i bought a 2003 tb a few months ago has been a decent car except all of the terrible mechanical work that was done to it prior to ownership but that i could fill a whole forum with...latest problem happened monday i had over heated it (clutch fan was bad and i put electric fan in had not got the temp sensor switch in yet) i forgot to turn on fan and it was boiling over by time i noticed...i refilled with water and drove the 75 mile round trip to work fine problems started wed on way to work half way there noticed temps climbing stopped short of the advertised 260 coolded an refilled water....noticed bottom of rad was cool...put thermostat in parking lot after work refilled coolant and made it about half way home before temp start to climb and i stopped and refilled water...so thoguth it was fact coolant watered down by now so i drained and added gallon and half antifreeze...on way to work today about half way it heated up agai n refill and makde rest of way...there is no water in oil no oil in water no steam out of exhaust and it runs as good as it has always...i have pulled water pump to see if mabe something stupid i know water pumps dont stop pumping as the way thery are designed but wanted to see maybe impeller is plugged or something...but it was not....radiator seems to be alright and i flushed it out with hose...when i take cap off radiator it does not seem like i am getting much flow through the top hose...i am at a loss as what to do next...i am gonna throw a rad at it maybe a a bucnch of the passages are clogged or somethign any one else have this problem...i had replaced thermostat 3 weeks ago and then again 2 days ago...today when i took out water pumop and seen nothing out of ordinary i took thermostat out again and took the spring and valve (opened up the orginal one) out of the neck and installed it filled it up and made about 15 to 20 miles and it just shot up to boiling over again please hel[