Removing crankshaft
CAUTION:
Component with heavy weight.
Injury hazard!
Injury hazard!
- Note component's center of gravity.
- Support component using a jack.
- Secure component against falling off the jack.
CAUTION:
On releasing high pressure line, fuel may emerge at high speed.
Injury hazard!
Injury hazard!
- Wear suitable personal protective equipment.
- Before performing any installation work, allow cooling system to cool down to less than 40°C.
- Note warnings on cylinder head cover.
NOTE:
TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
Preliminary work
- Remove ENGINE
- Install the ENGINE on the assembly stand
- Release the OIL DRAIN PLUG
- Tighten the OIL DRAIN PLUG
- Remove all SPARK PLUGS
- Remove the HIGH PRESSURE LINE between the high pressure pump and the rail
- Remove HIGH PRESSURE PUMP
- Remove the RAIL with injectors
- Remove both ACTUATORS
- Remove the cylinder head COVER .
- Remove tank VENT VALVE .
- Remove the INTAKE PLENUM .
- Remove the cylinder head HEAT SHIELD .
- Remove the exhaust turbocharger OIL RETURN LINE .
- Remove the exhaust turbocharger COOLANT RETURN LINE .
- Remove the exhaust gas turbocharger COOLANT FEED LINE .
- Block ENGINE in TDC firing position.
- Remove CHAIN TENSIONER .
- Release the intake adjuster VANOS CENTRAL VALVE .
- Release the exhaust camshaft adjuster VANOS CENTRAL VALVE .
- Remove the intake adjuster VANOS CENTRAL VALVE .
- Remove the exhaust camshaft adjuster VANOS CENTRAL VALVE .
- Remove INTAKE ADJUSTER .
- Remove exhaust camshaft ADJUSTER .
- Remove the TEST GAUGES for securing the camshafts.
- Remove the CYLINDER HEAD .
- Remove the cylinder HEAD GASKET .
- Remove the oil pan ACOUSTIC COVER .
- Remove the VIBRATION DAMPER .
- Remove FLYWHEEL .
- Remove FRONT AXLE DIFFERENTIAL
- Remove bearing BRACKET .
- Remove OIL PAN .
- Remove rear timing case COVER .
- Remove TIMING CHAIN .
- Remove oil VACUUM PUMP .
- Remove the OIL DEFLECTOR .
- Remove all PISTONS with connecting rod.
NOTE:
In the following work steps, the engine is rotated 180 degrees. The underside faces upwards.
- Remove both sealing caps (1) with a suitable tool (2).
- Rotate the crankshaft to the TDC of the first cylinder .
- Mount the special tool 2 288 054 and abut the bolts (1).
NOTE:
The description is for one component only.
The procedure is identical for all further components.
The procedure is identical for all further components.
- Make sure the special tool 2 288 054 is correctly fitted in the guides (1) of he counterbalance shafts (2).
- Slightly twist the crankshaft if necessary.
- Tighten special tool 2 288 054 .
TIGHTEN TORQUES SPECIFICATION
| Special tool 2 288 054 to crankshaft | ||
| Tightening torque | 20 Nm | |
- Release screws (1) of the counterbalance shaft on the intake side.
- Loosen screws (1).
- Guide the special tool 2 288 054
out and remove.
- Guide the counterbalance shaft (1) on the intake side in the arrow direction out of the crankshaft (2).
- Place the counterbalance shaft (1) on the intake side carefully
aside.
- Position a clean, lint-free cleaning cloth (1) between the counterbalance shaft (2) on the intake side and the crankcase (3).
- Ensure that the needle bearing (4) will not be damaged
.
- Unfasten nut (1).
- - Vehicles up to year of manufacture 07/16
Thread out the intermediate wheel (1) and remove.
- - Vehicles up to year of manufacture 07/16
Thread out the intermediate wheel (1) and remove.
- Observe the numbering (1) of the main bearing caps.
The installation position must be maintained.
- Loosen screws in the order (10) to (1).
- Place the main bearing cap neatly into the special tool 0 495 105 (11 4 480). CAUTION: Heavy component.
Heavy components can lead to injury or damage.- Remove and install heavy components with the aid of another person/other persons.
- Guide the crankshaft (1) out and remove.