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:
Rear seatback lock
When the rear seatback lock lever (located on the backside of the rear seatback)
is in the “LOCK” position, it is not possible to fold the rear seatback down by
using the release lock lever. Sho ...
Turn signals and lane change signals
The ignition switch must be on for the turn signals to function. To turn on the
turn signals, move the lever up or down (A). The green arrow indicators on the instrument
panel indicate which tur ...
Folding the rear seat
The rear seatbacks may be folded to facilitate carrying long items or to increase
the luggage capacity of the vehicle.
WARNING
The purpose of the fold-down rear seatbacks is to allow you to carry ...