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1B2 -- 36 M161 ENGINE MECHANICAL
D AEW OO M Y_2000
8. Unscrew the bolts (A).
Installation Notice
Tightening Torque
22.5 -- 27.5 NSm
(16.6 -- 20.3 lb-ft)
9. Remove the belt pulley and vibration damper.
Installation Notice (Center Bolt)
Ti
ghteningTo rque
1st step: 200 + 20NSm
(148 + 15 lb-ft)
TighteningTorque
2nd step: 90°+10°
10. Unscrew the bolts (1, 2) on timing gear case cover
and remove the timing gear case cover.
Installation Notice
Tightening Torque
22.5 -- 27.5 NSm
(16.6 -- 20.3 lb-ft)
Notice:Be careful not to damage the cylinder head gas-
ket.
11. Remove the radial shaft seal.
Notice:Installation note replace the seal with new one.
12. Clean the timing gear case cover and crankcase
sealing surface.
13. Replace the O -- ring with new one and apply the
sealant on the sealing surface.
Notice:Be careful not to stain the oil chamber of chain
tensioner with the sealant.
14. Installation should follow the removal precedure in
the reverse order.
15. Warm up the engine and check for oil leaks.
Page 330 of 2053
M161 ENGINE MECHANICAL 1B2 -- 37
D AEW OO M Y_2000
CRANKSHAFT SEALING REAR COVER
Preceding Work: Removal of the automatic transmission drive plate or flywheel
1 Bolt (M6 x 20, 6 pieces)
9--11 NSm (80-- 97 lb-in) .....................
2 Radial Shaft Seal
3 Rear Cover4 Sleeve
5 Bolt (M6 x 85, 2 pieces)
9--11 NSm (80-- 97 lb-in) .....................
6Washer
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1B2 -- 38 M161 ENGINE MECHANICAL
D AEW OO M Y_2000
Tools Required
601 589 03 43 00 Crankshaft Rear Seal Installer
Removal & Installation Procedure
1. Unscrew the bolts (1) and (5) and remove the closing
cover by pulling the rear cover lug (arrows).
Notice:Be careful not to damage the oil pan gasket.
2. Clean the sealing surface of the crankcase and the
rear sealing cover.
3. Check the radial shaft seal and replace it if necessary.
4. Apply the Loctite 573 to the rear cover sealing sur-
face.
5. Apply the engine oil to the dust lip of the radial shaft
seal.
Notice:Do not use the grease.
6. Install the crankshaft rear radial seal and the crank-
shaft sealing rear cover, using crankshaft rear seal in-
staller 601 589 03 43 00.
7. Install the crankshaft sealing rear cover mounting
bolts and remove the crankshaft rear seal installer
601 589 03 43 00.
Installation Notice
Tightening Torque
9--11NSm (80 -- 97 lb-in)
8. Installation should follow the removal procedure in
the reverse order.
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M161 ENGINE MECHANICAL 1B2 -- 39
D AEW OO M Y_2000
BELT PULLEY AND VIBRATION DAMPER
Preceding Work: Removal of cooling fan and viscous clutch
Removal of fan shroud
Removal of drive belt
1 Vibration Damper Center
1st step 200+20 NSm (148+15 lb-ft) .........
2nd step 90°+10°rotation added2 Vibration Damper Disk
5 Vibration Damper Assembly
6Key
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1B2 -- 40 M161 ENGINE MECHANICAL
D AEW OO M Y_2000
Components
1 Center Bolt (M18 x 50)
2 Center Bolt Washer
3 Vibration Damper and Pulley Assembly
4Key
5 Crankshaft Front Seal
6 Timing Gear Case Cover7 Crankshaft Sprocket (Camshaft Driven)
8 Crankshaft Sprocket (Oil pump Driven)
9 Crankshaft
10 Oil Pan
11 Oil Pan Gasket
12 Oil Pan Mounting Bolt (M6 x 22)
ServiceDataStandard
Permissble Deviation of The Vibration DamperRadial Runout0.6 mmp
Axial Runout0.6 mm
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M161 ENGINE MECHANICAL 1B2 -- 41
D AEW OO M Y_2000
Tools Required
602589004000 EngineLock
Removal & Installation Procedure
1. Adjust the piston of number 1 cylinder to the TDC.
2. Remove the start motor and install the engine lock
602 589 00 40 00 to the flywheel ring gear.
3. Remove the vibration damper center bolt.
Installation Notice
Ti
ghteningTo rque
1st step: 200 + 20 NSm
(148 + 15 lb-ft)
TighteningTorque
2nd step: 90°+10°
4. Remove the vibration damper assembly using the
puller.
5. Installation should follow the removal procedure in
the reverse order.
Notice:If possible, don’t separate the vibration damper
and the pulley.
Page 335 of 2053
1B2 -- 42 M161 ENGINE MECHANICAL
D AEW OO M Y_2000
CRANKSHAFT FRONT RADIAL SEAL
Preceding Work: Removal of belt pulley and vibration damper
1 Center Bolt (M18 x 50)
1st step 200+20 NSm (148+15 lb-ft) .........
2nd step 90°+10°
2 Center Bolt Washer3 Crankshaft Front Seal Installer
4 Crankshaft Front Seal
5Key
Page 336 of 2053
M161 ENGINE MECHANICAL 1B2 -- 43
D AEW OO M Y_2000
Tools Required
601 589 03 14 00 Crankshaft Front Seal Installer
Replacement Procedure
1. Remove the radial seal with a screw driver.
Notice:Use a clean cloth not to damage the radial seal
mounting hole and the crankshaft.
2. Coat the radial sealing lip with engine oil.
3. Using the crankshaft front seal installer 601 589 03 14
00, assemble the radial seal .
4. Align the sleeve groove and the woodruff key and
tighten the center bolt until the center bolt and the
damper disk stop in the movement.
Installation Notice
Ti
ghteningTo rque
1st step: 200 + 20 NSm
(148 + 15 lb-ft)
TighteningTorque
2nd step: 90°+10°
5. Remove the crankshaft front seal installer 601 589 03
14 00, and install the belt pulley and the vibration
damper.
6. Check for leaks while operating the engine.