Shake at 75-80 mph - Ford Powerstroke Diesel Forum
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post #1 of 9 Old 10-08-2013, 07:18 PM Thread Starter
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Shake at 75-80 mph

Anyone else have a shake at 75-80 mph on the frwy? I just got my drive shaft greased today and tires were ballanced recently, what else could it be?

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post #2 of 9 Old 10-08-2013, 07:26 PM
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What shape are the rear u-joints in? My u-joint on the driveshaft that connects to the rear axle was shot, which gave me a vibration. Did you try rotating the tires? Does the shake come from the front of the truck? There are many variables when it comes to vibrations on a truck. If possible, can you give more specifics about your truck? Is it lifted, miles, other recent maintenance that might have been done?

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post #3 of 9 Old 10-08-2013, 08:50 PM Thread Starter
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Quote:
Originally Posted by jse51599 View Post
What shape are the rear u-joints in? My u-joint on the driveshaft that connects to the rear axle was shot, which gave me a vibration. Did you try rotating the tires? Does the shake come from the front of the truck? There are many variables when it comes to vibrations on a truck. If possible, can you give more specifics about your truck? Is it lifted, miles, other recent maintenance that might have been done?
u joints are good checked today, leveling shackles on the front whole dash shakes cant tell exactly where its coming from

yes i had the tires rotated probably 3000 miles ago now and shake was there then, these tires have about 7,000 miles on them now, and the shake developed shortly after the new tires. I had them rotated and balanced 4000 miles later and still the shake, it wouldn't be an issue but i live up in utah now and the speed limits are 80mph so I'm going a lot faster then i was when i lived in California.

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post #4 of 9 Old 10-12-2013, 06:25 PM
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I have 2 bent stock rims that cause a shake 60-65 MPH

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post #5 of 9 Old 10-12-2013, 10:23 PM
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im having this issue but im assuming its the u-joints. opened the diff and shes good, brand new rims and tires and it did it with the stockers and the new set. but mine is coming from the rear. tire rotation didnt change anything either.
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post #6 of 9 Old 10-19-2013, 06:53 PM
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Ever figure it out?


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post #7 of 9 Old 10-23-2013, 08:05 AM Thread Starter
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Yes just Monday I was able to bring it to the shop, think the main culprit was the left front tierod, but the tires were also a little out of balance and so was alignment. Now it feels much better, not like a Cadillac, but like an old ford with 33' tires should at 80

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post #8 of 9 Old 10-23-2013, 08:41 AM
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ageekwajeep,
Tyre Issue since they were New, I'd check the tyres themselves
it is not uncommon to have a Bad brand new tyre.
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post #9 of 9 Old 10-23-2013, 02:13 PM Thread Starter
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Quote:
Originally Posted by dpkdiesel View Post
ageekwajeep,
Tyre Issue since they were New, I'd check the tyres themselves
it is not uncommon to have a Bad brand new tyre.
like is said in the post before, problem solved

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