Radiator Cap: Inspection
WARNING: This page is about a different car, the 2004 Subaru Baja. However, it is still accessible from the selected car via links, so may be relevant.
- Attach the radiator cap to tester.
- Increase the pressure until tester gauge pointer stops. Radiator cap is functioning properly if it holds the service limit pressure for 5 to 6 seconds.
Coolant filler tank side
Standard pressure:
93 123 kPa (0.95 1.25 kg/cm 2 ,14 18 psi)
Service limit pressure:
83 kPa (0.85 kg/cm 2 ,12 psi)
Radiator side
Standard pressure:
122 152 kPa (1.24 1.55 kg/cm 2 ,18 22 psi)
Service limit pressure:
112 kPa (1.14 kg/cm 2 ,16 psi)
CAUTION:
- Be sure to remove foreign matter and rust from the cap in advance otherwise, results of pressure test will be incorrect.
- Do not mix up the coolant filler tank side cap with radiator side cap.