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DIY - Rear Axle Carrier (Knuckle) Bushing Replacement

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Old 10-05-11, 09:54 AM
  #16  
lyonkster
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Originally Posted by sakataj
i meant a issue with this install...not another problematic part of the car
I know . No install issues, love the clunk-free driving. I didn't even realize how much it bothered me until I fixed it, now it's (almost) like driving a new car.

only thing stopping me would be the OTC 6529 Car Ball Joint Service Kit that price is crazy, i wonder if i could borrow my mechanics or rent one. i saw you used a 30mm to push the bearing in/out so essentially i wouldn't even need the ball joint kit?
Good questions Brian, I probably should have expanded on this in my original post. I used the OTC kit because I am in a Car Club that allows us to buy whatever tools we want and get reimbursed for them (fun ). If it were my money, I would NOT recommend the OTC balljoint kit. First, you can get the C-clamp and a few tubes in smaller kits from Harbor Freight, or Powerbuilt/Alltrade kits from Amazon. Second, the balljoint kit is really not designed for doing bushings, most of the tubes are for balljoints and won't work with bushings. That is why I had to use a socket in the end . So again, I would pick up a cheaper kit with the C-clamp and fewer pusher tubes, or try the gear puller that someone has recommended.

any thoughts that since these slide in/out so easily its not the right bushing? you didnt happen to put a micrometer on the bushing and on the inside of the rear spindle (or axle carrier) i guess would be the best description? a digital one would probably be best here
Well, the bushings did not come out or go in THAT easily.. When I said they came out easily, I was comparing these to when I popped out the caster arm bushings, which gave my 12 ton press a bit of a workout - this was much easier in comparison. But this is still a press fit, don't get me wrong.

The old bushings were OEM, and the replacements were within 0.001" of the old, so I am not concerned about them being the wrong size.

im STILL waiting on the guy from ebay to email me back....

so which bushing if you had access to all of them would you have preferred?

37h125 from the mountshop (i tried to register but wth do i have to register to get a price, and who was the member in NZ i might see if they could pick me up a set if all else fails)
the one from ebay you did get (which im waiting to hear about)
or the one from diamondmit
Hmm, I had the impression that the irl ebay guy had a bunch of these, hopefully he's just slow in responding.

If you can get the mountshop to reply (and I also saw the deal with submitting paperwork to get to the price and availability page), that's probably a good alternative. You can pulse 1nz and see if he can help, he did they say he is just down the street from them. I would have gone with diamondmit's solution if the OEM-type replacements were not available. I do prefer the OEM design, i.e. a spherical bearing instead of a poly bushing, but I think that Dave's design is well thought out and should work reasonably well for most applications. I think if you are into high performance driving, the difference may become apparent, but I don't drive that way. As for safety, the bushing is captive, so even in a catastrophic failure you are looking at noise and clunks, not your wheel flying off (like in the case of a ball joint failure).
Old 10-05-11, 10:03 AM
  #17  
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Originally Posted by DPromGS
Thank you lyonkster for posting this and helping the community out with the source on where to get them.
You are welcome, I am always happy to give back to the forum from which I learned so much!

I am starting to wonder if these can be made by maybe FIGS Engineering and turning it into a full on spherical bushing replacement instead of the OEM bushing type.
I had some discussions with FIGS on this, and he recommended a spherical bearing that could be used, but it would need inner and outer sleeves to fit properly into the axle carrier and the suspension arm. I actually prepared and sent him a CAD picture of the sleeves that would be needed, but I think he is too busy these days to take this on. Plus I don't know if the custom-made sleeves and spherical bearings would be cost effective. But it is an option that I considered.

Also wanted to point out to everyone else who has been posting up this link....

http://www.rhdjapan.com/trd-rear-low...0-jzs161-17917

They are the wrong bushings. I just received mines and was getting ready to change out the bushings (rear axle carrier/knuckle) and found out that those bushings from RHD Japan are for your Rear Lower Control Arm inner bushings (the one that mounts up to your rear sub frame).
Yeah, that stinks . Those are for the inner part of the lower suspension arm.. I suppose you can replace them too since you already have them, but it won't help your outer bushing issue...
Old 10-05-11, 10:42 AM
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Originally Posted by lyonkster


I had some discussions with FIGS on this, and he recommended a spherical bearing that could be used, but it would need inner and outer sleeves to fit properly into the axle carrier and the suspension arm. I actually prepared and sent him a CAD picture of the sleeves that would be needed, but I think he is too busy these days to take this on. Plus I don't know if the custom-made sleeves and spherical bearings would be cost effective. But it is an option that I considered.
Ohh okay I see. Maybe we can all try to get a group of interests and try to see if FIGS can work out some sort of deal. Hopefully he replies back to you about his response and attempts.


