Are there any Freepers out there that can help me w/a an automotive repair question? I'm trying to replace my ball joints (upper & lower) in my '94 GMC Sonoma 4x4, and ran into difficulty -- I can't separate it from the steering knuckle! I managed to get the rivets & castle-nut off, but can't get the stud out of the knuckle. I'm trying to replace a ball joint in my '94 GMC Sonoma 4x4 . . . I can't use the special ball joint separator tool I borrowed from the auto store b/c the front transaxle is in the...