Deadly frontend bounce
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Tuned
Joined: Jun 2008
Posts: 253
Likes: 4
Deadly frontend bounce
I have an 06 F350 5.4, xl, 4x4. If your doing 50-65 mph or so, and hit a pothole or a series of washboards on the gravel roads, the trucks front left wheel will rebound and then continue rebounding. Kind of like once you give the wheel a chance to bounce once, it dribbles itself like a basketball. Almost sends the truck flying into the ditch, or shakes it to a million pieces! Can only stop it by laying on the brakes and slowing the truck down to the point where the wheel is turning so slow it will just balance out. fuel tank in box slides all over, everything in the ashtray is on the floor, cupholders lose their contents. What causes this wheel dribble/bounce effect? It has new shocks, good tires at around 50psi, and 300 gallons of fuel in the slip tank doesnt help either. Its tough to explain but its quite a rush/scary feeling! I would rather have my older model leaf springs back, bad experience with the coil setup! Anyone have any ideas??? Thx
Hotshot
Joined: Nov 2000
Posts: 11,591
Likes: 14
From: Pflugerville, tx
I have an 06 F350 5.4, xl, 4x4. If your doing 50-65 mph or so, and hit a pothole or a series of washboards on the gravel roads, the trucks front left wheel will rebound and then continue rebounding. Kind of like once you give the wheel a chance to bounce once, it dribbles itself like a basketball. Almost sends the truck flying into the ditch, or shakes it to a million pieces! Can only stop it by laying on the brakes and slowing the truck down to the point where the wheel is turning so slow it will just balance out. fuel tank in box slides all over, everything in the ashtray is on the floor, cupholders lose their contents. What causes this wheel dribble/bounce effect? It has new shocks, good tires at around 50psi, and 300 gallons of fuel in the slip tank doesnt help either. Its tough to explain but its quite a rush/scary feeling! I would rather have my older model leaf springs back, bad experience with the coil setup! Anyone have any ideas??? Thx
Sam
Posting Guru
Joined: May 2006
Posts: 1,028
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From: Edmonton, AB.
When you say new shocks, what is installed. Just because they're new doesn't make them the right one for an SD. Sounds like they aren't providing enough damping action or they may be too stiff and not letting the springs work to allow the tires to follow the surface of the road.
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FTE Leadership Emeritus
Joined: Sep 2000
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From: Stephensville WI
What tire pressure are you running? Ford issued a TSB stating the #1 cause of death wobble (which is what you described) is under inflated tires.
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Hotshot
Joined: Nov 2000
Posts: 11,591
Likes: 14
From: Pflugerville, tx
So, ball joints and stabilizer from the death wobble posts..
Sam
FTE Leadership Emeritus
Joined: Sep 2000
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From: Stephensville WI
If I lower my tires to 50 PSI my truck would wobble all over the place.
Super Moderator
Joined: Aug 2008
Posts: 37,375
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From: Frederick, MD
I would be doing what others are saying too. check those tires and shocks,ball joints first. TP Pressure.
Then you might look at your steering stabilizer as a possible remedy to the wobble, but I would be checking other items first.
Then you might look at your steering stabilizer as a possible remedy to the wobble, but I would be checking other items first.
