I'm currently trying to setup my Precision Bass for the first time. The problem is that it has been buzzing on several frets on each string of the bass. Here is what I did so far: First I slightly turned the truss rod counter clockwise, and let it sit overnight (I did this because I have a Dan Earliwine DVD that states to always loosen it first.) After waiting 24 hours, I installed a capo on the 1st fret, and pressed the last fret of the E string. I used a feeler gauge, and measured the distance from the top of the 8th fret to the bottom of the string. It measured .025. I went by Fender's setup guide, and saw the recommended distance. I then adjusted the truss rod a quarter turn clockwise, and re-tuned the bass to pitch. I installed the capo, and pressed the last fret again. This time the distance is .020. I will wait until tomorrow night, and measure again. I just want to make sure that I am on the right track? Also, what is most likely the problem that I am dealing with. Is the bass in a back bow?