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Thump when turning

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Old Mar 14, 2021 | 01:57 PM
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Default Thump when turning

Noticed today when I took the car out that when I turn sharply I hear a thump sound. Can't pinpoint location. Sounds like if you hit a tire with a dead blow hammer. Not metallic at all. A low thud. Happens when I turn left and right. It has to be a sharp fast turn, it doesn't make the thud noise on slow turns. I checked the axle nuts, they were fine. Its a 2009 6M Z51 with 19,100 miles on it.
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Old Mar 14, 2021 | 02:10 PM
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Originally Posted by shutout
Noticed today when I took the car out that when I turn sharply I hear a thump sound. Can't pinpoint location. Sounds like if you hit a tire with a dead blow hammer. Not metallic at all. A low thud. Happens when I turn left and right. It has to be a sharp fast turn, it doesn't make the thud noise on slow turns. I checked the axle nuts, they were fine. Its a 2009 6M Z51 with 19,100 miles on it.
Could be stabilizer bar bushing, control arm bushing, stabilizer bar link or even a shock bushing. Best way is to raise each corner of car & heave on wheel to see if you get any unusual movement.
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Old Mar 14, 2021 | 02:17 PM
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I'll put the car up on my quick jack this weekend and give it a try. Thanks
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Old Mar 14, 2021 | 05:10 PM
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Check your battery tie down, could be loose.

Gary
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Old Mar 14, 2021 | 05:44 PM
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I'll check. Thanks
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Old Mar 14, 2021 | 05:57 PM
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Is it cool outside when it happens?
https://www.corvetteforum.com/forums...-steering.html
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Old Mar 14, 2021 | 06:21 PM
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Originally Posted by SilverC54me
Check your battery tie down, could be loose.

Gary
I didn't have a chance to test it, but the battery was loose enough to slide around pretty easily. This just might be the problem. I'll post up when I drive the car again to see if this fixed the problem. Either way good call.
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Old Mar 14, 2021 | 06:24 PM
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Originally Posted by 87SAM
Is it cool outside when it happens?
https://www.corvetteforum.com/forums...-steering.html
Thanks for the suggestion. This happened to me when I first got the car and I was like WTF. This is different.
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Old Mar 20, 2021 | 06:30 PM
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It was the Battery!
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Old Sep 13, 2022 | 02:09 PM
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Love this forum - had the same thumping noise....drove me crazy, found this thread checked my battery and sure enough, sliding around!!!
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Old Sep 14, 2022 | 10:44 AM
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A loose battery was the culprit! Who would've guessed? FYI, If you experienced a slight jerk or bump when turning extremely sharp, steering wheel maxed, at slow speeds...I'd say it was "Tire Hop/Skip." Happens usually with older stiff tires during slow tight turns.
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Old Sep 19, 2022 | 10:33 AM
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I have experienced the tire hop and skip.....noticed the thump issue a few weeks ago while making a turn. then last week or so, I was going through a round-a-bout and heard the thump. kinda crap my self thinking something suspension related until I seen the post regarding the battery. got home and checked the battery and the clamp was loose for whatever reason and the battery was freely sliding side to side.
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