well I got around to doing the rear pads this morning. Wheels were a right pain to get off, there was a lot of furring (I guess thats corrosion of the alloys?) around the central hub bit and needed a lot of banging and waggling side to side to get them off, more corrosion on the rear mating surfaces which looks like maybe it was wet when the wheels were put back on? - not come across that before.
I have done 64k miles and I really dont think the pads have been changed in that time - could be wrong but really dont remember it. They were in a bit of a state and looked very old.
One side still had a few mm left, and there was a ring of corrosion around the edge of the disc about 8mm wide - bit strange as the pad should have been contacting some of this. A very light lip on the centre of the disc (seems like more pressure was applied nearer the center than at the edge) but I dont think it needed the disc changing.
On the other side the pads were quite a bit more worn down - all of the friction material had gone on one edge and the metal backplate had been in contact with the very outside edge of the disc. There was no apparent scoring of the disc though and no lip so I think this disc is probably ok too.
The caliper rewinding tool wasnt very easy to use - got one from halfords but didnt seem to fit all that well. Managed it in the end but wasnt easy.
Again, putting the wheels back on was a bit tricky and had to rub off a lot of the corrosion that was making it too tight to fit. Is there anything I can do about this? I wondered about putting copperslip around the wheel mating surfaces but decided against it.
Oh, should I have put any loctite or anything on the caliper bolts whe they went back in? They seemed to have some blue stuff on them but I have just bunged them back in without anything on.
So it was a relatively easy job but took a bit longer than I expected having to wrestle with the wheels. It has cured the squeaking noises too which is good.
Next job is the fronts - pads and discs needed there, next weekend maybe.
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