Page 147 of 1463
1B1-74 M162 ENGINE MECHANICAL
4. Lightly apply the grease to the seal (2) and install the screw
plug (1).
Installation Notice
Sectional View
1 Screw Plug
2 Ball (Nonreturn Valve)
3 Compression Spring
4 Ball Guide
5 Seal (Aluminum)
6 Filler Pin
7 Compression Spring
8 Snap Ring
9 Thrust Pin
10 Ball (Nonreturn Valve)
11 Compression Spring
12 Thrust Piece13 Chain Tensioner Housing
1 4 Seal
15 Timing Gear Case Cover
16 Cylinder Head
17 Bolt / Washer
18 Tensioning Rail
19 Cylinder Head Gasket
20 Timing Chain
21 Tensioning Rail Base (Sliding Surface)
A Oil Supply Hole
B Chain Tensioner Oil Storage Hole 5. Check for leaks by operating the engine.
Tightening Torque 40 Nm
Page 156 of 1463
M162 ENGINE MECHANICAL 1B1-83
CRANKSHAFT SPROCKET
Preceding Work : Removal of oil pan
Removal of tensioning rail
Removal of crank case guide rail
6 Bolt (M8 x 20, 1 piece) / Washer..........29-35 Nm
7 Oil Pump Sprocket
8 Oil Pump
9 Oil Pump Roller Chain
10 Timing Chain 1 Oil Pump Chain Tensioner
2 Oil Pump Chain Bushing
3 Oil Pump Chain Spring
4 Crankshaft Sprocket
5 Key
Page 157 of 1463
1B1-84 M162 ENGINE MECHANICAL
Tools Required
615 589 01 33 00 Puller
Removal & Installation Procedure
1. Put the assembly mark at the crankshaft sprocket (4) and
the timing chain (10) with the paint (arrow).
Installation Notice
Align the assembly marks on cranshaft sprocket and timing
chain. Also, align the assembly marks on camshaft sprocket
and timing chain when installing.
2. Unscrew the bolt (6) and remove the oil pump sprocket (7)
from the oil pump.
Installation Notice
Puller (04) 615 589 01 33 00
3. Remove the oil pump roller chain (9).
4. Remove the oil pump chain tensioner (1), oil pump chain
bushing (2), and the oil pump chain spring (3).
5. Remove the crankshaft sprocket (4) using the puller (04,
special tool).
Notice
lMake sure not to lose the crankshaft pulley key(5) when
removing.
lInstall the crankshaft sprocket(4) after warming it up.
6. Installation should follow the removal procedure in the
reverse order.
Tightening Torque 29 - 35 Nm
Page 158 of 1463
M162 ENGINE MECHANICAL 1B1-85
PISTON
Preceding Work : Removal of engine
Removal of cylinder head
Removal of oil pan
Removal of oil pump
Removal of baffle plate
1 Connecting Rod Bearing Cap
2 Connecting Rod
3 Connecting Rod Bolt (M9 x 52, 12 pieces)
....................................................1st step 40 Nm
2nd step 90° + 5°4 Piston
5 Snap Ring
6 Piston Pin
Page 160 of 1463
M162 ENGINE MECHANICAL 1B1-87
1. Check the piston ring gap and apply the engine oil to the
piston pin and the connecting rod bushing.
2. Connect the piston and the connecting rod by pressing in
the piston pin (6) and install the snap ring to the groove.
3. Clean the cylinder bore, connecting rod bearing journal,
connecting rod bearing shell and the piston and coat them
with engine oil.
4. Install the piston ring using the tensioning strap(000 589
04 14 00).
5. Install the piston so that the arrow on the piston head faces
to the forward of the vehicle.
6. After aligning the connecting rod and the bearing cap mark
(// or a number), tighten the bolts.
Installation Notice
Tightening Torque1st step 35 - 45 Nm
2nd step 90° + 5°
Apply the engine oil to the bearing cap upper and lower
bearing shells.
7. Check if the crankshaft rotates without any trouble by rotating
it.
Page 161 of 1463

1B1-88 M162 ENGINE MECHANICAL
CONNECTING ROD
Preceding Work : Removal of piston
1 Connecting Rod Bushing
2 Oil Gallery
3 Balance Weight
4 Connecting Rod Bolt
(M9 x 52, 12 m pieces) .. 1st step 40+5 Nm
2nd step 90°+10°
5 Fit Sleeve
6 Upper Connecting Rod Bearing
7 Lower Connecting Rod Bearing
8 BearingShell Lug
9 Marking [Indication(//) or Numbers]
Service Data Standard
Distance (L) from The Connecting Rod Bearing Bore Center to The Bushing Bore Center
Width of The Connecting Rod (B) at Bearing Bore
Width of The Connecting Rod (b) at Bushing Bore
Basic Bore at The Bearing Shell (D1)
Basic Bore at The Bushing (d1)
Bushing Inner Diameter (d)
Clearance Between The Piston Pin and The Bushing
Peak-to-valley Height of Connecting Rod Bushing on Inside
Permissible Wwist of Connecting Rod Bearing Bore to Connecting Rod Bushing Bore
Permissible Deviation of Axial Paralleism of Connecting Rod Bearing Bore to Connecting
Rod Bushing Core
Permissible Deviation of Connecting Rod Bearing Bore from Concentricity
Permissible Difference of Each Connecting Rod in Weight145 ± 0.05 mm
21.940 - 22.000 mm
21.940 - 22.000 mm
51.600 - 51.614 mm
24.500 - 24.571 mm
22.007 - 22.013 mm
0.007 - 0.018 mm
0.005 mm
0.15 mm
0.07 mm
0.01 mm
0.4 g
Page 163 of 1463
1B1-90 M162 ENGINE MECHANICAL
PISTON RING
Preceding Work : Removal of piston
1 Piston Compression Ring
2 Piston Compression Ring
3 Piston Oil Ring
4-
5 Coil Spring and Control Ring
6 Hook Spring
Notice
If out of specification, replace the piston ring. Tools Required
000 589 51 37 00 Clamping Strap
Replacement Procedure
1. Measure the piston ring’s gap.
Gap Between
The Piston and
The Piston Ring
Groove 1 0.20 - 0.40 mm
Groove 2 0.20 - 0.40 mm
Groove 3 0.20 - 0.45 mm
Groove 1 0.015 - 0.050 mm
Groove 2 0.020 - 0.040 mm
Groove 3 0.010 - 0.045 mmEnd Gap of The
Piston Ring
Page 164 of 1463
M162 ENGINE MECHANICAL 1B1-91
2. Remove the piston ring with a pliers.
3. For installation, position the piston ring to be the ‘TOP’ mark
on the piston ring upward and arrange the piston ring ends
to be 120° apart.
4. Adjust the hook spring joint in the oil ring 180° away from
the ring end.
Clamping Strap 000 589 51 37 00