Page 16 of 2248
5) Check idle speed when unloaded. (With headlights,
heater fan, rear defroster, radiator fan, air conditioning, etc.
OFF)
Idle speed (No load and gears in neutral (MT) or N or
P (AT) position):
700±100 rpm
6) Check idle speed when loaded. (Turn air conditioning
switch to“ON”and operate compressor for at least one
minute before measurement.)
Idle speed [A/C“ON”, no load and gears in neutral
(MT) or N or P (AT) position]:
850±50 rpm
CAUTION:
Never rotate idle adjusting screw. If idle speed is out
of specifications, refer to General On-board Diagnosis
Table under “2-7 On-Board Diagnostics II System”.
4
2-2
3. Engine Idle Speed
Page 103 of 2248
G2M0066
1. Oil Pump
A: REMOVAL
1) Drain engine oil.
Set container under the vehicle, and remove drain plug
from oil pan.
B2M0051A
2) Drain coolant.
Set container under the vehicle, and remove drain cock
from radiator.
B2M0302
3) Remove belt covers, timing belt and related parts.
B2M0303
4) Remove belt tensioner bracket.
G2M0210
5) Remove left cam sprocket and left belt cover No. 2.
6) Remove water pump.
4
2-4SERVICE PROCEDURE
1. Oil Pump
Page 107 of 2248
G2M0544
2. Oil Pan and Oil Strainer
A: REMOVAL
1) Remove front wheels.
2) Remove air intake duct.
3) Disconnect connector from front oxygen sensor.
G2M0295
4) Remove pitching stopper.
B2M0320
5) Remove radiator upper brackets.
B2M0053
6) Support engine with a lifting device and wire ropes.
7) Lift-up the vehicle.
CAUTION:
At this time, raise up wire ropes.
G2M0066
8) Drain engine oil.
Set container under the vehicle, and remove drain plug
from oil pan.
8
2-4SERVICE PROCEDURE
2. Oil Pan and Oil Strainer
Page 112 of 2248
G2M0302
13) Install pitching stopper.
Tightening torque:
T1: 49±5 N⋅m (5.0±0.5 kg-m, 36.2±3.6 ft-lb)
T2: 57±10 N⋅m (5.8±1.0 kg-m, 42±7 ft-lb)
B2M0320
14) Install radiator upper brackets.
B2M0321
15) Install air intake duct.
G2M0088
3. Oil Pressure Switch
A: REMOVAL
1) Remove alternator from bracket.
(1) Disconnect connector and terminal from generator.
B2M0017
(2) Remove V-belt cover.
(3) Loosen lock bolt and slider bolt, and remove front
side V-belt.
13
2-4SERVICE PROCEDURE
2. Oil Pan and Oil Strainer - 3. Oil Pressure Switch
Page 113 of 2248
G2M0302
13) Install pitching stopper.
Tightening torque:
T1: 49±5 N⋅m (5.0±0.5 kg-m, 36.2±3.6 ft-lb)
T2: 57±10 N⋅m (5.8±1.0 kg-m, 42±7 ft-lb)
B2M0320
14) Install radiator upper brackets.
B2M0321
15) Install air intake duct.
G2M0088
3. Oil Pressure Switch
A: REMOVAL
1) Remove alternator from bracket.
(1) Disconnect connector and terminal from generator.
B2M0017
(2) Remove V-belt cover.
(3) Loosen lock bolt and slider bolt, and remove front
side V-belt.
13
2-4SERVICE PROCEDURE
2. Oil Pan and Oil Strainer - 3. Oil Pressure Switch
Page 117 of 2248

1. Engine Cooling System
A: SPECIFICATIONS
Cooling systemElectric fan + Forced engine coolant circulation
system
Total engine coolant capacity(US qt, Imp qt) Approx. 6.1 (6.4, 5.4)
Engine
coolant
pumpTypeCentrifugal impeller type
Discharge performance IDischarge 20(5.3 US gal, 4.4 Imp gal)/min.
Pump speed—total engine cool-
ant head760 rpm — 0.3 mAq (1.0 ftAq)
Engine coolant temperature 85°C (185°F)
Discharge performance IIDischarge 100(26.4 US gal, 22.0 Imp gal)/min.
Pump speed—total engine cool-
ant head3,000 rpm — 5.0 mAq (16.4 ftAq)
Engine coolant temperature 85°C (185°F)
Discharge performance IIIDischarge 200(52.8 US gal, 44.0 Imp gal)/min.
Pump speed—total engine cool-
ant head6,000 rpm — 23.0 mAq (75.5 ftAq)
Engine coolant temperature 85°C (185°F)
Impeller diameter 76 mm (2.99 in)
Number of impeller vanes 8
Pump pulley diameter 60 mm (2.36 in)
ThermostatTypeWax pellet type
Starts to open 76 — 80°C (169 — 176°F)
Fully opened91°C (196°F)
Valve lift9.0 mm (0.354 in) or more
Valve bore35 mm (1.38 in)
Radiator fanMotor120 W
Fan diameter x Blade 320 mm (12.60 in) x 5
RadiatorTypeCross flow, pressure type
Core dimensions670x361x16mm
(26.38 x 14.21 x 0.63 in)
Pressure range in which cap valve is openAbove: 88±10 kPa
(0.9±0.1 kg/cm
2, 12.8±1.4 psi)
Below: 4.9 to 9.8 kPa
( 0.05 to 0.1 kg/cm
2, 0.7 to 1.4 psi)
FinsCorrugated fin type
Reservoir
tankCapacity 0.5(0.5 US qt, 0.4 Imp qt)
B: SERVICE DATA
Engine
coolant
pumpClearance between impeller and caseStandard
Limit0.5 — 0.7 mm (0.020 — 0.028 in)
1.0 mm (0.039 in)
“Thrust” runout of impeller end 0.5 mm (0.020 in)
2
2-5SPECIFICATIONS AND SERVICE DATA
1. Engine Cooling System
Page 119 of 2248
2. Radiator and Radiator Fan
B2M0300A
1Radiator lower cushion
2Radiator
3O-ring
4Air vent plug
5Radiator upper cushion
6Radiator upper bracket
7Clamp
8Radiator inlet hose
9Engine coolant reservoir tank cap
10Over flow hose
11Engine coolant reservoir tank
12Shroud
13Radiator main fan motor ASSY
14Radiator outlet hose
15Radiator drain pipe
16Gasket
17Radiator drain plug
18ATF hose clamp
19ATF inlet hose A
20ATF outlet hose A
21ATF pipe
22ATF outlet hose B
23ATF inlet hose B
Tightening torque: N⋅m (kg-m, ft-lb)
T1: 6.9±1.5 (0.7±0.15, 5.1±1.1)
T2: 12±3 (1.2±0.3, 8.7±2.2)
4
2-5COMPONENT PARTS
2. Radiator and Radiator Fan
Page 121 of 2248
1. On-Car Service
A: DRAINING OF ENGINE COOLANT
1) Lift-up the vehicle.
B2M0133A
2) Fit vinyl tube to drain pipe.
B2M0015A
3) Loosen drain cock to drain engine coolant into con-
tainer.
NOTE:
Remove radiator cap so that engine coolant will drain
faster.
B2M0301
B: FILLING OF ENGINE COOLANT
1) Remove air vent plug from radiator.
B2M0135
2) Fill engine coolant into radiator up to filler neck position.
6
2-5SERVICE PROCEDURE
1. On-Car Service