well i could waste money on another one that was not replaced but the sound seems like it is coming from the drivers side of the car or middle. the older shaft is on the pass side. the drivers side has had 2 new ones resently replaced less than a month ago. i got my ex mechanic father going to look at it when i take it to the af base so i can lift it over our heads. i just want to get more ideas from u all because im stumpped. and if nothing is found i will replace it.