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1D3-6 OM600 ENGINE COOLING
COOLANT PUMP
Preceding Work : Removal of cooling fan
Removal of V-belt
1 Tensioning Lever
2 Gasket ................................................... Replace
3 Bolt........................................................... 10 Nm4 Belt Pulley
5 Bolt........................................................... 10 Nm
6 Coolant Pump
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OM600 ENGINE COOLING 1D3-7
Removal & Installation Procedure
1. Loose the bolts(5) and remove the pulley (4).
Installation Notice
Tightening Torque 10 Nm
2. Loose the bolts (3).
Installation Notice
Tightening Torque 10 Nm
3. Pull the tensioning lever(1) to the arrow direction.
4. Remove the coolant pump(6).
Notice
Clean gasket residues on the sealing surface of coolant
pump and replace the gasket.
5. Installation should follow the removal procedure in the
reverse order.
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 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
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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
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1D3-16 OM600 ENGINE COOLING
THERMOSTAT
1 Thermostat
2 Seal....................................................... Replace
3 Thermostat Housing Cover4 Coolant Hose
5 Bolt............................................................10Nm
Page 538 of 1463
OM600 ENGINE COOLING 1D3-17
Removal & Installation Procedure
1. Drain the coolant completely.
2. Disconnect the coolant hose(4) from the thermostat housing
cover(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.