Vibration between 40-45 mph
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Vibration between 40-45 mph
I own a 2005 F350 V10 long bed manual transmission with 4.30 gears. I am having a vibration between 40-45 mph and 70-75 mph. This has been a problem for about two months and the dealership has no clue. It all started when I put a new tire and wheel on. It has been there ever since. They have tried to put new tires and wheels on and taken apart the driveshaft. I am taking it in at the end of the week to get the rear differential looked at. Can anyone else help me out? Picked up the truck on April 15th and it drove like a Caddy. I feel everything now. The service rep told me to put 200 pounds of sand in the bed and it would be fine. I told him what was on my mind after that. Please help if you can.
GO NUMBER SIX CAR!
GO NUMBER SIX CAR!
Post Fiend
Joined: Jan 2002
Posts: 5,859
Likes: 7
From: USA
welcome to fte!
Well,why did you put a new tire and wheel on? Did you hit something? get a flat?
If so look in that area for bent axles,misaligned axle housings etc....
Chk that the front hubs are released or not binding !
Rich
Well,why did you put a new tire and wheel on? Did you hit something? get a flat?
If so look in that area for bent axles,misaligned axle housings etc....
Chk that the front hubs are released or not binding !
Rich
Posting Guru
Joined: Nov 2002
Posts: 2,440
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From: Ventura County, CA
Could also be something as simple as tire balance. Did the new tire get a high-speed tire balance? And even if it did, was it done correctly?
Just a thought so we don't overlook simple solutions, too.
Best,
DS
Just a thought so we don't overlook simple solutions, too.
Best,
DS
Mountain Pass
Joined: Jul 2005
Posts: 159
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On one of my old F250's, I got a new tire after a flat. After 3 dealers, went to local tire shop and stood at the tire balancer with the guy. Turned out the rim got bent slightly during the flat, and apparently no one else looked at the tire while it was spinning. It was blatantly obvious to me. Got a new rim, problem went away. It was very frustrating, took a lot of my time, and like you, it had a couple speeds that it shook at and it drove me nuts until I found it. They were also cheap tires that did not like staying in balance, but that was a different issue.
Post Fiend
Joined: Jun 2003
Posts: 5,643
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From: NE Texas
I know I sound like a broken record - but - you can balance a tire until you're blue in the face, but that won't eliminate out-of-round.
You can balance a football, but you can't make it round.
Oh, and welcome to FTE, Techhokie
You can balance a football, but you can't make it round.
Oh, and welcome to FTE, Techhokie
Mountain Pass
Joined: Jul 2005
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That's a fact, and the dealer will keep telling you it's balanced, but it will drive you nuts. Maybe try putting your spare in place of that new tire and see if it goes away? Just a thought.
FYI that fix of mine above took over 10,000 miles, 2 Ford dealers and a Winston Tire dealer, and I hated driving the truck, about wanted to sell it until I got it fixed.
On my current tires, 305/70R16 Nitto Terra Grapplers, when I got all 4 new, truck started an odd ball shake. They'd rebalance, rotate, you name it, the shake would move from front to back, get better, get worse, but never go away. 5000 miles later they finally decided 2 of the 4 were 'bad' and would not hold balance (probably out of round). Got 2 free replacements, has not had a shake since. I forgot all about this one until this post.
FYI that fix of mine above took over 10,000 miles, 2 Ford dealers and a Winston Tire dealer, and I hated driving the truck, about wanted to sell it until I got it fixed.
On my current tires, 305/70R16 Nitto Terra Grapplers, when I got all 4 new, truck started an odd ball shake. They'd rebalance, rotate, you name it, the shake would move from front to back, get better, get worse, but never go away. 5000 miles later they finally decided 2 of the 4 were 'bad' and would not hold balance (probably out of round). Got 2 free replacements, has not had a shake since. I forgot all about this one until this post.
Cross-Country
Joined: Jun 2005
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I had the exact problems with my 285 75 16s and finally got to a good tire shop that had a computer balancer from Hunter called road force. They were able to index the the tires and wheels and remount them, then balance all 4. Every wheel has a heavy spot as does every tire, it gets worse the larger they are. The balancer will give the information to the tech who is able to mark the tire and wheel at the heavy spots and set them at 180 degrees from eachother. The balancing requires far less weights at this point and the ride is like a cadillac. The balancer also gives a rating of the tires surface of 1 to 25 that will let you know if the tire is bad or has soft spots in the wall. It does by an arm with a roller that immitates the road surface. I think you can see a demonstration on the Hunter website. http://www.hunter.com/pub/company/ne.../prGSP9700.htm
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Mountain Pass
Joined: Jul 2005
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that's what they called what they did at America's Tire when they figured out my 2 Nitto's were bad, "Road Force". He said they usually use that on high performance/high speed tires only, not truck tires (like for prosche's, etc) <<THEY class=inlineimg title=Wink alt=\"\" border=\"0\" src="https://www.ford-trucks.com/forums/images/smilies/wink.gif" 
. When they 'road forced' them, they found out they could not get the rim/tire to balance, no matter how much they spun the tire on the rim. Good call. One of those things you have to ask for, they never offered it up until the 3rd or 4th time in for 'shaking tires' at various speeds. (I need to write this stuff down for the next time it happens to me LOL).
