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James R

posted on 20th Dec 05 at 10:42

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.


broster

posted on 20th Dec 05 at 09:54

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?


willay

posted on 20th Dec 05 at 09:52

if they are new disks, remember they need bedding in before they are super fantastic.


broster

posted on 20th Dec 05 at 09:16

i think someone did lol!


Siberia

posted on 20th Dec 05 at 09:16

mark thats pretty fecking horendous there:lol: looks like you got a chizzle out to them :lol:


broster

posted on 20th Dec 05 at 08:55

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


check the inside of the discs!


Rileysport

posted on 20th Dec 05 at 08:19

could also be a caliper fault or a worn bush, are the bolts all nice and tight???


Siberia

posted on 20th Dec 05 at 08:13

are the disks new or used? dont file the caliper!


corsa120

posted on 19th Dec 05 at 19:03

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


Joe

posted on 19th Dec 05 at 19:01

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

posted on 19th Dec 05 at 18:59

cheez dudes ill c what happens

lets hope i get big bonus as cant afford any for next couple of weeks


scooby80uk

posted on 19th Dec 05 at 18:32

Sounds like warped disks


Joe

posted on 19th Dec 05 at 18:01

Disc judder usually only happens at higher speeds unless they are really warped, you cant really tell they are by just looking though.


corsa120

posted on 19th Dec 05 at 17:39

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.