by TripleS » Thu Nov 21, 2013 1:26 pm
My 406 HDi needed its first set of new discs (it has discs on the front only) at about 48,000 miles, which was a bit earlier than I expected.
There seem to be a number of factors that affect pad and disc life, and they are not all related to driving style.
Cars that are not in regular use can suffer due to disc corrosion, and presumably the rough disc surface then causes more rapid pad wear. In many cases it might only be light surface rust, which is quickly polished off, rather than deeply pitted corrosion which leaves the disc surface more akin to that of a grinding wheel. I expect the latter causes much worse pad wear, until the disc has also worn sufficiently to get rid of the pitting.
Incidentally, are we all now finding that whereas in the 'good old days' we might go through about three or fours sets of pads per disc change, and now we have to renew the discs almost as often as the pads? If so, I expect this is because asbestos is no longer used, so the pads are now harder than they used to be.
Edited to remove a cockup with the quoting.
Last edited by
TripleS on Thu Nov 21, 2013 7:26 pm, edited 1 time in total.