Originally Posted by lyonkster
Yeah, that stinks . Those are for the inner part of the lower suspension arm.. I suppose you can replace them too since you already have them, but it won't help your outer bushing issue...
Yeah I didn't replace those since the bushings in the lower control arm are still intact and no cracks whatsoever, this is impressive since I have 236,xxx on my car. The only concern is the bushings we are all about and caster arms.
Old 10-05-11, 11:39 AM
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Originally Posted by lyonkster
If you can get the mountshop to reply (and I also saw the deal with submitting paperwork to get to the price and availability page), that's probably a good alternative. You can pulse 1nz and see if he can help, he did they say he is just down the street from them. I would have gone with diamondmit's solution if the OEM-type replacements were not available. I do prefer the OEM design, i.e. a spherical bearing instead of a poly bushing, but I think that Dave's design is well thought out and should work reasonably well for most applications. I think if you are into high performance driving, the difference may become apparent, but I don't drive that way. As for safety, the bushing is captive, so even in a catastrophic failure you are looking at noise and clunks, not your wheel flying off (like in the case of a ball joint failure).
oh, i got a reply....this is what i got

New Website Registration
Thank you for your registration for access to the Mountshop website, as we have been unable to verify your details, your request has been declined.

GD.....thats annoying

so PM 1nz? thats his sn?

Originally Posted by lyonkster
Yeah, that stinks . Those are for the inner part of the lower suspension arm.. I suppose you can replace them too since you already have them, but it won't help your outer bushing issue...
i cant tell from the crappy diagram they have where those do go, any one have some links/schematics for them?
Old 10-05-11, 11:58 AM
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Originally Posted by sakataj
oh, i got a reply....this is what i got

New Website Registration
Thank you for your registration for access to the Mountshop website, as we have been unable to verify your details, your request has been declined.

GD.....thats annoying
That's exactly what I just got too!!! hahaa, full of lame.

Originally Posted by sakataj
so PM 1nz? thats his sn?
Who is this?

Originally Posted by sakataj
i cant tell from the crappy diagram they have where those do go, any one have some links/schematics for them?
It goes to the inner part of your rear lower control arm Brian. As for schematic's, I downloaded that image and just tried to zoom in the best I can and that is where it is showing. Rear Lower control arm bushing.
Old 10-05-11, 12:25 PM
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Originally Posted by DPromGS
Thank you lyonkster for posting this and helping the community out with the source on where to get them.

My squeakings are for sure this part, ever since I lowered and put my car back to stock. Now it's been squeaking really obnoxiously loud where I can not cruise in my school parking lot without having the whole school turn around looking at me.

I too, emailed the ebay seller and I am still waiting for a reply from him. It really sucks that Lexus or any other US aftermarket manufacturer doesn't sell this specific bushing. I was getting ready to shell out about $450 bucks for new rear axle carrier assembly from Sewell Lexus, until vwynn linked this to me via facebook.

I am starting to wonder if these can be made by maybe FIGS Engineering and turning it into a full on spherical bushing replacement instead of the OEM bushing type. Are maybe some other motor mount company to make any reinforced products in replacement of the OEM versions.

Also wanted to point out to everyone else who has been posting up this link....

http://www.rhdjapan.com/trd-rear-low...0-jzs161-17917

They are the wrong bushings. I just received mines and was getting ready to change out the bushings (rear axle carrier/knuckle) and found out that those bushings from RHD Japan are for your Rear Lower Control Arm inner bushings (the one that mounts up to your rear sub frame).

Dara
Dara,

Im sure you can prolly source out spherical bushings somewhere. e.g here:
http://www.aurorabearing.com/

an other venders. Problem would most likely be pricing especially on the small orders.

you would need to find proper dimensions along with possibly making bushings/spacers to widen bearing so it seats flush with the arm.

iono lol
Old 10-05-11, 12:44 PM
  #22  
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Originally Posted by sakataj
oh, i got a reply....this is what i got

New Website Registration
Thank you for your registration for access to the Mountshop website, as we have been unable to verify your details, your request has been declined.

