Sounds more like an old hose and it burst at the weak point. More then likely a few minutes after shutdown when the water temp and pressure tends to rise due to heat soak. I've had my share of burst hoses on numerous cars and trucks...usually right after I purchase replacement hoses but before i get a chance to put them on! <img src="/forums/images/graemlins/rolleyes.gif" alt="" />

-Todd
1987 Montero 2.6l 5-speed (Sold...but I still miss her)
2008 Jeep Patriot Sport 4x4