Faulty ABS/ESR fixed???

RyRy · 05-01-2011, 12:30 PM

I have been having the usual problem of the faulty brakes. Initially I was told by KwikFit it was a faulty brake light switch which I replaced but the problem persisted. I then went to a decent mechanic who is trustworthy and he read the codes and said it was identified as a problem with the rear driver side abs sensor.

I followed the advice on the forum and looked at the sensor which had some damage to the surface of the sensor which sits behind the hub. There was a lot of grease/dirt and surface scratching. I cleaned it up and refitted it but noticed it was sitting catching the hub. Ordered a new one and refitted this morning, sits perfectly with about 1.0mm gap. Took the car out for a drive to see if it was fixed. The grinding of the front passenger side was apparent at first as usual and then disappeared. Brakes appeared to be more responsive but after about 2miles the lights popped up on dash. Braking fault!!!

Would I be right in saying that the fault will still be present until the codes have been cleared and once that has been done it should be fine?

davidireland · 05-01-2011, 05:18 PM

What model Peugeot?

RyRy · 05-01-2011, 05:22 PM

307 2.0hdi 90bhp 52 reg

davidireland · 05-01-2011, 05:24 PM

Could be a broken wire too. I've had a few of them. I'd be checking the wiring between the sensor and the ABS ecu first to rule that out.

RyRy · 05-01-2011, 05:30 PM

I shall get that done tomorrow, where is the abs ecu located?

davidireland · 05-01-2011, 05:32 PM

Left hand front under headlight.

RyRy · 05-01-2011, 05:35 PM

Thanks, I shall take a good look tomorrow

05-01-2011, 12:30 PM	#1
RyRy Junior Member Join Date: Mar 2011 Location: Isle of Sheppey, Kent Posts: 19	Faulty ABS/ESR fixed??? I have been having the usual problem of the faulty brakes. Initially I was told by KwikFit it was a faulty brake light switch which I replaced but the problem persisted. I then went to a decent mechanic who is trustworthy and he read the codes and said it was identified as a problem with the rear driver side abs sensor. I followed the advice on the forum and looked at the sensor which had some damage to the surface of the sensor which sits behind the hub. There was a lot of grease/dirt and surface scratching. I cleaned it up and refitted it but noticed it was sitting catching the hub. Ordered a new one and refitted this morning, sits perfectly with about 1.0mm gap. Took the car out for a drive to see if it was fixed. The grinding of the front passenger side was apparent at first as usual and then disappeared. Brakes appeared to be more responsive but after about 2miles the lights popped up on dash. Braking fault!!! Would I be right in saying that the fault will still be present until the codes have been cleared and once that has been done it should be fine? Share Share this post on Digg Del.icio.us Technorati Twitter

05-01-2011, 05:18 PM	#2
davidireland Senior Member Join Date: Jan 2010 Location: Southern Ireland Posts: 2,333	What model Peugeot? Share Share this post on Digg Del.icio.us Technorati Twitter __________________ Peugeot Master Tech/Citroen Tech

05-01-2011, 05:22 PM	#3
RyRy Junior Member Join Date: Mar 2011 Location: Isle of Sheppey, Kent Posts: 19	307 2.0hdi 90bhp 52 reg Share Share this post on Digg Del.icio.us Technorati Twitter

05-01-2011, 05:24 PM	#4
davidireland Senior Member Join Date: Jan 2010 Location: Southern Ireland Posts: 2,333	Could be a broken wire too. I've had a few of them. I'd be checking the wiring between the sensor and the ABS ecu first to rule that out. Share Share this post on Digg Del.icio.us Technorati Twitter __________________ Peugeot Master Tech/Citroen Tech

05-01-2011, 05:30 PM	#5
RyRy Junior Member Join Date: Mar 2011 Location: Isle of Sheppey, Kent Posts: 19	I shall get that done tomorrow, where is the abs ecu located? Share Share this post on Digg Del.icio.us Technorati Twitter

05-01-2011, 05:32 PM	#6
davidireland Senior Member Join Date: Jan 2010 Location: Southern Ireland Posts: 2,333	Left hand front under headlight. Share Share this post on Digg Del.icio.us Technorati Twitter __________________ Peugeot Master Tech/Citroen Tech

05-01-2011, 05:35 PM	#7
RyRy Junior Member Join Date: Mar 2011 Location: Isle of Sheppey, Kent Posts: 19	Thanks, I shall take a good look tomorrow Share Share this post on Digg Del.icio.us Technorati Twitter

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