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Old 01-03-2014, 05:45 PM   #1
corey_nethingcars
Scooby Newbie
 
Member#: 369275
Join Date: Sep 2013
Chapter/Region: NESIC
Location: RI
Vehicle:
2008 Stage 2
Legacy GT

Default Diagnosis suggestions?

So. I got in a little accident, slid into a curb. Front right passenger wheel hit, replaced the lower control arm as well as the hub assembly. I am getting a "grinding" I can hear, and can also feel at my feet when:
* I accelerate to hit a high RPM, let go of gas, and let car slow down not applying brake pressure. So, I guess you can say when the engine/tranny is under stress at high RPM.

It does not do it constantly! I drove it for a while with no issues up until 5 minutes before the destination when I started noticing the noise/feeling at my feet.

Once or twice it made the noise after driving, when I was in Park/Neutral and I revved the engine.

Looking at the car, axle is tight, no rips or tears anywhere, front end all feels tight. Car shifts fine and engine sounds perfect. Noticed a tranny mount bolt was bent, so possibly the mount is loose/twisted, possibly causing metal-to-metal and sending vibration throughout the chassis? Also, maybe just a tiny bit of drive shaft play.Other than that, not sure what it could be. It only does it when I put the car under fairly high stress, as I explained above.

Any help would be great! (IT IS A 5EAT, not a manual)
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Old 01-04-2014, 08:01 AM   #2
J.Gibbs
Scooby Specialist
 
Member#: 312107
Join Date: Mar 2012
Chapter/Region: NESIC
Location: Sterling
Vehicle:
1998 LowFoz
Glacier White

Default

Check your rear trans mount. The center stud is more than likely bent and causing the vibration.
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Old 01-04-2014, 05:04 PM   #3
Jack
Add Lightness
Moderator
 
Member#: 13699
Join Date: Dec 2001
Chapter/Region: NESIC
Location: Hopkinton, MA
Vehicle:
2007 Lotus Elise
(From General)

Default

Did you get the car aligned again?
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Old 01-07-2014, 10:07 AM   #4
corey_nethingcars
Scooby Newbie
 
Member#: 369275
Join Date: Sep 2013
Chapter/Region: NESIC
Location: RI
Vehicle:
2008 Stage 2
Legacy GT

Default

Quote:
Originally Posted by J.Gibbs View Post
Check your rear trans mount. The center stud is more than likely bent and causing the vibration.
I think that may be that "bolt" my mechanic said was bent. Does it make sense I'd feel the vibration in the floor at my feet while driving though?

I am going to my buddies garage to check it all over ourselves and tighten/replace bolts as well as maybe even the tranny mount(s) if needed.

(yes, the car was aligned as well)
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