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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 43 (Engine Cooling System (HEV)) >> Radiator (Engine) >> 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 radiator cap and fill the radiator with engine coolant, then install it on the pressure tester (A).
    Fig 1: Testing Radiator Leakage
    G11815430Courtesy of KIA MOTORS AMERICA, INC.
  2. Apply a pressure tester to the radiator and apply a pressure of 93.16 ~ 122.58kPa (0.95 ~ 1.25kgf/cm2 , 13.51 ~ 17.78psi).
  3. Inspect for engine coolant leaks and a drop in pressure.
  4. Remove the tester and reinstall the radiator cap.
    NOTE: Check for engine oil in the coolant and/or coolant in the engine oil.
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