Page 146 of 2053
1D1 -- 10 M162 ENGINE COOLING
D AEW OO M Y_2000
THERMOSTAT
1 Thermostat Cover
2 Thermostat
3O--ring
4 Thermostat Cover Bracket5 Bolt (M6 X 25, 3 pieces)
9--11 NSm (80-- 97 lb-in) .....................
6 Hose Mounting Clamp
7HeaterHose
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 thermo-
stat cover bracket, thermostat cover and the thermo-
stat in order.
Installation Notice
Tightening Torque
9--11NSm (80 -- 97 lb-in)
Do not separate the thermostat cover and thermo-
stat.
4. Replace the O -- ring if necessary.
5. Check the leakage in the cooling system.
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1D1 -- 14 M162 ENGINE COOLING
D AEW OO M Y_2000
COOLING FAN SHROUD
1 Clip
2 Lower Fan Shroud
3Bolt4 Fan Shroud Assembly
5Radiator
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).
Installation Notice
Tightening Torque
3--7NSm (27 -- 62 lb-in)
4. Installation should follow the removal procedure in
the reverse order.
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M162 ENGINE COOLING 1D1 -- 15
D AEW OO M Y_2000
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 Line
5 Automatic Transmission Oil Cooling Line4Bolt 3--7NSm (27-- 62 lb-in) ..................
7 Insulator
8 Stopper
4Bolt 7NSm (62 lb-in) .......................
10 Radiator
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1D1 -- 16 M162 ENGINE COOLING
D AEW OO M Y_2000
Removal & Installation Procedure
1. Drain coolant from the radiator.
2. Remove the coolant thermo connector from the ra-
diator.
3. Remove the each coolant hoses.
4. Remove the upper and lower automatic transmis-
sion fluid cooler pipes from radiator.
Installation Notice
Tightening Torque
20 NSm (15 lb-ft)
5. Remove the mounting bolt (9) from the automatic
transmission radiator tube assembly (5) and then
disconnect the tube assembly (5).
Installation Notice
Tightening Torque
7NSm(62lb-in)
6. Remove the mounting bolt (6) on the radiator brack-
et (8) and take off the bracket (8) and insulator (7).
Installation Notice
Tightening Torque
3--7NSm (27 -- 62 lb-in)
7. Remove the radiator (10).
8. Check the radiator pin for crack, damage, leakage
and bending and replace it if necessary.
9. Installation is reverse order of removal.
10. Check for leakage in the cooling system.
Page 301 of 2053
1B2 -- 8 M161 ENGINE MECHANICAL
D AEW OO M Y_2000
Removal & Installation Procedure
1. Disconnect the negative terminal of battery.
2. Remove the hood.
3. Remove the under cover.
Installation Notice
Tightening Torque
28 -- 47 NSm (21 -- 35 lb-ft)
4. Disconnect the coupling of HFM sensor and remove
the air cleaner cross pipe.
5. Remove the air cleaner cover. Remove the mounting
bolts and air cleaner housing and element assembly.
6. Loosen the radiator drain cock and drain the coolant.
Notice:Open the coolant reservoir cap.
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M161 ENGINE MECHANICAL 1B2 -- 9
D AEW OO M Y_2000
7. Loosen the cylinder block drain plug and then drain
the coolant completely.
Installation Notice
Tightening Torque
30 NSm (22 lb-ft)
Notice:Replace the seal before installation of the drain
plug.
8. Remove the cooling fan shroud. Refer toSection
1D2, Engine Cooling.
9. Disconnect the each hose from radiator.
10. Remove the upper mounting bolts of radiator and
then remove the radiator.
Page 396 of 2053

D AEW OO M Y_2000
SECTION 1D2
M161 ENGINE COOLING
CAUTION: Disconnect the negative battery cable before removing or installing any electrical unit or when a
tool or equipment could easily come in contact with exposed electrical terminals. Disconnecting this cable
will help prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless other -
wise noted.
TABLE OF CONTENTS
Specifications 1D2 -- 2............................
General Specifications 1D2-- 2....................
Fastener Tightening Specifications 1D2 -- 2..........
Special Tools 1D2 -- 3.............................
Special Tools Table 1D2-- 3.......................
Diagnosis 1D2 -- 4.................................
System Leakage Test 1D2-- 4.....................
Maintenance and Repair 1D2 -- 5...................
On-- Vehicle Service 1D2-- 5.........................Coolant Drain and Fill Up 1D2 -- 5..................
Cooling Fan and Viscous Clutch 1D2 -- 7............
Wat er Pum p 1D2 -- 9.............................
Thermostat 1D2 -- 11.............................
Thermostat Housing Assembly 1D2 -- 12............
Removal and Installation of Cooling
Fan Shroud 1D2 -- 14...........................
Removal and Installation of Radiator 1D2-- 15.......
Page 397 of 2053

1D2 -- 2 M161 ENGINE COOLING
D AEW OO M Y_2000
SPECIFICATIONS
GENERAL SPECIFICATIONS
ApplicationDescription
Cooling TypeWater Cooling Forced Circulation
RadiatorCirculation TypeDown Flow
Radiation61,500 kcal/h
Capability58,000 kcal/h
Dimension (Width x Height x Thickeness)680 x 415 x 25 mm(g)
680 x 415 x 28 mm
Cooling Fanφ460, 9 Blades
Anti-- Freeze AgentALUTEC-- P78, Dragon Power
Coolant A
Mixing Ratio of Anti-- Freeze Agen with Water (Anti-- Freeze Agent : Water)50 : 50
Coolant Capacity10.5 L
Reservoir Capacity3.4 L
Cap Operating Pressure (Reservoir Tank Pressure Cap)1.4 bar
FASTENER TIGHTENING SPECIFICATIONS
ApplicationNSmLb-FtLb-In
Coolant Drain Plug3022--
Engine Hanger Bracket and Coolant Outlet
Port Bolt22.5 -- 27.516.6 -- 20.3--
Thermostat Cover Bracket Bolt9--11--80 -- 97
Oil Cooler Pipe Line Bolt9--11--80 -- 97
Cooling Fan Bolt9--11--80 -- 97
Viscous Clutch40.5 -- 49.529.8 -- 36.5--
Automatic Transmission Fluid Cooler Pipe2015--
Cooling Fan Shroud Bolts3--7--27 -- 62
Water Pump Pulley Retaining Bolts9--11--80 -- 97
Water Pump Housing BoltsM69--11--80 -- 97pg
M822.5 -- 27.516.6 -- 20.3--
Radiator Bracket Mounting Bolts3--7--27 -- 62