Page 36 of 1574
1A3-2 GENERAL ENGINE INFORMATION
OM 662 LA720 - 820 135 - 1438.0 - 9.5
Forced by Gear Pump
Combined Full-Flow and Partial Flow Filter
Diesel
Application
Idle Speed (rpm)Fuel Injection Pressure (bar)Oil Capacity (liter)
Lubrication Type
Oil Filter Type Fuel ENGINE SPECIFICATIONS (Cont'd)OM661LA
750 - 850 135 - 143 6.5 - 8.0
Forced by Gear Pump
Combined Full-Flow and Partial Flow
Filter
Diesel
Page 38 of 1574

1B1-2 M162 ENGINE MECHANICALSPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS N
m
35 - 40 10 - 15 5 - 10
21 - 25 30
56 - 6650 - 60 10 - 15
41.5 - 49.522.5 - 27.522.5 - 27.5
9 - 11
9 - 11
22.5 - 27.5
9 - 11
22.5 - 27.5
10
+90 °
55
+90 °
+90 °
22.5 - 27.522.5 - 27.5 9 - 109 - 10200
+90 °
40
+90 °
45
+90 °
35
9 - 11 20
+90 °
20
+90 °
20 / + 90 °
20 / + 90 °
22.5 - 27.5
Application
Power Steering Hydraulic Lines A/C High Pressure and Liquid HoseRadiator Support Menber BoltFuel Supply and Return Hose to Fuel DistributorExhaust Manifold and Pipe
Propeller Shaft to Transmission Engine Mounting NutAlternator Carrier BoltBelt Pulley BoltSteering Pump Bolt A/C Bracket Bolt Intake Air Duct BoltIgnition Cable Cover BoltCylinder Head Cover BoltCamshaft 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 BoltVibration Damper Center Bolt Connecting Rod Bearing Cap Bolt Flywheel Stretch Bolt Amarture Bolt in Flywheel Ring and Seal Cover Nut in FlywheelSprocket Bolt to Exhaust Camshaft Camshaft Adjuster Flange Bolt Intake Flange Shaft Bolt Exhaust Camshaft Sprocket Bolt Camshaft Bearing Cap Bolt
Page 47 of 1574
M162 ENGINE MECHANICAL 1B1-11
12. Discharge the refrigerant from A/C system, and disconnectthe 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.
NoticeCompletely drain the oil.
Tightening Torque 21 - 25 Nm
Page 154 of 1574

1B2-2 M161 ENGINE MECHANICALSPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS N
m
35 - 40 10 - 15 5 - 10
21 - 25 30
56 - 6650 - 60
22.5 - 27.5 41.5 - 49.522.5 - 27.522.5 - 27.5
9 - 11
9 - 11
9 - 11
9 - 11
22.5 - 27.5
10
+90 °
55
+90 °
+90 °
22.5 - 27.522.5 - 27.5 9 - 109 - 10200
+90 °
40
+90 °
45
+90 °
35
9 - 11 20
+90 °
20
+90 °
20 / + 90 °
20 / + 90 °
22.5 - 27.5
Application
Power Steering Hydraulic Lines A/C High Pressure and Liquid HoseRadiator Support Menber BoltFuel Supply and Return Hose to Fuel DistributorExhaust Manifold and Pipe
Propeller Shaft to Transmission Engine Mounting NutAlternator Carrier BoltBelt Pulley BoltSteering Pump Bolt A/C Bracket Bolt Intake Air Duct BoltIgnition Cable Cover BoltCylinder Head Cover BoltCamshaft 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 BoltVibration Damper Center Bolt Connecting Rod Bearing Cap Bolt Flywheel Stretch Bolt Amarture Bolt in Flywheel Ring and Seal Cover Nut in FlywheelSprocket Bolt to Exhaust Camshaft Camshaft Adjuster Flange Bolt Intake Flange Shaft Bolt Exhaust Camshaft Sprocket Bolt Camshaft Bearing Cap Bolt
Page 164 of 1574
1B2-12 M161 ENGINE MECHANICAL
12. Discharge the refrigerant from A/C system, and disconnectthe 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.
NoticeCompletely drain the oil.
Tightening Torque 21 - 25 Nm
Page 357 of 1574

