Kia Optima Hybrid: Evaporative Emission Control System / Canister Repair procedures
| Removal |
| 1. |
Turn the ignition switch OFF and disconnect the auxiliary battery 12 (V) negative (-) terminal. |
| 2. |
Lift the vehicle. |
| 3. |
Remove the rear muffler hanger (A).
|
| 4. |
Remove the rear suspension damper (A).
|
| 5. |
Disconnect the vapor tube quick connectors (A) and ventilation hoses (B).
|
| 6. |
Separate the canister from auxiliary canister by loosening the canister mounting bracket mounting bolts (A). |
| 7. |
Remove the canister bracket mounting bolts (B). |
| 8. |
Remove the canister protector (C).
|
| 9. |
Remove the canister (A) by loosening the canister bracket mounting bolts (B).
|
| 10. |
Remove the auxiliary canister (A) by removing the nuts (B) and disconnecting the ventilation hoses (C).
|
| Inspection |
| 1. |
Check for the following items visually.
- Cracks or leakage of the canister
- Loose connection, distortion, or damage of the vapor hose/tube
A: Canister - Atmosphere
(NVLD module and Fuel Tank Air Filter)
B: Canister - Intake Manifold (PCSV)
C: Canister - Fuel Tank
|
| Installation |
Canister installation bolt:
3.9 ~ 5.9 N.m (0.4 ~ 0.6 kgf.m, 2.9 ~ 4.3 lb-ft)
Canister poretector installation bolt:
8.8 ~ 13.7 N.m (0.9 ~ 1.4 kgf.m, 6.5 ~ 10.1 lb-ft)
Auxiliary canister installation bolt:
3.9 ~ 5.9 N.m (0.4 ~ 0.6 kgf.m, 2.9 ~ 4.3 lb-ft) |
Repair procedures
Inspection When the engine is shut off, the pressure change in the fuel tank by the ambient temperature is monitored by NVLD and when the engine is started, ECM judges whether there is a leak or not through ...
Fuel Filler Cap Description and Operation
Description A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which seals the fuel filler. After the gasket on the fuel filler cap and the filler ...
Other information:
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: High Voltage Shut-off Procedures
High Voltage Shut-off Procedures Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries. • High voltage components: ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Intake Air Temperature Sensor (IATS) Description and Operation
Description Intake Air Temperature Sensor (IATS) is included inside Manifold Absolute Pressure Sensor and detects the intake air temperature. To calculate precise air quantity, correction of the air temperature is needed because air density varies according to the temperature. So the ECM uses not only ...