Hi all, We've just returned from a 400 mile round trip to the in-laws with no problems to report. Then, this morning, on a drive up to Perth, I became aware of a noticeable knocking sound coming from the o/s front wheel (I think). It was most obvious at about 55mph, but could be heard clearly up to and beyond 70mph - it was noisiest when going downhill and disappeared completely when I braked. It didn't seem to make any difference if I was steering left or right at the time. It doesn't seem to be making any noise at lower speeds. I recently had the front discs and pads changed, and the front o/s calliper was also replaced as the old one had seized, apparently. The car's just turned over 69,000 miles. The o/s CV boot kit was fitted at 44,000 miles, and the n/s was done at 47,000 miles. Additionally, the n/s front lower ball joint was replaced at 51,000 miles. Any tips welcome! Cheers, A.