Page 1145 of 2453
CO(H6DO)-26
Reservoir Tank
COOLING
10.Reservoir Tank
A: REMOVAL
1) Set the vehicle on a lift.
2) Remove the collector cover.
3) Lift-up the vehicle.
4) Remove the under cover.
5) Remove the bolts on the underside of the radia-
tor stay.
6) Lower the vehicle.
7) Remove the air intake duct.
7, REMOVAL, Air Intake Duct.>
8) Remove the front upper cover.
9) Remove the radiator upper brackets.
10) Remove the radiator stay.
(1) Remove the latch.
(2) Remove the radiator hose bracket.
(3) Remove the clip holding the harness.
(4) Remove the bolts on the left side of the radi-
ator stay.
(5) Remove the bolts on the right side of the ra-
diator stay.
CO-02175
CO-02176
CO-02177
CO-02179
CO-02180
CO-02181
Page 1146 of 2453
CO(H6DO)-27
Reservoir Tank
COOLING
11) Remove the reservoir tank.
B: INSTALLATION
1) Install the reservoir tank.
Tightening torque:
7.5 N·m (0.76 kgf-m, 5.5 ft-lb)
2) Install the radiator stay.
(1) Install the latch.
Tightening torque:
33 N·m (3.4 kgf-m, 25 ft-lb)
(2) Install the radiator hose bracket.
(3) Hold the harness to the radiator stay with a
clip.
(4) Tighten the bolts on the left side of the radi-
ator stay.
Tightening torque:
18 N·m (1.8 kgf-m, 13.3 ft-lb)
(5) Tighten the bolts on the right side of the ra-
diator stay.
Tightening torque:
18 N·m (1.8 kgf-m, 13.3 ft-lb)
CO-02183
CO-02183
CO-02179
CO-02180
CO-02181
Page 1147 of 2453
CO(H6DO)-28
Reservoir Tank
COOLING
3) Install the radiator upper brackets.
Tightening torque:
12 N·m (1.2 kgf-m, 8.9 ft-lb)
4) Install the front upper cover.
5) Install the air intake duct.
INSTALLATION, Air Intake Duct.>
6) Lift-up the vehicle.
7) Tighten the bolts on the lower side of the radiator
stay.
Tightening torque:
18 N·m (1.8 kgf-m, 13.3 ft-lb)
8) Install the under cover.
9) Lower the vehicle.
10) Install the collector cover.
C: INSPECTION
Make sure the engine coolant level is between
“FULL” and “LOW”.
CO-02177
CO-02176
CO-02175
Page 1148 of 2453
CO(H6DO)-29
Radiator Fan Control Unit
COOLING
11.Radiator Fan Control Unit
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the air intake duct.
7, REMOVAL, Air Intake Duct.>
3) Remove the front upper cover.
4) Remove the radiator fan control unit.
(1) Disconnect the connector from radiator fan
control unit.
(2) Remove the screws which hold the radiator
fan control unit.
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
2.6 N·m (0.27 kgf-m, 1.9 ft-lb)
(A) Connector
(B) Screw
CO-02176
CO-02204
(A)
(B)
Page 1149 of 2453

CO(H6DO)-30
Engine Cooling System Trouble in General
COOLING
12.Engine Cooling System Trouble in General
A: INSPECTION
Tr o u b l e P o s s i b l e c a u s e C o r r e c t i v e a c t i o n
Overheating
a. Insufficient engine coolantReplenish engine coolant, inspect for leakage, and
repair it if necessary.
b. De fe c ti ve t he r mo st a t Rep la c e.
c. Malfunction of water pump Replace.
d. Clogged engine coolant passage Clean.
e. Improper ignition timing
Inspect and repair ignition control system.
EN(H6DO)(diag)-2, PROCEDURE, Basic Diagnostic
Procedure.>
f. Clogged or leaking radiator Clean, repair or replace.
g. Improper engine oil in engine coolant Replace engine coolant.
h. Air/fuel mixture ratio too lean
Inspect and repair the fuel injection system.
