Page 494 of 1574
OM600 ENGINE COOLING 1D3-11
Removal & Installation Procedure
1. Hold the bolt pulley with counter holder and remove thebolt(4).
Counter Holder 603 589 00 40 00
Installation Notice
Tightening Torque 45 Nm
2. Remove the socket bolt(5) and then remove the cooling fan(3) and fan clutch(2). Notice
Keep the fan clutch vertically. Installation Notice
Tightening Torque 10 Nm
3. Installation should follow the removal procedure in the reverse order.
Page 496 of 1574
OM600 ENGINE COOLING 1D3-13
Removal & Installation Procedure
1. Drain coolant from the radiator.
2. Remove the coolant thermoswich connector from radiator.
3. Remove the each coolant hose.
4. Remove the auto T/M oil cooling hose and cooling line.Installation Notice
5. Loosen the radiator upper mounting bolt and remove the mounting stopper and insulator.
6. Remove the radiator.
7. Check the radiator pin for crack, leakage and bending and replace it if necessany.
8. Installation should follow the removal procedure in the reverse order.
Tightening Torque Hose : 29 - 40Nm
Page 498 of 1574
OM600 ENGINE COOLING 1D3-15
Removal & Installation Procedure Cooling Fan Shroud
1. Remove the radiator deaeration hose and tube.Installation Notice
Tightening Torque 3 - 7 Nm
Tightening torque 3-7Nm
2. Check the shroud.
3. Installation should follow the removal procedure in the reverse order.
Coolant Sub-Tank
1. Drain the coolant from radiator.
2. Remove the each hose.
3. Loosen the mounting bolt of sub-tank and remove the coolant sub-tank. Installation Notice
4. Installation should follow the removal procedure in the reverse order.
Tightening Torque 3 - 7 Nm
Page 500 of 1574
OM600 ENGINE COOLING 1D3-17
Removal & Installation Procedure
1. Drain the coolant completely.
2. Disconnect the coolant hose(4) from the thermostat housingcover(3).
3. Remove the bolts(5) and then remove the thermostat(1) and housing cover(3) Installation Notice Align the groove on thermostat and the housing cover rib(arrow).
Tightening Torque 10 Nm
Notice Replace the seal(2).
4. Installation should follow the removal procedure in the reverse order.
Page 504 of 1574
1E1-4 M162 ENGINE ELECTRICALMAINTENANCE AND REPAIR
ON-VEHICLE SERVICE
ALTERNATOR Preceding Work : Removal of the drivebelt Removal & Installation Procedure
1. Disconnect the negative battery terminal.
2. Unscrew the nut and disconnect the terminal (1). Installation Notice
1 Terminal (B+)
2 Terminal (D+)
3 Combination Bolt
4 Alternator
3. Unscrew the nut and disconnect the terminal (2).Installation Notice
Tightening Torque 14 - 18 Nm
4. Unscrew the combination bolt (3). Installation Notice
Tightening Torque 4 - 5 Nm
5. Remove the alternator.
6. Installation should follow the removal procedure in the reverse order.
Tightening Torque 42 - 50 Nm
Page 505 of 1574
M162 ENGINE ELECTRICAL 1E1-5
3 Fixing Bolt
4 Starting Motor
4. Unscrew the mounting bolts (3) of starting motor.
Installation Notice
5. Remove the starting motor.
6. Installation should follow the removal procedure in the reverse order.
Tightening Torque 35 - 48 Nm
STARTING MOTOR Removal & Installation Procedure
1. Disconnect the ground cable.
2. Unscrew the nut and disconnect the battery cable(1).
Installation Notice
1 Battery Cable
2 Engine Electric Wire
3. Unscrew the nut and disconnect the engine electric wire
(2). Installation Notice
Tightening Torque 12 - 15 Nm
Tightening Torque 6 - 7 Nm
Page 508 of 1574
1E1-8 M162 ENGINE ELECTRICAL
Tools Required 120 589 09 00 Spark Plug Wrench Replacement Procedure
1. Remove the seven bolts (2) and remove the ignition cablecover. Installation Notice
Tightening Torque 9 - 11 Nm
Tightening Torque 9 - 11 Nm
Tightening Torque 9 - 11 Nm
2. Remove the two bolts (M6 X 25) from each ignition cableand remove the ignition cable. Installation Notice
3. Remove the spark plug using the special tool. Installation Notice
Spark Plug Wrench 120 589 02 09 00
Page 510 of 1574

1E1-10 M162 ENGINE ELECTRICAL Functions
1. Firing order : 1-5-3-6-2-4
2. The ignition cables are located on the cylinder head cover.Each ignition coil provides the high voltage to two spark
plugs simultaneously.
- T1/1 : cylinder 2 and 5
- T1/2 : cylinder 3 and 4
- T1/3 : cylinder 1 and 6
Removal & Installation Procedure
1. Disconnect the negative battery cable (1).
2. Remove the ignition cable connector from the ignition cable.
3. Disconnect the secondary spark plug connectors from the each spark plugs and remove the ignition cable. Installation Notice
3. The secondary output voltage (5a) is supplied to the No.2
cylinder spark plug through the spark plug connector. The secondary output voltage (5b) is supplied to the No.5 cylinderspark plug through the ignition cable. The guide pin (W)acts as a ground while the ignition cable is operated.
Make sure that the ignition cables are correctly routed.
Exactly install the ignition cable guide pin into the vehicle
to be grounded.
4. Installation should follow the removal procedure in the reverse order.
Tightening Torque 9 - 11 Nm