Page 288 of 2053
1A2 -- 4 GENERAL ENGINE INFORMATION
D AEW OO M Y_2000
SIDE VIEW
23 Camshaft Adjuster
24 Oil Filler Cap
25 Engine Hanger Bracket
26 Cooling Fan and Viscous Clutch
27 Oil Filter
28 Timing Chain29 Oil Pump Drive Chain
30 Oil Strainer
31 Oil Pump
32 Ring Gear and Flywheel of Drive Plate
33 Piston
Page 302 of 2053
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 313 of 2053
1B2 -- 20 M161 ENGINE MECHANICAL
D AEW OO M Y_2000
POLY V -- BELT
Preceding Work: Removal of cooling fan
1 Poly V-- belt (2,155 mm)
2 Belt Tensioning Pulley3 Belt Tensioner
Removal & Installation Procedure
1. Release the belt tension by turning the stud on the
cap with 12 sided wrench or spanner counterclock-
wise.
2. Remove the poly v -- belt.
Notice:Check the belt for damage and tensioning
pulley bearing point for wear and replace them if neces-
sary.
3. Install the belt after prying the tensioning pulley.
Page 326 of 2053
M161 ENGINE MECHANICAL 1B2 -- 33
D AEW OO M Y_2000
10. Remove the cylinder head bolts in the reverse order
of the numerics (No.10→No.1) using allen wrench
socket617589001000.
Installation Notice
Tighten the bolts as numerical order with specified
torque (No.1→No.10).
1st step: 55 NSm (41 lb-ft)
Tightening Torque2nd step: + 90°ggq
3rd step: + 90°
Notice:Operate during engine cooling.
11. Remove the No. 1 bearing cap of the exhaust cam-
shaft.
Installation Notice
Tightening Torque
22.5 -- 27.5 NSm
(16.6 -- 20.3 lb-ft)
12. Carefully remove the cylinder head.
13. Check the cylinder head mating surface and clean
the crankcase head bolt mounting hole.
14. Replace the cylinder head gasket with new one.
15. Check the length of the cylinder head bolt.
Installation Notice
Length(L)When New 100 mmLength(L)Max. Length 105 mm
Notice:Replace the bolt if the measured length exceed
the max. length.
16. Installation should follow the removal procedure in
the reverse order.
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M161 ENGINE MECHANICAL 1B2 -- 39
D AEW OO M Y_2000
BELT PULLEY AND VIBRATION DAMPER
Preceding Work: Removal of cooling fan and viscous clutch
Removal of fan shroud
Removal of drive belt
1 Vibration Damper Center
1st step 200+20 NSm (148+15 lb-ft) .........
2nd step 90°+10°rotation added2 Vibration Damper Disk
5 Vibration Damper Assembly
6Key
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
Page 398 of 2053
M161 ENGINE COOLING 1D2 -- 3
D AEW OO M Y_2000
SPECIAL TOOLS AND EQUIPMENT
SPECIAL TOOLS TABLE
124 589 15 21 00
Tester
111 589 02 01 00
Open End Wrench
603 589 00 40 00
Fan Clutch Holder
111 589 00 40 00
Open End Wrench