Excessive shaking on highway
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Excessive shaking on highway
Ok, my 2006 F250 super duty 4x4 long bed is a work truck, I know that, and I know the ride is not that of a luxury car and that it is a stiff suspension that rides smoother when loaded. With all of that out of the way.....when going 65-70 mph on the highway when hitting a patch of concrete (like where a bridge is and the asphalt changes to concrete with the expansion spacers between the different mediums) unloaded, the truck starts shaking violently, it sometimes will be only a few seconds, but today it happened and didn't stop until I came to a complete stop on the shoulder. This truck only has 14000 miles on it, anyone have a similar experience with this model and year?
Thanks,
Jackie
Thanks,
Jackie
Last edited by JacquieMz; Jul 20, 2006 at 04:07 PM.
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Hi Jackie, welcome to FTE!
Everyone with a longbed Superduty experiences this on the awful concrete highways with their expansion joints. It's not a problem really, it's just the type of road mixing with the length and stiff shocks of the trucks... seem to be a perfect match to get them to bounce along those expansion joints sort of like a dolphin.
On the highways around here, I've memorized where the concrete parts stop and start.
It's actually been discussed quite a bit here at FTE, and if you do a search you may find some past threads that have lots of folks discussing it. But you'll notice that when you get to the asphalt portions, the ride will be nice and normal. Some folks have switched to aftermarket shocks and had some slight luck, and also it seems that going a bit faster helps, such as 75 vs 65 mph, but really there's not much you can do about it.
edit - haha, that's what I get for leaving the Reply window up and coming back a half hour later to post... glad you found some past discussion on it.
Everyone with a longbed Superduty experiences this on the awful concrete highways with their expansion joints. It's not a problem really, it's just the type of road mixing with the length and stiff shocks of the trucks... seem to be a perfect match to get them to bounce along those expansion joints sort of like a dolphin.
On the highways around here, I've memorized where the concrete parts stop and start.
It's actually been discussed quite a bit here at FTE, and if you do a search you may find some past threads that have lots of folks discussing it. But you'll notice that when you get to the asphalt portions, the ride will be nice and normal. Some folks have switched to aftermarket shocks and had some slight luck, and also it seems that going a bit faster helps, such as 75 vs 65 mph, but really there's not much you can do about it.edit - haha, that's what I get for leaving the Reply window up and coming back a half hour later to post... glad you found some past discussion on it.
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I have been fighting the same problem since 1/06. I have a '06 F250 superduty 4X4 with short bed and experience the same thing. I work out of my truck everyday and drive rough roads, such as gravel roads, lease roads, pipeline right-ofways along with on the highway. Were is the tread to this issue?? I have changed tires, added two additional rear leafs as I do carry a Highway Tool Box along with a bed rat pack tool box, re-balanced tires five times and still looking for the right combination to a softer ride.
RR
RR
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[QUOTE=ryaneverk2]Everyone with a longbed Superduty experiences this on the awful concrete highways with their expansion joints. It's not a problem really, it's just the type of road mixing with the length and stiff shocks of the trucks... seem to be a perfect match to get them to bounce along those expansion joints sort of like a dolphin.
QUOTE]
This is not the description I would give this problem. I have experienced the "dolphin" like ride you mention, this is not it, unless you have had this happen, I don't think you can appreciate the serverity of it and the lack of control the truck has at high speeds when it happens. It feels like the front end and the back end are rocking at opposite directions extremly fast, the steering wheel is shaking and your arms are shaking to the bone, you get weird looks from people in cars around you,, because the truck must look like it is ripping itself apart with the twisting and shaking.
Jackie
QUOTE]
This is not the description I would give this problem. I have experienced the "dolphin" like ride you mention, this is not it, unless you have had this happen, I don't think you can appreciate the serverity of it and the lack of control the truck has at high speeds when it happens. It feels like the front end and the back end are rocking at opposite directions extremly fast, the steering wheel is shaking and your arms are shaking to the bone, you get weird looks from people in cars around you,, because the truck must look like it is ripping itself apart with the twisting and shaking.
Jackie
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Joined: Mar 2005
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From: Burnsville, MN
Right concept, wrong critter! A dolphin and a porpoise are about the same I guess, but its called "porpoising".
And your description of the death wobble is amazingly like what others have posted. I thought Ford had prescribed some camber changes to reduce the severity of the problem, but most people ultimately believe there's a design problem. In fact, I just might have heard that the '08's are going back to dual I beams?
And your description of the death wobble is amazingly like what others have posted. I thought Ford had prescribed some camber changes to reduce the severity of the problem, but most people ultimately believe there's a design problem. In fact, I just might have heard that the '08's are going back to dual I beams?
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From: USA
This a trait of front coil sprung trucks it has been going on for awhile!
Its a combination of springs, shocks,caster/camber and tire pressure,plus the model of truck !
At this time there is no complete fix that eliminates it
If you read that whole thread about it you will see.
Please bring the other thread to the top of the forum and not have a dual thread going.If this subject is going to continue.
Its a combination of springs, shocks,caster/camber and tire pressure,plus the model of truck !
At this time there is no complete fix that eliminates it
If you read that whole thread about it you will see.
Please bring the other thread to the top of the forum and not have a dual thread going.If this subject is going to continue.
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