Rear Crankshaft Main Bearing Seal: Service and Repair
Crankshaft Seal, Transmission Side
Special tools, testers and auxiliary items required
• Assembly Tool (T10122)
• Pulling Hook (T20143)
Note the following whenever working inside the engine compartment due to limited space:
• Route all lines and wires in their original locations.
• Ensure sufficient clearance to all moving or hot components.
Removing
- Remove the transmission.
- Lock the crankshaft, refer to => [ Crankshaft, Locking ] Procedures.
- Remove the flywheel or drive plate and then remove the sensor wheel for the engine speed sensor (G28) from the crankshaft.
- Remove the seal using pulling hook (T20143/2).
Be careful not to damage the sealing surface on the crankshaft.
Installing
• Do not additionally oil or grease the sealing lip of the seal!
- Clean the sealing surfaces. They must be free of oil and grease.
- Remove any oil residue from the crankshaft using a clean cloth.
- Place the assembly device (T10122/1) on the pull sleeve (T10122/2) and slide the seal - A - onto the pull sleeve.
- Remove the assembly tool (T10122/1).
- Mount the pull sleeve (T10122/2) and seal - A - on the crankshaft.
- Press in the seal evenly and flush using the pressure sleeve (T10122/3).
The rest of the installation follows the reverse of the removal procedure. When doing this note the following:
• Remove the locking pin (T40069) from the cylinder block and install the plug.
Tightening Specifications