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Home >> Kia >> 2021 >> K5 EX >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel Delivery System - 1.6L >> High Pressure Fuel Pump >> Repair Procedures >> Installation

Repair Procedures: Installation

  1. After checking the pump drive cam position, place the cam position to BDC by turning the damper pulley in the direction of clockwise.
    NOTE: If the oil pump is installed in a position other than the BDC, the following problems may occur.
    • O-rings may be damaged due to incomplete tightening.
    • High pressure fuel pump piston tightening bolt thread may be damaged.
    G13834204Courtesy of KIA MOTORS AMERICA, INC.
  2. Apply engine oil to the O-ring (A), roller tappet (B), protrusion (C) and mounting groove of the high pressure fuel pump.
    G13834205Courtesy of KIA MOTORS AMERICA, INC.
  3. After installing the high pressure fuel pump (A) and the roller tappet (B), tighten the bolt by hand.
    G13834206Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • When tightening the installation bolts of the high pressure fuel pump, pretighten the bolts by hand, and then fully tighten in turns in small steps (0.5 turns).
    • Do not reuse the bolts.
  4. Tighten the high pressure fuel pump bolts with specified torque.

    Tightening torque: 

    12.8 -14.7 N.m (1.3 - 1.5 kgf.m, 9.4 - 10.8 lb.ft)

  5. Connect the fuel feed tube (A) and close the clamp cover (B).
    G13834207Courtesy of KIA MOTORS AMERICA, INC.
  6. Install the high pressure fuel pipe.

    (Refer to " High Pressure Fuel Pipe [High Pressure Fuel Pump ↔ Delivery Pipe]  ") 

  7. Connect the fuel pressure control valve connector (A).
    G13834208Courtesy of KIA MOTORS AMERICA, INC.