Checking Radiator Cap

To check radiator cap, apply pressure to cap with a tester.

Radiator cap relief pressure: 

Standard 

98 - 118 kPa (1.0 - 1.2 kg/cm ²  , 14 - 17 psi) 

Limit 

59 - 118 kPa (0.6 - 1.2 kg/cm ²  , 9 - 17 psi) 

Fig 1: Checking Radiator Cap