Kia Optima Hybrid: Fuel Delivery System / Delivery Pipe Repair procedures

Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
2.
Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line” in this group).
3.
Disconnect the injector connector (A).
4.
Remove the wiring harness bracket mounting bolt (B).
5.
Remove the mounting nut, and then disconnect the fuel feed tube (C).
6.
Remove the mounting bolt (D), and then remove the delivery pipe & injector assembly from the engine.

Installation
1.
Install in the reverse order of removal.

Delivery pipe mounting bolt:
18.6 ~ 23.5 N.m (1.9 ~ 2.4 kgf.m, 13.7 ~ 17.4 lb-ft)
Delivery pipe mounting nut (- Fuel feed tube):
7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft)7

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 ...

Automatic Transaxle System

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Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Yaw-rate and Lateral G Sensor Repair procedures


Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the floor console. (Refer to the Body group - "Console") 3. Disconnect the yaw rate & lateral G sensor connector (A). 4. Remove the mounting nuts (B). Tightening torque: 6.9 ~ 10.8 N.m (0.7 ~ 1.1 kgf.m, 5.1 ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Positive Crankcase Ventilation (PCV) Valve Repair procedures


Removal 1. Disconnect the vapor hose (A). 2. Remove the PCV valve (B). Inspection 1. Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger movement.     If the plunger does not move (PCV valve is clogged), clean or replace the valve. Installation 1. ...

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