Have You Encountered ABS Tone Ring Damage?

[alexandruast]

Unfortunate Event vs. Engineering Issue
This is a centralization post to hopefully get all occurrences of ABS tone ring damage from rocks/debris.
In my particular case, a sharp rock got caught into the rear abs ring and bent the ring.
Looking at other vehicles, this part is not exposed and, even if it is, it has a very small surface area or is gear-shaped (no holes).
The ring tone used in the Grenadier is exposed and has large holes, where rocks and debris might get caught.
My theory is that the engineering team got this wrong, and this type of damage is pretty common.
So, if you have ABS ring damage, plase post here with details of your particular case.



The symptoms of a damaged ABS ring tone in the Grenadier is a total electronic meltdown, with the telltale lit like a Christmas Tree: Gearbox, Engine, ABS, Brakes, TC, Steering and other malfunctions at the same time.

 

[Shopkeep]

Not sure you can say they got this wrong, it is an uncommon implementation so I would suggest it has been done for a very specific reason. Having taken a look without removing the wheel, hub and disc to expose the ring I can’t tell you what that reason is, but I would guess it is to make it easier to replace if faulty. The larger ring may also give more pulses/data per rotation which may give a more accurate reading?

 

[Tinerfeño]

Foreign non-ferromagnetic material doesn't cause any problems.

 

[alexandruast]

From the video, it looks like the design there facilitates pinching debris between the disc and the rest of the tranny components.
There is potential damage, for example, if spinning a rear wheel submerged in mud mixed with small to medium rocks.

 

[LRNAD90]

Seems like there have been a few threads about similar damage, though I can't seem to find them at the moment. Not sure what the thinking was behind this, but they seem awfully vulnerable, given the use the Grenadier is marketed for. Surprised there is not even a simple stone shield on the brake rotors, as just about every car I've ever seen comes with from the manufacturer.

Whatever the thinking, I suspect that this is going to be a common issue, and they may even redesign or incorporate a stone shield in the future/ as a TSB..

 

[Shopkeep]

Seems like there have been a few threads about similar damage, though I can't seem to find them at the moment. Not sure what the thinking was behind this, but they seem awfully vulnerable, given the use the Grenadier is marketed for. Surprised there is not even a simple stone shield on the brake rotors, as just about every car I've ever seen comes with from the manufacturer.

Whatever the thinking, I suspect that this is going to be a common issue, and they may even redesign or incorporate a stone shield in the future/ as a TSB..

There is a protective shield at the rear of the brake disc that covers the ABS reluctor.

 

[255/85]

Seems like there have been a few threads about similar damage, though I can't seem to find them at the moment. Not sure what the thinking was behind this, but they seem awfully vulnerable, given the use the Grenadier is marketed for. Surprised there is not even a simple stone shield on the brake rotors, as just about every car I've ever seen comes with from the manufacturer.

Whatever the thinking, I suspect that this is going to be a common issue, and they may even redesign or incorporate a stone shield in the future/ as a TSB..

I'm guessing Ineos left off the brake rotor shields because so much debris gets stuck in them and affects the rotors, calipers, etc. Damned if you do - damned if you don't.

 

[Shopkeep]

Shields on the ABS reluctor rings, first image is rear left second image is front right. There are cut outs around the brake calipers where small objects could enter.