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Author v6 brake problems
corsa120
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Registered: 4th May 02
Location: Northamptonshire
User status: Offline
19th Dec 05 at 17:39   View User's Profile U2U Member Reply With Quote

fitted my v6 brakes with black diamond grooved/drilled discs now braking is all ok unless u are hard braking from about 70mph and above, i get alot of judder from pedal and steering wheel

do u think its warped discs as they look fine and sit fine etc, one thing i have noticed is on outer edge of disc there is marks of black, and i painted the inside of calipers black so wondering if discs are to big but why does it only do it at higher speeds

any idea's b4 i remove front wheels any else had similar prob

also i thinking b4 i buy discs i may file/drill caliper holes out so i can move caliper towards rim bit more.
Joe
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Registered: 20th Jun 04
Location: Hesketh Bank, Lancashire
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19th Dec 05 at 18:01   View User's Profile U2U Member Reply With Quote

Disc judder usually only happens at higher speeds unless they are really warped, you cant really tell they are by just looking though.
scooby80uk
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Registered: 27th Oct 05
Location: Sunderland,Tyne and Wear
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19th Dec 05 at 18:32   View User's Profile U2U Member Reply With Quote

Sounds like warped disks
corsa120
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Registered: 4th May 02
Location: Northamptonshire
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19th Dec 05 at 18:59   View User's Profile U2U Member Reply With Quote

cheez dudes ill c what happens

lets hope i get big bonus as cant afford any for next couple of weeks
Joe
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Registered: 20th Jun 04
Location: Hesketh Bank, Lancashire
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19th Dec 05 at 19:01   View User's Profile U2U Member Reply With Quote

I'd just leave it be anyway, if you can put up with the vibration neway. Mine judder when im braking heavily i just leave it be
corsa120
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Registered: 4th May 02
Location: Northamptonshire
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19th Dec 05 at 19:03   View User's Profile U2U Member Reply With Quote

yeh its not to bad it when u go high speeds like 70mph, 45-50 and below is ok really pedla feels fine so they must just be warped slightly
Siberia
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Registered: 9th Oct 03
Location: Leprechaun Land Drives : Zafira GSI
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20th Dec 05 at 08:13   View User's Profile U2U Member Reply With Quote

are the disks new or used? dont file the caliper!
Rileysport
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Registered: 18th Jun 04
Location: West Yorkshire
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20th Dec 05 at 08:19   View User's Profile U2U Member Reply With Quote

could also be a caliper fault or a worn bush, are the bolts all nice and tight???
broster
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Registered: 6th Dec 02
Location: Drives: E39
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20th Dec 05 at 08:55   View Garage View User's Profile U2U Member Reply With Quote

i had this problem with a set of black diamond discs.... this was the problem....


check the inside of the discs!
Siberia
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Registered: 9th Oct 03
Location: Leprechaun Land Drives : Zafira GSI
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20th Dec 05 at 09:16   View User's Profile U2U Member Reply With Quote

mark thats pretty fecking horendous there looks like you got a chizzle out to them
broster
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Registered: 6th Dec 02
Location: Drives: E39
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20th Dec 05 at 09:16   View Garage View User's Profile U2U Member Reply With Quote

i think someone did lol!
willay
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Organiser: South East, National Events
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Registered: 10th Nov 02
Location: Roydon, Essex
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20th Dec 05 at 09:52   View Garage View User's Profile U2U Member Reply With Quote

if they are new disks, remember they need bedding in before they are super fantastic.
broster
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Registered: 6th Dec 02
Location: Drives: E39
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20th Dec 05 at 09:54   View Garage View User's Profile U2U Member Reply With Quote

also if they wernt bedded in properly, then there can be high spots of brake pad compound on the discs which lead to an effect similar to warped discs! could skim them again?
James R
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Registered: 4th Feb 03
Location: 205GTi16/306GTi16
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20th Dec 05 at 10:42   View User's Profile U2U Member Reply With Quote

If all the bits are new, check that the drill holes are chamffered, as this could be making the disc sit oddly,
Then clean off the disc with some brake cleaner, cellulose thinner or similar to remove and ocmtamination as these will cause a judder. Then if all else fail put the old set up back on and see if it stops the porblem, if it's still there then think about tie bar bushes.

 
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