Slayer Posted April 17, 2023 Share Posted April 17, 2023 Hi guys, need some help to understand what is wrong with the brake. I just had the UK spec brake callipers and discs installed on my supra. it is making some knocking noise as the wheel turns, I took of the wheel to find that the pads are actually moving as the wheel turns !! wrong size of pads ? Or issue with installation ? video attached Link to comment Share on other sites More sharing options...
rider Posted April 17, 2023 Share Posted April 17, 2023 The clips should hold the pads fairly square on to the calliper and tight with channels only to move in and out as the piston is applied and released. So if yours are slapping around then you have the wrong or badly fitting pads. Link to comment Share on other sites More sharing options...
Slayer Posted April 17, 2023 Author Share Posted April 17, 2023 Thanks Rider, unlikely the pads were fitted incorrectly. Disappointing if Mtec sent me the wrong pads, as I bought the uk spec discs and brake pads from them. Will need to call tomorrow and check. I had a look on the other sides as well, looks like the pads were all a bit “loose”, so unlikely the mechanic fitted all incorrectly. Link to comment Share on other sites More sharing options...
rider Posted April 17, 2023 Share Posted April 17, 2023 (edited) Its an easy mistake to make, like any 50:50 choice. But, it is common to have a larger front disc. I had a hub oil seal fitted the wrong way around on one car, that was a 50:50. I had another car where the crank seal was fitted the wrong way around, another 50:50. It looks like some mechanics probably just toss a coin. Edited April 17, 2023 by rider (see edit history) Link to comment Share on other sites More sharing options...
Slayer Posted April 17, 2023 Author Share Posted April 17, 2023 Am I missing any bit of fitting clips or things to stop the pads from moving ? I obviously am not an expert, but looking at the callipers and the pads, am I actually missing something ? Well, I would have thought the mechanic would have known better. I just check Mtec site, I did buy the correct parts and I assumed they sent me the right parts. I bought the pads and shim kits. Anything else I need to fit the pads? Link to comment Share on other sites More sharing options...
rider Posted April 18, 2023 Share Posted April 18, 2023 On the jspec brakes there are pad retaining spring clips that stop the pads moving around. I don't know if the UK brakes have the same setup, if they do are the clips there? They look like this on the jspec brakes Link to comment Share on other sites More sharing options...
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