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i have checked all the reluctor rings and cleaned them with wire brush,wiped all sensors down,now free from muck,went out for short drive,everything a ok,until i slammed breaks on hard and abs kicked in,then problem came back,not sure what else to do now,will it fail mot if abs playing up,but no warning light has ever came on ???????

Does the ABS warning light come on when you turn on the ignition and turn off after a few seconds?

Did you ever get the discs checked out?

@ jasper,i will check abs light tomoz m8,no never got discs checked out.

@ jasper , the abs light comes on and goes out with ignition as it should.have been round today and checked every thing again all ok and clean,only other thing maybe sticky calipers ?????????

dieselink wrote:@ jasper , the abs light comes on and goes out with ignition as it should.have been round today and checked every thing again all ok and clean,only other thing maybe sticky calipers ?????????

Maybe, but if I was looking at the car I would want to completely eliminate the brake discs.....there may be nothing wrong with them, but I have a system of working when trying to diagnose such faults and my first thought would always be to eliminate the discs from the equation.

The last time I had a reluctor ring failure was on a 206, the light came on and there was a nasty vibration through the brake pedal, there is quite a big difference with a brake disc problem and an ABS problem.

@ jasper,where r u based m8,if close i could pay u to have a look for me m8

dieselink wrote:@ jasper,where r u based m8,if close i could pay u to have a look for me m8

I'm in East Lancashire.

shame,bit to far,i am in gateshead,putting it in for test next week,see what happens.breaks work well,tryed them today at 50mph and slammed on realy hard,stop realy quick and could feel abs working,no skid,so they defo stop me.its just when u break a little that the problems there,it got my head done in,just have to see how it goes and if they pass it.thanks for all yr advice jasper,u have been realy helpfull and i am greatfull to you m8.

hi dieselink, sorry too hear your problem isn't sorted. Afraid I don't know much about the mot in Britain as I'm from Ireland but I can tell you that my car passed the Irish NCT with a cracked reluctor ring. Brakes were giving very similiar symptoms to yours ie. intermittent clunking feeling through the pedal. however braking power still did not seem to be affected. The car passed because the abs warning light came on and off after ignition, no imbalances were detected and there appeared to be no loss of braking power.........I can only assume the mot is the same? but on the other hand

ok people.m.o.t booked for monday afternoon,will let u know what happens.

Good luck mate,
ihope all goes well