[Shotimes] ABS light comes and goes

[cmichaelo@optonline.net]

I had a similar problem once.

The abs light wouldn't come on until I drove the car AND stepped on the brake.  It didn't always happen.  Rainy days sound familiar.

I didn't pay attention to the exact speed at which this happened.  But I can imagine I was going faster than 15mph.  And I don't remember it happening in parking lots, driveways, and so on.

The were no codes set.  Ford diagnosed the crap out of it, and threw their arms up.

The problem started occuring right after Ford did some work on the rear brakes.  I alwyas suspected the mechanic had done something he shouldn't.  The problem eventually went away after I replaced the rear hubs, which come with new abs rings.  So somehow the problem was related to these rings.

The old rings looked fine.  I.e., they were rusted but perfectly shaped and round.

I'm speculating the mechanic did something to change the magnetic properties of the rings, since the abs sensor senses variations in magnetic response from the rings.

Did you have any work done on your car around the time where this abs problem started to occur?

Michael
94MTX,green,BOS+,Koni/Intrax,Baer,Corbeau
SHO items for sale: http://hometown.aol.com/cmichaelo/for_sale.html

----- Original Message -----
From: "Juillerat, Aaron J" <aaronj@autojectors.com>
Date: Wednesday, May 25, 2005 12:14 pm
Subject: RE: [Shotimes] ABS light comes and goes

> Does the light come on as soon as you start the car?  Or does it 
> come on
> after you are over 15mph or so?
> 
> -A.J.
> 
> -----Original Message-----
> From: Paul L Fisher [sho@paul-fisher.com] 
> Sent: Wednesday, May 25, 2005 11:32 AM
> To: jkoper@frankgates.com; shotimes@autox.team.net
> Subject: RE: [Shotimes] ABS light comes and goes
> 
> Bleeding has nothing to do with the ABS light. Have you had the codes
> pulled?
> 
> 
> Paul L Fisher
> 
> Visit my website: http://www.paul-fisher.com
> SHOClub Member: http://www.shoclub.com
> Amsoil dealer: http://www.paul-fisher.com/oil
> 
> -----Original Message-----
> From: shotimes-admin@autox.team.net [shotimes-admin@autox.team.net]
> On Behalf Of Jim Koper
> Sent: Wednesday, May 25, 2005 10:09 AM
> To: shotimes@autox.team.net
> Subject: [Shotimes] ABS light comes and goes
> 
> Over the past year or so my ABS light has come on from time to 
> time. It'll
> stay on for days or weeks at a time, then go away. I thought it 
> might be
> related to a bad brake bleed (I've since rebled) or a particular 
> weathercondition (it came on during a rainy day, but the ABS light 
> does not follow
> any certain weather pattern), or a bad sensor ( I cleaned it, was 
> not bent,
> no teeth missing). The only thing I haven't done is electrically 
> test the
> sensor. Any info on how to do that?
> 
> Years ago when racing (SHOklahoma, 2001) the ABS would kick in a 
> lot when
> entering the hairpin turns. It probably should not have activated 
> at all!
> 
> Does it sound like a bad ABS sensor somewhere? Thanks for any info.
> 
> Jim Koper
> 1992 red on black
> 151,000 miles
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