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Planet-9

U-turn problem

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YOUR RESEARCHU-turn problem

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Reported cause

yea my problem was due to lack of traction caused by lack of rubber (all stock 19's are low profiles) and cold temperature.

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U-turn problem
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Reported cause

yea my problem was due to lack of traction caused by lack of rubber (all stock 19's are low profiles) and cold temperature.

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U-turn problem
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12 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

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POST 1Original post

Just discovered another problem with my cs with 19" wheels. While I was making a u-turn today at maybe 20 to 25 mph (wasn't really looking), the front end of the car shakes and rattles. It sounded like the tire is hitting part of the car. I tried another u-turn at similar speed later, the same thing happened. It does not sound like typical 'cosmetic' noise problem. I am not a car guy, should I be concerned??

POST 2Original post

Are they after market 19's maybe they have a different offset that stock. Is is possible for you to get down and take a look under the car. I would say check the inside sidewalls of both front tires and see if there are marks from rubbing. Then if you see marks on the tires find out where on the car it is hitting. Also, is the car lowered? It may be hitting the fender lips.

POST 3Original post

they are 19" carrera classic wheels, the car is not lower or has any modification.

POST 4Original post

Edit... ok I couldn't find it in the FAQ, though supposedly it used to be in there, but it's been reported before in several threads and it is normal... This was the most recent post: http://www.planet-9.com/cayman-complaints/21247-need-help-when-wheel-lock-lock.html

POST 5Original post

Could it do this with certain alignments? Each front wheel wanting to take a different direction, so one wheel has to break traction, in a stuttering fashion? I've had that happen in other cars.

POST 7Original post

You could do what I do on tight turns - turn off PSM and kick the rear out...makes it easy to get going in the opposite directions, and is fun albeit I advise you practice in an empty parking lot first.

POST 8Original post

I have Carrera S wheels, and I haven't had that problem. You may wish to take it to the dealer.

POST 9Original post

+1 ... I have Carrera S wheels too .... no probs on u-turns....

POST 10Original post

I have the 19 Classics and have the same noise. Only happens under sharp left/U-Turns. I took it to the dealer & drove the car for the tech. He heard the sound and then put it on a lift and found nothing wrong. He then took another CS out and it made the same sound, so they said it was normal. It is a rattle or wheel rubbing on suspension/wheel well sound.

POST 11Original post

Perfectly normal behavior. Your car is understeering due to too much steering angle and/or too much speed for constant grip so the fronts are skipping a bit. If you'll add some more speed you can get the front tires to slide smoothly until they're abruptly stopped by the curb Either reduce steering input and/or speed. Think friction circle .

POST 12Original post

yea my problem was due to lack of traction caused by lack of rubber (all stock 19's are low profiles) and cold temperature. 25 mph u-turn is moving pretty good and i suspect you are losing traction and the car is skipping

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