2021 Kia Rio LXFACTORY OEM SERVICE PROCEDURE

Repair Procedures: Installation

  1. Install the intake OCV & center bolt (A).

    Tightening torque:Β 

    27.5 - 31.4 N.m (2.8 - 3.2 kgf.m, 20.3 - 23.1 lb.ft) + (38 - 42Β°)

    G13704704Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • To prevent impurities from entering intake OCV & center bolt, wear rubber gloves.
    • When removing the intake OCV & center bolt, place a wrench at position (A) to prevent the camshaft from rotating.
      G13704705Courtesy of KIA MOTORS AMERICA, INC.
  2. Install the exhaust OCV & center bolt (A).

    Tightening torque:Β 

    27.5 - 31.4 N.m (2.8 - 3.2 kgf.m, 20.3 - 23.1 lb.ft) + (38 - 42Β°)

    G13704706Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • To prevent impurities from entering exhaust OCV & center bolt, wear rubber gloves.
    • When removing the exhaust OCV & center bolt, place a wrench at position (A) to prevent the camshaft from rotating.
      G13704707Courtesy of KIA MOTORS AMERICA, INC.
  3. Install the intake and exhaust variable force solenoid (VFS) valve (A).

    Tightening torque:Β 

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

    G13704708Courtesy of KIA MOTORS AMERICA, INC.
  4. Install the cylinder head cover.

    (Refer to Cylinder Head Assembly - "CYLINDER HEAD COVER ").

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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