Kia Optima: Removal and Installation
Disassembly of the thermostat would have an adverse effect, causing a lowering
of cooling efficiency. Do not remove the thermostat, even if the engine
tends to overheat. |
1. |
Drain engine coolant so its level
is below thermostat. |
2. |
Disconnect the radiator lower
hose (A).

|
3. |
Remove water inlet fitting (C),
gasket (B) and thermostat (A).
Tightening torque :7.8
~ 11.8N.m (0.8 ~ 1.2kgf.m, 5.8 ~ 8.7lb-ft)
|

|
4. |
Installation is reverse order
of removal.
•
|
Install the thermostat
with the jiggle valve upward. |
•
|
When assembling
the thermostat, place the thermostat on the housing with
a protrusion of thermostat matching with a groove of the
housing and install the gasket and inlet fitting. Be careful
the thermostat doesn’t get out of the groove on the housing. |
|
|
5. |
Fill the engine coolant. |
6. |
Start the engine and check for
leaks. |
7. |
Recheck the coolant level. |
1.
Immerse the thermostat in water
and gradually heat the water.
2.
Check the valve opening temperature.
Valve opening temperature:
82 ± 1.5°C (17 ...
See also:
Output Speed Sensor. Specifications
Specifications
▷ Type: Hall effect sensor
Operation condition [°C(°F)]
((-)40~150)) -40~302
Air gap(mm)in.
(0.55~1) 0.0217~0.0394
...
Inspection
1.
Disconnect the ignition switch
connector (A) and key warning switch connector (B) from the steering column.
2.
Check for continuity between
the ter ...
Description and Operation
Description
Emissions Control System consists of three major systems.
•
The Crankcase Emission Control System prevents blow-by
gas from releasing into the atmosphere. This system r ...