Removal And Installation

THERMOSTAT AND WATER CONTROL VALVE

Removal and Installation


REMOVAL

1.Remove battery. Exploded View.
2.Disconnect engine room harness connectors at unit sides TCM and ECM, and then move it to aside.
3.Remove battery tray.
4.Remove air duct and resonator assembly and air cleaner case assembly. Exploded View.
5.Drain engine coolant. Draining Engine Coolant.

CAUTION:
Perform this step when engine is cold.
6.Disconnect radiator hose (lower) at water inlet side. Exploded View.
7.Disconnect water hose at water inlet side. (Type 1)
8.Remove water inlet and thermostat.
9.Remove water control valve with the following procedure:
a.Disconnect radiator hose (upper) at water control valve housing (water outlet) side.
b.Disconnect harness connector from engine coolant temperature sensor.
c.Remove CVT fluid level gauge and CVT fluid charging pipe. Exploded View
(2WD models) or (AWD models).
d.Disconnect water hoses.
e.Disconnect air fuel ratio sensor 1 and heated oxygen sensor 2 harness connectors, and remove harness clips from heater pipe.
f.Remove heater pipe and heater hose.
g.After removing water control valve housing (water outlet), remove water control valve.

INSTALLATION


CAUTION:
Do not reuse O-rings.
Note the following, and install in the reverse order of removal.
Thermostat and Water Control Valve





- Install thermostat and water control valve with making rubber ring (1) groove fit to thermostat flange and water control valve flange (A) with the whole circumference. (The example in the figure shows water control valve.)
NOTE:
Same procedure is applied for installation of thermostat.





- Install thermostat with jiggle valve facing upwards. (The position deviation may be within the range of 20 degrees as shown in the figure.)
- Install water control valve with the arrow facing up and the frame center part facing upwards. (The position deviation may be within the range of 20 degrees as shown in the figure.)
Heater Pipe Installation
Apply a neutral detergent to O-ring, then quickly insert the insertion part of heater pipe into cylinder block.