Originally Posted by gcfcos
Just spoken to my mate and totally forgot it wasn't the bloody wing that caused it lol, it was one of the track control arms! Someone had replaced one with an aftermarket and it was slightly longer than the other by a few mm, it was at least 10 years ago so memory was a bit off lol
In fact after another chat we have seen it on another Sierra as well, we had one into our old
Work with the same problem and that was the track control arm again.