FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Radiator Cap: Specifications

Pressure Range In Which Cap Valve Is Open:
Above 88 ± 10 kPa (12.8 ± 1.4 psi)
Below -4.9 to -9.8 kPa (-0.7 to -1.4 psi)