Anti-Afterburn Valve

W/AUTOMATIC TRANS. & AIR CONDITIONING

1. Run engine until normal operating temperature is reached and continue to run at idle.
2. Close anti-afterburn valve air intake port on bottom of valve and ensure air is not drawn in.
3. Turn air conditioning on and ensure air is drawn into intake port of anti-afterburn valve for several seconds.
4. Replace valve if operation is not as described.