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Home >> Subaru >> 1983 >> Brat GL, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Air Injection System >> Component Testing >> ASV-I
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Component Testing: ASV-I

Remove the air suction/cut-off valve. Remove three screws attaching cut-off valve assembly to reed valve. Apply vacuum to the cut-off valve diaphragm to determine if the valve is functioning normally. Check the reed valve assembly for cracks or other damage. Reassemble the 2 valves and reinstall.