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Old 10-10-2016, 01:08 PM   #1
tlking4
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Member#: 407751
Join Date: Dec 2014
Chapter/Region: South East
Location: Boone, NC
Vehicle:
2010 WRX
Dark Grey

Default In need of diagnosis assistance: CV joint, wheel bearings, tie rods, tires, or someth

I originally posted this on reddit, but I wanted NASIOC's opinion as well. This thread: http://forums.nasioc.com/forums/show....php?t=2163109 was helpful, but my vehicle a different year, so I wanted to check.

Car: 2010 Subaru WRX, 112k miles, stock except for new (slotted)rotors and pads, never tracked as long as I have owned it (2 yrs, past 60k miles)

I have been experiencing a vibration with a growling noise, felt in the steering wheel and floor, that does not change with braking, can be felt at 30mph+ going straight, and much lower when turning. Turning is associated with a popping noise. While driving at highway speeds, the front passenger wheel sounds like it's always on rough pavement, and every ~15 seconds it feel a slight bump like I ran over something, but I didn't. On top of that, every ~30 seconds the car will shake, as if the wheels aren't straight, mostly felt at +45 mph.

The tires should have at least 10k miles left, brakes and calipers are fine, alignment and balancing has been checked and done multiple times. Rear wheel bearings were changed about 10k miles ago. I have already checked for play by jacking the front end up, one wheel at a time, and trying to pull the wheel back and forth. Neither of them budge.

I'm more than a little concerned, given how often I take the car on the high way and with colder weather coming up. What should I be checking, and what is most likely to have broken down? All the research I have done thus far points to CV joints or maybe ball joints?

Thanks in advance for the help

*Update* so I had the driver's side ball bearing replaced and the CV joints inspected. Car seems a little more stable but I still feel a some of the vibrations and bumps. Should I still replace the CVs?
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Last edited by tlking4; 10-10-2016 at 10:12 PM. Reason: Update
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Old 10-10-2016, 02:05 PM   #2
darkstarmoto
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Member#: 44681
Join Date: Oct 2003
Chapter/Region: Tri-State
Location: SouthEastern, PA
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2011 WRX SWP Hatch
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Sounds like a failing CV axle.
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Old 10-10-2016, 02:08 PM   #3
tlking4
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Location: Boone, NC
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2010 WRX
Dark Grey

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Quote:
Originally Posted by darkstarmoto View Post
Sounds like a failing CV axle.
Most of the research I was seeing points to this; I'm only unsure because the boots seem fine
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Old 10-10-2016, 02:29 PM   #4
CarmelValleyWRX
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clicking on turns is classic CV problem.
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Old 10-10-2016, 02:55 PM   #5
tlking4
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Quote:
Originally Posted by CarmelValleyWRX View Post
clicking on turns is classic CV problem.
Wouldn't describe it as a "click", more of a "pop".

It is worst when going downhill, turning to the left. So would that mean I should look at my passenger side?
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