crasher Posted November 10, 2005 Report Share Posted November 10, 2005 Hmm, just when I thought it was starting to settle... Driving home last night my fronts started vibrating severely whilst under medium to heavy braking. However, this morning things were okay. I'd have thought that if it was that my front discs were warped (again ) then they would shudder and vibrate every time I used them???? Or could this be a fault of the ABS? I did not get any lights come on at all (unless the bulbs have gone as well ) Link to comment Share on other sites More sharing options...
SneakyMcC Posted November 10, 2005 Report Share Posted November 10, 2005 How many miles do the disc's have on them? Link to comment Share on other sites More sharing options...
Ska Posted November 10, 2005 Report Share Posted November 10, 2005 Nope, Sneakys right your discs have warped or worn down to the min. thickness. Just done mine had the same problem with virations; I've recently been doing a lot of motorway miles around the cotwolds etc and the vibration seems as if its comming from both the steering and the pedal- really annoying at the very least Seeing as your near the Malverns you may be using your anchors a lot more than expected Link to comment Share on other sites More sharing options...
crasher Posted November 10, 2005 Author Report Share Posted November 10, 2005 Discs have 2.5k on them - they were only replaced last month. Yes the vibrations are comming through the pedal and steering. Yes I do use them a lot Link to comment Share on other sites More sharing options...
Ska Posted November 10, 2005 Report Share Posted November 10, 2005 Only 2.5k? Hmmm... are they OE? I found that my pads were disintegrating as there are chips on the inner diameter of the discs. But 2.5k is way too early What about the bushes in the suspension/track arm assembly? Do the old shop window test; drive up to shop window so you can see the wheels then apply the brakes pretty firmly, then kepping a close eye on any lateral movement of the wheel, release the brake instantly. Or... just get someone to look at the wheel when you release the brake pedal I do think mines need changing becuase off driving around in some of gloucestershires more crapier roads in an attempt to get to work on time But when I did the brake change the other day there seems to at least 10 differnt bushes that could be potentialy worn on each side Has anyone else replaced any of these bushes? Link to comment Share on other sites More sharing options...
SneakyMcC Posted November 10, 2005 Report Share Posted November 10, 2005 I just chucked my old full set of discs and pads at the dump on Sunday I said to myself,"I bet summit happens and I need these" when i decided to finally chuck'em I fitted the Blackdiamond setup and kept the OE stuff in case summit went wrong. You could have tried them..... Link to comment Share on other sites More sharing options...
crasher Posted November 11, 2005 Author Report Share Posted November 11, 2005 I binned my OE stuff when I had the porsche kit fitted - bad move with hindsight I guess. I bet the black diamonds wouldn't be compatible with the porsche calipers i have fitted. Thanks for the info Ska, i may check these out this weekend. Link to comment Share on other sites More sharing options...
johnss8 Posted November 11, 2005 Report Share Posted November 11, 2005 Crasher, let us know if it is the brakes as i'm thinking about these instead of the black diamond, cheers Link to comment Share on other sites More sharing options...
SneakyMcC Posted November 12, 2005 Report Share Posted November 12, 2005 S8346 I not sure if the BD setup fits the 02 S8? Link to comment Share on other sites More sharing options...
Ska Posted November 12, 2005 Report Share Posted November 12, 2005 These people may be able to help: MOTORMANIA Link to comment Share on other sites More sharing options...
PSU Posted November 12, 2005 Report Share Posted November 12, 2005 I'll bet a tenner its one of the ABS sensors. I had the same problem earlier this year and it took Audi ages to locate the problem due to it being intermittent. The problem only appeared after half an hours driving or so and would disappear after the ignition had been turned off then back on again. The ABS and EPS lights would also illuminate but only occasionally. If a disk(s) is warped the vibration would be there constant. Link to comment Share on other sites More sharing options...
johnss8 Posted November 12, 2005 Report Share Posted November 12, 2005 They only list the 4.2v8 98-03 so thinking that they don't do them unless the 4.2 and s have the same brakes. Link to comment Share on other sites More sharing options...
crasher Posted November 12, 2005 Author Report Share Posted November 12, 2005 [ QUOTE ] I'll bet a tenner its one of the ABS sensors. I had the same problem earlier this year and it took Audi ages to locate the problem due to it being intermittent. The problem only appeared after half an hours driving or so and would disappear after the ignition had been turned off then back on again. The ABS and EPS lights would also illuminate but only occasionally. If a disk(s) is warped the vibration would be there constant. [/ QUOTE ] I'm beginning to think you may be right on this. I got stuck on the M42 last night (only 3 hours mind, could have been worse) and the stop-start was a real pain (especially as my front pad howl like banshees-on-heat with slow braking). This morning, no trouble at all. If there was a half-decent independent speciallist near me i'd take it in there for a checkup, otherwise i guess its back to listers....I'm just hoping they wont refuse to investigate due to the brakes being after-market kit... Link to comment Share on other sites More sharing options...
Ska Posted November 12, 2005 Report Share Posted November 12, 2005 that link goes directly to the S8 model. Theres a section search for A8's seperate from that. Drop them and email to find out Link to comment Share on other sites More sharing options...
johnss8 Posted November 12, 2005 Report Share Posted November 12, 2005 The link isn't working prop but email sent Thks m8 Link to comment Share on other sites More sharing options...
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