Radiator Cap Test
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2009 Honda S2000, 2008 Honda S2000, 2007 Honda S2000, 2006 Honda S2000, and 2005 Honda S2000. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the radiator cap (A), wet its seal with engine coolant, then install it on the commercially available pressure tester (B).
- Apply a pressure of 93-123 kPa (0.95-1.25 kgf/cm2, 14-18 psi).
- Check for a drop in pressure.
- If the pressure drops, replace the cap.