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Home >> Kia >> 2020 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System (PHEV) >> Oil Cooler >> Repair Procedures >> Installation

Repair Procedures: Installation

  1. Apply engine oil to the oil cooler packing surface (A).
    G13361338Courtesy of KIA MOTORS AMERICA, INC.
  2. Install the oil cooler (A) with a fixing bolt (B).

    Tightening torque: 

    44.1 - 53.9 N.m (4.5 - 5.5 kgf.m, 32.5 - 39.8 lb.ft)

    G13361339Courtesy of KIA MOTORS AMERICA, INC.
    NOTE: Fix position of oil cooler stopper where oil cooler resists on ladder frame stopper.
  3. Apply engine oil to the oil filter packing surface and install the oil filer (B).

    Tightening torque: 

    11.8 - 15.7 N.m (1.2 - 1.6 kgf.m, 8.7 - 11.6 lb.ft)

  4. Connect the oil cooler hose (A)
    G13361340Courtesy of KIA MOTORS AMERICA, INC.
  5. Fill the engine coolant.

    (Refer to Cooling System - "COOLANT ")

  6. Start the engine and check for leaks.