Replacing the rear crankshaft seal

Removing the rear crankshaft seal 

• Provide a vacuum cleaner.
• Drill a hole into the crankshaft seal using a 2.5 mm drill (1).

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• Immediately remove the shavings from the crankshaft seal (1) carefully using a vacuum cleaner.

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• Screw in the special tool 0 491 454 (23 0 490)  into the crankshaft seal.
• Drive out the crankshaft seal using the special tool 0 491 454 (23 0 490). 

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  Installing the rear crankshaft seal 

  NOTE: TECHNICAL INFORMATION 
  The radial shaft seal must be installed dry. Do not use motor oil or lubricant.
• Install special tool 0 496 137 (11 8 815)  on the crankshaft.
• Pull off crankshaft sealing ring (1) in the arrow direction using special tool 0 496 137 (11 8 815)  so that crankshaft sealing ring (1) rests all around the timing case cover.

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• Guide the special tool 0 496 137 (11 8 815)  out and remove.
• Secure special tool 0 494 029 (11 9 182)  to the crankshaft using special tool 0 494 031 (11 9 184). 

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• Connect special tool 2 360 215  to special tool 0 494 028 (11 9 181)  in the arrow direction.

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• Position special tools 0 494 028 (11 9 181)  and 2 360 215  and bring into contact with the crankshaft seal in connection with special tool 0 494 030 (11 9 183). 
• Check the freedom of movement between the special tool 2 360 215  and the crankshaft sensor during installation.
• Screw in the crankshaft sealing ring up to the stop of the timing case cover using special tool 2 360 215. 

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to CLEAN SEALING SURFACES .
• Refer to INSTALLING THE CYLINDER HEAD GASKET .
• Refer to INSTALLING THE CYLINDER HEAD .
• Refer to REFITTING ENGINE OIL PAN .
• Refer to TIGHTENING THE OIL DRAIN PLUG .
• Refer to INSTALLING THE FLYWHEEL .
• 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 INSTALLING THE INTAKE ADJUSTER .
• Refer to INSTALL EXHAUST CAMSHAFT ADJUSTER .
• Refer to PRELOAD TIMING CHAIN .
• Refer to TIGHTENING THE VANOS CENTRAL VALVE .
• Refer to CRANK ENGINE TWICE (AUTOMATIC TRANSMISSION) .
• Refer to DISASSEMBLING ALL SPECIAL TOOLS
• Refer to INSTALL THE COOLANT FEED LINE (COOLANT RETURN LINE IS REMOVED) .
• Refer to INSTALL THE REAR SECTION OF THE COOLANT RETURN LINE (FRONT SECTION REMOVED) .
• Refer to INSTALL THE FRONT SECTION OF THE COOLANT RETURN LINE .
• Refer to INSTALLING THE AUXILIARY COOLANT PUMP .
• Refer to INSTALLING THE INTAKE PLENUM .
• Refer to INSTALLING THE TANK VENT VALVE .
• Refer to TIGHTENING THE OIL FILTER CAP .
• Refer to SECURING THE OIL FEED LINE TO THE ENGINE BLOCK .
• Refer to INSTALLING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
• Refer to INSTALLING THE SUPPORT FOR THE EXHAUST TURBOCHARGER .
• Refer to INSTALLING CYLINDER HEAD COVER .
• Refer to INSTALLING BOTH ACTUATORS .
• Refer to INSTALLING THE INJECTORS FOR THE CYLINDERS 4 TO 6 .
• Refer to INSTALLING THE INJECTORS FOR THE CYLINDERS 1 TO 3 .
• Refer to PREPARE FOR THE INSTALLATION OF THE HIGH PRESSURE PUMP .
• Refer to INSTALL HIGH PRESSURE PUMP .
• Refer to INSTALL THE HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE RAIL AND THE HIGH-PRESSURE PUMP .
• Refer to INSTALLING THE IGNITION COILS .
• Refer to INSTALL FRONT ENGINE ENCAPSULATION .
• Refer to INSTALL CHARGE AIR LINE
• Refer to INSTALL BOTTOM CLEAN AIR PIPE .
• Refer to REMOVING THE ENGINE FROM THE ASSEMBLY JIG
• Refer to ALIGNING THE ENGINE ON THE FRONT AXLE SUPPORT .
• Refer to INSTALL THE ENGINE SUPPORT ARMS ON THE ENGINE MOUNTS ON THE LEFT AND THE RIGHT .
• Refer to CHECKING LINING SLEEVES .
• Refer to SECURE THE JUNCTURE SHAFT IN FRONT ON THE FRONT AXLE DIFFERENTIAL .
• Refer to INSTALLING THE ENGINE ON THE AUTOMATIC TRANSMISSION (FOR MOBILE LIFTING TABLE) .
• Refer to FLANGE-MOUNT TRANSMISSION .
• Refer to INSTALL THE EXHAUST BRACKET .
• Refer to TIGHTEN TRANSMISSION SCREWS .
• Refer to REMOVE THE SPECIAL TOOL FROM THE TORQUE CONVERTER .
• Refer to TURNING THE ENGINE HAND FORCE .
• Refer to TIGHTEN CONVERTER BOLT .
• Refer to LOCK THE CONNECTOR WITH THE SEALING SLEEVE .
• Refer to FIX HYDRAULIC LINES .
• Refer to INSTALLING STARTER MOTOR .
• Refer to INSTALL THE FRONT OUTPUT SHAFTS (ON THE MOBILE LIFTING TABLE) .
• Refer to INSTALL CATALYTIC CONVERTER .
• Refer to REPLACING THE OXYGEN MONITOR SENSOR
• Refer to REPLACING THE LAMBDA OXYGEN SENSOR
• Refer to CLIP THE COOLANT LINE IN AT THE FRONT AXLE SUPPORT .
• Refer to TOPPING UP THE MOTOR OIL
• Refer to INSTALLING THE COMPLETE FRONT AXLE INCLUDING ENGINE AND TRANSMISSION .