k with my non-pro input i had an annoying ass sqeak left wheel area took it to a mechanic and he said it was break pads put new ones in and it was fixed and he THOUGHT it was the joint u got replaced but wasnt and i didnt lose the 100 neways if that think he sprayed stopped it why dont u just take off the bolts and lube it up really good it might just have no grease on it the ppl might just want a sale for the bearings or w/e they say it is