> Does anyone have an idea what might be causing this? Is there > something that can can an overpressure or backpressure situation that > could "blow" the hose off the radiator? Yes, if your fan motor is not working the coolant can boil, causing excess pressure. | Dan | -- Dan Simoes dans@audifans.com/dans@vwfans.com www.audifans.com/www.vwfans.com