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cv shaft and shackle flip, still vibrates. [Final say]
- Thread starter metalneverdies
- Start date
checked drive shaft play
OK guys, I checked the play in the drive shaft with the rear in the air and the trans in neutral. I could not get the shaft wiggle and click going side to side. However, the shaft did click / wiggle just a bit when i grabbed the flange and moved it up and down. When I grabbed the CV and did the same thing it moved a bit more and when I grabbed the shaft behind the CV it moved just a bit more than before. It doesn't seem to slop around like crazy, but then again I am unsure how much movement is considered excessive or bad.
The pinion end is rock solid and I cant move it at all. I am going down the the trans shop tomorrow to have the guy who build my shaft see it in the truck, then he said he would re balance it. If nothing comes of that, I am going to open up the diff.
How much play is considered excessive or that the bushing is worn on the NP 208?
Thanks again for all you guidance guys.
OK guys, I checked the play in the drive shaft with the rear in the air and the trans in neutral. I could not get the shaft wiggle and click going side to side. However, the shaft did click / wiggle just a bit when i grabbed the flange and moved it up and down. When I grabbed the CV and did the same thing it moved a bit more and when I grabbed the shaft behind the CV it moved just a bit more than before. It doesn't seem to slop around like crazy, but then again I am unsure how much movement is considered excessive or bad.
The pinion end is rock solid and I cant move it at all. I am going down the the trans shop tomorrow to have the guy who build my shaft see it in the truck, then he said he would re balance it. If nothing comes of that, I am going to open up the diff.
How much play is considered excessive or that the bushing is worn on the NP 208?
Thanks again for all you guidance guys.
I'll just add from my experience and skimming through your thread......so forgive me if someone has already suggested it.
My factory shaft had new u-joints installed. 6 months later, vibration again. Upon review, it appeared that my driveshaft end of the yoke had every so slightly elongated just a bit. This allowed the u-joint to move around just a tad.....creating the vibration. Something new u-joints can't fix. I ended up getting a new driveshaft a week ago and it's much better now.
Just fyi....
My factory shaft had new u-joints installed. 6 months later, vibration again. Upon review, it appeared that my driveshaft end of the yoke had every so slightly elongated just a bit. This allowed the u-joint to move around just a tad.....creating the vibration. Something new u-joints can't fix. I ended up getting a new driveshaft a week ago and it's much better now.
Just fyi....
Anybody?
How much play is considered excessive or that the bushing is worn on the NP 208?
They are going to look at my drive shaft and angles tomorrow and re-balance it at the drive shaft shop.
How much play is considered excessive or that the bushing is worn on the NP 208?
They are going to look at my drive shaft and angles tomorrow and re-balance it at the drive shaft shop.
I want to see pics of this bushing. Not saying it doesn't exist. But all I saw when I took the tailshaft "cone" off my 208 was a big bearing in the end of it behind the seal.
Im just confused, if there is a bearing in it, why is there a brass busing too???
My guess is bearing for the output shaft. Slide the splined slip joint onto the output shaft and then the bushing goes around the smooth part of the slip yolk.
That gives the output a nice support and then the bronze bushing keeps the slip yolk from wobbling. They preform two different functions.
The bearing rides on the outside of the slip yoke on mine...
Maybe I have some crazy 208
Maybe I have some crazy 208
OK, before everybody gets too crazy, I have been looking for that darn bushing. I think I found it, but the diagram has no id part numbers, and its a darn weird PDF file.
But, it looks like the Chevy cases with a nonslip yoke and the short housing have no bushing.
The Ford cases with a slip yoke and a long housing have a bearing inside the housing toward the TC, and a bushing out towards the end of the housing extension.
I will try to find a better picture.
But, it looks like the Chevy cases with a nonslip yoke and the short housing have no bushing.
The Ford cases with a slip yoke and a long housing have a bearing inside the housing toward the TC, and a bushing out towards the end of the housing extension.
I will try to find a better picture.
If you want to see what I see, here is the link.
http://www.manualtransmissionpart.com/mm5/graphics/pdf/np208-2012.pdf
I may be wrong, of course.
http://www.manualtransmissionpart.com/mm5/graphics/pdf/np208-2012.pdf
I may be wrong, of course.
Part number "-066"?
So any clue on how much movement is too much?
y5mgisi
1 ton status
You can kinda see it in this pic.
And the bushing itself.
And the bushing itself.
That's a 241
y5mgisi
1 ton status
same enough.
I think you imagined this. First of all, look at the shape of the cone. Where would a big roller bearing with inner and outer races fit in there? Secondly, the inside of a bearing race is not designed for the constant sliding that a slip yoke does. Just inboard of the output splines is a smooth surface the bearing rides on. Outside of that you just have this bushing and the output seal.The bearing rides on the outside of the slip yoke on mine...
Maybe I have some crazy 208
Now I want to go take my tcase apart to see if I'm crazy lol
It was a couple years ago I had it apart. So very well could be something different.
It was a couple years ago I had it apart. So very well could be something different.
