Kia Optima: Fuel Delivery System / Fuel Tank

Kia Optima DL3 2019-2021 Service and Repair Manual / Engine Control / Fuel System / Fuel Delivery System / Fuel Tank

Specifications
Specifications

Item
Specification
Fuel Tank
Capacity
60 ℓ (15.8 U.S.gal., 63.4 U.S.qt., 52.8 lmp.qt.)

Components and components location
Component

1. Service Cover
2. Fuel Feed Tube Quick-Connector
3. Vapor Tube quick-connector
4. Filler-neck assembly
4. Heat Protector
5. Fuel Tank Band
5. Fuel Tank Complete


Repair procedures
Removal
1.

Release the residual pressure in the fuel line.

(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")

2.

Remove the rear seat cushion.

(Refer to Body - "Rear Seat Assembly")

3.

Remove the fuel pump service cover (A).

4.

Disconnect the connectors (A, B, C).

A : Fuel pump connector

B : Fuel tank pressure sensor connector

C : Fuel feed tube quick-connector

5.

Remove the rear muffler.

(Refer to Engine Mechanical System - "Muffler")

6.

Separate the fuel filler hose (A) from the filler pipe (B) by releasing the clamp.

7.

Separate the leveling hose-quick connector (A).

8.

Separate the ventilation hose (A).

9.

Separate vapor hose hose quick-connector (A).

10.

Remove the front floor under cover (A) and the rear floor under cover (B).

Tightening torque :

Bolt : 7.8 - 11.8 N·m (0.8 - 1.2 kgf·m, 5.8 - 8.7 lbf·ft)

Nut : 3.9 - 5.9 N·m (0.4 - 0.6 kgf·m, 2.9 - 4.3 lbf·ft)

11.

Remove the heat protector (A).

Tightening torque :

7.9 - 11.7 N·m (0.8 - 1.2 kgf·m, 5.8 - 8.6 lb·ft)

12.

Support the fuel tank with a jack.

13.

Remove the fuel tank band (B) after loosening the mounting nuts (A).

Tightening torque :

40.0 - 53.9 N·m (4.0 - 5.5 kgf·m, 29.0 - 39.7 lb·ft)

14.

Remove the fuel tank from the vehicle.

Installation
1.

Install in the reverse order of removal.

Fuel Delivery System
Fuel pressure test Fuel Pressure Test 1. Release the residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line") ...

Fuel Pump Module
Specifications Specification Items Specification Current (A) Max. 6.0 Supply Voltage (V) 12 ...

Other information:

Kia Optima DL3 2019-2021 Owner's Manual: Parking distance warningreverse precautions


The parking distance warningreverse may not sound consistently depending on the speed and shapes of the objects detected. The parking distance warningreverse may malfunction if the vehicle bumper height or sensor installation has been modified or damaged. Any non-factory installed equi ...

Kia Optima DL3 2019-2021 Owner's Manual: Certification label


The certification label is located on the driver's door sill at the center pillar. This label shows the maximum allowable weight of the fully loaded vehicle. This is called the GVWR (Gross Vehicle Weight Rating). The GVWR includes the weight of the vehicle, all occupants, fuel and cargo. This ...

Copyright © www.kioptima.com 2017-2021