Page 99 of 1463
1B1-26 M162 ENGINE MECHANICAL
Poly V-Belt Arrangement
1 Belt Tensioning Pulley
2 Crankshaft Belt Pulley
3 A/C Compressor Pulley
4 Cooling Fan Pulley5 Alternator Pulley
6 Idler
7 Power Steering Pump Pulley
8 Cooling Fan and Water Pump Pulley
Page 190 of 1463

SECTION 1B2
M161 ENGINE MECHANICAL
CAUTION: Disconnect the negative battery cable before removing or installing any electrical unit or when a
tool or equipment could easily come in contact with exposed electrical terminals. Disconnecting this cable
will help prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless otherwise
noted.
Specifications . . . . . . . . . . . . . . . . . . . . . . . 1B2-2
Fastener Tightening Specifications . . . . . . . . 1B2-2
Special Tools . . . . . . . . . . . . . . . . . . . . . . . 1B2-4
Special Tools Table . . . . . . . . . . . . . . . . . . . . 1B2-4
Maintenance and Repair . . . . . . . . . . . . . . 1B2-9
On-Vehicle Service . . . . . . . . . . . . . . . . . . . . . 1B2-9
Engine Assembly . . . . . . . . . . . . . . . . . . . . . 1B2-9
Crankcase Ventilation System . . . . . . . . . . 1B2-17
Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . 1B2-21
Power Steering Pump and A/C Bracket . . . 1B2-22
Hydraulic Engine Mounting Insulator . . . . . . 1B2-25
Poly V-Belt . . . . . . . . . . . . . . . . . . . . . . . . . 1B2-28
Tensioning Deivce . . . . . . . . . . . . . . . . . . . . 1B2-30
Tensioning Device Shock Absorber . . . . . . 1B2-31
Poly V-Belt Inspection . . . . . . . . . . . . . . . . . 1B2-32
Cylinder Head Cover . . . . . . . . . . . . . . . . . 1B2-35
Cylinder Head Front Cover . . . . . . . . . . . . . 1B2-37
Cylinder Head . . . . . . . . . . . . . . . . . . . . . . . 1B2-39
Timing Gear Case Cover . . . . . . . . . . . . . . 1B2-44
Crankshaft Sealing Rear Cover . . . . . . . . . 1B2-47
Belt Pulley and Vibration Damper . . . . . . . . 1B2-49
Crankshaft Front Radial Seal . . . . . . . . . . . 1B2-52
Crankshaft Rear Radial Seal . . . . . . . . . . . 1B2-53
Crankshaft . . . . . . . . . . . . . . . . . . . . . . . . . 1B2-54
Flywheel/Driven Plate . . . . . . . . . . . . . . . . . 1B2-60
Camshaft Adjuster . . . . . . . . . . . . . . . . . . . 1B2-62
TABLE OF CONTENTS
Camshaft Sprocket Bolt . . . . . . . . . . . . . . . 1B2-65
Camshaft . . . . . . . . . . . . . . . . . . . . . . . . . . 1B2-66
Camshaft Timing Position . . . . . . . . . . . . . . 1B2-69
Valve Spring . . . . . . . . . . . . . . . . . . . . . . . . 1B2-72
Valve Stem Seal . . . . . . . . . . . . . . . . . . . . . 1B2-76
Chain Tensioner . . . . . . . . . . . . . . . . . . . . . 1B2-77
Timing Chain . . . . . . . . . . . . . . . . . . . . . . . . 1B2-80
Tensioning Rail . . . . . . . . . . . . . . . . . . . . . . 1B2-85
Cylinder Head Guide Rail . . . . . . . . . . . . . . 1B2-86
Crankcase Guide Rail . . . . . . . . . . . . . . . . . 1B2-87
Crankshaft Sprocket . . . . . . . . . . . . . . . . . . 1B2-88
Piston . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1B2-90
Connecting Rod . . . . . . . . . . . . . . . . . . . . . 1B2-93
Piston Ring . . . . . . . . . . . . . . . . . . . . . . . . . 1B2-95
Oil Pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1B2-97
Engine Oil and Oil Filter Element . . . . . . . . 1B2-99
Oil Pump . . . . . . . . . . . . . . . . . . . . . . . . . 1B2-101
Oil Pressure Relief Valve . . . . . . . . . . . . . 1B2-103
Oil Non-Return Valve . . . . . . . . . . . . . . . . 1B2-104
Oil Dipstick Guide Tube . . . . . . . . . . . . . . 1B2-105
Unit Repair . . . . . . . . . . . . . . . . . . . . . . . 1B2-106
Core Plugs in Crankcase . . . . . . . . . . . . . 1B2-106
Cylinder Bore . . . . . . . . . . . . . . . . . . . . . . 1B2-108
Crankcase Mating Surface . . . . . . . . . . . . 1B2-110
Cylinder Head Mating Surface . . . . . . . . . 1B2-112
Page 191 of 1463

