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Discussion Starter · #1 · (Edited)
Hey Guys,

Hoping you guys can help me here. Recently, I have been getting vibration above 70mph+ and it gets worse as I accelerate, feels like the damn wheel is about to fall off. It is coming from the passenger side and I do not know what else it can be. I have reBalanced my tires, rotated them, put on the oem wheels, replace the cv axle, all the bushing are good, and no play in the wheels bearings. Do you think it can be the passenger hydraulic motor mount that can cause this? I have a 2012 civic si coupe btw.

I am thinking about ordering new motor mounts, but I am not sure if that will fix the vibration.
 

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Could your alignment be off? Not sure if that would cause a vibration like you're getting but it could be something to check.
 

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If it is only under acceleration, then it is drive train related.
If it is only above a certain speed, both when you are accelerating and when maintaining constant speed, then it is probably suspension related.
 

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Discussion Starter · #4 ·
Could your alignment be off? Not sure if that would cause a vibration like you're getting but it could be something to check.
Yea, I got my alignment redone Saturday and took it for a spend. My toe was barely off. Still getting the same problem. Not sure what else it could be, I have a brand new CV axle on too, straight from Honda. I went under the car and made sure everything is torqued to specs, camber bolts, control arm bushings, axle nut, ball joints, etc. I'm leaning towards replacing the the passenger and tranny engine mount with hasport since I already have the rear hasport mount. Hoping it solves it? Mechanic said there was alot of engine movement.
 

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How many miles on the car?
Any suspension mods?

Does the vibration feel like it is side to side?
Yes: inner cv joint is faulty (the other side)
No: it's something else; a faulty strut?
 

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Discussion Starter · #7 ·
How many miles on the car?
Any suspension mods?

Does the vibration feel like it is side to side?
Yes: inner cv joint is faulty (the other side)
No: it's something else; a faulty strut?
Im at 58k miles. The vibration feels like im driving on a "squared" wheel. I'm on airlift suspension and my daily height is like half a finger gap all around on 18s. Well I replaced a the passenger side with a brand new OEM CV axle. Didn't even make a difference, feel like my old axle is still good and brought a new one for nothing. There is a lot of play in motor mounts, after I did an alignment and found out from the tech. Could that hydraulic motor mount be causing it?
 

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OP keeps mentioning motor mount issues. I'd replace a motor mount.
 

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Hey Guys,

Hoping you guys can help me here. Recently, I have been getting vibration above 70mph+ and it gets worse as I accelerate, feels like the damn wheel is about to fall off. It is coming from the passenger side and I do not know what else it can be. I have reBalanced my tires, rotated them, put on the oem wheels, replace the cv axle, all the bushing are good, and no play in the wheels bearings. Do you think it can be the passenger hydraulic motor mount that can cause this? I have a 2012 civic si coupe btw.

I am thinking about ordering new motor mounts, but I am not sure if that will fix the vibration.
[/QUOTE
engine mounts or torque rods mate had several older honda they all the same the gear box mounts back torque mounts suffer when old they go soft windscreen bond the holes off the mount up sorts it for cheap or buy new mounts that's what sorted my civic and accord s vibrations out .
 

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Hey I have a 2013 Si coupe and have just recently encountered this same problem. All my suspension and front end is legit but there is some play on the passenger side motor mount. Can I get an update, did replace it your mounts fix the problem? If not what did?
 

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Im no mechanic but see if your exhaust is touching anything. I bent my aftermarket sub frame brace and the exhaust pipe was touching it making a vibration every time I accelerated. So maybe get the car on a jack where you can inspect the exhaust front to back. Just my two cents.
 

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So maybe get the car on a jack where you can inspect the exhaust front to back. Just my two cents.
Not a jack. Use jack stands before getting under a car.
 

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I should of been more specific. I would take it to a shop and have them put it on a lift then look (I always call it a jack) . At least then you’ll be able to see literally everything under there vs having to do it in your driveway/ garage.
Understood. I'd just hate to hear of someone getting squished.
 
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