Kia Optima Hybrid: Fuel Delivery System / Filler-Neck Assembly Repair procedures

Removal
1.
Lift the vehicle.
2.
Disconnect the fuel filler hose (A).
3.
Disconnect the ventilation hose (B) from the fuel tank air filter.

4.
Open the fuel filler door and then remove the filler-neck installation screw (A).

5.
Remove the rear-LH wheel, tire, and the inner wheel house.
6.
Remove the filler-neck assembly from the vehicle after removing the bracket installation bolt (A).

Installation
1.
Install in the reverse order of removal.

Filler-neck assembly bracket mounting bolt :
3.9 ~ 5.9 N.m (0.4 ~ 0.6 kgf.m, 2.9 ~ 4.3 lb-ft)

Fuel Filter Repair procedures

Replacement 1. Remove the fuel pump (Refer to “Fuel Pump” in this group). 2. Disconnect the electric pump wiring connector (A) and the fuel sender connector (B). 3. Remove the cushion pipe fixing clip ...

Accelerator Pedal Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the negative (-) battery terminal. 2. Disconnect the accelerator position sensor connector (A). 3. Remove the mounting nuts (B) and bolt (C), and ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Schematic Diagrams


System Block Diagram Component Parts And Function Outline Component partFunctionECUControls engine.MCUControls drive motor.ABSSends vehicle speed to HCU.HCUReceives signals from sensor and control switches.Cluster (Cruise control indicator)Illuminate when CRUISE main switch is ON (Built into cluster)Cruise ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: 35R Clutch Control Solenoid Valve (35R/C_VFS) Repair procedures


Inspection 1. Turn ignition switch OFF. 2. Remove the air duct (A). Tightening torque: 7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft) 3. Remove the air cleaner assembly. (1) Disconnect the breather hose (A). (2) Disconnect the air intake hose (B) and then remove the air cleaner assembly (C). Tightening ...

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