REMOVAL AND INSTALLATION <135>







Crankshaft front oil seal removal steps


·
Crankshaft damper pulley (Refer to ).

>>C<<
1.
Crankshaft front oil seal



Crankshaft rear oil seal removal steps


·
Transmission assembly (M/T: Refer to GROUP 22A, Transmission Assembly ), (Automated manual transmission: Refer to GROUP 22C, Transmission Assembly ).


·
Clutch cover and disc (Refer to GROUP 21B, Clutch ).


·
Engine oil pan (Refer to ).
<<A>>
>>B<<
2.
Flywheel bolt

>>B<<
3.
Flywheel assembly

>>A<<
4.
Crankshaft rear oil seal case assembly

REMOVAL SERVICE POINT



<<A>> FLYWHEEL BOLT REMOVAL



1.Use special tool flywheel stopper (MD998781) to secure the flywheel assembly.
2.Remove the flywheel bolts.

INSTALLATION SERVICE POINTS



>>A<< CRANKSHAFT REAR OIL SEAL CASE ASSEMBLY INSTALLATION


1.Remove sealant from the crankshaft rear oil seal case assembly mounting surface of the cylinder block.
2.Apply a small amount of engine oil to the outer diameter of special tool oil seal guide (MB992207).

3.Pass the special tool oil seal guide (MB992207) through the crankshaft rear oil seal case assembly in the direction shown in the figure (opposite to the direction of the crankshaft rear oil seal case assembly installation).
note This adjusts the direction of the oil seal lip.

4.Install the special tool oil seal guide (MB992207) to the crankshaft rear oil seal case assembly in the opposite direction from the direction in step 3 (in the direction of the crankshaft rear oil seal case assembly installation).

5.Apply a bead of specified sealant to the crankshaft rear oil seal case assembly mating surface of the cylinder block as shown.
Specified sealant: ThreeBond 1217G or equivalent
note Install the crankshaft rear oil seal case assembly immediately after applying sealant.

6.
caution Install the crankshaft rear oil seal case assembly not to damage the crankshaft rear oil seal.
Install the special tool oil seal guide (MB992207) to the crankshaft.
7.
caution After the installation, until a sufficient period of time (one hour or more) elapses, do not apply the oil or water to the sealant application area or start the engine.
Tighten the crankshaft rear oil seal case assembly mounting bolts to the specified torque.
Tightening torque: 7.6 ± 0.6 N·m

>>B<< FLYWHEEL ASSEMBLY/FLYWHEEL BOLT INSTALLATION


1.Remove the sealant, the engine oil and other adhering materials from the flywheel assembly installation face, the crankshaft screw hole and flywheel bolts.
2.Install the flywheel assembly to the crankshaft.

3.Use special tool flywheel stopper (MD998781) to secure the flywheel assembly in the same manner as removal.
4.Apply a small amount of engine oil to the face of the flywheel bolt and the crankshaft screw hole.

5.Apply specified sealant to the flywheel bolt threads.
Specified sealant: LOCTITE 2701 or equivalent

6.Tighten the flywheel bolts to the specified torque in two or three steps in the order shown in the illustration.
Tightening torque: 100 N·m

>>C<< CRANKSHAFT FRONT OIL SEAL INSTALLATION



1.Apply a small amount of engine oil to the outer circumference of special tool crankshaft front oil seal guide (MB991993) and install it to the crankshaft.
2.Apply a small amount of engine oil to the entire inner circumference of the oil seal lip.
3.
caution Install the crankshaft front oil seal not to damage the crankshaft front oil seal.
Using special tool differential oil seal installer (MB990699), drive the oil seal so that it is flush with the timing chain case assembly.