Front end
Thread Starter
Intermediate
Joined: Oct 2014
Posts: 46
Likes: 1
From: staten island new york
Front end
It's been a long winter . Does anyone notice when taking the car out in cold weather that when Turing the wheel while backing out from driveway it feels like the tires are rubbing the wheel well . But when it warms up it seems to go away.
Racer
Joined: Aug 2013
Posts: 488
Likes: 33
From: Bronxville New York
Normal. Low profile tire sidewall rubbing will occur at very low speed turning of wheels.
Race Director
Joined: Sep 2011
Posts: 10,742
Likes: 211
From: Marana, Arizona
Check your owner's manual - 10-62
Tire Chatter/Hop
When driving at slow speeds and in
very tight turns, the vehicle may
have tire chatter/hop. This is normal
and the vehicle does not require
service.
Also do a search - tire hop or Ackerman effect. Dozens of threads
Tire Chatter/Hop
When driving at slow speeds and in
very tight turns, the vehicle may
have tire chatter/hop. This is normal
and the vehicle does not require
service.
Also do a search - tire hop or Ackerman effect. Dozens of threads
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Joined: Feb 2015
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From: Southwestern FL
Drifting
Joined: Jun 2013
Posts: 1,472
Likes: 33
From: Billings Montana
It happens to me almost every time I back out of my driveway. Even after 14000 miles it still takes me by surprise sometimes and sends a shock wave through my senses! 
It'll be interesting to see if my new Bridgestone tires do the same thing.
It'll be interesting to see if my new Bridgestone tires do the same thing.
Burning Brakes
Joined: Jun 2014
Posts: 981
Likes: 157
The video in post 12 is correct, but the C7 uses a non-Ackermann design to get better turning performance. Therefore the resulting wheel hop should really be called the "Non-Ackermann Effect".
Why would you blame poor Ackermann for the problem when the engineers didn't follow his advice? That would be like calling the committee formed to investigate **** and Communist sympathizers the House American Activities Committee.
Why would you blame poor Ackermann for the problem when the engineers didn't follow his advice? That would be like calling the committee formed to investigate **** and Communist sympathizers the House American Activities Committee.
Last edited by WelderGuy; Mar 28, 2015 at 11:00 AM.
