Front Crankshaft Seal: Service and Repair

CRANKSHAFT FRONT OIL SEAL
REMOVAL AND INSTALLATION

REMOVAL SERVICE POINT
[[A]] CRANKSHAFT SPROCKET REMOVAL





1. Use the crankshaft pulley mounting bolt to secure special tool MB991367.
2. Loosen the crankshaft sprocket mounting bolt, and remove the sprocket.

INSTALLATION SERVICE POINTS
]]A[[ CRANKSHAFT FRONT OIL SEAL INSTALLATION





1. Apply engine oil to the entire inside diameter of the oil seal lip.
2. Use special tool MD998375 to press-fit the oil seal until it is flush with the front case.

]]B[[ CRANKSHAFT SPROCKET B/CRANKSHAFT/SENSING BLADE/CRANKSHAFT SPROCKET INSTALLATION





1. To prevent the crankshaft bolt from loosening, degrease or clean the seating surfaces of the crankshaft, crankshaft sprocket B, crankshaft sensing blade and crankshaft at the shown positions.
2. Install the crankshaft sensing blade so that they face as shown in the illustration.
3. Apply the minimum amount of engine oil to the seat surface and thread of the crankshaft bolt.





4. Use the crankshaft pulley mounting bolt to secure special tool MB991367.
5. Tighten the crankshaft sprocket bolt to the specified torque.
Tightening torque: 118 ± 9 Nm (87 ± 7 ft. lbs.)