11 31 052 Replacing both timing chains: Notes

Preliminary work: 

• Refer to REMOVING THE ENGINE 
• Install and fasten special tool 0 495 196 on special tool 0 495 187 (Engine mounting bracket on assembly jig, M14 x 95, Tightening torque: 130Nm)
• Refer to REMOVING RIGHT ENGINE SUPPORT ARM
• Position and secure the special tool 2 411 718 Engine mount on the engine.
• Position the engine with a workshop crane and the special tool 0 490 567 LIFTING GEAR on the special tool 2 413 082 MOUNT .
• Make sure that the engine is correctly engaged using the special tool 2 411 718 ENGINE MOUNT on the special tool 2 413 082 MOUNT .
• Tighten the nuts of the special tool 2 413 082 MOUNT , until the clamping jaws fit completely on the special tool 2 411 718 ENGINE MOUNT .
• Refer to REMOVING THE OIL FILLER CAP
• Release the oil drain plug (when re-installing drain plug, tighten to: 25 Nm)
• Refer to REMOVING FRONT ENGINE ENCAPSULATION 
• Refer to REMOVING TANK VENT VALVE
• Refer to REMOVING THE INTAKE PLENUM 
• Remove ignition coils. Refer to REPLACING IGNITION COILS .
• Refer to REMOVING THE HIGH PRESSURE LINE BETWEEN THE RAIL AND THE HIGH PRESSURE PUMP
• Refer to REMOVING THE INJECTORS FOR CYLINDERS 1 TO 3
• Refer to REMOVING THE INJECTORS FOR CYLINDERS 4 TO 6
• Refer to REMOVING HIGH PRESSURE PUMP
• Refer to REMOVING BOTH ACTUATORS 
• Refer to REMOVING THE CYLINDER HEAD COVER 
• Refer to REMOVING STARTER MOTOR
• Refer to CHECKING CAMSHAFT TIMING (AUTOMATIC TRANSMISSION)  or CHECKING CAMSHAFT TIMING (MANUAL TRANSMISSION) .
• 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 
• Disassemble all special tools
• Refer to REMOVING THE AUXILIARY COOLANT PUMP 
• Refer to REMOVING THE FRONT SECTION OF THE COOLANT RETURN LINE 
• Refer to REMOVING THE REAR SECTION OF THE COOLANT RETURN LINE (FRONT SECTION IS REMOVED) 
• Refer to REMOVING THE COOLANT FEED LINE 
• Detach oil supply line from the engine block. Refer to REMOVE/INSTALL/SEALING OR REPLACING OIL FEED LINE FOR EXHAUST TURBOCHARGER .
• Refer to REMOVING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER 
• Refer to REMOVING CYLINDER HEAD 
• Refer to REMOVING THE CYLINDER HEAD GASKET 
• Refer to REMOVING OIL SUMP 
• Refer to REMOVING FLYWHEEL 
• Refer to REMOVING FLYWHEEL 
• Refer to REMOVING REAR TIMING CASE COVER 

Follow-up work: 

• Refer to INSTALLING THE REAR TIMING CASE COVER 
• Refer to INSTALLING THE FLYWHEEL 
• Refer to INSTALLING THE FLYWHEEL 
• Refer to INSTALLING OIL PAN (ENGINE OR TRANSMISSION REMOVED) 
• Refer to SEAL THE OIL DUCT 
• Refer to CLEAN SEALING SURFACES 
• Refer to INSTALLING THE CYLINDER HEAD GASKET 
• Refer to INSTALLING THE CYLINDER HEAD 
• Refer to INSTALLING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER 
• Refer to SECURE THE OIL FEED LINE TO THE ENGINE BLOCK 
• Refer to INSTALLING COOLANT FEED LINE 
• Refer to INSTALLING THE REAR SECTION OF THE COOLANT RETURN LINE (FRONT SECTION REMOVED) 
• Refer to INSTALLING THE FRONT SECTION OF THE COOLANT RETURN LINE 
• Refer to INSTALLING THE AUXILIARY COOLANT PUMP 
• Block the crankshaft in the TDC firing position of the 1st cylinder. Refer to the relevant instructions under the procedure for CHECKING CAMSHAFT TIMING (AUTOMATIC TRANSMISSION)  or CHECKING CAMSHAFT TIMING (MANUAL TRANSMISSION) .
• Refer to the relevant instructions for blocking the camshafts under procedure for CHECKING CAMSHAFT TIMING (AUTOMATIC TRANSMISSION)  or CHECKING CAMSHAFT TIMING (MANUAL TRANSMISSION) .
• Refer to INSTALLING EXHAUST CAMSHAFT ADJUSTER 
• Refer to INSTALLING THE INTAKE ADJUSTER 
• Refer to PRELOAD TIMING CHAIN 
• Refer to TIGHTEN THE VANOS CENTRAL VALVE 
• Crank engine twice. Refer to CHECKING CAMSHAFT TIMING (AUTOMATIC TRANSMISSION)  or CHECKING CAMSHAFT TIMING (MANUAL TRANSMISSION) 
• Disassemble all special tools
• Refer to INSTALLING STARTER MOTOR
• Refer to INSTALLING CYLINDER HEAD COVER 
• Refer to INSTALLING BOTH ACTUATORS 
• Refer to PREPARING FOR THE INSTALLATION OF THE HIGH PRESSURE PUMP
• Refer to INSTALLING HIGH PRESSURE PUMP
• Refer to PREPARING THE INJECTORS FOR INSTALLATION
• Refer to INSTALLING THE INJECTORS FOR THE CYLINDERS 1 TO 3
• Refer to INSTALLING THE INJECTORS FOR THE CYLINDERS 4 TO 6
• Refer to INSTALLING THE HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE RAIL AND THE HIGH-PRESSURE PUMP
• Refer to INSTALLING THE IGNITION COILS
• Refer to INSTALLING THE INTAKE PLENUM 
• Refer to INSTALLING THE TANK VENT VALVE
• Refer to INSTALLING FRONT ENGINE ENCAPSULATION 
• Tighten the oil drain plug to 25 Nm
• Top up the engine oil
• Remove engine from assembly stand
• Remove engine mount from the engine
• Install right engine support arm. Tightening torque: 38 Nm.
• Install the engine