Frontier SC King Cab 4WD V6-3.3L SC (VG33ER) (2001)
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Radiator Cap: Testing and Inspection
CHECKING RADIATOR CAP
To 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.
