MPV ES 4WD V6-3.0L SOHC (1997)
Evaporative Check Valve: Testing and Inspection
Check Valve (Two-Way)
1. Remove the check valve.
2. Blow air into port B and verify that air smoothly flows from port C.
3. Blow air into port C and verify that air smoothly flows from port A.
4. If not as specified, replace the check valve.