Page 399 of 2053
1D2 -- 4 M161 ENGINE COOLING
D AEW OO M Y_2000
DIAGNOSIS
SYSTEM LEAKAGE TEST
Tools Required
124 589 15 21 00 Tester
Test Procedure
1. Loosen the cap a little and release pressure and re-
move 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.
3. Connect the special tool to the reservoir filler cap and
apply 1.4 bar of pressure.
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 connec-
tions. Replace or retighten if necessary.
Page 401 of 2053
1D2 -- 6 M161 ENGINE COOLING
D AEW OO M Y_2000
4. After complete draining of the coolant, remove the
hose connector to drain plug and reinstall the drain
plug.
Installation Notice
Tightening Torque
30 NSm (22 lb-ft)
5. Tighten the radiator lower drain cock.
6. Remove the de-- aeration hose clamp in the water
pump and remove the de-- aeration hose.
7. Fill up the coolant through the coolant reservoir
tank.
Notice
DMatchtheanti--freezeandthewaterratioto50:50.
DSupplement the coolant until the coolant overflows to
the deaeration hose.
8. Insert the de--aeration hose and completely tighten
the clamp.
9. Check the coolant level in the coolant reservoir tank.
10. Warm up(until thermostat is opened) the engine and
recheck the coolant level in the reservoir tank and fill
up the coolant if necessary.
Page 405 of 2053
1D2 -- 10 M161 ENGINE COOLING
D AEW OO M Y_2000
Tools Required
124589152100 Tester
Removal & Installation Procedure
1. Drain the coolant.
2. Disconnect the coolant hoses (8, 9, 10).
3. Take off the drive belt.
4. Unscrew the four bolts (6) from water pump pulley
and remove the pulley (7).
Installation Notice
Tightening Torque
9--11NSm (80 -- 97 lb-in)
Notice:Hold the pulley with fan clutch holder 603 589
00 40 00 while removing the pulley.
5. Unscrew the bolts (1, 2, 3, 4) from water pump hous-
ing (5) and remove the water pump.
Installation Notice
Tightening
(1,2,3)9--11NSm
(80 -- 97 lb-in)
Tightening
Torque(4)22.5 -- 27.5 NSm
(16.6 -- 20.3 lb-ft)
6. Clean the sealing surface.
7. Replace the gasket with new one.
Notice:Apply the sealant when the sealing surface of
water pump housing and coolant mounting area is clean.
8. Installation should follow the removal procedure in
the reverse order.
9. Check for leaks by starting the engine.
Page 406 of 2053
M161 ENGINE COOLING 1D2 -- 11
D AEW OO M Y_2000
THERMOSTAT
1 Bolt (M6 X 25, 3 pieces)
9--11 NSm (80-- 97 lb-in) .....................
2 Thermostat Cover
3 De-- aeration Hose4 Coolant Outlet Hose
5 Thermostat
6O--ring
Removal & Installation Procedure
1. Drain the coolant from the radiator.
2. Loosen the hose mounting clip and remove the cool-
ant hose (3, 4).
3. Unscrew the three bolts (1) and remove the thermo-
stat cover assembly from thermostat housing.
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.
Page 408 of 2053
M161 ENGINE COOLING 1D2 -- 13
D AEW OO M Y_2000
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 connec-
tor.
4. Unscrew the bolt (1c) and pry off the tensioning de-
vice shock absorber (7).
Installation Notice
Tightening Torque
22.5 -- 27.5 NSm
(16.6 -- 20.3 lb-ft)
5. Unscrow the bolts (1a, 1b) and remove the engine
hanger bracket and thermostat housing.
Installation Notice
Tightening
(1a)9--11NSm
(80 -- 97 lb-in)
Tightening
Torque(1b)22.5 -- 27.5 NSm
(16.6 -- 20.3 lb-ft)
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.
Page 411 of 2053
1D2 -- 16 M161 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 automatic transmission fluid cooler
pipes from radiator.
Installation Notice
Tightening Torque
20 NSm (15 lb-ft)
5. Remove all the bolts (7) from the radiator bracket (9)
and remove the bracket (9) and insulator (8).
Installation Notice
Tightening Torque
3--7NSm (27 -- 62 lb-in)
6. Remove the radiator (10).
7. Check the radiator pin for crack, damage, leakage
and bending and replace it if necessary.
8. Installation is reverse order of removal.
9. Check for leakage in the cooling system.
Page 421 of 2053
1E 2 -- 10 M161 ENGINE ELECTRICAL
D AEW OO M Y_2000
DT1/2 : between No.71 and No.69
Notice:Check the ignition cable and the ECU if out of
the specified value.
3. Measure the secondary cable resistance between the
ignition coil 5a and 5b using a multimeter.
Specified Value
6--8.5kΩ
Page 422 of 2053
M161 ENGINE ELECTRICAL 1E 2 -- 11
D AEW OO M Y_2000
UNIT REPAIR
BATTERY
Inspection
Notice
DWhen charging the battery, do not leave the inflam-
mable objects around it.
DWhen checking the electrolyte of battery, put on an
eye protector and gloves.
1. Inspect the surface of the battery and replace if any
defects were found on it.
2. Check if the specific gravity of the electrolyte is within
the specified value.
Battery capacity(Ah)
90
Battery specific gravity≥1.24
Max. tolerance between cells≥0.04
Notice
DReplace the battery if the maximum tolerance of the
electrolyte between cells is out of the specified value.
DMeasure the specific gravity in the approx. 20°Cof
ambient temperature
3. Replenish the electrolyte if necessary.