Page 497 of 1463
1D1-8 M162 ENGINE COOLING
WATER PUMP
Preceding Work : Removal of V-belt
Removal of air admission housing
1 Air Admission Housing
2 Oil Cooler Pipe Line
3 Seal....................................................... Replace
4 Bolt........................................................9-11 Nm
5 Coolant Hose
6 Coolant Hose
7 Outlet Coolant Hose8 Coolant Hose
9 Inlet Coolant Hose
10 Coolant Pump
1 1 Bolt........................................................... 21 Nm
12 Dowel Sleeve
1 3 Seal....................................................... Replace
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M162 ENGINE COOLING 1D1-9
Removal & Installation Procedure
1. Drain the coolant.
2. Disconnect the coolant pump wire connector.
3. Loosen the hose clip and dsconnect all hoses from the
coolant pump
4. Remove the coolant line bolts (4) and then remove the
coolant line (2).
Installation Notice
Notice
Replace the seal (3).
5. Remove the mounting bolts (11) and carefully pull out
coolant pump (10).
Installation Notice
Tightening Torque 9 - 11 Nm
Notice
Replace the seal (13).
Tightening Torque 21 Nm
6. Installation should follow the removal procedure in the
reverse order.
7. Fill up coolant.
8. Do coolaing system leakage test
Page 499 of 1463
1D1-10 M162 ENGINE COOLING
THERMOSTAT
Removal & Installation Procedure
1. Drain the coolant from the radiator.
2. Loosen the hose mounting clamp (6) and remove the heater
hose (7).
3. Unscrew the three bolts (5) and remove the thermostat cover
bracket, thermostat cover and the thermostat in order.
Installation Notice 1 Thermostat Cover
2 Thermostat
3 O-ring
4 Thermostat Cover Bracket5 Bolt (M6 X 25, 3 pieces).........................9-11 Nm
6 Hose Mounting Clamp
7 Heater Hose
Do not separate the thermostat cover and thermostat.
4. Replace the O-ring if necessary.
5. Check the leakage in the cooling system.
Tightening Torque 9 - 11 Nm
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M162 ENGINE COOLING 1D1-11
OIL COOLER PIPE LINE
Preceding Work : Removal of upper intake manifold
Tightening Torque 9 - 11 Nm 1 Upper Intake Manifold
2 Bolt (M6 X 35, 1 piece)...........................9-11 Nm
3 Bolt (M6 X 16, 2 pieces).........................9-11 Nm4 Oil Cooler Pipe Line
5 O-ring .................................................... Replace
Removal & Installation Procedure
1. Drain the coolant.
2. Unscrew the bolts (2, 3) and remove the oil cooler pipe line (4).
Replace the O-ring with new one.
Installation Notice
3. Installation should follow the removal procedure in the
reverse order.
4. Fill up the coolant as specified.
5. Check the leaks in the cooling system.
Page 501 of 1463
1D1-12 M162 ENGINE COOLING
COOLING FAN AND VISCOUS CLUTCH
Preceding Work : Removal of cooling fan shroud
1 Cooling Fan Pulley
2 Viscous Clutch
3 Cooling Fan4 Bolt (M6 X 12, 4 pieces).........................9-11 Nm
5 Bolt (M10 X 45, 1 piece).................40.5-49.5 Nm
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M162 ENGINE COOLING 1D1-13
Tools Required
603 589 00 40 00 Counter Holder
Removal & Installation Procedure
1. Hold the cooling fan pulley using the counter holder (special
tool : 603 589 00 40 00) and remove the cooling fan after
unscrewing the four bolts (4).
Installation Notice
2. Remove the bolt (5) from the viscous clutch and remove
the viscous clutch from the cooling fan pulley.
Installation Notice
Tightening Torque 9 - 11 Nm
Tightening Torque 40.5 - 49.5 Nm
3. Installation should follow the removal procedure in the
reverse order.
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1D1-14 M162 ENGINE COOLING
COOLING FAN SHROUD
Removal & Installation Procedure
1. Pull out the 2 clips (1) from the fan shroud assembly.
2. Remove the lower fan shroud (2).
Notice
For installation, exactly align the lower fan shroud pin into
the hole of the fan shroud assembly (4) and insert the
clips.
3. Remove the bolts (3) and then remove the cooling fan
shroud assembly (4). 1 Clip
2 Lower Fan Shroud
3 Bolt
Installation Notice
4. Installation should follow the removal procedure in the
reverse order.
Tightening Torque 7 Nm4 Fan Shroud Assembly
5 Radiator
Page 504 of 1463
M162 ENGINE COOLING 1D1-15
RADIATOR
Preceding Work : Removal of cooling fan shroud
1 Radiator Inlet Coolant Hose
2 Radiator Outlet Coolant Hose
3 Make Up Coolant Hose
4 Automatic Transmission Oil Cooling Hose
5 Automatic Transmission Oil Cooling Line6 Bolt
7 Insulator
8 Stopper
9 Bolt............................................................. 7 Nm
10 Radiator