2002 Grand Prix GT. 239,000 miles. Original radiator. Prestone green extended life coolant is what I use. Complete cooling system is flushed out about every 2 years which is around 50K miles. Now, I am getting a coolant leak about 2 tablespoons amount below the radiator on the passenger side, below the lower radiator hose. I can see the dampness of the coolant and drops of the coolant on the lower plastic protective guard. This does not leak all the time. It will only leak once every 2 weeks or so after driving maybe 1000 miles or so. I wipe up the coolant on the floor and wait the next day after driving to see if there is any more coolant, and there will be no leak. This has been going on since June. I do not want to add any kind of stop leak additive to the radiator. I have replaced both radiator hoses recently and checked the clamps and there is no coolant anywhere near them. I am sure there is no coolant leaking anywhere from the engine sides, so I know it is not the water pump or timing cover or coolant elbows. Has anyone ever had a radiator leak and then stop leaking? Anything else I should be looking a
