Post #1
I am having an issue when brakingThis is my second set of brembos, red ones I still have I haven
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TEAM HIGH BOOST SUPERCHARGED RALLYEMy Rallye project thread
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displaying posts 1 to 11 of 11
| Author | Subject: my brakes are wobbling again |
 russbez
Seasoned Pro  Location: Inverness-Shire Registered: 19 Dec 2005 Posts: 7,458 Status: Offline |
This is my second set of brembos, red ones I still have I haven My Rallye project thread |
 Posted 1st Apr 2010 at 19:00
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #2
could be bent mounting bolts or lugs.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 1st Apr 2010 at 19:19
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roland rat
Yeeeah Rat fans!  Location: Swansea Registered: 29 Nov 2006 Posts: 22,282 Status: Offline |
Post #3
driveshaft? |
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Posted 1st Apr 2010 at 19:20
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cosmic spanner
Moral objector  Location: North London Registered: 11 Oct 2004 Posts: 10,399 Status: Offline |
Post #4
Just out of interest, do your discs have the small locating grub screws? Sounds crazy, as I know the wheel nuts should be holding everything together, but just wondering as I've noticed something myself with these...As for uneven pad contact, I would also check that the pistons, particularly on that side it would be the smaller one at the top, are clean and moving freely. ________________________________________ Democracy is two wolves and a lamb voting on what to have for lunch....Liberty is a well-armed lamb contesting the vote. Project é - my 306 project thread. |
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Posted 1st Apr 2010 at 19:43
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phillipm
Seasoned Pro  Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #5
Check the calipers are sitting flush on the mounts and not on a bit of rust, etc. Tend to get that when they're not set square.________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 1st Apr 2010 at 19:43
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russbez
Seasoned Pro Location: Inverness-Shire Registered: 19 Dec 2005 Posts: 7,458 Status: Offline |
Post #6
reasonable suggestions! the short drive shaft (passenger side) is a reasonably new one from a local iircand theres little of no wobble through steering wheel or gear stick when accelerating atm bolts have been on and off a few times, its just 406 coupe brembos bolted straight on never really looked at the bolts  i do have the locating grub screw, i only put one of them in, just so am not arsing around taking wheels on and off trying to get everything to line up. I never tighten them up too much as I have had issues getting them out in the past had the said calliper off last night, pistons came out quiet nicely and callipers are in very good nick I squeezed them onto a block of wood, cleaned everything up and re-bled the passenger side calliper ________________________________________ TEAM HIGH BOOST SUPERCHARGED RALLYEMy Rallye project thread |
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Posted 1st Apr 2010 at 19:58
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iplay
Seasoned Pro  Location: Number Wang Registered: 18 May 2006 Posts: 3,268 Status: Offline |
Post #7
If a disc warps and is driven for even a short distance the pads take on an uneven shape.Replacing the warped disc and using the same pads will warp a new disc in very little time. Even if the pad is slightly uneven the pressure exerted by the pads and heat generated by the discs is enough to warp. |
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Posted 2nd Apr 2010 at 01:48
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tvrfan007
Seasoned Pro  Location: In the garage Registered: 29 May 2005 Posts: 3,488 Status: Offline |
Post #8
Was the hub flange thoroughly cleaned?________________________________________ I'm Si btw Night Blue VW Golf GTD Bianca LBSC Rallye - Track/Road Slag Project Thread Sparkling Silver Mini Cooper D - Super Dooper  - (The other half's wheels) |
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Posted 2nd Apr 2010 at 12:51
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russbez
Seasoned Pro Location: Inverness-Shire Registered: 19 Dec 2005 Posts: 7,458 Status: Offline |
Post #9
tvrfan007 wrote: Was the hub flange thoroughly cleaned? iirc... no but all i done was remove old calipers and fit the newer ones i had, will have wire brush to had to will look properly when i take them off again ________________________________________ TEAM HIGH BOOST SUPERCHARGED RALLYEMy Rallye project thread |
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Posted 2nd Apr 2010 at 16:24
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russbez
Seasoned Pro Location: Inverness-Shire Registered: 19 Dec 2005 Posts: 7,458 Status: Offline |
Post #10
iplay wrote: If a disc warps and is driven for even a short distance the pads take on an uneven shape. Replacing the warped disc and using the same pads will warp a new disc in very little time. Even if the pad is slightly uneven the pressure exerted by the pads and heat generated by the discs is enough to warp. okay clean everything up and buy more pads and discs? will i bother getting disc machined? ________________________________________ TEAM HIGH BOOST SUPERCHARGED RALLYEMy Rallye project thread |
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Posted 2nd Apr 2010 at 13:56
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russbez
Seasoned Pro Location: Inverness-Shire Registered: 19 Dec 2005 Posts: 7,458 Status: Offline |
Post #11
anyone tell me if there is any reason why i should be my old discs machined straight? they might not actually be badly out of shape, but I can get it done at work very accuratelythese discs are barely 2000 mile old iirc I have bought new pads ________________________________________ TEAM HIGH BOOST SUPERCHARGED RALLYEMy Rallye project thread |
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Posted 9th Apr 2010 at 19:56
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