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squealing brakes |
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Galaxian ![]() GT86 Senior ![]() ![]() Joined: 31 Aug 2013 Location: Birmingham Status: Offline Points: 869 |
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Cosworth streetmaster definitely work.available from fensport
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Grey GT86, MT, Alcantara, SatNav, reversing sensors, HKS filter and uel manifold, avo overpipe , Berk HFC, Miltek res exhaust, Perrin intake, Fensport ECUTek tune
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Mr Slow ![]() GT86 Newbie ![]() Joined: 26 May 2016 Location: Warrington Status: Offline Points: 76 |
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It's the compound of the pads causing the squeal, the only 100% fix is a replacement pad.
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Cenedd ![]() GT86 Senior ![]() Joined: 26 Mar 2015 Location: Watford Status: Offline Points: 729 |
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You can get the front pads replaced under warranty as it's an accepted problem and the new pads do seem to fix it. However, they don't (and won't) replace the rears which are more prone to squealing as they do less of the braking. Still, it saves you 50% of the cost.
I went with StopTech grooved discs on the rear and some Project Mu pads I got from the 'for sale' forum. Looked at putting them on the front too but they're unreasonably expensive new! |
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Furnate ![]() GT86 Senior ![]() ![]() Joined: 11 Dec 2015 Location: Manchester Status: Offline Points: 780 |
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I have streetmaster rears, they squeal like mad. ![]() |
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Rich
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yams ![]() GT86 Groupie ![]() Joined: 02 May 2014 Location: Notts Status: Offline Points: 364 |
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Was mentioned to me today that the squeal from OE/some AM pads is down to a too smaller groove in the middle of the pad that collects brake dust & has no where to escape. If you can widen the groove yourself you can remove the squeal....?! Maybe, anyway. |
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Red, Eibach Pro springs, Blitz adv power induction, black Rota Torques with Mich CC+'s, re-badged black, prv plate, BC lights..... & lots of other little random mods.
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Matthias Sammer ![]() GT86 Newbie ![]() ![]() Joined: 04 Feb 2017 Location: Winchester Status: Offline Points: 47 |
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Question chaps, does the squealing affect braking performance at all?
I mentioned it to the dealer a week ago (a week after collecting - 2012, 35k) that I was hearing squeals but would give it a week or two more before deciding whether to get it checked out. I've sadly not driven loads lately. |
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Cenedd ![]() GT86 Senior ![]() Joined: 26 Mar 2015 Location: Watford Status: Offline Points: 729 |
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It's basically caused by the pads glazing because you're driving it too sensibly. If you brake harder it'll deglaze the pads for a while. So logically it should reduce performance until it wears off. Mainly it's damned irritating and deafens pedestrians.
The TSB (Toyota Service Bulletin) only covers replacing the front pads...but as brake force is biased to the front, the rear pads are likely to glaze more (in my head). I'd use the TSB as a way to get a free replacement of front pads and then stick either decent pads on the back or grooved discs and decent pads if you want to make sure. I did this and was pleased enough to then do the front too. |
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gazza82 ![]() GT86 Groupie ![]() Joined: 09 Aug 2016 Location: UK Status: Offline Points: 160 |
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Always been pad material in my book ... grooves or no grooves ... |
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Eddie342 ![]() GT86 Newbie ![]() ![]() Joined: 07 May 2017 Location: Lincolnshire Status: Offline Points: 4 |
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I have this issue too, just on the front left, earlier today I removed the pads, cleaned and re-greased the sliders, sanded off a slight ridge on the discs and away I went, 10 miles and no noise, pulled up at home and the bugger's back.....so when you find a solution, be sure to post it...
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Cenedd ![]() GT86 Senior ![]() Joined: 26 Mar 2015 Location: Watford Status: Offline Points: 729 |
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As Gazza said, it's the material the pad is made of. It supposed to be quite good for track use but that means for sedate road use it glazes over and squeals. Your choices are to change material, get grooved (or C-hooked) discs that deglaze the pad (possibly at the expense of pad life) or both.
If it's of any help, I've got the StopTech grooved discs front and back (sensibly priced and decent performance), StopTech pads on the front and Project Mu on the rear. Didn't go for the Mu's on the front solely because of the price. |
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