Page 529 of 1463
1D3-8 OM600 ENGINE COOLING
COOLANT PUMP HOUSING
Preceding Work : Removal of coolant pump
Removal of thermostat
Removal of alternator
1 Gasket ................................................... Replace
2 Coolant Pump Housing
3 Connector
4 Bolt........................................................... 10 Nm5 Coolant Hose
6 Return Pipe
7 O-Ring
8 Temperature Sensor
Notice
The bolt on the arrow should be installed last.
Page 530 of 1463
OM600 ENGINE COOLING 1D3-9
Removal & Installation Procedure
1. Disconnect the connector(3).
2. Separate the coolant hose (5) and return pipe(6).
3. Remove the bolts(4) evenly.
Installation Notice
Tightening Torque 10 Nm
Notice
Clean gasket residues on the sealing surface of coolant
pump and replace the gasket.
4. Remove the coolant pump housing(2).
5. Installation should follow the removal procedure in the
reverse order.
Page 531 of 1463
1D3-10 OM600 ENGINE COOLING
COOLING FAN CLUTCH
1 Belt Pulley
2 Cooling Fan Clutch
3 Cooling Fan4 Socket Bolt................................................ 45 Nm
5 Socket Bolt................................................ 10 Nm
Tools Required
603 589 00 40 00 Counter Holder
Page 532 of 1463
OM600 ENGINE COOLING 1D3-11
Removal & Installation Procedure
1. Hold the bolt pulley with counter holder and remove the
bolt(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 533 of 1463
1D3-12 OM600 ENGINE COOLING
RADIATOR
Preceding : Removal of cooling fan shroud
1 Radiator Inlet Hose...............OM662LA : 220mm
.............................................OM661LA : 321mm
2 Radiator outlet Hose
3 Radiator Deaeration Tube & Hose
4 Clamp5 Spring Clamp
6 Bolt..........................................................3-7 Nm
7 Radiator
8 Spring Clamp
9 Bolt...........................................................3-7Nm
Page 534 of 1463
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 TorqueHose : 29 - 40Nm
Page 535 of 1463
1D3-14 OM600 ENGINE COOLING
COOLING SUB-SYSTEM
1 Radiator
2 Cooling Fan Shroud
3 Bolt.......................................................... 3-7Nm
4 Cooling Fan Shroud
5 Radiator Deaieration Hose7 Mounting Bracket
8 Make-up Cooling Hose
9 Bolt...........................................................3-7Nm
10 Cooling Reservoir-tank Cap
11 Cooling Reservoir-tank
Page 536 of 1463
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