Subaru IMPREZA GD 2007 Series Manual page 85

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COOLING
8. Radiator Cap
A: INSPECTION
1) Attach the radiator cap to tester.
2) Increase pressure until the tester gauge pointer
stops. Radiator cap is functioning properly if it holds
the service limit pressure for five to six seconds.
Replace the radiator cap if it is opened under a
pressure less than the service limit value.
Standard:
93 — 123 kPa (0.95 — 1.25 kgf/cm
Service limit:
83 kPa (0.85 kgf/cm
CAUTION:
Be sure to remove foreign matter and rust from
the cap in advance. Otherwise, results of pres-
sure test will be incorrect.
Radiator Cap
CO-00044
2
, 14 — 18 psi)
2
, 12 psi)
CO(H4SO)-26