GD.....thats annoying
Weird, I was able to get through the first registration step, just not the second.

so PM 1nz? thats his sn?
Aaron was nice enough to offer to swing by The Mount Shop, but he was not sure he can actually get the bushings, if the place is wholesale only. But you can ask him - https://www.clublexus.com/forums/mem...41514-1nz.html

i cant tell from the crappy diagram they have where those do go, any one have some links/schematics for them?
Those bushings are for the inner portion of the suspension arm, not the outer. Where the suspension arm attaches to the body, not where it attaches to the axle carrier (which is the one you need for this application). It's the one in this diagram http://lexus.sewellparts.com/images/...000/481184.jpg, where bolt 9010514082 goes - but you want the one where the cam bolt 4819030040 goes.
Old 10-05-11, 12:49 PM
  #23  
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Originally Posted by vwynn
Dara,

Im sure you can prolly source out spherical bushings somewhere. e.g here:
http://www.aurorabearing.com/

an other venders. Problem would most likely be pricing especially on the small orders.

you would need to find proper dimensions along with possibly making bushings/spacers to widen bearing so it seats flush with the arm.

iono lol
Yup, Aurora AIB-12 is probably the closest match, but you'll still need spacer sleeves for the OD to fit into the axle carrier, and for the ID to locate it on the suspension arm. If you have access to a machine shop, it's no biggie, but if you don't, then it's a stumbling block. Plus when you go down this path, you need to think through how to specify the dimensions for a correct press fit at the axle carrier, and a slip fit at the suspension arm sleeve. Not rocket science, but definitely something you need to get right.
Old 10-05-11, 12:50 PM
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Originally Posted by DPromGS
That's exactly what I just got too!!! hahaa, full of lame.
no kidding, i sent them back this

Wtf people all I want is to buy a pair of bushings for myself

The 37h125 bushings

Brian


Originally Posted by DPromGS
Who is this?
i wanna know too i cant find him

Originally Posted by DPromGS
It goes to the inner part of your rear lower control arm Brian. As for schematic's, I downloaded that image and just tried to zoom in the best I can and that is where it is showing. Rear Lower control arm bushing.
im a visual person....pics?
Old 10-05-11, 01:01 PM
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Old 10-05-11, 01:18 PM
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Originally Posted by sakataj
i wanna know too i cant find him
https://www.clublexus.com/forums/mem...41514-1nz.html
Old 10-05-11, 01:19 PM
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Originally Posted by DPromGS
That's the one! And the one you need is on the other end, where the slotted hole is .
Old 10-05-11, 04:47 PM
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Originally Posted by lyonkster
That's the one! And the one you need is on the other end, where the slotted hole is .
Yep the main squeaking culprit is the other bushing for the other side that is pressed into the knuckle.

The one I need bad like asap!
Old 10-05-11, 05:07 PM
  #29  
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Originally Posted by DPromGS
Yep the main squeaking culprit is the other bushing for the other side that is pressed into the knuckle.

The one I need bad like asap!
Well, you probably won't like it, but there is another option I considered. You can always buy the two axle carriers for about $430 (ouch, I know), and then instead of swapping them in (which is tons of work, removing the axles, pressing bearings, etc), you can just push out the new bushings and push them into your existing axle carriers. I know, doesn't seem right, but it is an option that is cheaper and much less work than swapping in the new axle carriers .
Old 10-05-11, 06:47 PM
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Originally Posted by lyonkster
Well, you probably won't like it, but there is another option I considered. You can always buy the two axle carriers for about $430 (ouch, I know), and then instead of swapping them in (which is tons of work, removing the axles, pressing bearings, etc), you can just push out the new bushings and push them into your existing axle carriers. I know, doesn't seem right, but it is an option that is cheaper and much less work than swapping in the new axle carriers .
you guys should just be patient. the nz guys and the guy from ebay have already developed this. it may be hard to get a hold of them, but i think they'll be your best source. if not doing what lyonkster said would be your next best approach. $430+ tax sucks, but it is not going to be cheap to get figs or someone else to stop what they are doing and develop these things. what you desperately want to avoid is having to remove the knuckles, so i would definitely do what he said above to avoid downtime and additional parts like wheel bearings.

Last edited by tiger4life; 10-05-11 at 06:50 PM.


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