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Death wobble is uncontrolable now!!!

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Old Sep 16, 2007 | 03:55 AM
  #61  
Txwelder's Avatar
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From: Texas
Ramdriver, you and I have essentially the same set up, same year, model, wheels, and tires. I had the wobble real bad after the leveling kit and new shocks. I added the H2's with used BFG's that came on them the same day. I had the allignment done, new track bar and it still wobbled. I ended up getting a Skyjacker DSS and it has helped but like you said, on the highway you can feel it start to shake, mine is around 55 mph and on up to like 68-70 then it smooths out past that. I believe it is in the used/worn tires. Just my thoughts.
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Old Sep 16, 2007 | 06:05 PM
  #62  
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From: Just Moved To COLUMBUS, OH
i finally got the tires for it. i worked a friend to about 400 dollars for a set of new bfgs.... the still had stickers on them... he bought his hummer and immediatly had a 3in lift and 40s pt on it. So these puppies are new and no more shake....
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Old Sep 16, 2007 | 08:32 PM
  #63  
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From: cypress/houston, tx
So the BFGs you had on there was causing the problem?
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Old Sep 16, 2007 | 08:34 PM
  #64  
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From: cypress/houston, tx
Originally Posted by mmurray
Well I got my truck back last night... and after driving it 150 miles this am I have not experienced any DW or strong right pull... But now my steering doesn't correct back to center... Basically I have to turn the wheel left to change lanes and then turn the wheel right to stop it, then it travels right and I have to turn the wheel back left to correct the over correction... It usually takes about 4 times to find center and get the truck to stay there. I called the Mechanic and alignment shop and they both believe it to be the new ball joints are just so tight that it is preventing the truck from self correcting. They told me to drive it for a few days and it would smooth out in a few days.
I personally am thinking possibly Caster was not set propberly maybe not enough positive. Any Ideas?
Did the ball joints loosen up? Is your steering wheel returning to center now?
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Old Sep 17, 2007 | 01:23 AM
  #65  
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From: Cummins Technical Center, IN
I'd say you are correct to assume that there was an insufficient amount of positive caster, as that is the most crucial alignment spec with respect to self-centering.

I personally think it's absurd to say that "tight ball joints" are responsible for this. That makes no sense at all.

JMO
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Old Sep 17, 2007 | 01:16 PM
  #66  
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Well we had Chrysler Ball Joints up top and Moog on bottom and I was told the Moog's were too tight and they just needed to loosen up... I had the self centering issue as above and brought it back...

The Moogs were removed from the bottom and Chrysler's put in and no new alignment and the truck self centers now and drives fine...

It still pulls a little right and will bring it back to have that corrected, but everything else works fine...

Tight Ball Joints didn't make sense to me either, but that is apparently what it was...
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Old Sep 17, 2007 | 02:21 PM
  #67  
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From: Just Moved To COLUMBUS, OH
bfg's replaced my old bfg's and the shake went away...
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Old Sep 17, 2007 | 02:30 PM
  #68  
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From: Pattonville, Texas
A sector shaft stabilizer and upgraded trackbar bushings sure help to prevent death wobble!
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Old Sep 17, 2007 | 02:47 PM
  #69  
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From: S.E., Michigan
Originally Posted by HOHN
The BFGs in that size are WELL KNOWN to cause death wobble. The 3rd gen guys running them on factory wheels or h2 wheels have had TONS of problems with them..You'd be very shocked just how many times ditching the BFGs will fix DW.

For the love of Pete-- why you put the SAME BFGs on if they gave you death wobble? Try another brand!
I run 285x75x16 BFG A/T's load range D
on stock wheels, no problems
running about 35psi all the way around also.

it might be a tire offset thing your getting at also.
depends on what setup these people had before ditching the BFG's
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Old Sep 17, 2007 | 02:52 PM
  #70  
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From: S.E., Michigan
Originally Posted by mmurray
Well we had Chrysler Ball Joints up top and Moog on bottom and I was told the Moog's were too tight and they just needed to loosen up... I had the self centering issue as above and brought it back...

The Moogs were removed from the bottom and Chrysler's put in and no new alignment and the truck self centers now and drives fine...

It still pulls a little right and will bring it back to have that corrected, but everything else works fine...

Tight Ball Joints didn't make sense to me either, but that is apparently what it was...
all alignment shops set up vehicles to pull to the right.
in case you fall asleep, you go into the ditch instead of on coming traffic.
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Old Sep 17, 2007 | 03:40 PM
  #71  
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lukes link
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Old Sep 18, 2007 | 08:16 AM
  #72  
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From: Mississippi Gulf Coast
Originally Posted by b.lee
all alignment shops set up vehicles to pull to the right.
in case you fall asleep, you go into the ditch instead of on coming traffic.
They are supposed to set it up to slightly pull to the left to correct for road crown...
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Old Sep 18, 2007 | 11:06 AM
  #73  
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From: Pattonville, Texas
When they taught us alignment back in the day, it was always setup to track straight with road crown, and toe-in for interstate stability.
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