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
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
1B2-14 M161 ENGINE MECHANICAL
20. Disconnect following sensors connector.
lHFM sensor.
lCoolant temperature sensor.
l2 knock sensors.
lCamshaft and crankshaft sensors.
21. After removing the ignition coil cover, disconnect the ignition
coil connector.
22. Remove the harness cover and disconnect the 6 injection
valve connectors. Disconnect the main harness.
23. Separate the hose toward engine from canister purge
solenoid valve.
24. Remove the automatic transmission oil cooler line.
M161 ENGINE MECHANICAL 1B2-35
CYLINDER HEAD COVER
1 Ignition Coil Cover
2 Spark Plug Connector
3 Bolt (M6 X 45 : 4 pieces, M6 X 60 :
6 pieces)............................................. 10 ± 1 Nm4 Cylinder Head Cover
5 Gasket ................................................... Replace
1B2-36 M161 ENGINE MECHANICAL
Removal & Installation Procedure
1. Remove the intake air duct.
Installation Notice
2. Remove the ignition coil cover.
Installation Notice
3. Remove the spark plug connector and ignition cable.Notice
Release 3 screws from the ignition cover and remove the
cover for M161 Engine coil.
Tightening Torque 9 - 11 Nm
Tightening Torque 9 - 10 Nm
SECTION 1B3
OM600 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 . . . . . . . . . . . . . . . . . . . . . . . 1B3-2
Fastener Tightening Specifications . . . . . . . . 1B3-2
Special Tools . . . . . . . . . . . . . . . . . . . . . . . 1B3-4
Special Tools Table . . . . . . . . . . . . . . . . . . . . 1B3-4
Maintenance and Repair . . . . . . . . . . . . . 1B3-12
On-Vehicle Service . . . . . . . . . . . . . . . . . . . . 1B3-12
Engine Assembly . . . . . . . . . . . . . . . . . . . . 1B3-12
Poly V-Belt . . . . . . . . . . . . . . . . . . . . . . . . . 1B3-21
Tensioning Device . . . . . . . . . . . . . . . . . . . . 1B3-23
Poly V-Belt Alignment & Inspection . . . . . . . 1B3-26
Prechamber . . . . . . . . . . . . . . . . . . . . . . . . 1B3-29
Milling of Prechamber Sealing Surface . . . . 1B3-32
TDC (TDC Sensor Bracket) Setting . . . . . . 1B3-35
Cylinder Head . . . . . . . . . . . . . . . . . . . . . . . 1B3-37
Timing Case Cover . . . . . . . . . . . . . . . . . . . 1B3-63
Crankshaft End Cover . . . . . . . . . . . . . . . . 1B3-71
Vibration Damper and Hub . . . . . . . . . . . . . 1B3-74
Crankshaft Front Radial Seal . . . . . . . . . . . 1B3-80
Crankshaft Ball Bearing . . . . . . . . . . . . . . . 1B3-82
Crankshaft . . . . . . . . . . . . . . . . . . . . . . . . . 1B3-83
Flywheel . . . . . . . . . . . . . . . . . . . . . . . . . . . 1B3-93
Machining of Flywheel . . . . . . . . . . . . . . . . 1B3-97
Flywheel Ring Gear . . . . . . . . . . . . . . . . . . 1B3-98
Hydraulic Valve Clearance Compensation
Element Check . . . . . . . . . . . . . . . . . . . . 1B3-101
Valve Tappets . . . . . . . . . . . . . . . . . . . . . . 1B3-103
Valve Spring Check . . . . . . . . . . . . . . . . . 1B3-105
Valve Springs (Cylinder Head Removed) . 1B3-106
TABLE OF CONTENTS
Valve Springs (Cylinder Head Installed) . . 1B3-109
Valve Stem Seals . . . . . . . . . . . . . . . . . . . 1B3-112
Check and Replacement of
Valve Guides . . . . . . . . . . . . . . . . . . . . . 1B3-116
Valve Seat Rings . . . . . . . . . . . . . . . . . . . 1B3-122
Check and Machining of Valves . . . . . . . . 1B3-127
Machining of Valve Seat . . . . . . . . . . . . . . 1B3-132
Camshaft Timing Test . . . . . . . . . . . . . . . . 1B3-137
Camshaft . . . . . . . . . . . . . . . . . . . . . . . . . 1B3-139
Chain Tensioner . . . . . . . . . . . . . . . . . . . . 1B3-145
Timing Chain . . . . . . . . . . . . . . . . . . . . . . . 1B3-147
Tensioning Rail . . . . . . . . . . . . . . . . . . . . . 1B3-151
Cylinder Head Guide Rail . . . . . . . . . . . . . 1B3-152
Timing Case Cover Guide Rail . . . . . . . . . 1B3-156
Crankshaft Sprocket . . . . . . . . . . . . . . . . . 1B3-158
Piston . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1B3-163
