My Death Wobble Fix - Ford Powerstroke Diesel Forum
Suspension & Steering Discuss OEM & aftermarket suspension, lifts, air ride suspension, shocks, steering components, etc.

 
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post #1 of 9 Old 09-30-2013, 06:07 AM Thread Starter
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My Death Wobble Fix

Current suspension: 4.5 DR with TEI spacer, DR Adjustable Track Bar, Dual stabilizer, ORU 3 Link Arms, less than 20K on new ball joints and steering linkage

Never had a problem until a couple months ago. Started to get the wobble if I hit a bump with mainly the passenger side tire.

Had Caster set at 3.5 degrees and changed that to about 4.2. That helped about 65 percent.
Decided to change out the DR track bar (with bushing end) with the Carli track bar. Figured the bushing was shot and wanted to upgrade to the Carli bar. Changed out the track bar balljoint at the same time.

It is solid as a rock now. I don't remember it ever steering this good. I believe the track bar bushing was the main issue, but adding the caster certainly helped.

4.5 Icon with TEI, 3 link arms, Carli Track Bar, 14 rear springs with PMF blocks, OUO traction bars, 325/65-18 MT ATZ on 18x10 Weld Sandstorms,5 inch exhaust, SCT with Gearhead/PHP tunes, 08 Mirrors, 08 Tailgate with BU camera, Pioneer HU, JL Stealthbox sub, Edge CTS with custom mount, Coolant filter, 5" aluminum one-piece shaft
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post #2 of 9 Old 09-30-2013, 06:58 AM
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Good information! That more positive caster helped is a positive argument against using just a coil spring spacer to level a truck. Just a spacer will take caster out of the front end.

Karl and his 03

Karl and his 2003 6.0

Barefoot Accelerator Pedal
TRICO Force wiper blades
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WHAT!?! I was trying to list stuff that everyone else
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post #3 of 9 Old 09-30-2013, 07:32 AM
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my death wobble is returning also, where do we find the Carli track bar and how much$?
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post #4 of 9 Old 09-30-2013, 10:12 AM Thread Starter
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I bought mine at 8 Lug Truck Gear 345.00 with free shipping.

4.5 Icon with TEI, 3 link arms, Carli Track Bar, 14 rear springs with PMF blocks, OUO traction bars, 325/65-18 MT ATZ on 18x10 Weld Sandstorms,5 inch exhaust, SCT with Gearhead/PHP tunes, 08 Mirrors, 08 Tailgate with BU camera, Pioneer HU, JL Stealthbox sub, Edge CTS with custom mount, Coolant filter, 5" aluminum one-piece shaft
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post #5 of 9 Old 09-30-2013, 10:35 AM
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thanks man !
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post #6 of 9 Old 10-18-2013, 07:38 PM
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Just curious as to some of the abbreviations such as ORU and DR. Which dual stabilizers did you go with?


2012 F-350 Lariat FX4 CCSB
2.5" Carli Commuter
Carli High Mount Steering Stabilizer
AFE Cold Air Intake
Truxedo Lo Pro QT
Line-X
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35x12.5x20 Toyo AT II Extreme
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post #7 of 9 Old 10-18-2013, 10:05 PM
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You could identify which model and year truck
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post #8 of 9 Old 10-19-2013, 06:06 AM Thread Starter
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2005 F250 CC 6.0

DR Donahue Racing, now called Icon.
ORU should be OUO One Up Off-road.

I ended up using a dual stabilizer kit from PMF, it was on sale.

4.5 Icon with TEI, 3 link arms, Carli Track Bar, 14 rear springs with PMF blocks, OUO traction bars, 325/65-18 MT ATZ on 18x10 Weld Sandstorms,5 inch exhaust, SCT with Gearhead/PHP tunes, 08 Mirrors, 08 Tailgate with BU camera, Pioneer HU, JL Stealthbox sub, Edge CTS with custom mount, Coolant filter, 5" aluminum one-piece shaft
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post #9 of 9 Old 10-20-2013, 06:42 PM
Fill it up again Dummy
 
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I had a pretty bad case of death wobble when I adjusted my
Fabtech radius arms to the negative side of the washers. The coils sure sat straight up and down but the death wobble was immediate when I changed it.

So yes you are correct that caster can cause death wobble, I have seen what it can do in my truck.


2006 F250 LARIAT CCSB 4X4
ARP Studs, O-Ringed Heads
X4 PHP 65 HP Custom Tow Tune
Atlas40 Ficm Tune
CAT EC-1 Coolant, IPR Coolant filter
Fass-125 to a Adjustable Pressure Reg.
Turbo-back SS 4" pipe, Corsa Muffler -7" Tip
6.4 starter, DC Power 270 amp alt
Die Hard Platinum AGM all 2/0 Cables
7" lift w: Icon Progressive Coil Springs
2008 up Carli/Deaver rear springs
All riding on some Fatty-Daddy 38/15.50/18 Toyo's
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