Radiator Cap: Testing and Inspection
CHECKING RADIATOR CAPTo check radiator cap, apply pressure to cap with a tester.
Radiator cap relief pressure:
Standard 78 - 98 kPa (0.8 - 1.0 kg/cm2, 11 - 14 psi)
Limit 59 - 98 kPa (0.6 - 1.0 kg/cm2, 9 - 14 psi)
Pull the negative pressure valve to open it. Check that it closes completely when released.