Kia Optima: Fuel Delivery System / Fuel Tank

Kia Optima DL3 2019-2023 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.

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