Wow, I completely missed the OP's posting date! :lmao:
Small accident today
- Thread starter d_clark
- Start date
Wow, I completely missed the OP's posting date! :lmao:
Story time!!
Just when you think life is going good, I end up sliding into that dreaded curb rear tire on that snowy road. I took it to the alignment shop theysaid everything looks okay after putting it on the alignment rack, I have this rotation squeak squeak when apply the brakes, the harder I brake the less or the sound almost goes away the truck drives straight doesn’t shutter or of nature.. ps the truck has 10k miles on it 2021 trd ORP. Stock everything. My next adventure is taking a dial indicator to the axle flange.
Now my question is what is acceptable runout for the flange?
Next question, assume the flange got bent out of tolerance does or can someone steer me in the direction of parts needed? I’m not trying to save money buying off brand parts, I like oem parts because they last forever in my eyes.
Thanks for your time..
-mr curb got me.
Axle shaft
Rings
Seals
Etc..
Just when you think life is going good, I end up sliding into that dreaded curb rear tire on that snowy road. I took it to the alignment shop theysaid everything looks okay after putting it on the alignment rack, I have this rotation squeak squeak when apply the brakes, the harder I brake the less or the sound almost goes away the truck drives straight doesn’t shutter or of nature.. ps the truck has 10k miles on it 2021 trd ORP. Stock everything. My next adventure is taking a dial indicator to the axle flange.
Now my question is what is acceptable runout for the flange?
Next question, assume the flange got bent out of tolerance does or can someone steer me in the direction of parts needed? I’m not trying to save money buying off brand parts, I like oem parts because they last forever in my eyes.
Thanks for your time..
-mr curb got me.
Axle shaft
Rings
Seals
Etc..
Last edited:
Roy4runner
New member
ouch. glad you are fine
DougR
Member
Measure axial looseness and runout as shown below. Replace axle hub if out of spec.
Attachments
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Thanks DougR!!
I should hve mentioned it’s the rear that took the impact
DougR
Member
There is no spec for rear axle bearing looseness. Rear flange runout spec close to the outer edge is 0.05mm (0.00197 ins), which is less than the front flange runout spec (interesting).
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Well the runout on the most outer edge on the flange was .00275 or near that. Looks like I’m replacing the axle, bearing, retainer, seals etc etc, it’s bent just enough to notice while spinning the wheel but it doesn’t make the truck wander, shake or anything just the intermittent squeak creak sound when gently braking.
Thanks again for the spec!
DougR
Member
If this was my vehicle, I would perform the following inspections. Is the wheel also bent? What is the lateral runout? To measure this, you'll have to first verify the flange on the other side is true and mount the suspect wheel and tire on that side to measure lateral runout at the rim of the wheel. Alternatively, one could have the suspect wheel and tire mounted on a tire balance machine and checked. The 4Runner manual doesn't have a spec for lateral wheel runout. Maximum allowable radial runout at the tread is 3 mm (0.118 ins).
This video demonstrates a detailed inspection process that may reveal the source of the squeak. Diagnosing a BENT axle shaft flange the easy way - YouTube ... especially view the effect of flange lateral runout on the brake assembly at time 1:00. Brake parts should be properly lubed to eliminate squeaks.
This Google search offers several hits on the experience of others posted on various forums ... "bent 4runner rear axle flange forums". https://www.google.com/search?q=bent+4runner+rear+axle+flange+forums&sxsrf=APq-WBvMkrFvqimsB05vgcAd3LBXiD1_Iw%3A1644184601560&source=hp&ei=GUQAYoyNHIbJkPIP0LG6-AY&iflsig=AHkkrS4AAAAAYgBSKSnCnuUpIG9dMgPlIL2PbXnHUfF2&ved=0ahUKEwjM_fX4iOz1AhWGJEQIHdCYDm8Q4dUDCAk&uact=5&oq=bent+4runner+rear+axle+flange+forums&gs_lcp=Cgdnd3Mtd2l6EAMyBAgjECdQAFgAYMwHaABwAHgAgAGXAYgBlwGSAQMwLjGYAQCgAQKgAQE&sclient=gws-wiz
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SIGLERONLY
New member
Its engine came off its motor mounts. Lol
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