Oil Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 1B3-169
Oil Pan . . . . . . . . . . . . . . . . . . . . . . . . . . . 1B3-171
Oil Spray Nozzle . . . . . . . . . . . . . . . . . . . . 1B3-174
Oil Pump . . . . . . . . . . . . . . . . . . . . . . . . . . 1B3-175
Unit Repair . . . . . . . . . . . . . . . . . . . . . . . 1B3-177
Cylinder Head Pressure Leakage Test . . . 1B3-177
Facing Cylinder Head Mating Surface . . . . 1B3-178
Replacement of Crankcase Core Plug . . . 1B3-180
Facing Crankcase Contacting Surface . . . 1B3-182
Oil Gallery Steel Ball . . . . . . . . . . . . . . . . . 1B3-183
Cylinder Bore Measurement . . . . . . . . . . . 1B3-187
SECTION 1D1
M162 ENGINE COOLING
Specifications . . . . . . . . . . . . . . . . . . . . . . . 1D1-1
General Specifications . . . . . . . . . . . . . . . . . 1D1-1
Fastener Tightening Specifications . . . . . . . . 1D1-2
Special Tools . . . . . . . . . . . . . . . . . . . . . . . 1D1-3
Special Tools Table . . . . . . . . . . . . . . . . . . . . 1D1-3
Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . 1D1-4
System Leakage Test . . . . . . . . . . . . . . . . . . 1D1-4
Maintenance and Repair . . . . . . . . . . . . . . 1D1-5
On-Vehicle Service . . . . . . . . . . . . . . . . . . . . . 1D1-5Coolant Drain and Fill Up . . . . . . . . . . . . . . . 1D1-5
Coolant Connection Fitting . . . . . . . . . . . . . . 1D1-7
Water Pump . . . . . . . . . . . . . . . . . . . . . . . . . 1D1-8
Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . 1D1-10
Oil Cooler Pipe Line . . . . . . . . . . . . . . . . . . 1D1-11
Cooling Fan and Viscous Clutch . . . . . . . . . 1D1-12
Cooling Fan Shroud . . . . . . . . . . . . . . . . . . 1D1-14
Radiator . . . . . . . . . . . . . . . . . . . . . . . . . . . 1D1-15
SPECIFICATIONS
GENERAL SPECIFICATIONS
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.
TABLE OF CONTENTS
Description
Water Cooling Forced Circulation
Double Cross Flow
70,000 kcal/h
580 x 482 x 45 mm
f 460, Six Blades
ALUTEC - P78
50 : 50
11.3 L
3.4 L
1.4 bar Application
Cooling Type
Radiator
Dimension(Width´Height´Thickeness)
Cooling Fan
Anti-Freeze Agent
Mixing Ratio of Anti-Freeze Agen with Water (Anti-Freeze Agent : Water)
Coolant Capacity
Reservoir Capacity
Cap Operating Pressure (Reservoir Tank Pressure Cap)
Circulation Type
Radiation Capability
Circulation Type
Radiation
Capability
SECTION 1D2
M161 ENGINE COOLING
Specifications . . . . . . . . . . . . . . . . . . . . . . . 1D2-1
General Specifications . . . . . . . . . . . . . . . . . 1D2-1
Fastener Tightening Specifications . . . . . . . . 1D2-2
Special Tools . . . . . . . . . . . . . . . . . . . . . . . 1D2-3
Special Tools Table . . . . . . . . . . . . . . . . . . . . 1D2-3
Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . 1D2-4
System Leakage Test . . . . . . . . . . . . . . . . . . 1D2-4
Maintenance and Repair . . . . . . . . . . . . . . 1D2-5
On-Vehicle Service . . . . . . . . . . . . . . . . . . . . . 1D2-5Coolant Drain and Fill Up . . . . . . . . . . . . . . . 1D2-5
Cooling Fan and Viscous Clutch . . . . . . . . . . 1D2-7
Coolant Pump . . . . . . . . . . . . . . . . . . . . . . . . 1D2-9
Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . 1D2-11
Thermostat Housing Assembly . . . . . . . . . . 1D2-12
Removal and Installation of Cooling
Fan Shroud . . . . . . . . . . . . . . . . . . . . . . . 1D2-14
Removal and Installation of Radiator . . . . . 1D2-15
SPECIFICATIONS
GENERAL SPECIFICATIONS
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.
TABLE OF CONTENTS
Description
Water Cooling Forced Circulation
Down Flow
61,500 kcal/h
58,000 kcal/h
680 x 415 x 25 mm
680 x 415 x 28 mm
f 460, 9 Blades
ALUTEC-P78, Dragon Power Coolant A
50 : 50
10.5 L
3.4 L
1.4 bar Application
Cooling Type
Radiator
Dimension(Width´Height´Thickeness)
Cooling Fan
Anti-Freeze Agent
Mixing Ratio of Anti-Freeze Agen with Water (Anti-Freeze Agent : Water)
Coolant Capacity
Reservoir Capacity
Cap Operating Pressure (Reservoir Tank Pressure Cap)