REMOVAL AND INSTALLATION <4A9>



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.Fix the flywheel assembly using special tool flywheel stopper (MD998781).
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, and degrease the surface where the sealant is applied.

2.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.
3.
caution
  • Install the crankshaft rear oil seal case assembly not to damage the crankshaft rear oil seal.
  • After the installation, until a sufficient period of time (one hour or more) elapses, do not apply the engine oil or water to the sealant application area or start the engine.
Install the crankshaft rear oil seal case assembly to the cylinder block.
4.Tighten the crankshaft rear oil seal case assembly mounting bolts to the specified torque.
Tightening torque: 11 ± 3 N·m

>>B<< ADAPTER PLATE/FLYWHEEL ASSEMBLY/FLYWHEEL BOLT INSTALLATION
1.Remove the sealant, engine oil, and other adhering materials from the flywheel assembly installation face, adapter plate, crankshaft screw hole, and flywheel bolts.
2.Install the flywheel assembly to the crankshaft.

3.Fix the flywheel assembly using special tool flywheel stopper (MD998781) in the same manner as removal.

4.Apply a small amount of engine oil to the installation face of the flywheel bolts.
5.Apply specified sealant to the flywheel bolts 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 When installing the crankshaft front oil seal, be careful to avoid damage to 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.