Vibration in drive train problem solved
Registered User
Joined: Oct 2008
Posts: 526
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From: Alabama
same vibration here at 65-70 after adding lift up front and it was the front drive shaft.....you can remove it and vibration will go away....i went with some adjustable control arms up front because i had about a 3 1/2" lift. it's the only way to get the correct angle back on the axle after raising it up front. if you don't you'll just keep wearing out u-joints........
Registered User
Joined: Oct 2008
Posts: 526
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From: Alabama
New shocks fixed admin's issues. It's something cheap to try that doesn't involve a ton of labor and the timing seems right plus it's something I NEVER would have thought of. Too bad dealer parts is closed today.
One guy said they replaced the whole axle and it didn't fix it. By process of elimination I'm fairly certain it's not related to the axle or drive shaft. This only leaves suspension and controls. I'm running out of cheap things to replace. A couple things I noticed, like the OP said, the vibe is worst at 65 mph, it gets worse when the front suspension compresses and it also goes away when I turn slightly to the passenger side. Maybe the track bar? So if the shocks don't fix it, I'll try a new track bar, then drag link and tie rod. If that doesn't do it, I'll have to sell it because I'm tired of throwing money and time at it.
One guy said they replaced the whole axle and it didn't fix it. By process of elimination I'm fairly certain it's not related to the axle or drive shaft. This only leaves suspension and controls. I'm running out of cheap things to replace. A couple things I noticed, like the OP said, the vibe is worst at 65 mph, it gets worse when the front suspension compresses and it also goes away when I turn slightly to the passenger side. Maybe the track bar? So if the shocks don't fix it, I'll try a new track bar, then drag link and tie rod. If that doesn't do it, I'll have to sell it because I'm tired of throwing money and time at it.
Registered User
Joined: Jul 2005
Posts: 378
Likes: 1
From: Denver, CO
My truck doesn't have a carrier bearing and does it regardless of being loaded or not. The vibe on my truck goes away when I veer right and gets worse when the suspension compresses.
Registered User
Joined: Jul 2005
Posts: 378
Likes: 1
From: Denver, CO
It was the drivers side unit bearing. I replaced it with the one I pulled off the passenger side. So lesson learned, the problem isn't always where it sounds like it is. Good news is my truck has a bunch of new parts.
EDIT: I should mention the noise was the only symptom. There was no unusual movement in the bearing, it was tight.
EDIT: I should mention the noise was the only symptom. There was no unusual movement in the bearing, it was tight.
Registered User
Joined: May 2006
Posts: 5,613
Likes: 166
From: Pacific NW, B'ham, Kalispell MT
My Dad's 94 did this for about 4 years til his hicktown mechanic jacked it up and checked the tires for roundness. Ended up being two of his factory steel rims were better than a 1/4" out of round.
Dealer took them for inspection while reviewing his claim and "lost" them. They eventually replaced both wheels with same after a convincing letter from his attorney.
Not saying its your problem but vibration stopped with aftermarket wheels.
Dealer took them for inspection while reviewing his claim and "lost" them. They eventually replaced both wheels with same after a convincing letter from his attorney.
Not saying its your problem but vibration stopped with aftermarket wheels.
Registered User
Joined: Feb 2008
Posts: 493
Likes: 1
From: Va. and n.j.
well once i get the new T steering installed thats sitting here i will probly do the bearing and ball joints with a camber adjuster on the pass side, when i look at the truck from the front the top of that tire leans in hard and is wearing the new tire alot, funny thing is it went to 2 different computer alignment shops and both gave printouts showing in spec. I used to do alignments and i know somthing just isn't right
Registered User
Joined: Jan 2005
Posts: 3,899
Likes: 3
From: Yuba city Kalifornia
My Dad's 94 did this for about 4 years til his hicktown mechanic jacked it up and checked the tires for roundness. Ended up being two of his factory steel rims were better than a 1/4" out of round.
Dealer took them for inspection while reviewing his claim and "lost" them. They eventually replaced both wheels with same after a convincing letter from his attorney.
Not saying its your problem but vibration stopped with aftermarket wheels.
Dealer took them for inspection while reviewing his claim and "lost" them. They eventually replaced both wheels with same after a convincing letter from his attorney.
Not saying its your problem but vibration stopped with aftermarket wheels.
Registered User
Joined: Dec 2003
Posts: 114
Likes: 0
From: Stonewall Manitoba Canada
I don't understand how everyone is saying the front drive shaft is the problem???/ If your not in 4 wheel drive then the shaft is not engaged. How can a 70 mph vibration coming from the back of the truck be caused by a front drive shaft that isn't engaged.
Registered User
Joined: Oct 2012
Posts: 16
Likes: 0
From: Northern California
Just went and looked, I didn't post here but have the exact problem.,when the front driveline is removed the vibrations is gone, all new u joints front and rear, front and back driveline balanced twice, new shocks, wheels and tires and nothin changed but the speed that it occurs on the up side all the above needed attention.
I am am presently in Cheyenne, Wy towed a small Uhaul. I had periods of no vibration to the above vibration being there and there were times where I had a pulsing vibration, I have come to the conclusion that these vibrations are road related and probably won't ever cure it.
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