Federal 4WD Turbo Models
Remove hoses from valve and blow air into intake manifold port. Air should not pass through valve. Blow air into vacuum valve port and ensure air passes through valve. Replace valve if it does not operate as outlined.
Remove hoses from valve and blow air into intake manifold port. Air should not pass through valve. Blow air into vacuum valve port and ensure air passes through valve. Replace valve if it does not operate as outlined.