MPV DX V6-2.5L DOHC (2000)
Vacuum Brake Booster Check Valve: Testing and Inspection
VACUUM HOSE CHECK VALVE INSPECTION (POWER BRAKE UNIT)
1. Remove the clamps and vacuum hose.
2. Apply both suction and pressure to the engine-side hose, and verify that air blows only toward that side.
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If air flows in both directions or not at all, replace the vacuum hose.
