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Death Wobble FIXED!!

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Old Feb 21, 2020 | 07:25 AM
  #46  
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KILLA ZILLA
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Originally Posted by ncl
Well what do you think? This came off my truck today for the revised one. It broke in the techs hand. 2017 with 14k on the clock. Truck feels much better now. I had slight shimmy and bump steer hitting certain bumps. Now it's all gone so far.....
Revised one? When did they come out with a revised one?
 
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Old Feb 21, 2020 | 07:37 AM
  #47  
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ncl
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From: Green Springs, OH
Originally Posted by KILLA ZILLA
Revised one? When did they come out with a revised one?
From what I had read is they had a replacement early on when all this DW started. That one didnt work and they came up with another one in December. That's what the service rep said at dealership as well. The latest one was on back order for a bit as well. That issue seems to be solved as this dealer was able to get one in a couple days.
 
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Old Feb 21, 2020 | 08:27 AM
  #48  
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powersrp
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From: Cheboygan Mi
crutch

The steering stabilizer is neither the fix nor the cause of dw, its only designed to minimize the impact to steering components when hitting pot holes etc. It will sometimes mask other problems until it gets weak or the other parts get worse. Ive never had dw, but i did replace the stock ss with a fox ss at 2,000 miles to aid in the bump steer, which it did very nicely. pot holes etc are shrugged off with a thump and no weird steering issues. Guess im lucky so far.
 
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Old Feb 21, 2020 | 08:43 AM
  #49  
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I think bump steer is the result of not enough toe-in. DW seems to be caused by multiple lose components in the steering system. The most common fixes for DW seem to be replacing the track bar and adding a little caster.
 
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Old Feb 21, 2020 | 08:46 AM
  #50  
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redford
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Originally Posted by Ding126
PLease excuse my ignorance. The term Bump Steer is referring to what condition(s). I understand the DW
Thank you
Bump steer is a condition where your wheels steer themselves without input from the driver, usually associated with suspension movement (like going over bumps). An example might be your truck wants to turn left as the suspension is compressed.

In a modern vehicle with stock suspension, bump steer is normally caused by a bad alignment or worn parts. I have heard that a bad tire can also cause this.

Sometimes a poorly designed lift kit can also cause bump steer.
 
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Old Feb 21, 2020 | 09:26 AM
  #51  
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Originally Posted by TCNashville
My '17 has 22K and the steering still seems quite tight. I don't have any wobble hitting expansion joints, pot holes or anything. I do have the occasional wheel hop when hitting an across the road bump in a curve but I think that's pretty normal for a solid front axle vehicle. My question is since the steering stabilizer is part of the equation of DW, would it be prudent for me to replace that part now before it's potential failure lets the rest of the front end components wear out prematurely thus mitigating DW? What would be the best steering stabilizer to replace the factory one with and is it a difficult install? My truck is under warranty for another 7 months. Paranoia strikes deep.
TC: This is what I put on my 17. A puller makes it easier too. Made a noticeable difference...and I agree with replacing it before it becomes a problem.



 
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Old Feb 21, 2020 | 09:52 AM
  #52  
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powersrp
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From: Cheboygan Mi
Bump steer is the result of the steering components and or suspension reaction on a straight axe design, and it is normal even when all parts are in good shape and alignment is with in spec, yes you can toe in or out to fine tune bump steer, but you tires will suffer as will gas milage, some bump steer even with a good steering stabilizer will occasionally still occur.
 
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Old Feb 21, 2020 | 10:16 AM
  #53  
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Originally Posted by powersrp
Bump steer is the result of the steering components and or suspension reaction on a straight axe design, and it is normal even when all parts are in good shape and alignment is with in spec, yes you can toe in or out to fine tune bump steer, but you tires will suffer as will gas milage, some bump steer even with a good steering stabilizer will occasionally still occur.
I think that's why dual steering stabilizers are a popular upgrade.
 
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Old Feb 21, 2020 | 10:23 AM
  #54  
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yardbird
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If I were to buy a solid axle 4x4, I would definitely put a dual stabilizer on it.
The self steering drop axles that are seen mainly on dump trucks have a strong shock on each side pushing the wheel out. If one shock ever goes bad the resulting d/w when hitting bumps will almost throw you off the road. You better hit the switch quick and pull the axle up.
 
