Had my car 8 months, bought new 10 miles. I kept watching the intercooler reservoir and it never looked like any water was ever circulating. Water was always hot in bucket. My freinds Lightning intercooler pumps water in and out like you would not beleive. So I checked the pump and it seemed to be running. Got to looking further and the hoses to the pump were put on wrong. The pump was trying to push water up to the bucket and not pull from from it. So no circulation. I swapped the hoses and man what a difference. Water is flowing like crazy and its cool. Car runs much better when hot. After warming up if you dont see bubbles and water movment in reservoir, then you may have my problem. E mail me and I will tell you what to look for and how hoses should be routed. Now I can install the KB which came today.