i have an 85 vanagon westie. i = notice when i turn, i get a fairly noticeable 'grinding' noise. ive surmised = from reading the literature, etc, that this is probably either my bearings or = one of the (ball, j, cv?)joints down there. how can i go about = determining for sure what needs to be replaced? the noise happens when i turn both = ways, but is more pronounced when i turn to the left.