1B2-2 M161 ENGINE MECHANICAL
SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
N
· ·· ·
·m
35 - 40
10 - 15
5 - 10
21 - 25
30
56 - 66
50 - 60
22.5 - 27.5
41.5 - 49.5
22.5 - 27.5
22.5 - 27.5
9 - 11
9 - 11
9 - 11
9 - 11
22.5 - 27.5
10
+90°
55
+90°
+90°
22.5 - 27.5
22.5 - 27.5
9 - 10
9 - 10
200
+90°
40
+90°
45
+90°
35
9 - 11
20
+90°
20
+90°
20 / + 90°
20 / + 90°
22.5 - 27.5Application
Power Steering Hydraulic Lines
A/C High Pressure and Liquid Hose
Radiator Support Menber Bolt
Fuel Supply and Return Hose to Fuel Distributor
Exhaust Manifold and Pipe
Propeller Shaft to Transmission
Engine Mounting Nut
Alternator Carrier Bolt
Belt Pulley Bolt
Steering Pump Bolt
A/C Bracket Bolt
Intake Air Duct Bolt
Ignition Cable Cover Bolt
Cylinder Head Cover Bolt
Camshaft Adjuster Bolt
Cylinder Head Front Cover Bolt
Flange Bolt in Exhaust Camshaft Sprocket
Cylinder Head Bolt
Cooling Fan Bracket Bolt
Timing Gear Case Cover Bolt M8
M6
Crankshaft Rear Cover Bolt
Vibration Damper Center Bolt
Connecting Rod Bearing Cap Bolt
Flywheel Stretch Bolt
Amarture Bolt in Flywheel
Ring and Seal Cover Nut in Flywheel
Sprocket Bolt to Exhaust Camshaft
Camshaft Adjuster Flange Bolt
Intake Flange Shaft Bolt
Exhaust Camshaft Sprocket Bolt
Camshaft Bearing Cap Bolt
Page 201 of 1463
1B2-12 M161 ENGINE MECHANICAL
12. Discharge the refrigerant from A/C system, and disconnect
the discharge pipe and suction pipe from the compressor.
14. Remove the fuel feed and return line.
Notice
Before removing the fuel lines, release the pressure in the
fuel system.
Installation Notice 13. Remove the acceleration control cable and automatic
transmission pressure cable. 11. Remove the hydraulic pipe of power steering.
Notice
Completely drain the oil.
Tightening Torque 21 - 25 Nm
Page 211 of 1463
1B2-22 M161 ENGINE MECHANICAL
POWER STEERING PUMP AND A/C BRACKET
Preceding Work : Removal of cooling fan and shroud
Removal of drive belt
1 Nut .................................................35.2-28.8 Nm
2 Washer
3 Belt Pulley
4 Bolt (M8 X 91, 2 pieces).................22.5-27.5 Nm
5 Power Steering Pump
6 Bracket
7 Washer
8 Bolt (M8 X 20, 2 pieces).................22.5-27.5 Nm9 Washer
10 Bolt (M8 X 105,4 pieces)................22.5-27.5 Nm
11 A/C Compressor
12 Bolt (M8 X 50, 5 pieces, M8 X 80,
5 pieces)........................................22.5-27.5 Nm
13 A/C Bracket
14 Vent Hose
15 Bracket Gasket...................................... Replace
Page 212 of 1463
M161 ENGINE MECHANICAL 1B2-23
Removal & Installation Procedure
1. Remove the belt pulley after removal of poly v-belt.
Installation Notice
2. Disconnect the hydraulic pipe of the power steering pump
and drain the oil.
3. Unscrew the bolts (arrows) and remove the steering pump.
Installation Notice Notice
Pull the tensioning pulley counterclockwise as shown in the
figure.
4. Remove the compressor after disconnecting the wiring
connector and refrigerant pipe of A/C compressor.
Notice
Discharge all the refrigerant before removing the pipes.
Tightening Torque 40.5 - 49.5 Nm
Tightening Torque 22.5 - 27.5 Nm
Page 218 of 1463
M161 ENGINE MECHANICAL 1B2-29
Poly V-belt Arrangement
1 Belt Tensioning Pulley
2 Crankshaft Belt Pulley
3 A/C Compressor Pulley5 Alternator Pulley
7 Power Steering Pump Pulley
8 Water Pump Pulley
Page 234 of 1463

M161 ENGINE MECHANICAL 1B2-45
Tools Required
001 589 72 21 00 Torque Wrench
116 589 2 0 33 00 Sliding Hammer
116 589 01 34 00 Threaded Bolt
Removal & Installation Procedure
1. Remove the power steering belt pulley and A/C compressor
bracket.
2. Remove the oil line from power steering pump.
3. Rotate the crankshaft so that the piston of number, cylinder
is at ATDC20°
Sliding Hammer 116 589 20 33 00
Threaded Pin 116 589 02 34 00
4. Put the alignment marks (arrows) on the timing chain and
camshaft sprocket.
5. Remove the chain tensioner.
Installation Notice
Tightening Torque 78 - 88 Nm
6. Remove the intake and exhaust camshaft sprocket
(remove the camshaft adjuster assembly in E23 engine).
Installation Notice
Tightening Torque1st step 18 - 22 Nm
2nd step 85° - 95°
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 (02)
and the threaded pin (03).
Notice
Apply the sealant on guide rail pin when installation.