Vibration In Coast
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Junior User
Joined: Dec 2000
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From: Lakewood, CO
Vibration In Coast
Update:
The U-joints are very tight.
The slip spline is almost all the way out. Maybe the bigger tires have caused the driveshaft to extend further than it would if it was stock. So the splines do not have a large surface area to mesh. If I grab each part, I can rotate it about 1/16" or so. I can also move the assemblies up and down in relation to eachother slightly. I think this might be my problem. It makes sense too because in coast, there's no load on the driveshaft, so each piece would be able to move more freely in relation to eachother. Now it's time to decide if it's worth thowing money at, or if I can live with the vibration.
Thanks for the input.
The U-joints are very tight.
The slip spline is almost all the way out. Maybe the bigger tires have caused the driveshaft to extend further than it would if it was stock. So the splines do not have a large surface area to mesh. If I grab each part, I can rotate it about 1/16" or so. I can also move the assemblies up and down in relation to eachother slightly. I think this might be my problem. It makes sense too because in coast, there's no load on the driveshaft, so each piece would be able to move more freely in relation to eachother. Now it's time to decide if it's worth thowing money at, or if I can live with the vibration.
Thanks for the input.
Moderator
Joined: Jan 2001
Posts: 56,984
Likes: 2,738
From: Virginia
Vibration In Coast
You need to correct this somehow. It's only going to get worse.
When you need it the most, as when you are stuck, it's going to
give out on you. This happened to me during a big snow we had.
Also I have heard of people running them like this and all of a
sudden the driveshaft is beating your floorboards up, or worse
you are pole-vaulted over in the ditch. Fix it please.
When you need it the most, as when you are stuck, it's going to
give out on you. This happened to me during a big snow we had.
Also I have heard of people running them like this and all of a
sudden the driveshaft is beating your floorboards up, or worse
you are pole-vaulted over in the ditch. Fix it please.
Freshman User
Joined: Feb 2001
Posts: 30
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Vibration In Coast
You will need to have a longer drive shaft built for you truck. The larger tires will not cause the driveshaft to extend. The only thing that would cause that would be a lift. You will need to take your truck to someone who builds driveshafts and have them build you one. Or you can take it out your self and measure the distance from the distance between your transfer case yoke and your rear pinion yoke and take that measurement to the drive shaft builder.
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