WARNING: This page is about a different car, the 2003 Mazda Protege5, 2003 Mazda Protege, 2003 Mazda MX-5 Miata, 2003 Mazda MPV, and 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
Remove catch tank. See Figure and Figure
. Plug one port and apply small amount of air pressure into other port on catch tank. Check for leaks. Replace catch tank if any leaks are present.