Possibly road debris; we have raised this scenario before.Ok So I'm replacing the CV joint on my front drive shaft. I have been carefully inspecting the boot which had only just torn and I caught it before any grease had come out. It tore radially exactly along the line of the gradient change in the thickness of the boot palpable when you insert your finger into the boot.
So please excuse me but from observation of my boot it does not look like a pinch and in fact if you take the still good axel end CV joint to its extreme range and shine a light behind you can clearly see a gap at the apex of the fold. There is no possibility of a pinch that I can see. See images. Or am I missing something. ???
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