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2012 Civic Shakes only on accelleration, and only 55- 70mph.. Guidance needed.

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Old Dec 11, 2020 | 07:46 PM
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Default 2012 Civic Shakes only on accelleration, and only 55- 70mph.. Guidance needed.

OK here's the deal.
Got my awesome 2012 Civic a year or so ago with only 20K.. incredible deal.
Week 2 of ownership a big truck on a narrow bendy road coming at me over the yellow line forces me into a curb blowing out my right front tire. Really should've taken it to a collision center and stuck it to the guy, long story.
So the right front end took a hit and things were pretty much OK till about 6 months ago when it started shaking only on acceleration, and only at highway speeds. I do a LOT of highway driving.

Causes I've eliminated:
1. Warped Rotors... I've seen the flame wars on here. I've been a gearhead forever. When we used to run rotors back in the day, they'd warp, sure and when you hit the brake they vibrate like hell... this ain't that.. trust me I've owned jeeps and have experienced all the "suck" that come with that.
2.. It's not the tires. I put 4 new snow tires on the car and the shake was unchanged.
3. It's not the balance or the Alignment. The Firestone place that put the tires on did a 4 wheel alignment and balanced the new tires. It shook after I picked it up and I brought it back within an hour, they rechecked the balance and alignment, and it still shakes.
4. It's not the right axle. Cuz I replaced that last week after reading that CV axles can shake on acceleration at highway speed. It's still shaking.
5. It's unlikely ball joints or tie rod end. The tech that did the four wheel alignment said the front end was tight.

So now for next steps I'm thinking:
Maybe it's the hub or the bearings on the right side?
Maybe I should replace the left axle, cuz why not?. That could be the issue, it's fairly cheap as I'm doing it myself.

I'd live some support, encouragement or wisdom.

Thanks folks!
Arnold


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