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

Removal
1.
Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line” in this group).
2.
Remove the fuel tank.
(Refer to "Fuel Tank" in this group)
3.
Disconnect the fuel tank pressure sensor & fuel pump connector (A).
4.
Remove the plate cover (B) after removing the installation bolt, and then remove the fuel pump from the fuel tank.

Installation
1.
Install in the reverse order of removal.

Fuel pump plate cover mounting bolt:
2.0 ~ 2.9 N.m (0.2 ~ 0.3 kgf.m, 1.4 ~ 2.2 lb-ft)

   
Be careful of fuel pump direction when installing (Refer to the groove in the fuel tank).
Fuel Line Repair procedures

Removal 1. Remove the fuel tank (Refer to “Fuel Tank”) 2. Disconnect the fuel feed tube (A). 3. Disconnect the vapor hose (A). 4. Disconnect the vapor hose quick-connector (A). 5. Remove the fuel tube ...

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 ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: General Information


Identification Number Locations Identification Number Description Vehicle Identification Number 1. World Manufacturer Identifier (WMI) - KNA : Passenger vehicle, MPV(Multipurpose Passenger Vehicle)/SUV(Sports Utility Vehicle)/RV(Recreational Vehicle) 2. Vehicle line - G : OPTIMA 3. Model & Series ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Output Speed Sensor Description and Operation


Description Input speed sensor is a vital unit that measures the rate of rotation of the input shaft inside the transaxle and delivers the readings to the TCM. The sensor provides critical input data that''s used in feedback control, gear setting control, line pressure control, clutch activation pressure ...

© 2025 Copyright www.koptimatfhev.com