Page 242 of 1463
M161 ENGINE MECHANICAL 1B2-53
CRANKSHAFT REAR RADIAL SEAL
Preceding Work : Removal of flywheel or drive plate
1 Special Tool
2 Special Tool3 Crankshaft Rear Seal
Tools Required
601 589 03 43 00 Sleeve
Replacement Proceudre
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. Install the special tool (2) to the crankshaft.
3. Apply the engine oil on the special tool (2).
Notice
Do not use the grease.
4. Install the radial seal on the inner parts assembler.
5. Press in the special tool (1) until the radial seal is stopped.
6. Check for leaks while operating the engine.
Page 243 of 1463
1B2-54 M161 ENGINE MECHANICAL
CRANKSHAFT
Preceding Work : Removal of engine
Removal of cylinder head
Removal of timing gear case cover
Removal of crankcase sealing rear cover
Removal of oil pan
Removal of baffle plate
Removal of oil pump
1 Bearing Cap Bolt
(M8 X 55-10 pieces) ............ 1st step 50-60 Nm
2nd step 90°+5° rotation added
2 Bearing Cap
3 Upper Main Bearing
4 Lower Main Bearing
5 Upper Thrust Bearing
6 Lower Thrust Bearing
8 Crank Shaft
Page 244 of 1463
M161 ENGINE MECHANICAL 1B2-55
Arrangement of the Thrust Bearing and the Main Bearing
1 - 8 Weight Balance/Color Marking Point
j1 - j5 Journal Main Bearing #1 - #5
lColor Dot Marking
The color dot marking are put on the 1 , 2 , 4 , 6
, 8 , and it indicates the diameter of crankshaft journal
by color as below.A Crankcase Side
B Bearing Cap Side (Oil Pan Side)
1 Upper Main Bearing
2 Upper Thrust Bearing
3 Crankshaft
4 Lower Main Bearing
5 Lower Thrust Bearing
Page 245 of 1463

1B2-56 M161 ENGINE MECHANICAL
Selection of Crankshaft Main Bearing
1. Crankcase Side
There are seven punching marks on the mating surface
to oil pan. This mark is correspondent to the bearing
distinguished by color. Select the relevant bearing
according to the punching mark when repaired.
2. Crankshaft Bearing Cap Side
Select the crankshaft main bearing according to the
marking letter on the crankshaft main journal when
repaired.
Color Dot Marking
Blue
Yellow
Red
White
VioletCrankshaft Journal Diameter (mm)
57.960 - 57.965
57.955 - 57.960
57.950 - 57.955
57.945 - 57.950
57.940 - 57.945
Punching Mark
·
··
···
Bearing Color Selected
Blue
Yellow
Red
Marking Letter
B
Y
R
W
VBearing Color Selected
Blue
Yellow
Red
White
Violet
Service DataUnit : mm
Crankshaft
Bearing Jour-
nal DiameterCrankshaft
Bearing
DiameterCrankshaft
Journal Width
at fit bearingConnecting Rod
Bearing Journal
DiameterConnecting
Rod Bearing
Jourmal Width
Standard size
1st repair size
2nd repair size
3rd repair size
4th repair size57.950-57.965
57.700-57.715
57.450-57.465
57.200-57.215
56.950-56.96558 24.50-24.533 47.94-47.96
47.75
47.50
47.25
47.0027.958-28.042 Crankshaft Standard
and Repair Size
- --
Page 246 of 1463

M161 ENGINE MECHANICAL 1B2-57
Installation Notice
lMake sure the crankshaft bearing cap properly seated
in place in the crankcase side. When perfectly
installed, the projected part (arrow) locates in the left
side (intake manifold side).
lAssemble so that the projected part of the cap and
crankcase face the same direction.
Removal & Installation Procedure
1. Unscrew the connecting rod bearing cap bolt and remove
the bearing cap.
Installation Notice
2. Unscrew the crankshaft bearing cap bolts and separate
the upper and lower bearing shells and thrust washers.
Installation Notice
lRemove the bearing cap from front (pulley side) to
rear.
lMake sure that the upper and lower bearing shells do
not change each other and coat with engine oil.
lThe oil grooves (arrows) in the thrust washers must
face outward and insert the thrust bearing into the
bearing cap.
lThere are five kinds of thrust washers by thickness.
Select the proper washer when repaired.
3. Remove the crankshaft.
4. Installation should follow the removal procedure in the
reverse order.
5. After completion of the installation, check for the rotating
condition of the crankshaft.
lMake sure that the upper and lower bearing shells do
not change each other.
lCoat the bearing shell with engine oil.
lInstall the bearing cap according to the consecutive
number.
Part No. : 601 030 00 622.15 mm
Part No. : 601 030 01 622.20 mm
Part No. : 601 030 02 622.25 mm
Part No. : 601 030 03 622.30 mm
Part No. : 601 030 04 622.40 mm
Tightening Torque 40 Nm + 90°
Tightening Torque 55 Nm + 90°
Page 250 of 1463
M161 ENGINE MECHANICAL 1B2-61
Removal & Installation Procedure
1. Unscrew the stretch bolt.
Installation Notice
Sectional View
1 Oil Pan
2 Cover
3 Radial Seal
4 Bolt
5 Crankshaft
6 Dowel Pin
7 Washer (Thickness : 3.5 mm)
8 Washer
9 Bolt
10 Front Drive Plate
11 Rear Drive Plate
12 Rivet
13 Segment
14 Ring Gear
lReplace the bolt when the stretch side diameter (d) of
the flywheel mounting bolt is less than 8.0mm.
lFor the stretch bolt tightening, keep the socket wrench
and Tommy-bar to be 90° and tighten as specified.
2. Remove the flywheel for manual transmission vehicles,
or the driven plate (3), and plate (2) for Auto. transmission
vehicle.
3. Installation should follow the removal procedure in the
reverse order.Tightening Torque1st step 45 Nm
2nd step90°+5°
Page 251 of 1463
1B2-62 M161 ENGINE MECHANICAL
CAMSHAFT ADJUSTER
1 Bolt (M6 X 16, 3 pieces)......................... 9-11 Nm
2 Cylinder Head Front Cover
3 Bolt........................................................... 35 Nm
4 Armature
5 Roll Pin
6 Nut (M20 X 1.5)....................................60-70 Nm
7 Seal Cover
8 Camshaft Sprocket
9 Adjust Piston
10 Conical Spring11 Flange Bolt
(M7 X 13, 3 pieces).................1st Step 20±2 Nm
2nd Step 90° ± 5° Rotation Added
12 Flange Shaft
13 Compression Spring
14 Control Piston
15 Circlip
16 Oil Gallery
17 Straight Pin
18 Intake Camshaft
Y49 Magnetic Actuator (2-pin connector)
Page 257 of 1463
1B2-68 M161 ENGINE MECHANICAL
7. Remove the bearing cap, and remove the intake and the
exhaust camshaft.
Installation Notice
Tightening Torque 22.5 - 27.5 Nm
Notice
Check the numbers on the bearing cap not to be miked
up.
8. Apply the engine oil on the valve tappet and camshaft
bearing.
9. Installation should follow the removal procedure in the
reverse order.
Notice
lBase circle of cam should cantact with the valve tappet.
lInstall the camshaft bearing caps according to the
numbers on the cylinder head cast and bearing cap.
10. Check the camshaft timing position.