DIY: Repair broken reluctor ring (tone ring)
11-24-13, 07:44 AM
#61
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Join Date: Sep 2013
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Reluctor ring identification
Does the Dealer identify which wheel has a broken ring?
Initially I found the wheels would chatter or grind when I was braking and turning. It took a while to figure out and in fact I took it to the dealer who told me I had a broken reluctor ring also called a tone ring.
There's a lot of threads on the symptoms of a broken reluctor ring and I don't want to rehash all of it here.
Older posts:
https://www.clublexus.com/forums/rx-...l-braking.html
https://www.clublexus.com/forums/rx-...ue-update.html
https://www.clublexus.com/forums/rx-...-grinding.html
Newer posts:
https://www.clublexus.com/forums/rx-...ing-noise.html
https://www.clublexus.com/forums/rx-...e-problem.html[/QUOTE]
Initially I found the wheels would chatter or grind when I was braking and turning. It took a while to figure out and in fact I took it to the dealer who told me I had a broken reluctor ring also called a tone ring.
There's a lot of threads on the symptoms of a broken reluctor ring and I don't want to rehash all of it here.
Older posts:
https://www.clublexus.com/forums/rx-...l-braking.html
https://www.clublexus.com/forums/rx-...ue-update.html
https://www.clublexus.com/forums/rx-...-grinding.html
Newer posts:
https://www.clublexus.com/forums/rx-...ing-noise.html
https://www.clublexus.com/forums/rx-...e-problem.html[/QUOTE]
04-18-16, 09:11 AM
#63
Moderator
To bond the ring to axle. There should no slip in the ring to the axle to accurately monitor rotation.
Salim
Salim
04-18-16, 01:10 PM
#64
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Join Date: Jan 2011
Location: VA
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04-18-16, 03:36 PM
#65
Moderator
05-31-23, 10:13 AM
#66
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## Update
It was only a couple of days after the repair that I noticed the grinding chatter on the turn home. My heart sank as I knew the epoxy had probably failed.
A couple of days later, as the chatter got more common, I put it up on blocks, took off the axle nut and knocked the axle in to reveal the reluctor ring. Sure enough the epoxy couldn't hold the centrifugal force of the ring where the original break was.
It was only a couple of days after the repair that I noticed the grinding chatter on the turn home. My heart sank as I knew the epoxy had probably failed.
A couple of days later, as the chatter got more common, I put it up on blocks, took off the axle nut and knocked the axle in to reveal the reluctor ring. Sure enough the epoxy couldn't hold the centrifugal force of the ring where the original break was.
I'd like to suggest that it was not the centrifugal force that failed the epoxy, but plain old shear. As you pointed out, the repaired joint was mis-aligned, and my guess is that, given the tight tolerances, the ring was "pressed" together along the axle as you tightened the axle nut[1], and the joint finally gave way for the ring to "align."
I am hopeful that a new ring will have to be heated to slip on the end and will grip hard after cooldown. But here is yet another reason to hate modern automotive engineers' fanboy crush on all-things-technology. Let them at least have to sit and watch while poor schmoes try to deal with their misbegotten designs.
[1] I always knew these as "castle nuts", the slots for the cotter pin make the nut look like battlements on a castle wall.
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