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D AEW OO M Y_2000
SECTION 1D1
M162 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 1D1 -- 2............................
General Specifications 1D1-- 2....................
Fastener Tightening Specifications 1D1 -- 2..........
Special Tools 1D1 -- 3.............................
Special Tools Table 1D1-- 3.......................
Diagnosis 1D1 -- 4.................................
System Leakage Test 1D1-- 4.....................
Maintenance and Repair 1D1 -- 5...................
On-- Vehicle Service 1D1-- 5.........................Coolant Drain and Fill Up 1D1 -- 5..................
Coolant Connection Fitting 1D1 -- 7.................
Wat er Pum p 1D1 -- 8.............................
Thermostat 1D1 -- 10.............................
Oil Cooler Pipe Line 1D1 -- 11.....................
Cooling Fan and Viscous Clutch 1D1 -- 12...........
Cooling Fan Shroud 1D1 -- 14.....................
Radiator 1D1-- 15................................
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1D1 -- 2 M162 ENGINE COOLING
D AEW OO M Y_2000
SPECIFICATIONS
GENERAL SPECIFICATIONS
ApplicationDescription
Cooling TypeWater Cooling Forced Circulation
RadiatorCirculation TypeDouble Cross Flow
Radiation Capability70,000 kcal/h
Dimension(Width x Height x Thickeness)580 x 482 x 45 mm
Cooling Fanφ460, Six Blades
Anti-- Freeze AgentALUTEC -- P78
Mixing Ratio of Anti-- Freeze Agen with Water (Anti-- Freeze Agent : Water)50 : 50
Coolant Capacity11. 3 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 Bolts9--11--80 -- 97
Oil Cooler Pipe Line Bolts9--11--80 -- 97
Cooling Fan Bolts9--11--80 -- 97
Viscous Clutch Mounting Bolts40.5 -- 49.529.8 -- 36.5--
Automatic Transmission Fluid Cooler Pipe2015--
Cooling Fan Shroud Bolts3--7--27 -- 62
Automatic Transmission Radiator Tube
Assembly Mounting Bolt7--62
Radiator Bracket Mounting Bolts3--7--27 -- 62
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1D1 -- 8 M162 ENGINE COOLING
D AEW OO M Y_2000
WAT E R P U M P
Preceding Work: Removal of V-- belt
Removal of air admission housing
1 Air Admission Housing
2 Oil Cooler Pipe Line
3 Seal Replace..............................
4Bolt 9--11NSm (80-- 97 lb-in) .................
5 Coolant Hose
6 Coolant Hose
7 Outlet Coolant Hose8 Coolant Hose
9 Inlet Coolant Hose
10 Water Pump
11 Bolt 21 NSm (15 lb-ft) ......................
12 Dowel Sleeve
13 Seal Replace..............................
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M162 ENGINE COOLING 1D1 -- 9
D AEW OO M Y_2000
Removal & Installation Procedure
1. Drain the coolant.
2. Disconnect the water pump wire connector.
3. Loosen the hose clip and dsconnect all hoses from
the water pump.
4. Remove the oil cooler pipe line bolts (4) and then re-
move the coolant line (2).
Installation Notice
Tightening Torque
9--11NSm (80 -- 97 lb-in)
Notice:Replace the seal (3).
5. Remove the mounting bolts (11) and carefully pull out
water pump (10).
Installation Notice
Tightening Torque
21 NSm (15 lb-ft)
Notice:Replace the seal (13).
6. Installation should follow the removal procedure in
the reverse order.
7. Fill up coolant.
8. Do coolant system leakage test.
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M162 ENGINE COOLING 1D1 -- 11
D AEW OO M Y_2000
OIL COOLER PIPE LINE
Preceding Work: Removal of intake air duct
1 Bolt (M6 X 35, 1 piece)
9--11 NSm (80-- 97 lb-in) .....................
2 Bolt (M6 X 16, 2 pieces)
9--11 NSm (80-- 97 lb-in) .....................3 Oil Cooler Pipe Line
4 O -- ring Replace............................
Removal & Installation Procedure
1. Drain the coolant.
2. Unscrew the bolts (1, 2) and remove the oil cooler
pipe line (3).
Replace the O -- ring with new one.
Installation Notice
Tightening Torque
9--11NSm (80 -- 97 lb-in)
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.
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M162 ENGINE COOLING 1D1 -- 13
D AEW OO M Y_2000
Tools Required
603 589 00 40 00 Fan Clutch Holder
1. Remove the engine hanger bracket bolts.
Installation Notice
Tightening Torque
22.5 -- 27.5 NSm
(16.6 -- 20.3 lb-ft)
2. Remove the engine hanger bracket.
3. Remove the cooling fan bolts.
Installation Notice
Tightening Torque
9--11NSm (80 -- 97 lb-in)
4. Hold the cooling fan pulley using the fan clutch holder
603 589 00 40 00.
5. Remove the viscous clutch mounting bolts and vis-
cous clutch.
Installation Notice
Tightening Torque
40.5 -- 49.5 NSm
(29.8 -- 36.5 lb-ft)
Important:There are two chambers in the viscous
clutch. Be sure to make the viscous clutch stand on the
ground not to flow silicone oil into another chamber in
the viscous clutch. Do not lay down the clutch.
6. 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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1E 1 -- 6 M162 ENGINE ELECTRICAL
D AEW OO M Y_2000
SPARK PLUG
Preceding Work: Removal of intake air duct
1 Spark Plug Cover
2 Bolt (M6 X 60, 7 pieces)
9--11 NSm (80-- 97 lb-in) .....................
3 Spark PlugT1/1 Ignition Coil : Cylinder 2 and 5
T1/2 Ignition Coil : Cylinder 3 and 4
T1/3 Ignition Coil : Cylinder 1 and 6