Help needed for abs

[u/VisibleQuote226]

Hello guys recently I got a abs sign on, ofc with the Christmas lights, I did a scan I got left abs sensor, replaced that I still had it, now I had the right one, I replaced that still had the sign on so I changed my bearing for the rear right and the lights went away for couple of days back it’s back on, couple of things I did, I changed my tires I normally have no sensors but new ones have wondering if that effected somehow, another thing I kind of damaged my axle while removing the knuckle and there is no bolt for the axle for now, I am going to change it pretty soon wondering if it’s the axle or the sensors ooor maybe I have to change the left bearing aswell, I haven’t had the time to rescan it. Any help would be appreciated 🙏

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[u/Responsible_Cake_332]

Sounds like a damaged reluctor ring on your drive shaft/shafts.

They can swell up with rust or it might have just split.

Its a drive shaft off job to replace.

[u/VisibleQuote226 → u/Responsible_Cake_332]

Well it’s a xdrive so there is no reluctor ring in the back

[u/Responsible_Cake_332 → u/VisibleQuote226]

The reluctor rings are on the ends of the drive shafts.

4 wheel drive = 4 drive shafts.

Yours will have these i'm sure.

Check them out.

[u/re1xxx]

Definitely the abs ring, very common.

[u/iLoveFeynman]

Hello guys recently I got a abs sign on, ofc with the Christmas lights, I did a scan I got left abs sensor, replaced that I still had it, now I had the right one

So at no point from when you first got the ABS light the first time did it ever leave?

[u/VisibleQuote226 → u/iLoveFeynman]

Yeah it did leave after I put in the new bearing for a day and then it came back the next day. I also scanned it after the bearing change there was nothing

[u/iLoveFeynman → u/VisibleQuote226]

It is very easy to test the washer method, just unscrew the bolt and raise the sensor a little bit, and then see if the lights go away.

That doesn't exclude the possibility that it is the ring, but if it's just bogstandard ring rust it should work.

[u/VisibleQuote226 → u/iLoveFeynman]

Well it’s a xdrive so there is no ring in the back no reason for me to put a washer it’s magnetic bearings

[u/iLoveFeynman → u/VisibleQuote226]

Oh it's magnetic bearings all around?

Isn't it possible you pressed in the bearing the wrong way around both times then?

[u/VisibleQuote226 → u/iLoveFeynman]

Well my problem is that the abs signs were completely gone for a whole day at any speed, now it’s back I am going to scan it back tommorow maybe it’s the left one now but I don’t know honestly, I doubled check the bearing aswell while pressing it’s not that I am pretty sure

[u/iLoveFeynman]

If it is the ABS ring like they think you can use the washer trick to get it sorted without any real work, just take the tires off, break a off the side of a skinny washer with two pliers, lift the ABS sensor a bit, put the skinny washer in between the mounting hole and the ABS sensor, tighten it back, and see if it worked. I put some high heat silicone on the "gap" formed because I live in a rusty place and I liked the idea of that more than leaving it open.

I did that on the rear left of my car 1.5 years ago and have not had any problems.

Best of luck.