Air Valve
WARNING: This page is about a different car, the 1994 Mazda 929. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect air hoses from air valve. Blow air through valve from port "A" and ensure air flows through valve when engine is cold. See Figure .
- Warm engine to normal operating temperature. Blow air through valve from port "A". Air should not flow through valve. Replace valve as necessary.