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Home >> Kia >> 2022 >> Sorento Plug-In Hybrid SX >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel Delivery System (PHEV) >> Fuel Line >> Repair Procedures >> Removal

Repair Procedures: Removal

Low Pressure Fuel Line [Low Pressure Delivery Pipe ↔ Fuel Tank] 

  1. Release the residual pressure in fuel line.

    (Refer to Fuel Delivery System - "RELEASE RESIDUAL PRESSURE IN FUEL LINE ")

  2. Disconnect the negative (-) battery terminal.

    (Refer to Engine Electrical System - "AUXILIARY BATTERY ")

  3. Remove the engine cover.

    (Refer to Engine Mechanical System - "ENGINE COVER ")

  4. Open the clamp cover and disconnect the fuel feed tube (A).
    G14957153Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • When removing the quick-connector with the clip removing tool, be careful not to damage the plastic clip (A).
      G14957154Courtesy of KIA MOTORS AMERICA, INC.
    • Damaged clip can result in fuel line leakage due to bad connection.
    • There may be some residual pressure even after completing "Release Residual Pressure in Fuel Line", so cover the hose connection with a shop towel to prevent residual fuel from spilling out before disconnecting any fuel connection.
  5. Separate the fuel feed hose (A) by removing the fixing clip.
    G14957155Courtesy of KIA MOTORS AMERICA, INC.
  6. Separate the ventilation hose (A).
    G14957156Courtesy of KIA MOTORS AMERICA, INC.
  7. Remove the engine room under cover.

    (Refer to Engine Mechanical System - "ENGINE ROOM UNDER COVER ")

  8. Remove the rear engine room under cover (A) by removing the nuts and bolts.

    Tightening torque: 

    7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb.ft)

    G14957157Courtesy of KIA MOTORS AMERICA, INC.
  9. Remove the fuel tank.

    (Refer to Fuel Delivery System - "FUEL TANK ")

  10. Remove the fuel line (A) from the vehicle after removing the fixing clips.
    G14957158Courtesy of KIA MOTORS AMERICA, INC.

High Pressure Fuel Pipe [High Pressure Fuel Pump ↔ High Pressure Delivery Pipe] 

WARNING: In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by leakage of the high pressure fuel. So don't do any repair work right after engine stops.
  1. Release the residual pressure in fuel line.

    (Refer to the Fuel Delivery System - "RELEASE RESIDUAL PRESSURE IN FUEL LINE ")

  2. Disconnect the negative (-) battery terminal.

    (Refer to Engine Electrical System - "AUXILIARY BATTERY ")

  3. Remove the air cleaner.

    (Refer to Engine Mechanical System - "AIR CLEANER ")

  4. Remove the engine cover (A).
    G14957159Courtesy of KIA MOTORS AMERICA, INC.
  5. Remove the high pressure fuel pump foam (A).
    G14957160Courtesy of KIA MOTORS AMERICA, INC.
  6. Loosen the high pressure fuel pipe flange nut (A).

    Tightening torque: 

    32.4 - 35.3 N.m (3.3 - 3.6 kgf.m, 23.9 - 26.0 lb.ft)

    G14957161Courtesy of KIA MOTORS AMERICA, INC.
  7. Remove the high pressure fuel pipe after removing the flange nut (A).

    Tightening torque: 

    32.4 - 35.3 N.m (3.3 - 3.6 kgf.m, 23.9 - 26.0 lb.ft)

    G14957162Courtesy of KIA MOTORS AMERICA, INC.
  8. Disconnect the extension connector (A).
    G14957163Courtesy of KIA MOTORS AMERICA, INC.
  9. Remove the high pressure fuel pipe (A) after removing function block mounting bolt.

    Tightening torque: 

    9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

    G14957164Courtesy of KIA MOTORS AMERICA, INC.