Variable Induction Check Valve: Testing and Inspection
VARIABLE AIR DUCT (VAD) CHECK VALVE (ONE-WAY) INSPECTION1. Remove the VAD check valve (one-way). (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION.)
2. Blow through A and verify that air flows from B.
3. Blow through B and verify that air does not flow from A.
- If not as specified, replace the VAD check valve (one-way).