REMOVAL AND INSTALLATION







Crankshaft front oil seal removal steps


·
Crankshaft pulley (Refer to )

>>D<<
1.
Crankshaft front oil seal



Crankshaft rear oil seal removal steps <M/T>


·
Transmission assembly (Refer to GROUP 22A - Transmission Assembly )


·
Clutch cover and clutch disc (Refer to GROUP 21C - Clutch )
<<A>>
>>C<<
2.
Flywheel bolt

>>C<<
3.
Flywheel assembly

>>A<<
8.
Crankshaft rear oil seal



Crankshaft rear oil seal removal steps <A/T>


·
Transmission assembly (Refer to GROUP 23A - Transmission Assembly )
<<B>>
>>B<<
4.
Drive plate bolt

>>B<<
5.
Drive plate adapter plate

>>B<<
6.
Drive plate

>>B<<
7.
Drive plate adapter plate

>>A<<
8.
Crankshaft rear oil seal

REMOVAL SERVICE POINT



<<A>> FLYWHEEL BOLT REMOVAL



Fix the flywheel assembly using special tool flywheel stopper (MB991883), and loosen the flywheel bolts.

<<B>> DRIVE PLATE BOLT REMOVAL



Fix the flywheel assembly using special tool flywheel stopper (MD998781), and loosen the 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 crankshaft rear oil seal lip.

2.Use the following special tools, press-fit a new crankshaft rear oil seal into the oil seal case.

  • Oil seal installer (MB991818)
  • Installer bar (MB990938)
3.Apply a small amount of engine oil to the entire inner diameter of the crankshaft rear oil seal lip.

>>B<< DRIVE PLATE BOLT INSTALLATION


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

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

4.Apply the engine oil to the installation face of the drive plate mounting bolts for the drive plate.
5.Apply a small amount of engine oil to the bearing surface and thread of the drive plate bolts, and then apply the sealant to the thread as shown in the figure.
Specified sealant: ThreeBond 1324 or equivalent
note Install the drive plate bolts immediately after applying sealant.

6.Tighten the drive plate bolts to the specified torque in the order shown in the illustration.
Tightening torque: 40 N·m
7.Tighten the drive plate bolts to the specified torque again in the order shown in the illustration.
Tightening torque: 130 N·m

>>C<< FLYWHEEL BOLT INSTALLATION


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

3.Use special tool flywheel stopper (MB991883) to secure the flywheel in the same manner as removal.

4.Apply the engine oil to the installation face of the drive plate mounting bolts for the drive plate.
5.Apply a small amount of engine oil to the bearing surface and thread of the flywheel bolts, and then apply the sealant to the thread as shown in the figure.
Specified sealant: ThreeBond 1324 or equivalent
note Install the flywheel bolts immediately after applying sealant.

6.Tighten the flywheel mounting bolts to the specified torque 40 ± 2 N·m in the order shown in the figure.

7.
caution
  • The bolt is not tightened sufficiently if the tightening angle is less than a 30° ± 2° angle.
  • If the tightening angle exceeds 30° ± 2°, remove the bolt and repeat from the start.
Using the special tool angle gauge (MB991614), additionally tighten the flywheel bolts to 30° ± 2°.

>>D<< CRANKSHAFT FRONT OIL SEAL INSTALLATION


1.Apply a small amount of engine oil to the entire inner diameter of the crankshaft front oil seal lip.

2.
caution When installing the crankshaft front oil seal, be careful to avoid damage to the crankshaft front oil seal.
Use the following special tools, press-fit a new crankshaft front oil seal into the timing chain case.

  • Oil seal installer (MB992290)
  • Handle (MB992075)