. When they 'road forced' them, they found out they could not get the rim/tire to balance, no matter how much they spun the tire on the rim. Good call. One of those things you have to ask for, they never offered it up until the 3rd or 4th time in for 'shaking tires' at various speeds. (I need to write this stuff down for the next time it happens to me LOL).
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Postmaster
Joined: Jan 2005
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From: Phenix City, AL
I had the same problem on mine when I put the MTR's on it and it was at about the same speeds, except it was constant from 45+.
Find a shop that can true your tires, as well as balance. I had mine done several times and eventually had to get them refunded for a defect. They had so much road force variance, that they would never hold a balance.
Save yourself the headache and save all balance receipts that you have. That is the only way you will get all your money back if the tires are truely that out of whack.
Find a shop that can true your tires, as well as balance. I had mine done several times and eventually had to get them refunded for a defect. They had so much road force variance, that they would never hold a balance.
Save yourself the headache and save all balance receipts that you have. That is the only way you will get all your money back if the tires are truely that out of whack.
Mountain Pass
Joined: Jul 2005
Posts: 159
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I seem to have missed this part, did they already replace all 4 tires AND wheels, and it still shakes? (or just the one that was replaced?). What about shocks (just a thought)? Also, how many miles on the truck?
Been a while since I had a manual, but what besides the flywheel is balanced in there?
Mark is The Man! (note #6 on rear window on my truck)
Been a while since I had a manual, but what besides the flywheel is balanced in there?
Mark is The Man! (note #6 on rear window on my truck)
Originally Posted by Techhokie
I own a 2005 F350 V10 long bed manual transmission with 4.30 gears. I am having a vibration between 40-45 mph and 70-75 mph. This has been a problem for about two months and the dealership has no clue. It all started when I put a new tire and wheel on. It has been there ever since. They have tried to put new tires and wheels on and taken apart the driveshaft. I am taking it in at the end of the week to get the rear differential looked at. Can anyone else help me out? Picked up the truck on April 15th and it drove like a Caddy. I feel everything now. The service rep told me to put 200 pounds of sand in the bed and it would be fine. I told him what was on my mind after that. Please help if you can.
GO NUMBER SIX CAR!
GO NUMBER SIX CAR!
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New User
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Just wanted to say thanks for everyone for the advice and help. I drove about 35 miles to take her to a new dealer. Very professional there and I hope to find something out. I havd a timeline of all the problems that took up almost two pages, not really a good thing for owning her for four months. I will post what is wrong with her as soon as I find out.
Fleet Mechanic
Joined: Jul 2005
Posts: 1,800
Likes: 52
From: Southern Colorado
43 mph wobble up and down
My '99 V10 crew/shortie (just bought it) had a 43 mph wobble that felt like both front wheels were oval. It had a hideous set of 16.5x10 Centerline wheels and 33x12.50x16.5 tires on it. I ditched the rims and bolted on a set of 2002 Ford steel rims with 265-75-16 tires and this 'oval rim' feeling is totally gone. The truck is quieter, steers better, rides better, etc.
These gangland aftermarket rims were on the truck when I bought it, and were the first thing on my 'ditch it' list. The rims and tires stuck out and threw gravel at the fenders and chipped the paint, as if the bad ride, 43 mph wobble, and handling weren't enough.
So,
Steve
These gangland aftermarket rims were on the truck when I bought it, and were the first thing on my 'ditch it' list. The rims and tires stuck out and threw gravel at the fenders and chipped the paint, as if the bad ride, 43 mph wobble, and handling weren't enough.
So,
Steve
Mountain Pass
Joined: Jul 2005
Posts: 159
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the bigger the tire the harder it is to balance. it's amazing how many people have this problem and don't realize it. ridden with many friends and their trucks shake like a vibrating bed and they have no clue. i ask them why they don't get their tires balanced, usual response is "i thought that's how it rode due to lift and big tires". duh - no. rough ride and wobble/shake are very different things. my F250 is stiff as a board and that's life, but shakes drive me insane.