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Old Feb 21, 2020 | 11:20 AM
  #55  
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Originally Posted by jollyrogr
I think that's why dual steering stabilizers are a popular upgrade.
I had Bump Steer with my '19 F250, dealer didn't help none, last truck I will by there because of the **** poor service dept. Never had steering issues with previous F250 and F350. Anyway, I installed PMFs Dual Stabilizer w/Bilstein option, like a different truck. Front end shop told me there is nothing wrong with my front end, Bump Steer is normal with these big trucks and large tires. I no longer have Bump Steer.
 
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Old Feb 21, 2020 | 11:37 AM
  #56  
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Originally Posted by RGPolo
I had Bump Steer with my '19 F250, dealer didn't help none, last truck I will by there because of the **** poor service dept. Never had steering issues with previous F250 and F350. Anyway, I installed PMFs Dual Stabilizer w/Bilstein option, like a different truck. Front end shop told me there is nothing wrong with my front end, Bump Steer is normal with these big trucks and large tires. I no longer have Bump Steer.
I'm leaning toward that PMF unit with the Bilsteins also. Looks like a good unit and costs less than the Fox stuff.
 
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Old Feb 21, 2020 | 12:03 PM
  #57  
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Originally Posted by CBEllis
TC: This is what I put on my 17. A puller makes it easier too. Made a noticeable difference...and I agree with replacing it before it becomes a problem.
CB, would you happen to have a part # for that Fox stabilizer? The Fox # I'm coming up with is 985-24-001?. Been trying to research this situation and it gets very confusing on what will fit and not fit. Also is that a Pitman arm puller? I need to research how that tool functions with regards to the Pitman arm which I just found out what that is as well. I'm very mechanically inclined and do all my own vehicle maintenance but my front suspension knowledge is limited at best. YouTube will be my friend I think. Thx



















 
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Old Feb 21, 2020 | 05:34 PM
  #58  
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Originally Posted by ForCal
I still need to watch that video. Fords fix, based on their TSB, is to reduce caster towards the low end of the spec and change the steering damper. I wonder why Ford would do the opposite of what is generally suggested.
yeah, that seems counter what you should do.
Question is, where is that info. from ford and does their solution cure the DW?
 
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Old Feb 21, 2020 | 07:02 PM
  #59  
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Originally Posted by KILLA ZILLA
yeah, that seems counter what you should do.
Question is, where is that info. from ford and does their solution cure the DW?



Its in their TSB. Yet to be determined if it is rhe cure.
 
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Old Mar 26, 2020 | 11:25 PM
  #60  
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Dukke_1
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Death wobble when braking, especially downhill

Hello!
First time posting. I apologize that I am commenting on this thread that is technically 2017 and newer and I have a 2014 4x4 250 with 132K on the clock, but the death wobble info in here is some of the best I've found so I'm taking a shot. I've gotten hit by death wobble once or twice from hitting a bump just right, but mainly it's only when braking. It is especially prone to hit me if I am going downhill. I know this likely means bad balljoints or bushings somewhere up front, but I do not see a single loose one.
Steps I've taken to fix it so far have been:
1. Replaced Dampener with OEM part. No change.
2. Replaced track bar and its ball joint with Moog parts. Seemed to firm it up some but still DW.
3. Replaced drag link and drag link tie rod with Moog. No change.
4. Said the hell with it and re-replaced the Dampener with a Rancho. Still no change.

I'm pulling what little hair I have out. I'm taking it to a shop for the first time tomorrow to have them do a solid alignment and balance the tires, but barring a miracle from that, I'm at wits end. There is no play at all I notice from trying to wiggle either front tire so those ball joints seem fine. Next I guess I'll change the last 2 tie rods, but I just can't understand why I can't see any play in any of the joints. Also, the truck is bone stock as I bought it to pull, not go mudding.

Any help would be much appreciated as this is getting expensive and the military don't pay that well! Lol
 
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