Forester S F4-2.5L DOHC (1998)
Radiator Cap: Specifications
Pressure Range In Which Cap Valve Is Open:
Above .................................................................................................................................................................................... 88 ± 10 kPa (12.8 ± 1.4 psi)
Below ............................................................................................................................................................................ -0.98 to -4.9 kPa (-1.4 to -0.7 psi)