i have only put a couple hundred miles on my sy,its all stock,but i noticed a loss of power after it sits once its been up to operating temp,i figured maybe charger cooler heat soak,i crawled under my truck after some in town drivin and charge cooler radiator was cool and my charge cooler was as very warm,i tested my pump according to my service maual and it doesnt run, where can i find a new stock repalcement pump? thanks guys