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: Radiator Repair procedures


Inspection Radiator Cap Testing 1. Remove the radiator cap, wet its seal with engine coolant, and then install it on a pressure tester. 2. Apply a pressure of 93.16 ~ 122.58kPa (0.95 ~ 1.25kgf/cm?, 13.51 ~ 17.78psi). 3. Check for a drop in pressure. 4. If the pressure drops, replace the cap. Radiator ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Muffler Components and Components Location


Components 1. Front muffler2. Catalytic converter3. Center muffler4. Main muffler5. Gasket6. Hanger ...

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