP .
- Refer to REMOVING 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, piston pin, connecting rod and connecting rod bearing shells are matched to each other and balanced.
Always install the pistons, piston pins, connecting rods and connecting rod bearing shells in the cylinder from which they were removed.
Piston, piston pin, connecting rod and connecting rod bearing shells are matched to each other and balanced.
Always install the pistons, piston pins, connecting rods 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 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 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.
A large force can scratch the cylinder wall and bend the oil spray nozzles.
Damage on the cylinder wall and oil spray nozzles.
A large force can scratch the cylinder wall and bend the oil spray nozzles.
- Carefully shift 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 brackets.
If the bearing shells and bearing brackets are installed incorrectly, then engine damage can occur.- Always install all bearing shells and bearing brackets 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-exchanged in the correct position.
NOTE: RISK OF DAMAGE
Engine damage caused by incorrectly installed bearing shells and bearing brackets.
If the bearing shells and bearing brackets are installed incorrectly, then engine damage can occur.- Always install all bearing shells and bearing brackets 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-exchanged in the correct position.
- Screw special tool 0 496 144 (11 8 860)
in at large connecting rod eye.
- Press piston (1) with connecting rod up and out of crankcase.