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 ...
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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: Telemetics Unit (TMU) Repair procedures
Removal • Take care not to scratch the crash pad and related parts. 1. Disconnect the negative (-) battery terminal. 2. Remove the AVN head unit. (Refer to AVN System - "AVN Head Unit") 3. Disconnect the TMU unit and GPS connector (A). 4. Remove the TMU unit (B) after loosening the nuts. ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: CVVT Oil Control Valve (OCV) Description and Operation
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 speed and load. By controlling CVVT, the valve over-lap or under-lap occurs, which makes better fuel ...