Kia Optima: Removal and Installation
1. |
Disconnect the battery terminals.
(Refer to Engine and transaxle assembly in this group) |
2. |
Remove the air cleaner assembly
and the intercooler inlet/outlet hoses. (Refer to Engine and transaxle assembly
in this group) |
3. |
Remove the battery and battery
tray. (Refer to Engine and transaxle assembly in this group) |
4. |
Remove the under covers. (Refer
to Engine and transaxle assembly in this group) |
5. |
Loosen the drain plug, and drain
the engine coolant. Remove the radiator cap to drain with speed. |
6. |
Disconnect the radiator upper
hose (A).

|
7. |
Disconnect the lower hose (A),
the fan motor connector (B) and then remove the cooling fan assembly (C).
Tightening torque :4.9
~ 7.8 N.m (0.5 ~ 0.8 kgf.m, 3.6 ~ 5.8 lb-ft)
|

|
8. |
Disconnect the ATF cooler hoses
(A/T only). (Refer to AT group)

|
9. |
Disconnect the over flow hose
(A) from the radiator.

|
10. |
Remove the radiator mounting
brackets (A).
Tightening torque:3.9 ~
5.9 N.m (0.4 ~ 0.6 kgf.m, 2.9 ~ 4.3 lb-ft)
|

|
11. |
Separate the condenser from the
radiator and then remove the radiator assembly (A).

|
12. |
Installation is the reverse order
of removal. |
13. |
Fill the radiator with coolant
and check for leaks.
•
|
Bleed air from
the cooling system. |
-
|
Start engine
and let it run until it warms up. (Until the radiator fan
operates 3 or 4 times.) |
-
|
Turn off engine.
Check the coolant level and add coolant if needed. This
will allow trapped air to be removed from the cooling system.
|
-
|
Put the radiator
cap on tightly, then run engine again and check for leaks. |
|
|
Radiator Cap Testing
1.
Remove the radiator cap, wet
its seal with engine coolant, and then install it on a pressure tester.
2.
Apply a pressure of 93.16 ~ 122.58k ...
See also:
Tire rotation
To equalize tread wear, it is recommended
that the tires be rotated
every 12,000 km (7,500 miles) or
sooner if irregular wear develops.
During rotation, check the tires for
correct balance.
...
Tightening Torques
Item
kgf.m
N.m
lb-ft
Positive crankcase ventilation valve installation
0.19 ~ 0.29
1.9 ~ 2.8
1.4 ~ 2.1
...
Description
Continuous Variable Valve Timing (CVVT) system advances or
retards the valve timing of the intake and exhaust valve in accordance with
the ECM control signal which is calculated by the engine sp ...