FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Evaporative Check Valve: Specifications

With vacuum applied
Should stabilize at 5 - 15 mm Hg (0.2 - 0.6 in.Hg)

With pressure applied
Should stabilize at 10 - 35 mm Hg (0.4 - 1.4 in.Hg)