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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Fuel Delivery System - 1.6L (Except HEV)) >> High Pressure Fuel Pump >> Repair Procedures >> Removal

Repair Procedures: Removal

WARNING: This page is about a different variant/trim than selected.
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. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Release the residual pressure in fuel line.

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

    CAUTION:
    • When removing the fuel pump fuse, a Diagnostic Trouble Code (DTC) may occur.
    • Delete the code with the diagnostic tool after completion of "Release Residual Pressure in Fuel Line" work.
  3. Remove the air cleaner assembly.

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

  4. Disconnect the engine wiring connector and harness clamp.
    G14525272Courtesy of HYUNDAI MOTOR AMERICA
  5. Disconnect the fuel pressure control valve connector (A).
  6. Disconnect the fuel feed tube quick-connector (B).
    G14525273Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • Open the clamp cover (B) before disconnect the quick connector. (If the clip is applied)
    G14525274Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • When removing the quick-connnector with the clip removing tool (A), be careful not to damage the plastic clip (B).
    • If the clip is damaged, fuel line leak can be occurred due to a bad connection.
    G14525275Courtesy of HYUNDAI MOTOR AMERICA
  7. Remove the high pressure fuel pipe function block mounting bolt (A) and then remove the flange nut (B) using the SST (SST No.: 09314-3Q100 or 09314-27130).

    Tightening Torque (bolt): 

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

    Tightening Torque (nut): 

    29.4 - 35.3 N.m (3.0 - 3.6 kgf.m, 21.7 - 26.0 lb-ft)

    G14525276Courtesy of HYUNDAI MOTOR AMERICA
  8. Remove the high pressure fuel pump from the cylinder head assembly after loosening mounting bolt (A).

    Tightening Torque: 

    12.7 - 14.7 N.m (1.3 - 1.5 kgf.m, 9.4 - 10.8 lb.ft)

G14525277Courtesy of HYUNDAI MOTOR AMERICA