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        General >> Give/Need advice to/from others >> how clean
        
(Message started by: vosper on Feb 18^th, 2008, 7:46pm)

Title: how clean
Post by vosper on Feb 18^th, 2008, 7:46pm

HI
Trying to get abs light off, i think the rears are at fault,
I get 1 volt from front sensors when i spin the weel.
Cannot spin back one's fast to get a reading.
How clean should the ring be, ie remove all rust and should it be shiney.
Thanks
Vosper

Title: Re: how clean
Post by PeteB on Feb 18^th, 2008, 8:59pm

It may be its simply failed, I'd take it to someone that can do a scan and read the fault code. Thats what I ened up doing saved me alot of time!

Pete

Title: Re: how clean
Post by Tompion on Feb 18^th, 2008, 10:44pm

The sensor rings just need to be free from debris surface rust doesn't matter, don't need to be shiny

Title: Re: how clean
Post by scruffygyt on Feb 18^th, 2008, 10:57pm

i had the abs light come on when i first got mine, took wheels off and gave everything a good clean and sprayed whith WD including conectors under rear seats been fine since.

Title: Re: how clean
Post by vosper on Feb 18^th, 2008, 11:12pm

I Have done all that, next pump its self, should you be able too feel the pump runing,
I have got obd I and II software will that be of use for my 12v 2.9 1996 scorpio,
Thanks
Vosper

Title: Re: how clean
Post by harry.m1byt on Feb 18^th, 2008, 11:20pm

None loose surface coating of rust and none metallic dirt will not be a problem, but larger chunks of loose rust and metal fillings around/between the cogs will be.

It only needs to have one cog so choked and failing to generate a volage pulse, to trigger an ABS fault. The 1v only really confirms that the sensor is working as it should, it doesn't confirm that the pulses are all occuring as each cog passes the sensor. Confirming that needs a means to turn the wheel at a regular rotation speed and some means to watch the actual pulses oscilloscope or a missing pulse detector.