My cougar I just got is having plenty of issues right now, I thought I had the overheating problem fixxed when I replaced the water pump, but its haunting me still. When I am going around town, it gets warm, but doesn't overheat. When I get on the freeway, after about 10 miles or so, the gauge creeps up, gets into the red, and starts beeping(digital dash). It won't do this if I run the heater full blast, but with it being in the upper 80's here recently, thats not very fun. So far I have replaced: Water pump, Serpentine belt, and Thermostat. Thermostat helped a little bit, water pump kept it from overheating for a while, and made it so it didn't overheat driving around. What next? I'm taking into a shop tonight to get the cooling system flushed, what else could it be? This is getting frustrated, especially since my torino just blew an exhaust manifold gasket last night, and now I have to fix it in a couple of hours today after work!