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VICTORY!!!! Fianlly Solved an ABS problem.

 
Old 09-06-17, 05:26 PM
  #16  
mikecd1
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This is a huge story and a bigger problem and want to thank the OP for sharing the knowledge. These ABS problems are very tricky and those sensors are just really, really sensitive. So much to consider and really appreciate this valuable information along with the info on the diagnostic tool. Wondering how expensive those are.
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Old 09-06-17, 06:52 PM
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Nice write up.
Keep in mind that if the new hub ring is not at the same depth from the flanged mating surface where the hub mates to the spindle, the sensor will not have the same coverage and fail as this one has.

POINT: when replacing components like hub assemblies, have veneer calipers on hand to measure the distance from locating flange to the ring. They must be the same or problems like this come up.

Thanks for sharing....
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Old 10-26-17, 09:08 PM
  #18  
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I would say thank you so much. i tried everything but it didnt work . But your idea it did works great for my Es300 2000.. the point is we need to put less distance between the magnatic sensor and ring tone .thanks guys
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Old 07-18-18, 11:52 PM
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Default ABS Light on plus alarm

Originally Posted by thomas1 View Post
Alchemist, you are too late I would have told him in 5 minutes.......
Hi,
kindly assist me in sorting this nagging problem. I had the brakes changed and at some point I noticed the rear right bit was bent and rubbing on the spinning part. Initially the mechanics disconnected the lines to that wheel later they replaced the disc and pads I have been having this issues of check VSC ABS and master warning light. I took the car to the shop and they said the actuator was bad so I bought another one and the problem looked to have disappeared only for it to come back this this will h a screeching alarm. How can I fix it the repair shop gave me 4 codes and are telling me I have to replace the actuator again. Please HELP.
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Old 08-22-18, 01:03 PM
  #20  
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2001 RX300, same, or very similar problem (ABS activated on R/F just as you pulled away from a low-speed stop). Replaced axles thinking it must be tone ring issue but that didn't work. Found your procedure and filed sensor base and...fixed! This is my bride's daily driver and she is very pleased. Thank you so much for sharing!
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Old 12-31-18, 11:38 AM
  #21  
stevestoy
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Talking Great Fix

Wow! Solved my problem too! Very annoying ABS "grab" on left front at low speed just before stopping.
Happened right after rplaceing front bearing and axels, of course on our '05 RX.
You save a lot of us a bunch of agravation and $$!
Thanks a lot!
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Old 01-01-19, 10:43 AM
  #22  
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Something definitely bothering me about this solution. i currently have the same problem, rear left wheel. Found metal filings all over the sensor outside, and inside when i removed it as well. Cleaned it off, no difference.

The only ways this proposed solution can be effective is:
A) if the sensor has lost some magnetism and therefore needs to be moved closer to the tone ring - but doesn't seem like there's much clearance there. New sensors should clear up that problem, if that were the case, and all reports are that they do not.
or:
B) If the tone (reluctor) ring has been worn down abrasively. This is where the teeth are worn and not as high, so the signal magnitude is less. This seems to be the issue in my case - hence all the metal filings.

I'm going to replace bearings and axles at 168,000 miles anyway, and see what happens.

It's not clear to me why a new sensor would need to be filed and moved in closer to the ring, unless one or both of them is old/worn.
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Old 01-01-19, 05:09 PM
  #23  
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Old 01-12-19, 09:05 AM
  #24  
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Originally Posted by engin_ear View Post
Something definitely bothering me about this solution. i currently have the same problem, rear left wheel. Found metal filings all over the sensor outside, and inside when i removed it as well. Cleaned it off, no difference.

The only ways this proposed solution can be effective is:
A) if the sensor has lost some magnetism and therefore needs to be moved closer to the tone ring - but doesn't seem like there's much clearance there. New sensors should clear up that problem, if that were the case, and all reports are that they do not.
or:
B) If the tone (reluctor) ring has been worn down abrasively. This is where the teeth are worn and not as high, so the signal magnitude is less. This seems to be the issue in my case - hence all the metal filings.

I'm going to replace bearings and axles at 168,000 miles anyway, and see what happens.

It's not clear to me why a new sensor would need to be filed and moved in closer to the ring, unless one or both of them is old/worn.
I think depending on vehicle age, mileage (use), and location (rust belt), and the fact that the abs sensor does not use an o ring/gasket, the area that the abs sensor sits on (the hole in the hub) can corrode and accumulate dust/dirt. Cleaning this area where the sensor sits (abrasively, wire wheel, sand paper etc) may be enough to fix an anomaly in some cases. Grinding and modifying the surface should not be necessary as that would be a modification that changes the part permanently.
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