Page 318 of 2053
M161 ENGINE MECHANICAL 1B2 -- 25
D AEW OO M Y_2000
7. Rib detached from the base of belt.
8. Splits across the rib.
9. Sections of rib torn out.
10. Splits across several ribs.
11. Splits across the back of the belt.
Page 328 of 2053

M161 ENGINE MECHANICAL 1B2 -- 35
D AEW OO M Y_2000
Tools Required
116 589 20 33 00 Sliding Hammer
116 589 01 34 00 Threaded Pin
Removal & Installation Procedure
1. Remove the power steering belt pulley and A/C com-
pressor bracket.
2. Remove the oil line from power steering pump.
3. Rotate the crankshaft so that the piston of number,
cylinder is at ATDC20°.
4. Put the alignment marks (arrows) on the timing chain
and camshaft sprocket.
5. Remove the chain tensioner.
Installation Notice
Tightening Torque
72 -- 88 NSm (53 -- 65 lb-ft)
6. Remove the intake and exhaust camshaft sprocket
(remove the camshaft adjuster assembly in E23 en-
gine).
Installation Notice
Ti
ghteningTo rque
1st step: 18 -- 22 NSm
(13 -- 16 lb-ft)
TighteningTorque
2nd step: 60°±5°
Notice:The flange bolt is designed to be used only
once, so always replace with new one.
7. Remove the guide rail pin using the sliding hammer
116 589 20 33 00 (02) and the threaded pin 116 589
01 34 00 (03).
Notice:Apply the sealant on guide rail pin when installa-
tion.
Page 329 of 2053

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 332 of 2053
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
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.
Page 405 of 2053
1D2 -- 10 M161 ENGINE COOLING
D AEW OO M Y_2000
Tools Required
124589152100 Tester
Removal & Installation Procedure
1. Drain the coolant.
2. Disconnect the coolant hoses (8, 9, 10).
3. Take off the drive belt.
4. Unscrew the four bolts (6) from water pump pulley
and remove the pulley (7).
Installation Notice
Tightening Torque
9--11NSm (80 -- 97 lb-in)
Notice:Hold the pulley with fan clutch holder 603 589
00 40 00 while removing the pulley.
5. Unscrew the bolts (1, 2, 3, 4) from water pump hous-
ing (5) and remove the water pump.
Installation Notice
Tightening
(1,2,3)9--11NSm
(80 -- 97 lb-in)
Tightening
Torque(4)22.5 -- 27.5 NSm
(16.6 -- 20.3 lb-ft)
6. Clean the sealing surface.
7. Replace the gasket with new one.
Notice:Apply the sealant when the sealing surface of
water pump housing and coolant mounting area is clean.
8. Installation should follow the removal procedure in
the reverse order.
9. Check for leaks by starting the engine.
Page 414 of 2053
M161 ENGINE ELECTRICAL 1E 2 -- 3
D AEW OO M Y_2000
MAINTENANCE AND REPAIR
ON-VEHICE SERVICE
GENERATOR
Preceding Work : Removal of the drivebelt
Removal & Installation Procedure
1. Disconnect the negative battery terminal.
2. Unscrew the nut and disconnect the terminal (1).
Installation Notice
Tightening Torque
14 -- 18 NSm (10 -- 13 lb-ft)
3. Unscrew the nut and disconnect the terminal (2).
Installation Notice
Tightening Torque
4--5NSm (35 -- 44 lb-in)
1 Terminal (B+)
2 Terminal (D+)
4. Unscrew the generator mounting bolt (3).
Installation Notice
Tightening Torque
25 NSm (18 lb-ft)
5. Remove the generator.
6. Installation should follow the removal procedure in
the reverse order.
3 Generator Mounting Bolt
4 Generator