Ya I hear ya man, is the car throwing a SES light? Im assuming it is and your gonna scan it. If ya got any questions let me know I literally just did this less then a month ago or so.

heh and watch this for th "Redneck Version" Once again I am not a big supporter for this but it worked for me, just make sure to pull your plug wires and if you feel the need kill the fuel line.

Removing a harmonic balancer bolt on a Buick 3800 V6 - YouTube