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Unread 02-28-2013, 06:36 PM   #1
Jeepzeroone
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2008 JK Wrangler 
 
Join Date: Jan 2013
Location: Albuquerque, nm
Posts: 20
Whats going on..

just put new tires (285/70/17D1) rocky mountain ATS.
jeep rides great until

I come to a stop on a bumpy part of the road.
I have to fight it to keep it in my lane.

Just driving over the same spot on a green light its fine.
If i get the red and have to stop its a war.
Happens on any bumpy road i stop on.

Tires the issue here or something else?

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Unread 02-28-2013, 06:48 PM   #2
Waltjason
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2011 JK Wrangler 
 
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Location: Waynesville, MO
Posts: 194
Sounds like a ball joint or steering stabilizer or something on the front end is loose. Are all your lug nuts tight? Or it could be the death wobble. How many miles do you have? Do you have a lift or other mods?
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Unread 02-28-2013, 06:50 PM   #3
Jeepzeroone
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Location: Albuquerque, nm
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2 inch spacer lift ( fixing that) 2008 40k miles.
Lug nuts should be tight (ill check) got the tires last sat, had the tire place tighten them after 35 miles.
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Unread 02-28-2013, 07:26 PM   #4
toxicwaste29
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2012 JK Wrangler 
 
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Location: Canton, Ohio
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It might be a warped rotor on the side its pulling. Could be why it only pulls when braking. Also could it be the road, when i went home every day, semi's wore grove into the pavement so the jeep followed the groves and you could feel it move into the groves on its own?
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Unread 02-28-2013, 08:35 PM   #5
Jeepzeroone
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Dont think its a rotor it breaks fine on smooth roads.
not sure about the road, happens on a different road also


Not sure how i forgot this, put a winch and bumper on it two weeks ago.
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Unread 03-01-2013, 04:26 AM   #6
Remmy18
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Quote:
Originally Posted by Jeepzeroone
Dont think its a rotor it breaks fine on smooth roads.
not sure about the road, happens on a different road also

Not sure how i forgot this, put a winch and bumper on it two weeks ago.
Spacer lift, wider tires than you're used too and a heavy bumper and winch all will certainly have a negative response in road handling over stock, if that's what you're used too. I'm not saying there isn't another issue but I do know you will see a decrease in road handling characteristics with that setup. I had 13.50s and bumpers with winch on my last JK and it wandered all over from grooves in the road that would be worse when breaking.
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Unread 03-01-2013, 04:28 AM   #7
Remmy18
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Quote:
Originally Posted by Remmy18

Spacer lift, wider tires than you're used too and a heavy bumper and winch all will certainly have a negative response in road handling over stock, if that's what you're used too. I'm not saying there isn't another issue but I do know you will see a decrease in road handling characteristics with that setup. I had 13.50s and bumpers with winch on my last JK and it wandered all over from grooves in the road that would be worse when breaking.
Braking
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Unread 03-01-2013, 10:02 AM   #8
jpin321
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To much air in your new tires?
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Unread 03-01-2013, 10:04 AM   #9
MeatCurtains
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Whats happening is it is pulling towards the side with the most traction, and when the road is uneven and bumpy it will pull back and forth a little bit as you stop. It is a result of more contact patch on a wider tire. It actually will happen with any tire, but the bigger and wider the tire the more you feel it.
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Unread 03-01-2013, 11:07 AM   #10
SilverStreaker
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Quote:
Originally Posted by jpin321 View Post
To much air in your new tires?
I tend to agree this may be a big part of your problem. I know when I first got my 35's the tire shop filled them to the rated pressure and the drive home was a nightmare.
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Unread 03-01-2013, 11:11 AM   #11
jpin321
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Quote:
Originally Posted by SilverStreaker View Post

I tend to agree this may be a big part of your problem. I know when I first got my 35's the tire shop filled them to the rated pressure and the drive home was a nightmare.
Yea when I first got my new tires they put 45 psi in 33s. I had to drive with both hands on the wheel to stay in the road. Every bump walked me toward the ditch lol.
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Unread 03-01-2013, 04:26 PM   #12
Jeepzeroone
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Ill take it down a pound or two in each tire and toy around with it this weekend.

Thank you all.
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Unread 03-01-2013, 07:41 PM   #13
ljrubitm
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30 psi would be a good start. also check you toe.
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Unread 03-01-2013, 08:47 PM   #14
Jeepzeroone
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My toe looks fine, a bit ugly and maybe needs the nail trimmed but its in good shape. Even had my wife check it and she said its cute

But really thank you for the input i will have it checked out.
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