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

Removal
1.
Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line”).
2.
Lift the vehicle.
3.
Remove the front side cover (A) and rear side cover (B).

4.
Disconnect the fuel feed tube hose (A), leveling hose (B) and vapor hose quick-connector C).

5.
Remove rear muffler (Refer to Engine Mechanical System – “Muffler”).
6.
Disconnect the fuel pump & fuel tank pressure sensor extension connector (A).

7.
After supporting the fuel tank with a jack, remove the fuel tank band (A).

8.
Disconnect the fuel feed tube quick-connector (A).

9.
Remove the fuel tank.
Installation
1.
Install in the reverse order of removal.

Fuel tank band installation nut:
39.2 ~ 54.0 N.m (4.0 ~ 5.5 kgf.m, 28.9 ~ 39.8 lb-ft)

Repair procedures

Fuel Pressure Test 1. Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line” in this group).     When removing the fuel pump relay, a Diagnostic Trouble ...

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 ...

Other information:

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


Description The hydraulic system consists of oil, an oil filter, oil pump, and a valve body (valves and solenoid valves). The machanical oil pump is in the transaxle and is mechanically turned by the input shaft of the transaxle. The electric oil pump is turned by an electrical motor and is mounted on ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Special Service Tools


Special Service Tools Tool Name / NumberIllustrationDescriptionBand installer09495 - 39100Installation of hook type boot band.Band installer09495 - 3K000Installation of ear type boot bandLower arm ball joint remover0K545-A9100Removal of front lower arm from front axle Personal Protective Equipment NameIllustrationDescriptionInsulation ...

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