At 05:09 PM 8/6/97 +0100, A.D.Smith wrote:
>Having finally got my carbs rebuilt after about 3 weeks off
>the road, I was driving home the other night (well OK,
>morning), when I noticed a pulsing through the pedal every
>time I applied the brakes. Fortunately, even in London,
>there's not much traffic around at 5:15am, so I got back home
>without using the brakes over much.
>
>I had a look at them the next day, to find that the pads were
>pretty worn, so slipped in a new set. This just seemed to
>make things worse, to the point that the pulsing of the
>pedal was pretty strong, and certainly not to be ignored.
>
>The other symptom is that after setting off and driving a
>couple of tens of metres, the brake pedal almost hits the
>floor the first time you need it, then bites OK on a second
>press.
>
>My diagnosis is bent disks, pushing the pistons out as the
>disk goes round, meaning that I need massive pedal travel
>to get the pads back in contact with the disk when I need
>the brakes, and causing the pulsing force on the pedal.
>
>Could it be anything else ? Or am I right in being resigned
>to having to pull it all apart again to put new disks on ?
>
>I've done about 25K miles on the current disks, and can't
>(by eye) see any wobbling. Could be that some part of
>the disk is thicker than another ?
>
>Any clues ?
>
>Andy
>
>**************************************************************
>Andy Castellano Smith. | a.d.smith@umds.ac.uk
>Computational Imaging Science. | http://www-ipg.umds.ac.uk/a.d.smith/
>5th Floor, Thomas Guy House | tel. : 0171 955 4223
>Guys Hospital, London SE1 9RT. | fax. : 0171 378 7480
>
> 1977 Chrome Bumper Midget "Mungo" for short.
>DPO of 1975 Rubber Bumper Midget "Mary" for short.
>**************************************************************
>
>
I had a similare problem a while back. Yes one of my disks was slightly
warped (bent) but the real problem was I needed to rebuild the calipers. I
ordered a kit put it in and haven't had a problem since. Of course I
should replace the disks but......
Good luck
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