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Noise On Hard Acceleration

 
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Old 20 Jul 2014, 02:35 pm
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Default Noise On Hard Acceleration

So a few weeks ago I drove my car over a pretty dramatic pot hole in the road and it started to develop this. After taking it to the mechanic he found that the bushings on the lower control arms were pushed out and it was the metal to metal that was creating the noise.

I have since replaced the control arms, but the noise still lurks. It only occurs when I am accelerating, or when there is a lot of torque. Like going up a steep hill or driving initially from a stop.
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Old 20 Jul 2014, 02:47 pm
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Default Re: Noise On Hard Acceleration

Welcome to the forum.

Whinning, clicking, scraping, popping? Can you describe the noise it's making?
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Last edited by CREWZIN; 20 Jul 2014 at 02:51 pm.
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Old 20 Jul 2014, 03:09 pm
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Default Re: Noise On Hard Acceleration

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Originally Posted by CREWZIN View Post
Welcome to the forum.

Whinning, clicking, scraping, popping? Can you describe the noise it's making?
Thank you. And it sounds like a metal on metal vibration. I believe that maybe part of the exhaust was bent and vibrates on something on acceleration.
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Old 20 Jul 2014, 03:16 pm
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Default Re: Noise On Hard Acceleration

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Originally Posted by djrandyran View Post
Thank you. And it sounds like a metal on metal vibration. I believe that maybe part of the exhaust was bent and vibrates on something on acceleration.
If it is, the only way to tell is to get under the car and shake different parts of the exhaust and see is any part rubs, knocks against the frame or around the rear axle where the exhaust pipe makes a loop over it and back towards the rear. Could be up the front part where the flex pipe comes off the header and back to the CAT.
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Old 20 Jul 2014, 03:23 pm
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Default Re: Noise On Hard Acceleration

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Originally Posted by CREWZIN View Post
If it is, the only way to tell is to get under the car and shake different parts of the exhaust and see is any part rubs, knocks against the frame or around the rear axle where the exhaust pipe makes a loop over it and back towards the rear. Could be up the front part where the flex pipe comes off the header and back to the CAT.
I am changing the oil today anyway so it will be the perfect time to check that. I'll look around and see what i find.
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Old 20 Jul 2014, 05:00 pm
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Default Re: Noise On Hard Acceleration



This is what I found. The bolt on the AC compressor will press up against the metal when the engine twists under load. A quick fix to me is to take a metal punch and try and to bend the metal, but that is rather "not the right way." What do you recommend.
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Old 20 Jul 2014, 05:19 pm
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Default Re: Noise On Hard Acceleration

Quote:
Originally Posted by djrandyran View Post
This is what I found. The bolt on the AC compressor will press up against the metal when the engine twists under load. A quick fix to me is to take a metal punch and try and to bend the metal, but that is rather "not the right way." What do you recommend.
Check your lower motor mount, if it's bad replacing it should fix your problem.
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Old 20 Jul 2014, 05:37 pm
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Default Re: Noise On Hard Acceleration

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Old 20 Jul 2014, 05:38 pm
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Default Re: Noise On Hard Acceleration

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Originally Posted by Lion7718 View Post
Check your lower motor mount, if it's bad replacing it should fix your problem.
Is that just the aluminum strut?
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Old 20 Jul 2014, 05:43 pm
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Default Re: Noise On Hard Acceleration

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Originally Posted by djrandyran View Post
Is that just the aluminum strut?


How to replace lower motor mount

Last edited by CREWZIN; 20 Jul 2014 at 05:49 pm.
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