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Discussion Starter · #1 · (Edited)
So I've been reading around on this forum for years now but this is my first time posting.

I lowered my 2012 Accord V6 Ex-L Coupe on Tein Street Advance coilovers about 3 weeks ago and have been experiencing some shaking between 20-30mph while on the throttle. It becomes less noticeable, the faster I go.

Everything I've read pointed towards there being an issue with the CV Axles. I had the passenger side changed, followed by the driver side and the problem is still there. (New Axles from Car Quest were used.)

I raised the car a bit to where I now have a 2 finger gap in the front. The shaking is not as bad I think, but its certainly still there.

I'm at a lost as to what the next step is now, as all the threads I've seen on this issue, have ended with no solution.

Any help at all would be greatly appreciated. I've seen many 8th gen coupes lower than I am right now, so I'm sure there's a solution out there somewhere.

Note: Stock 18" wheels and only other mod is Takeda SRI
SPC Camber Kit installed and Alignment is within Spec

Thanks!!
 

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Discussion Starter · #7 ·
Thanks for the info. i was just sitting here banging my head telling myself i should have bit the bullet and paid for OEM axles. When I had originally called honda bout the Axles they told me $500 per side.. -_- . I recent realized that Honda Parts at Honda Parts Now | Genuine OEM Honda Auto Parts has them for $350 per side. Still expensive, but much better.

I still have the OEM axles so I'm contemplating, either finding somewhere to get new CV joints put on them, or going ahead and getting new OEM Axles from hondapartsnow.

Either way, i want to be sure that I am actually having an Axle problem and that new OEM Axles will solve it, before I go spending $350 a piece plus labor.

Also, could the OEM ones I had on really not been able to handle the car being lowered? I only have about 34k Miles on them and i know people run axles for over 100k
 

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Discussion Starter · #9 ·
@ Jeskmo - Its interesting that out of all the things you tried, the compliance bushings made the biggest difference. I wonder if it could really any of my bushings, I've been so fixated on the axle this whole time.

Should any adjustments have been made to how the bushings were preloaded when the suspension was installed? Meaning, should I have my mechanic go back, loosen the bolts for the suspension components and have them torqued to spec while loaded/compressed to ride height ?

I might stop by a honda dealership tomorrow to see what they think the issue might be.
 

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Discussion Starter · #12 ·
Good news for all those interested. I got the issue solved. It turned out to be the Axles.

Popped in New OEM Axles and all was well with the world. Vibration completely gone.

Moral of the story is, when you first lower your car, you might need to swap out the Axles so that they can start fresh at the new angle. Otherwise, they may vibrate due to wear that they already have from running at stock height.

Most importantly, like everyone said. NEVER use aftermarket axles on these Accords, they don't seem to like them at all.

:)
 

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Discussion Starter · #14 ·
I got them from a local dealer, covered by my warranty (I was surprised).... You can still get them from a dealer, but check around, their prices vary greatly.. $350 - $550 per side.

So make sure to check multiple dealers for their prices. Honda Accord Parts and Accessories at hondapartsnow.com also has them for $356 I believe , but that's plus shipping, so you might be better off getting it from a dealer. If anyone else knows a cheaper store, feel free to chime in.

They changed both my axles FYI. If you do decide to try this, I hope it works for you too. Its not cheap at all.
 

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Discussion Starter · #20 ·
Well, I had raised my car up pretty high. So I was pretty close to where HFP Suspension would have had me at, and I have a camber kit on the rear with in spec alignment.

still.....I think I just got lucky. I took it there just hoping for a diagnosis.

As for Part Numbers.. 2012 V6 Coupe Automatic

Right Axle: 44305-TA1-A00
Left Axle: 44306-TA1-A00
@ryry+ did your steering vibration start when you lowered or is it unrelated?
 
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