Newish belt, New alternator, New A/C Tensioner and belt. New main tensioner. Waxed it, not belt. Is there a common problem? Happens Cold at first start up through fully warmed. rises with more RPM. Will the water pump make a noise like this when it shows wear? 115K. Not familiar with water pump symptoms on the LS motors when they go bad. Squeaks like a mouse. High pitch. No other symptoms. Any seasoned technical expertise welcomed. I haven't pulled the belts yet or used WD40 on the bearings yet. Looking for the common problems please. thank you.