Page 320 of 1463
1B3-18 OM600 ENGINE MECHANICAL
27. Disconnect the preheating time relay sensor plug.
28. Disconnect the coolant temperature sensor plug.
29. Disconnect the accelerator cable from the control linkage.
Installation Notice
Tightening Torque 8 - 18 Nm
30. Loosen the connection of control pressure cable (an arrow)
used in auto transmission.
Page 346 of 1463
1B3-44 OM600 ENGINE MECHANICAL
22. Remove the cable channel.
23. Disconnect the cables from the glow plug sensor and
coolant temperature sensor.
24. Remove the heater pipe bracket from the oil filter.
25. Pry off the clamp and push the heater feed pipe forward
and then pull out the pipe.
Page 362 of 1463
1B3-60 OM600 ENGINE MECHANICAL
35. Connect the wires to the coolant temperature sensor and
the glow plug sensor.
36. Replace the intake manifold gasket.
37. Install the intake manifold.
Tightening Torque 25 Nm
33. Replace the gasket and install the cylinder head cover.
Tightening Torque 10 Nm
34. Install the blow-by hose.
Page 493 of 1463
1D1-4 M162 ENGINE COOLING
DIAGNOSIS
3. Connect the special tool to the reservoir filler cap and apply
1.4 bar of pressure.
SYSTEM LEAKAGE TEST
Tools Required
124 589 15 21 00 Tester
Test Procedure
1. Loosen the cap a little and release pressure and remove
the cap.
Notice
For the risk of scalding, cap must not be opened unless the
coolant temperature is below 90°C.
2. Fill coolant up to upper edge (arrow) of reservoir.
Tester 124 589 15 21 00
4. If the pressure on the tester drops, check leakage at the all
coolant hoses and pipes and each connections. Replace
or retighten if necessary.
Page 494 of 1463
M162 ENGINE COOLING 1D1-5
MAINTENANCE AND REPAIR
ON-VEHICLE SERVICE
COOLANT DRAIN AND FILL UP
Draning & Filling up Procedure
1. Loosen the cap a little and release pressure and remove
the cap.
Notice
For the risk of scalding, the cap must not be opened unless
the coolant temperature is below 90
oC.
2. Loosen the radiator lower drain cock and drain the coolant.
Notice
Collect coolant by using a proper container.
3. Drain the coolant from the crankcase by inserting a hose
(dia. 14mm) onto the drain bolt on the side of crankcase
(exhaust manifold) and by loosening the plug.
Notice
lJust loosen the drain plug to drain the coolant and do
not remove the plug completely.
lCollect coolant by using proper container.
4. After complete draining of the coolant, remove the hose
connector to drain plug and reinstall the drain plug.
Installation Notice
5. Tighten the radiator lower drain cock.
Tightening Torque 30 Nm
Page 509 of 1463
1D2-4 M161 ENGINE COOLING
DIAGNOSIS
3. Connect the special tool to the reservoir filler cap and apply
1.4 bar of pressure.
SYSTEM LEAKAGE TEST
Tools Required
124 589 15 21 00 Tester
Test Procedure
1. Loosen the cap a little and release pressure and remove
the cap.
Notice
For the risk of scalding, cap must not be opened unless the
coolant temperature is below 90°C.
2. Fill coolant up to upper edge (arrow) of reservoir.
Tester 124 589 15 21 00
4. If the pressure on the tester drops, check leakage at the all
coolant hoses and pipes and each connections. Replace
or retighten if necessary.
Page 510 of 1463
M161 ENGINE COOLING 1D2-5
MAINTENANCE AND REPAIR
ON-VEHICLE SERVICE
COOLANT DRAIN AND FILL UP
Draning & Filling up Procedure
1. Loosen the cap a little and release pressure and remove
the cap.
Notice
For the risk of scalding, the cap must not be opened unless
the coolant temperature is below 90oC.
2. Loosen the radiator lower drain cock and drain the coolant.
Notice
Collect coolant by using a proper container.
3. Drain the coolant from the crankcase by inserting a hose
(dia. 14mm) onto the drain bolt on the side of crankcase
(exhaust manifold) and by loosening the plug.
Notice
lJust loosen the drain plug to drain the coolant and do
not remove the plug completely.
lCollect coolant by using proper container.
Page 518 of 1463
M161 ENGINE COOLING 1D2-13
Removal & Installation Procedure
1. Drain the coolant.
2. Remove the de-aeration hose (4), coolant outlet hose (5)
and coolant bypass hose (6).
3. Disconnect the coolant temperature sensor connector.
4. Unscrew the bolt (1c) and pry off the tensioning device shock
absorber (7).
Installation Notice
6. Replace the O-ring with new one.
7. Installation should follow the removal procedure in the
reverse order.
8. Check for leaks in cooling system. 5. Unscrow the bolts (1a, 1b) and remove the engine
hanger bracket and thermostat housing.
Installation Notice
Tightening Torque9 - 11 Nm
22.5 - 27.5 Nm
(1a)
(1b)
Tightening Torque 22.5 - 27.5 Nm