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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Hybrid Motor Cooling System (HEV)) >> Reservoir >> Repair Procedures >> Inspection >> Radiator Leakage Test

Radiator Leakage Test

WARNING: This page is about a different variant/trim than selected.
  1. Wait until engine is cool, then carefully remove the inverter reservoir cap and fill the reservoir with coolant, then install it on the pressure tester.
  2. Apply a pressure tester to the reservoir and apply a pressure of 93.16 ~ 122.58kPa (0.95 ~ 1.25kgf/cm2 , 13.51 ~ 17.78psi).
    Fig 1: Applying Pressure Tester To Reservoir
    G11818980Courtesy of KIA MOTORS AMERICA, INC.
  3. Inspect for inverter coolant leaks and a drop in pressure.
  4. Remove the tester and reinstall the inverter reservoir cap.
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