Civic L4-1.8L (2006)
Radiator Cap: Testing and Inspection
Radiator Cap Test
1. Remove the radiator cap (A). Wet the seal with engine coolant, then install it on a commercially available pressure tester (B).
2. Apply a pressure of 93 - 123 kPa (0.95 - 1.25 kgf/cm2, 14 - 18 psi).
3. Check for a drop in pressure.
4. If the pressure drops, replace the cap.
