Front Crankshaft Seal: Service and Repair

CRANKSHAFT OIL SEAL

REMOVAL AND INSTALLATION

[M/T]

Removal Steps 1-9:

Removal Steps 1-8:

Required Special Tools:
^ MB990938: Installer Bar
^ MD998285: Crankshaft Front Oil Seal Guide
^ MD998375: Crankshaft Front Oil Seal Installer
^ MD998776: Crankshaft Rear Oil Seal Installer
^ MD998781: Flywheel Stopper

REMOVAL SERVICE POINTS

[A] TRANSAXLE ASSEMBLY REMOVAL

CAUTION

Do not remove the flywheel bolt. If this bolt is removed, the flywheel assembly will become out of balance and damaged.

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

1. Use special tool MD998781 to secure the flywheel assembly or A/T drive plate.
2. Remove the flywheel bolts or A/T 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. Use special tools MB990938 and MD998776 to press-fit the oil seal.

[B] FLYWHEEL BOLTS/A/T DRIVE PLATE BOLTS INSTALLATION

1. Use special tool MD998781 to secure the flywheel assembly or A/T drive plate in the same manner as removal.
2. Tighten the flywheel bolts or A/T drive plate bolts to the specified torque.
Tightening torque: 132 ± 5 Nm (98 ± 3 ft-lb)

[C] CRANKSHAFT FRONT OIL SEAL INSTALLATION

1. Apply a small amount of engine oil to the outer diameter of special tool MD998285 and install it to the crankshaft.
2. Apply a small amount of engine oil to the entire inner diameter of the oil seal lip.
3. Use special tool MD998375 to press-fit the oil seal.

[D] CRANKSHAFT BALANCER SHAFT DRIVE SPROCKET INSTALLATION

1. Clean or degrease the front case, the crankshaft and the crankshaft balancer shaft drive sprocket as shown.

NOTE: Also clean the degreased surfaces.

2. Install the crankshaft balancer shaft drive sprocket in the direction shown in the illustration.