Front Crankshaft Seal: Service and Repair

CRANKSHAFT OIL SEAL

REMOVAL AND INSTALLATION

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 POINT

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





1. Use special tool MD998781 to secure the A/T drive plate.
2. Remove the 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[[ A/T DRIVE PLATE BOLTS INSTALLATION





1. Use special tool MD998781 to secure the A/T drive plate in the same manner as removal.
2. Tighten the 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.