i drive my car, normally its a vauxhall sintra 2.2 ,it gets warm wen im stationary , wen i stop and turen engine off its bubling in that water bottle and water pours out the water bottle top, i noticed the bubbles seem to come from the htermostat pipe that leads to the water bottle

kelvin, January 2009

try replacing the thermostat you can strip them and clean but better to replace

reg, January 2009