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Old 02-20-2011, 07:32 PM   #1
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Took jeep into dealer for front end

I have an '07 2 door with ~22k miles. I experienced the dreaded DW on Friday and after reading the DW sticky on this forum I am concerned! The machine is certified used so I have a 3k mile bumper to bumper warrranty on her.
Now my concern, I put 1,000 miles on it before I experienced the DW for the first time. I highly doubt the dealer is going to go to all the trouble outlined in the very thorough troubleshooting posted here. So, assuming they don't experience the wobble and they don't see anything wrong, what the heck should I do? I am thinkin taking the tech for a ride to recreate the condition, but the spot where I experienced it was 10 miles away, not sure they will go for that long of a ride.
I only know that wobble scared the hell outta me and it has to be fixed. This is my first Jeep, so please don't take this the wrong way. I am assuming the DW is not a normal condition and can be corrected. Maybe I am worried over no big deal and they will just find the problem and fix it straight away. Any input will be greatly appreciated. Thanks...

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Old 02-20-2011, 07:48 PM   #2
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Do you consistantly feel it when driving in this one location only? Is the surface rough? You could have bump steer which is a little different but just as scary. Can you slow down or accelerate out of it or do you have to come to a complete stop to get it to level out?

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Old 02-20-2011, 07:57 PM   #3
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I experienced this one time. Smooth asphalt road, paved last year. I was making a slight right turn (bend in the road) doin 45 mph. I hit a bump in that turn, a spot where the road was heaved up from the frost but not a pot hole. honestly don't know if you would feel the bump in a car. That triggered it, I slowed down to less that 20 mph maybe around 10 or so and it quit. Thanks.
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Old 02-20-2011, 08:09 PM   #4
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Death wobble is different from driveline vibes, bump steer, or other problems. death wobble is the worst, and you CAN NOT STEER at all until stop or very close. Im sure they can check out the main things listed along with alignment and toe in and balance of tires very quickly for you. It is in your warranty so they should do that.
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Old 02-20-2011, 08:29 PM   #5
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Thanks, I do feel a bit better about the situation now. Thanks for your help.
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Old 02-20-2011, 08:52 PM   #6
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No problem hopefully you should be able to find your issue very quickly. goodluck
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Old 02-20-2011, 08:59 PM   #7
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Bumpsteer could be from poor tires, improperly inflated or balanced tires, or a worn or damaged steering damper.
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Old 02-21-2011, 03:38 PM   #8
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Dw

Take your steering damper loose and see if the action is smooth through out the stroke. My friend had this last week and the alignment guy found it by doing this. He put a new one on and it was gone.
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Old 02-21-2011, 08:40 PM   #9
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steering damper

Quote:
Originally Posted by Crossfab View Post
Take your steering damper loose and see if the action is smooth through out the stroke. My friend had this last week and the alignment guy found it by doing this. He put a new one on and it was gone.
That was the problem, I did not diagnose it this time since the rig is still under warranty. But the dealer claimed the damper traveled about 4" free, then started to offer resistance. Man do I feel relieved! The weather is getting pretty crappy here in N.E. Ohio, so I can have fun with the Jeep but will have to wait a while before I can test the fix and be certain. Thanks everyone for the info, this forum rocks!
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Old 02-22-2011, 06:05 AM   #10
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Hmm... I dont like that answer. The damper is there to damp the bump steer, not to remove death wobbles. You should be able to drive your vehicle without the damper altogether, just finding the steering jumps arounmd a little more.

Death wobble, where you have the violent left to right shaking of the entire front end that will not stop until you slow to almost a stop may be masked to some extent by a steering damper but dont be fooled, the root of the problem is still there.

Vast majority of all death wobbles in any solid front axle vehicle is caused by the track bar not holding the front axle securely enough, allowing the body to develop a harmonic left right vibration in oposition to the axle. Being a harmonic vibration it will not cease until the vehicle stops. Either broken or deteriorating bushes or breaking mounts will be the usual culprits. If let happen again, anything in that area not already damaged soon will be.
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Old 02-22-2011, 06:09 AM   #11
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Quote:
Originally Posted by SeaComms View Post
Hmm... I dont like that answer. The damper is there to damp the bump steer, not to remove death wobbles. You should be able to drive your vehicle without the damper altogether, just finding the steering jumps arounmd a little more.
Exactly, but he didn't have DW, he had bumpsteer. Most rookies don't understand the difference. Bumpsteer = WTF was that? DW = OMG I need to change my pants!
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Old 02-22-2011, 06:43 AM   #12
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Ouch, rookie hurts, FNG, Newbie sound a little better, but hey, if the shoe fits then rookie it is. :-)
Tom described the senstation pretty well although until I experience DW, I will never truly know the diff no matter how long I drive a Jeep. I will be convinced this was bumpsteer when I put the machine through some road tests after the storm passes and the roads are dry. For now, thanks to the information and people on the forum, I feel pretty confident that that was the problem and it is solved. thanks
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Old 02-22-2011, 07:04 AM   #13
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I actually wrote that because I thought it was less offensive, sorry if I was wrong. I am in no way diminishing your bumpsteer experience. If you have to be turning at speed and hit just the right bump, it can be very unnerving. My old CJ7 had just the right type of tread pattern on the tires to make driving on a metal grate bridge a nightmare. You had to fight the wheel as the tires wanted to follow the grid.

I experinced bumpsteer early on with my '09 and immediately replaced the steering damper with an aftermatket one. Later the was a TSB for the stock dampers and in '10 a beefier one became standard.

It was probably the same situation with your '07. FWIW you can get a Rancho or Skyjacker for less than $50.
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Old 02-22-2011, 08:40 AM   #14
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No offense taken Tom. Here, on this forum, I am a newbie/rookie/FNG all of the above, but that will change with time.
I did notice the damper they put on was much bigger than the bad one they replaced. Great advce on the aftermarket brands, I think I will be changing a lot of the suspension to stronger aftermarket stuff as time goes on. Thanks again.

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