1B3-92 OM600 ENGINE MECHANICAL
28. Remove the connecting rod bearing cap.
29. Install the piston.
30. Rotate the crankshaft by hand and check whether it rotatessmoothly.
31. If the bearings are damaged,
- replace the oil presser relief valve. - clean the oil pump and oil filter housing carefully and
replace the hose if necessary. Notice After assembling the engine, check the camshaft timing, adjust the start of fuel injection and check the TDC sensorbracket setting.
32. Fill oil and run the engine and then check the oil pressure and oil level. Notice Install the original oil filter element and then change the engine oil and oil filter element after 1,000 - 1,500km.
27. Measure the radial clearance (L) of the connecting rod
bearing. Example) Measured value ‘J’ = 47.700mm
Measured value ‘K’ = 47.653mm
Clearance ‘L’ = 0.047mm
Radial Clearance ‘L’0.026 - 0.068mm
Notice If the clearance is out of standard, adjust the radial clearance of connecting rod bearing by replacing theconnecting rod bearing shells.
26. Measure connecting rod bearing journal diameter (K).
Notice Refer to measurement of the crankshaft bearing journal
diameter.
24. Insert the new connecting rod bearing shells into theconnecting rod and connecting rod bearing cap and tighten
the 12-sided stretch bolts (11).
25. Measure inner diameter of connecting rod bearing.
Tightening Torque 40 Nm + 90 °
Page 533 of 1574

SECTION 1F1
M162 ENGINE CONTROLS
TABLE OF CONTENTS
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 cablewill help prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless otherwisenoted.
Specifications . . . . . . . . . . . . . . . . . . . . . . . 1F1-2
Fastener Tightening Specifications . . . . . . . . 1F1-2
Special Tools . . . . . . . . . . . . . . . . . . . . . . . 1F1-3 Special Tools Table . . . . . . . . . . . . . . . . . . . . 1F1-3
Schematic and Routing Diagrams . . . . . . . 1F1-4 E32 ECU (HFM) . . . . . . . . . . . . . . . . . . . . . . 1F1-4
E32 ECU (MSE) . . . . . . . . . . . . . . . . . . . . . . 1F1-5
Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . 1F1-6
Self Diagnosis Socket Pin Numbers andDescriptions . . . . . . . . . . . . . . . . . . . . . . . . 1F1-6
Self Diagnosis Failure Code . . . . . . . . . . . . . 1F1-7
Test Box Connection . . . . . . . . . . . . . . . . . . 1F1-10
Fuel Injection System Test (MSE3.62) . . . . . 1F1-11
Ignition System Test . . . . . . . . . . . . . . . . . . 1F1-21
Idling Control and Electronic Pedal System Test . . . . . . . . . . . . . . . . . . . . . . . 1F1-26
Air Conditioner Control System Test . . . . . . 1F1-28
Fuel Pressure and Internal Leakage Test . . 1F1-29
Fuel Pump Test . . . . . . . . . . . . . . . . . . . . . . 1F1-31Injector Test . . . . . . . . . . . . . . . . . . . . . . . .
1F1-33
Maintenance and Repair . . . . . . . . . . . . . 1F1-35
On-Vehicle Service . . . . . . . . . . . . . . . . . . . . 1F1-35
ECU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1F1-35
Fuel Pressure Regulator . . . . . . . . . . . . . . 1F1-46
Fuel Distributor . . . . . . . . . . . . . . . . . . . . . . 1F1-50
Injector . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1F1-54
Fuel Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 1F1-57
Fuel Pump . . . . . . . . . . . . . . . . . . . . . . . . . 1F1-58
Purge Switchover Valve . . . . . . . . . . . . . . . 1F1-62
Vacuum System . . . . . . . . . . . . . . . . . . . . . 1F1-64
Crankshaft Position Sensor . . . . . . . . . . . . 1F1-65
Camshaft Position Sensor . . . . . . . . . . . . . 1F1-67
Hot Film Air Mass (HFM) Sensor . . . . . . . . . 1F1-69
Oxygen Sensor . . . . . . . . . . . . . . . . . . . . . . 1F1-72
Knock Sensor . . . . . . . . . . . . . . . . . . . . . . . 1F1-74
Coolant Temperature Sensor . . . . . . . . . . . 1F1-75
Accelerator Pedal Module . . . . . . . . . . . . . . 1F1-78
Page 534 of 1574
1F1-2 M162 ENGINE CONTROLSSPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
Application
Fuel Return and Supply Line Fuel Distributor Assembly Bolt
Pressure Test ConnectorFuel Inlet and Outlet LineFuel Filter Mounting Bracket Bolt Crankshaft Position Sensor Bolt Camkshaft Position Sensor BoltKnock Sensor Mounting Bolt
Coolant Temperature BoltN m
25 - 30
22.5 - 27.5 21.6 - 26.4 25 - 304 - 8
9 - 11
9 - 11
22.5 - 27.5 18 - 22