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Hi all,
i just installed new pads yesterday and when I test drove it. It has a lot of grinding noise. I did change out those clips that I don’t usually do. I did notice that my rotor has a lip at the edge, so if I tried to run my finger off the rotor, it would get caught at that lip. Do I need to change the rotors also?
I've routinely gone two sets of pads to a set of rotors on all my MINI including GEN1 .... pads IME were the same size so the lip on the rotor had no impact. If the lip IS having an impact you should see signs on the pad face almost immediately
DO you have a GEN1 car?
Did you get the clips on the rear inner pads properly seated in the grooves on the caliper piston??? If not, that pad is probably too close to the rotor and not properly disengaging ... aka dragging
disregard the red circle, it is for a different question ... but this is a rear inner pad for GEN1 car. See those 'wires' ... they clip the pad to the piston which has a groove .... if not clipped in the pad will ride OVER these and be too close . . .
Best practices for me = new rotors, pretty cheap insurance.
Second best if doable is turn rotors to a smooth surface.
I realize many people slap new pads on, hopefully they aren't the ones who are going to smack into my car because they cheated themselves out of a few extra feet of stopping distance.
todays rotors are not as 'over built' as were the rotors of old. That is, they are not as thick when new as they were 20 years ago ... today everything is lighter to save weight ...
result is today's rotors don't typically react well to being "turned" "skimmed" or resurfaced. Doing so often reduces the rotor to less than minimum thickness. Not to mention that since few folks try to resurface rotors anymore just finding a shop with the equipment and SKILL can be a problem. Last set I tried to have skimmed (not a MINI) the shop ruined the rotors and gave me replacements for the cost of the attempted ride on the lathe ....
In the beginning MINI said replace the rotors with every pad change .... period. They soon revised this policy to using the rotors when remaining thickness warranted but I've never experienced a MINI dealer resurfacing rotors .... they saved $$.
07-29-2018, 01:06 PM
