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 Posted: Thu Nov 17, 2011 5:30 am |
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Joined: Apr 14, 2010
Posts: 20
Trade Rating: 0
Location: Belfast
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Major problems with finding out which is at fault. ABS light came on a few months ago, I ignored it as thought I would sort it nearer MOT time. That time is now. Took it to a testers.. showed rear abs sensor offside as offender.. bought a new sensor, fitted it, still showed ABS light as on. Took the drum apart and found that there was no notches to trigger the abs sensor... thought this weird so compared it to the other side and the drums are different though neither has the notches but one obvioulsy has the abs magnetic strip around it..see photo.
Can anyone shed light on what the drum should look like? Cant find pics on net...
Update: 16.11.11 the brake drums ARE different. see photo.. 
the older drum has a sensor on it and the newer drum does not look like it has a sensor on it, but maybe it is more discreet? Can anyone shed any light on this?
It is the newer drum which is showing up on abd testing as the fault.. so the question is .
Does the fault lie with the abs sensor or with this drum?
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Posted: Thu Nov 17, 2011 7:10 am |
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Joined: Feb 08, 2010
Posts: 10151
Trade Rating: +12
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you sure you got the right parts?
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Posted: Thu Nov 17, 2011 7:30 am |
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Joined: Apr 14, 2010
Posts: 20
Trade Rating: 0
Location: Belfast
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thanks for reply... these are the two drums I have just taken off the car. They are both different. The older one you can see the abs sensor ring on.. the newer one I cant so has it slipped off? is that why the fault is registering? or is the magnetics underneath?
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Posted: Thu Nov 17, 2011 7:37 am |
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Joined: Feb 08, 2010
Posts: 10151
Trade Rating: +12
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is there any parts number on the drum? (the new drum)
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Posted: Thu Nov 17, 2011 7:45 am |
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Joined: Apr 14, 2010
Posts: 20
Trade Rating: 0
Location: Belfast
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nope no parts number... this is where it all falls down. have searched the net , even found out the exact part that peougeot would deliver.. part no 424747 but theirs costs £105 each! as I know that both drums should be the same so as the brakes to function properly thats what i need two same drums.. but which one to replace?
the specs of the pug part are 203 x 38 .. I think the newer one is the TRW DB4220 and on paper its the same specs...
I ask about whether the abs sensor is missing as the garage mechanic when looking at it said that something must be missing. No cogs etc though they now have magnetic strip as u can see on older one...
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