EN(H6DO)(diag)-2, PROCEDURE, Basic Diagnostic
Procedure.>
i. Excessive back pressure in exhaust system Clean or replace.
j. Insufficient clearance between piston and cylinder Adjust or replace.
k. Slipping clutch Correct or replace.
l. Dragging brake Adjust.
m. Faulty transmission gear oil Replace.
n. Malfunction of radiator fanInspect the radiator fan relay, engine coolant tempera-
ture sensor or fan motor and replace them.
Over-coolinga. Ambient temperature extremely low Partly cover radiator front area.
b. De fe c ti ve t he r mo st a t Rep la c e.
Engine coolant
leaks
a. Loosened or damaged connecting units on hoses Correct or replace.
b. L ea k ag e f r o m wat e r pu mp Rep la c e.
c. Leakage from water pipe Correct or replace.
d. Leakage around cylinder head gasket Retighten cylinder head bolts or replace gasket.
e. Damaged or cracked cylinder head and crankcase Correct or replace.
f. Damaged or cracked ther mostat case Correct or replace.
g. Leakage from radiator Correct or replace.
Strange noise
a. Defective drive belt Replace.
b. De fe c ti ve ra di a t or fan Rep la c e.
c. Defective water pump bearing Replace water pump.
d. Defective water pump mechanical seal Replace water pump.
Page 1150 of 2453
EC(H6DO)-2
General Description
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)
1. General Description
A: CAUTION
•Wear work clothing, including a cap, protective
goggles and protective shoes during operation.
•Remove contamination including dirt and corro-
sion before removal, installation or disassembly.
•Keep the disassembled parts in order and pro-
tect them from dust and dirt.
•Before removal, installation or disassembly, be
sure to clarify the failure. Avoid unnecessary re-
moval, installation, disassembly and replacement.
•Be careful not to burn yourself, because each
part on the vehicle is hot after running.
•Be sure to tighten fasteners including bolts and
nuts to the specified torque.
•Place shop jacks or rigid racks at the specified
points.
•Before disconnecting connectors of sensors or
units, be sure to disconnect the ground cable from
the battery.
Page 1151 of 2453
EC(H6DO)-3
Front Catalytic Converter
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)
2. Front Catalytic Converter
A: REMOVAL
The front and rear catalytic converters are integrat-
ed into the front exhaust pipe therefore, refer to
“Front Exhaust Pipe” for the removal procedure.
Pipe.>
B: INSTALLATION
The front and rear catalytic converters are integrat-
ed into front exhaust pipe as one unit; therefore, re-
fer to “Front Exhaust Pipe” for installation
procedure.
Front Exhaust Pipe.>
C: INSPECTION
1) Check the connections and welds for exhaust
leaks.
2) Check for hole or rust.
(A) Front catalytic converter
(B) Rear catalytic converter
(A) Front catalytic converter
(B) Rear catalytic converter
(A)
(B)
EC-02018
(A)
(B)
EC-02018
Page 1152 of 2453
EC(H6DO)-4
Rear Catalytic Converter
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)
3. Rear Catalytic Converter
A: REMOVAL
The front and rear catalytic converters are integrat-
ed into the front exhaust pipe therefore, refer to
“Front Exhaust Pipe” for the removal procedure.
Pipe.>
B: INSTALLATION
The front and rear catalytic converters are integrat-
ed into front exhaust pipe as one unit; therefore, re-
fer to “Front Exhaust Pipe” for installation
procedure.
Front Exhaust Pipe.>
C: INSPECTION
1) Check the connections and welds for exhaust
leaks.
2) Check for hole or rust.
(A) Front catalytic converter
(B) Rear catalytic converter
(A) Front catalytic converter
(B) Rear catalytic converter
(A)
(B)
EC-02018
(A)
(B)
EC-02018