Horrible wobble over bumps - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 11-22-2010
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Icon4 Horrible wobble over bumps

got my km2s mounted and balanced on thursday. Drove it home perfectly fine from the tire place. The day after, Friday, I did my inner and outer tie rods as well as my swaybar bushings but never got a chance to reinstall my swaybar end links. I brought it to a shop to get an alignment because i always do once i get new tires and then when i was leaving the shop i hit some bumps in the road like normal but my steering wheel started going crazy left and right and I couldn't even hold the wheel, I had to stop to 0mph and start going again for it to stop. My dad was in front of me and he could see my tires going crazy in his rear view mirror.

I brought it back to the shop and left it there over the weekend the guy calls me today and tells me he thinks the tires may not be balanced correctly but when i left the tire shop, the truck drove fine and that was before i even messed with the tie rods. He told me only one of the tires has a weight on the outside where as the other three don't, they only have them on the inside but thats how it left the place they mounted and balanced the KM2s and it drove fine all the way home over bumps and stuff at like 50mph.

Any suggestions on wtf is wrong with the truck? I need to get this thing fixed tomorrow or wednesday because after thanksgiving i don't have a 2nd vehicle to drive.
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Old 11-22-2010
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Old 11-22-2010
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Re-check the air pressure in the tires.
You may have a leak around the bead.
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Old 11-22-2010
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no leaks. the tire would of gone flat sitting all weekend in a parking lot lol
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Old 11-22-2010
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Not really.
A slow leak could take a week or more to go flat.
But loosing 5 lbs over a weekend , and then slowing , is not unheard of.
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Old 11-22-2010
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I've never heard of a lower pressure tire making the steering go nuts like that but i'll check anyways when i pick it up tomorrow
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Old 11-22-2010
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sounds like a **** poor alignment to me, if the toe isnt set right it can cause that. its referred to as the death wobble.
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Old 11-22-2010
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Quote:
Originally Posted by 01_ranger_4x4 View Post
sounds like a **** poor alignment to me, if the toe isnt set right it can cause that. its referred to as the death wobble.
Yeah thats what justin told me, mainly that the caster wasn't set. On the alignment sheet everything is within factory spec though which is weird. I've compared it to the previous alignment and it doesn't seem that far off. I'll post them up here in a sec.
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Old 11-22-2010
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on a side note, no pics of the new tires?
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Old 11-22-2010
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on a side note, no pics of the new tires?
I have one but its on facebook from my phone so it looks bad i've been waiting to take pics with camera lol


Previous alignment
Name:  IMG_0592-1.jpg
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Saturday's Alignment
Name:  IMG_0593-1.jpg
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Old 11-22-2010
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damn that is weird...
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Old 11-22-2010
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could the machines be tossed out of whack or something? idk im stumped lol

first pic wasn't at the same shop.
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Old 11-22-2010
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Originally Posted by 99offroadrngr View Post
could the machines be tossed out of whack or something? idk im stumped lol
its possible but highly unlikely...if the targets arent set right that might have something to do with it
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Old 11-22-2010
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Alright. Im going to take it somewhere else and see if they can figure it out. They've never screwed it up at sears so im going to take it there. Kinda trust them more...idk why i didn't take it there to begin with
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Old 11-22-2010
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Originally Posted by 99offroadrngr View Post
Alright. Im going to take it somewhere else and see if they can figure it out. They've never screwed it up at sears so im going to take it there. Kinda trust them more...idk why i didn't take it there to begin with
Joe at Sears at North Shore have him look at it he did mine. sounds like you have death wobble. i got it once in my ranger and i couldn't control it i had to stop.
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Old 11-22-2010
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Joe at Sears at North Shore have him look at it he did mine. sounds like you have death wobble. i got it once in my ranger and i couldn't control it i had to stop.
thats way too far for me to drive like this lol or else i would. Peabody is quite the hike. The one near me has a few good guys, I request them to do mine when i bring it in

and yeah, same things happening to mine haha it sucks
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Old 11-23-2010
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fixT
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Old 11-23-2010
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fixT
no more death wobble?
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Old 11-23-2010
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So what was it? The alignment?
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Old 11-23-2010
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Good deal man
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Old 11-24-2010
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Quote:
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no more death wobble?
nope. Gone.

Quote:
Originally Posted by nicky919 View Post
So what was it? The alignment?
Nah. It was the balance on the tires. I learned that when mounting new tires bigger than 31" it is a good idea to mount them and drive around like 10 miles before balancing the tires. I brought it back to the shop that mounted and balanced and i told them that and he said a weight must have fallen off which was BS but they rebalanced them free (if they didn't there would have been problems at the place) lol
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