Kia Optima: Removal
1. |
Remove the battery and the battery
tray. (Refer to "Charging system" in EE group.) |
2. |
Remove the under cover (A).
Tightening torque:7.8 ~
11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)
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|
3. |
Replace new gasket and the plug
after draining the automatic transaxle fluid by removing the drain plug.
(Refer to "Hydraulic system (Fluid)" in this group) |
4. |
Remove the valve body cover (B)
and eyebolt (A).
Tightening torque:(A) 34.3
~ 44.1 N.m (3.5 ~ 4.5 kgf.m, 25.3 ~ 32.6 lb-ft)
(B) 13.8 ~ 14.7 N.m (1.3 ~ 1.5 kgf.m, 9.4 ~ 10.8 lb-ft)
|
Always replace the gasket of the eyebolt use new one whenever loosening
eyebolt. |
Remove installation bolts in the engine compartmentfirst and then
remove others under the vehicle |

|
5. |
Remove the plate and the detent
spring (A) after removing the bolt.
Tightening torque:24.5
~ 35.3 N.m (2.5 ~ 3.6 kgf.m, 18.1 ~ 26.0 lb-ft)
|

|
6. |
Remove the bolt (3ea) after disconnecting
the solenoid valve connector (A) and the oil temperature sensor connector
(B).
Tightening torque:9.8 ~
11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
|
Be careful not to damage the harness lock connector. |

|
7. |
Remove the valve body assembly
(A).
Tightening torque:9.8 ~
11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
|

|
8. |
Disconnect the input & output
speed sensor connector(A). |
9. |
Remove the input & output speed
sensor (B) after removing the bolts(2ea).
Tightening torque:9.8 ~
11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
|

|
1.
Check signal waveform of Input
& output speed sensor using the GDS.
Specification: Refer to "Signal
Wave Form" section.
...
1.
Installation is the reverse of
removal.
After replacement or reinstallation procedure of the valve body assembly, ...
See also:
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 ...
Removal
1.
Turn ignition switch OFF and
disconnect the negative (-) battery cable.
2.
Remove the air duct (B) and air
cleaner assembly (A).
3.
Disconn ...
Troubleshooting
Trouble Symptom Charts
Trouble Symptom 1
Trouble Symptom 2
Trouble symptom
Probable cause
Remedy
The set vehicle speed varies greatly ...