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Home >> Subaru >> 1985 >> Brat Standard >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System >> Component Testing >> Check Valve

Check Valve

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By blowing into check valve, ensure there is no air flow from the intake manifold side to the ASV solenoid valve side. Turn valve around. By blowing into check valve, ensure there is air flow from the ASV solenoid side to the intake manifold side. See Fig 1 .

Fig 1: Sectional View of ASV Check Valve
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