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: Oil Pump Description and Operation


Description Machanical Oil Pump (MOP) The oil pump is built in the transaxle as a single unit with the 26 Brake (26/B) chamber. Rotation of the pump builds the hydraulic pressure needed for the lubrication of the various parts of the transaxle and operation of the clutch and brakes. The oil also circulates ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Active Air Flap(AAF) Description and Operation


Description The AAF (Active Air Flap) is located between radiator grille and radiator, and consists of an actuator and 6 air flaps. The system receives information from EMS, FATC, TCU, MCU and LDC via CAN communication . With this information, the AAF controls the motor properly then the air flaps adjust ...

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