Drive line replacement
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New User
Joined: Jul 2009
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Drive line replacement
Hi
I have a 1999 F150 that im replacing the U-Joints. I was removing the U-joint from the end that slided into the transfer case, there is a ring almost like a weight that i broke while removing the U-Joint.this ring had a rubber seal so it seems like it is for balancing. My question is does this need to go back on? Can I buy only this ring?
Thanks
I have a 1999 F150 that im replacing the U-Joints. I was removing the U-joint from the end that slided into the transfer case, there is a ring almost like a weight that i broke while removing the U-Joint.this ring had a rubber seal so it seems like it is for balancing. My question is does this need to go back on? Can I buy only this ring?
Thanks
Elder User
Joined: Nov 2007
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From: Michigan
Was this driveshaft going to the rear axle or front axle?
If it is a weight used to balanced the driveshaft going to the rear axle then it should be taken somewhere and rebalanced.
That is of course if this thing you speak of is a weight for balancing
If it is a weight used to balanced the driveshaft going to the rear axle then it should be taken somewhere and rebalanced.
That is of course if this thing you speak of is a weight for balancing
Tuned
Joined: Feb 2009
Posts: 295
Likes: 9
From: New Lisbon NJ USA
What you are describing sounds like a torsional or vibration damper, a harmonic balancer for the driveshaft/universal joint to reduce torsional or harmonic vibration. You can try running the truck without it and it may be alright but you probably should replace it if you feel or hear unusual vibration or sounds. The vibration or sounds may only occur at specific speeds or they may be constant.
Val
Val
Tuned
Joined: Feb 2009
Posts: 295
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From: New Lisbon NJ USA
If you do an internet search you will find articles and advertisements for the slip yoke harmonic balancer, Basically it is a harmonic balancer like on the front of your engine but is place on the slip yoke of your transfer case or transmission to absorb a vibration/resonance of a certain frequency of your transmission/transfer case, As I indicater in my previous post you can try running the vehicle without it but you may wind up replacing it, I do not think you can easilly put the metal outer ring back on and you will probably wind up having to replace the whole slip yoke.
Val
Val
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Thanks for the replies. I did called a few drive line shops in the area, they said the same thing that it’s for vibration and noise. They actually said to throw it away but did say to watch for vibration. I also asked if I should bring in the drive shaft (Rear shaft) for balancing, they said it’s probably ok and to re-install it, if I have vibration to then bring it in. I will try it.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com
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Tuned
Joined: Feb 2009
Posts: 295
Likes: 9
From: New Lisbon NJ USA
If the balancer is on the slip yoke then I would not worry about having the driveshaft balanced if you get vibration, The damper on the slip yoke is to absorb a set frequency or resonance that is produced by the transfer case and not the driveshaft, If the damper is on the end of the driveshaft where it bolts to the pinion yoke of the rear then I might worry about having the driveshaft balanced, But the harmonic balancer/Torsional damper is not really for out of balance it is designed to absorb harmonic vibrations or frequencies.
Val
Val
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