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Hard Left Hard Right Turning Air Bubble?

Hi everyone, I was hoping to see if anyone else had this issue before... So when im backing out of my garage or pulling out of a parking space and

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Old 12-02-2014, 03:24 PM   #1 (permalink)
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Thumbs down Hard Left Hard Right Turning Air Bubble?

Hi everyone, I was hoping to see if anyone else had this issue before...

So when im backing out of my garage or pulling out of a parking space and I turn hard left or hard right it feels like im running over a small bump every so often.

Imagine a basketball with a air bubble in it, when it rolls once it completes its roll it hits that bump and slightly goes up a bit...

Ive NEVER noticed this issue before until recently I had my tire patched.

It happens when I turn left or right and it does not happen on 2/3 - 1/3 turns or even driving straight...

Any idea on what could be causing this? Ive checked my tire and there is no bumps or rubbing going on that I can see.

Thanks in advance.
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Last edited by JrumMusic; 12-02-2014 at 07:05 PM.
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Old 12-02-2014, 03:38 PM   #2 (permalink)
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Quote:
Originally Posted by JrumMusic View Post
Hi everyone, I was hoping to see if anyone else had this issue before...

So when im backing out of my garage or pulling out of a parking space and I turn hard left or hard right it feels like im running over a small bump every so often.

Imagine a basketball with a air bubble in it, when it rolls once it completes its roll it hits that bump and slightly goes up a bit...

Ive NEVER noticed this issue before until recently I had my tire patched.

It happens when I turn left or right and it does not happen on 2/3 - 1/3 turns or even driving straight...

Any idea on what could be causing this? Ive checked my tired and there is no bumps or rubbing going on that I can see.

Thanks in advance.
I have the same issue with my OEM front tire, but I'm pretty sure you wrote the answer for your problem without noticing it lol
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Old 12-02-2014, 03:42 PM   #3 (permalink)
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Consequence of the amount of akernman in the steering and scrub radius. the problem can be exacerbated with spacers.

Google akerman steering and scrub radius to get an understanding of the mechanics involved in a steering system if you want more details.
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Old 12-02-2014, 03:44 PM   #4 (permalink)
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that's a character of the z that has been noted many times.

btw, dont turn the steering lock to lock, your pump dont like that.
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Old 12-02-2014, 03:45 PM   #5 (permalink)
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that's a character of the z that has been noted many times.

btw, dont turn the steering lock to lock, your pump dont like that.
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Old 12-02-2014, 03:50 PM   #6 (permalink)
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Old 12-02-2014, 06:57 PM   #7 (permalink)
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Thank you so much for the info guys, Imma check this out and do my research might go to the shop tomorrow and see if they see anything unusual.

I still have my 100k warranty so hopefully im covered.
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Old 12-02-2014, 07:13 PM   #8 (permalink)
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It's the cold. When your tired are cold and you turn hard at low speeds they don't grip more like skip or scuffle across the pavement. The next time it's warm try it and you'll see the difference.
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Old 12-02-2014, 07:56 PM   #9 (permalink)
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Completely normal. Ackerman angles.

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btw, dont turn the steering lock to lock, your pump dont like that.
The FSM has a very specific warning not to hold it more than 10 seconds at full lock, but it instructs you to turn lock to lock holding for 5 seconds each way when checking for leaks. Unless doing this procedure, I wouldn't hold it for more than a second or two.
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Old 12-03-2014, 10:25 AM   #10 (permalink)
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I fkn love the 370z Forum. You guys rock!!
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