Radiator Cap Test: Test

How to use this service information .

1. Radiator Cap - Test

   Preconditions 

   • Radiator Cap Removed - Refer to: Radiator Area (2.0L Engine) (2024 2025) or Radiator Area (1.5L Engine)

     NOTICE: 

     Wait until the engine is cool, then carefully remove the cap.

   Procedure/Specifications 

   1. Refer to the figure.

   Tool Details 

   Name
   a	Pressure Tester (Commercially Available)

   NOTICE: 

   Wet the cap seal with engine coolant, then install the radiator cap (b) on a commercially available pressure tester.

   Courtesy of HONDA, U.S.A., INC.

   2. Check for a drop in pressure.

   Specifications 

   Object	Condition	Specification
   Radiator Cap	Apply a pressure of 93-123 kPa (0.95-1.25 kgf/cm 2, 13.5-17.8 psi)	Pressure does not drop

   Result 

   • If it is abnormal, replace the cap.