does the car make a slight whining noise. or any sign of the water pump going out again?
are you sure you sealed teh water pump correctly?(the gasket?)
have you tried to change the cap? when you filled the system after replacing the radiator did you run teh car and put let the fluid be pulled in?
We all get the urge...Saturday early morning...nothing to do till noon...
The aural sensations of 1st gear WOT
**CGM **(Certified Garage Mechanic)