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Car Forum / MINI / March 2005help! judder at 60mph and on braking
Ok here we go: 1991 mayfair 75.000 miles, newly fitted and balanced tyres, new balljoints on both sides, new bearings on both sides (front), new tie rod & lower arm bushes, just done the tracking, recently fitted new disc brakes and pads, good ride height. All this to try and solve a problem. The steering wheel judders at 60+ mph and on braking (if doing 50+ mph. It does not judder when braking at slow speeds). It also pulls to the left since the tracking was done professionally. The juddering had stopped for a while after I'd fitted new brake disks, but started again after a couple of thousand miles (even though it's not as bad as it used to be). I'm beaten, I don't know what to do (maybe new discs again?). Any help welcome I would go for one of, or a combination of 3 things, 1 warped disks, often a problem with cheap non genuine disks, 2 possible warped hub, 3 seized piston in the brake calliper, ( presuming the tracking is correct ) Steve. > Ok here we go: 1991 mayfair 75.000 miles, newly fitted and balanced > tyres, new balljoints on both sides, new bearings on both sides [quoted text clipped - 7 lines] > (even though it's not as bad as it used to be). I'm beaten, I don't > know what to do (maybe new discs again?). Any help welcome > I would go for one of, or a combination of 3 things, 1 warped disks, often a > problem with cheap non genuine disks, 2 possible warped hub, 3 seized piston > in the brake calliper, ( presuming the tracking is correct ) > > Steve. Yep the steering vibration at 60 is usually a straight out of balance problem. Secondly the braking vibration is discs warp / pads etc Thirdly the calipers need an overhaul as one side is not allowing even distribution of braking forces. these are IMO even though coming from the same place are separate problems. wheel balance problem >>Ok here we go: 1991 mayfair 75.000 miles, newly fitted and balanced >>tyres, new balljoints on both sides, new bearings on both sides [quoted text clipped - 7 lines] >>(even though it's not as bad as it used to be). I'm beaten, I don't >>know what to do (maybe new discs again?). Any help welcome I'd get the front wheels balanced again, sounds like that's the problem. Cheapest option to try first. Good luck hiya Sorry guys but sounds like bollocks to me, New disks even non genuine are unlikely to be warped, and with all teh work he says has been done i would say the problem is the drive flange. I have seen this twice before and both times it was wear in the drive flange. undetectable by eye but at 75,000 i'd put money on it. fragged > Ok here we go: 1991 mayfair 75.000 miles, newly fitted and balanced > tyres, new balljoints on both sides, new bearings on both sides [quoted text clipped - 7 lines] > (even though it's not as bad as it used to be). I'm beaten, I don't > know what to do (maybe new discs again?). Any help welcome And Elvis was sitting next to fragged in the spaceship, which I thought was kinda weird, but then they turned to me and said: > hiya > Sorry guys but sounds like bollocks to me, New disks even non genuine are > unlikely to be warped, and with all teh work he says has been done i would > say the problem is the drive flange. > I have seen this twice before and both times it was wear in the drive > flange. undetectable by eye but at 75,000 i'd put money on it. I once saw a bent driveshaft - that gave similar problems. Don't know exactly how it got bent, but the owner had just recently had the car into Kw*k Fit... > And Elvis was sitting next to fragged in the spaceship, which I thought > was kinda weird, but then they turned to me and said: [quoted text clipped - 10 lines] > Don't know exactly how it got bent, but the owner had just recently had > the car into Kw*k Fit... Hi, That explains a lot!!. Keith >> And Elvis was sitting next to fragged in the spaceship, which I thought >> was kinda weird, but then they turned to me and said: [quoted text clipped - 16 lines] > That explains a lot!!. > Keith You could be right about the drive flang Keith, but I fitted a set of none genuine discs to my Peugeot diesel and my mini in the same week, both sets of discs where warped and juddered after only a few miles, the following weekend, genuine discs where fitted to both cars and this cured the problem for me, Fitzy hiya I dont know how good you are and i dont want to insult you but the chances of both sets being warped is about zero, are you sure its not something you are doing ? fragged > Ok here we go: 1991 mayfair 75.000 miles, newly fitted and balanced > tyres, new balljoints on both sides, new bearings on both sides [quoted text clipped - 7 lines] > (even though it's not as bad as it used to be). I'm beaten, I don't > know what to do (maybe new discs again?). Any help welcome |
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