Rear Crankshaft Main Bearing Seal: Service and Repair

*This document updated per manufacturer TSB #07-11-003


CRANKSHAFT OIL SEAL

REMOVAL AND INSTALLATION

Crankshaft Front Oil Seal Removal Steps 1-8 / Crankshaft Rear Oil Seal Removal Steps (CVT) 4-7:

Required Special Tools:
^ MB991883: Flywheel Stopper
^ MD998718: Crankshaft Rear Oil Seal Installer
^ MB991448: Bush Remover And Installer Base

REMOVAL SERVICE POINT

[[A]] FLYWHEEL BOLTS/DRIVE PLATE BOLTS REMOVAL





Fix the flywheel or drive plate using special tool MB991883, and loosen the flywheel bolts or drive plate bolts.

INSTALLATION SERVICE POINTS

]]A[[ CRANKSHAFT REAR OIL SEAL INSTALLATION
1. Apply a small amount of engine oil to the entire inner diameter of the oil seal lip.





2. Using special tool MD998718, press in the crankshaft rear oil seal up to the cylinder block assembly end surface.

]]B[[ DRIVE PLATE/ADAPTER PLATE/DRIVE PLATE BOLTS/FLYWHEEL/FLYWHEEL BOLTS INSTALLATION
1. Remove the sealant, the engine oil, and other adhering materials from the drive plate and adapter plate or flywheel assembly installation face, the crankshaft screw hole, and flywheel bolts.
2. Install the drive plate and adapter plate or flywheel assembly to the crankshaft.





3. Use special tool MB991883 to secure the drive plate and adapter plate or flywheel assembly in the same manner as removal.
4. Apply a small amount of engine oil to the screw holes of the crank shaft and the bearing surface of the drive plate bolts and the adapter plate bolts. [CVT]
5. Apply a small amount of engine oil to the screw holes of the crank shaft and the bearing surface of the flywheel bolts. [M/T]





6. Apply sealant to the thread of the drive plate bolts and the flywheel bolts.
Specified sealant: Three bond 1324 or equivalent

Tightening torque: 130 Nm (96 ft-lb)





7. Tighten flywheel bolts to temporary torque 40 Nm (30 ft-lb) in the order shown in the illustration.
8. Tighten flywheel bolts to temporary torque in the order shown in the illustration.

Tightening torque: 130 Nm (96 ft-lb)

]]D[[ CRANKSHAFT FRONT OIL SEAL INSTALLATION
1. Apply a small amount of engine oil to the entire inner diameter of the oil seal lip.

CAUTION
When installing the crankshaft oil seal, be careful to avoid damage to the crankshaft front oil seal.





2. Using special tool MB991448, press in the crankshaft front oil seal up to the chamfered surface of timing chain case.