Vibration
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Laughing Gas
Joined: Feb 2011
Posts: 1,147
Likes: 6
From: Vine Grove KY
Vibration
Noooo not that kind of vibration....get your head out of the gutter ya'll. 
Anyways, I took the truck up to Hibdon's to get a wheel that was out of balance fixed. They said they had to "spin" the tire on the rim to get it to balance out. Okay, so I thought that'll do the trick. I get back on the road and the vibration seems to be better. Now after driving it for two days to work it seems to be vibrating again.
Should I take the truck back up to them and have them re-check the balance? Also, the symptoms of this started after I swapped my axle out recently. You guys should remember that. Anyways, could I have a rear drum out of balance?
The vibration is bad enough that it stresses me out a little bit. Could I have a bad shock? The rear shocks seemed just fine when I swapped the axle out. THis is driving me nuts. I want my truck to run smooth down the road.
Anyways, I took the truck up to Hibdon's to get a wheel that was out of balance fixed. They said they had to "spin" the tire on the rim to get it to balance out. Okay, so I thought that'll do the trick. I get back on the road and the vibration seems to be better. Now after driving it for two days to work it seems to be vibrating again. Should I take the truck back up to them and have them re-check the balance? Also, the symptoms of this started after I swapped my axle out recently. You guys should remember that. Anyways, could I have a rear drum out of balance?
The vibration is bad enough that it stresses me out a little bit. Could I have a bad shock? The rear shocks seemed just fine when I swapped the axle out. THis is driving me nuts. I want my truck to run smooth down the road.
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
Yes, take it back for sure. But, can you describe the conditions in which it vibrates? Power on? Cruising? Just easing off on the power? Coast, meaning full off? These give us hints on what the problem is.
However, go see if you did what I did recently - didn't get a u-joint fully seated in the pinion yoke. Make sure the caps are down in all the way. That caused a small vibration.
However, go see if you did what I did recently - didn't get a u-joint fully seated in the pinion yoke. Make sure the caps are down in all the way. That caused a small vibration.
Thread Starter
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Laughing Gas
Joined: Feb 2011
Posts: 1,147
Likes: 6
From: Vine Grove KY
Yes, take it back for sure. But, can you describe the conditions in which it vibrates? Power on? Cruising? Just easing off on the power? Coast, meaning full off? These give us hints on what the problem is.
However, go see if you did what I did recently - didn't get a u-joint fully seated in the pinion yoke. Make sure the caps are down in all the way. That caused a small vibration.
However, go see if you did what I did recently - didn't get a u-joint fully seated in the pinion yoke. Make sure the caps are down in all the way. That caused a small vibration.
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
I'm in KS seeing Dad. But, if it is just the cups not seated in the yoke you can seat them and be good to go. No damage done. And, not getting them seated will give a vibe like that - sensitive to RPM.
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Laughing Gas
Joined: Feb 2011
Posts: 1,147
Likes: 6
From: Vine Grove KY
How can the cups NOT seat in the yoke? The cups only go into the yoke one way. You just sit them in the yoke and bolt down the u-bolts. Are you saying the cups have wiggle room on the yoke?
Laughing Gas
Joined: Nov 2011
Posts: 1,033
Likes: 11
From: Wausau, WI
Are you sure you didn't get a slightly bent axle? All it takes is .020-.030" to get a vibration. If you know somebody with a lathe and a dial indicator, they should be able to check it.
I went through that on a car I used to have, thinking it was a tire and it turned out to be an axle.
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FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
If the cup gets caught on the edge of the lip it won't go all the way down. And I did it recently.
And, as you know, I have a lathe and a dial indicator, but the axles have to come out to do that.
And, as you know, I have a lathe and a dial indicator, but the axles have to come out to do that.
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Laughing Gas
Joined: Feb 2011
Posts: 1,147
Likes: 6
From: Vine Grove KY
I still have my old rear. If I have a bent axle I can use one from the other axle. Can I swap axles out without swapping the inner race? Or do the races have to go with each other?
FTE Legend
Joined: Jul 2010
Posts: 32,875
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From: Northeast, OK
Don't know what is recommended, but I have done it successfully.
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
Put that side, only, on a jack stand and you shouldn't lose any lube. Just make sure both axles have the same kind of bearings. Might answer the question fairly easily.
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