Drive Line Vibration
Senior User
Joined: Feb 2010
Posts: 226
Likes: 1
From: TX
Not sure who, been many years since I had my 4x4.
Look up Skyjacker or SuperLift or Rancho or any of the names.
Better yet, if you take it to a shop that specializes in 4x4s, let them
worry about what parts you need.
If you are not sure on what you need, you will probably not order the
right part.
Let the shop do the foot work and help you.
Look up Skyjacker or SuperLift or Rancho or any of the names.Better yet, if you take it to a shop that specializes in 4x4s, let them
worry about what parts you need.
If you are not sure on what you need, you will probably not order the
right part.
Let the shop do the foot work and help you.
Thread Starter
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Junior User
Joined: Nov 2009
Posts: 81
Likes: 0
From: Akron
To be honest I would love to, unfortunately college enjoys the pleasure of sucking down any extra cash I would normally but in the the truck. I have no problem doing the labor, I just need to know what to labor on if you know what I mean ha ha. Thanks for the input though. I think I will at a minimum take the truck in and have them give me an assessment and what they think needs to be done and what parts are needed. I think the axle shims should work.
Lead Driver
Joined: Aug 2004
Posts: 5,326
Likes: 18
From: Gilbert
Axle shims? Where are you going to shim the axle at? Are you wanting to rotate it to lessen the driveline angle? Again, I have the same lift/truck you do and didn't have to do any of that.
I bought a carrier bearing shim from Rubicon Express. They carry mostly Jeep parts but do make lifts for the SD's. You may have to call them to order it, didn't see it available online. It's just a bracket that's shaped like this " [ ". Bolt it between the carrier bearing and the truck, drops the rear driveline a couple inches or so.
I bought a carrier bearing shim from Rubicon Express. They carry mostly Jeep parts but do make lifts for the SD's. You may have to call them to order it, didn't see it available online. It's just a bracket that's shaped like this " [ ". Bolt it between the carrier bearing and the truck, drops the rear driveline a couple inches or so.
Thread Starter
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Junior User
Joined: Nov 2009
Posts: 81
Likes: 0
From: Akron
Yeah. I think that basic idea is to rotate the axle a few degrees to aim the yoke better. To eliminate the bad drive line angle. Hmm I wonder why I seem to have this problem then... I wish I had your truck that doesn't have the problem.
Also silverbullet, what did you do for brake lines at the wheel since you have the same truck as me?
Also silverbullet, what did you do for brake lines at the wheel since you have the same truck as me?
Lead Driver
Joined: Aug 2004
Posts: 5,326
Likes: 18
From: Gilbert
Yeah. I think that basic idea is to rotate the axle a few degrees to aim the yoke better. To eliminate the bad drive line angle. Hmm I wonder why I seem to have this problem then... I wish I had your truck that doesn't have the problem.
Also silverbullet, what did you do for brake lines at the wheel since you have the same truck as me?
Also silverbullet, what did you do for brake lines at the wheel since you have the same truck as me?
42 degree C/V for more angle as well as our longer slip joint allowing
compression that is needed in most.
I don't think the angle is your issue... Maybe give them a call and explain what's going on, they may be able to point you in the right direction.
Anyways, I didn't change the brake lines, but disconnected them from the frame, and zip tied the lines to the shock so they weren't free to get wrapped up in the tire tread.
Senior User
Joined: Feb 2010
Posts: 226
Likes: 1
From: TX
2000silverbullet...
Carrier bearing shim is not going to help this.
He said his problem is in the front setup only in 4x4.
Though you brought up a good point about the yoke.
I would be very leery about any funky type ujoints though,
they might not be strong enough to take the abuse.
Carrier bearing shim is not going to help this.
He said his problem is in the front setup only in 4x4.
Though you brought up a good point about the yoke.
I would be very leery about any funky type ujoints though,
they might not be strong enough to take the abuse.
Lead Driver
Joined: Aug 2004
Posts: 5,326
Likes: 18
From: Gilbert
2000silverbullet...
Carrier bearing shim is not going to help this.
He said his problem is in the front setup only in 4x4.
Though you brought up a good point about the yoke.
I would be very leery about any funky type ujoints though,
they might not be strong enough to take the abuse.
Carrier bearing shim is not going to help this.
He said his problem is in the front setup only in 4x4.
Though you brought up a good point about the yoke.
I would be very leery about any funky type ujoints though,
they might not be strong enough to take the abuse.
My truck has had the same lift the OP has and I don't experience any of these symptoms. I've wheeled my truck to the point of being amazed nothing ever broke (knocking on wood), high rpm's on snow/ice/mud/sand in 4 low/high...
I just think he's on a wild goose chase with the angle issue...
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Thread Starter
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Junior User
Joined: Nov 2009
Posts: 81
Likes: 0
From: Akron
I just picked up that shim kit from four wheel parts. (only 40 bucks too!!! Win!). He said thats what everyone does to eliminate driveline vibration for both the front and the back. It even says in the instructions that adding shims will eliminate high speed vibrations. I will install it sometime this week. I will let ya'll know.
Senior User
Joined: Feb 2010
Posts: 226
Likes: 1
From: TX
Lowering the carrier bearing on the rear driveshaft with a
shim kit is better than doing the shims on the axle pads IMHO.
It solves the excessive angle problem and does not cause
problems with checking the fluid level in the rear.
I dont think that you have any other options for correcting
the angle on the front.
This is what I had to do on the one that I owned back in 99.
shim kit is better than doing the shims on the axle pads IMHO.
It solves the excessive angle problem and does not cause
problems with checking the fluid level in the rear.
I dont think that you have any other options for correcting
the angle on the front.
This is what I had to do on the one that I owned back in 99.
Thread Starter
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Junior User
Joined: Nov 2009
Posts: 81
Likes: 0
From: Akron
I really appreciate ya'lls input. I am going to try the carrier shims since they were cheapest and readily available. If that doest work I am up to trying whatever other ideas were posted. I also got a new pinion seal so we shall see if this all will solve the problem. Again thank you all for the help, this truck is an awesome learning experience! FTE has been a valuable resource as well (even if it makes me feel like a moron at times ha ha).
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