Driveshaft one piece or ?
I was under my truck today and noticed that I have a 3 piece drive shaft with a small center section that it attached by 2 supports. The small center section is covered with a rubber boot.
I see others with 4x4 have a one piece driveshaft. I have the SC, LB, 2x4. |
Not sure about the newer trucks, but the regular-cab and the supercab/shortbed had one-piece driveshafts in the earlier Superdutys. Everything else had the hanger bearing - which is what that "support" is that you see.
The 4x4's you saw, were they regular cab, or supercab-shortbed? |
Also commonly called a carrier bearing and it is very common in long wheel base trucks. The ones you were seeing with a one piece shaft where most likely SB or shorter wheel base trucks.
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Strange i have a 4x4 CC short bed with a 1 piece ,,,,,
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It should be a two piece unless you have a 2011 and they have just changed them. All crewcabs since 1998 have had two piece shafts.
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From when I was at Corsa... mine is a 4x4 (guess I better update my sig!)
http://www.johnnystacks.com/gallery/...1/IMG_1058.JPG |
Cool they have changed for 2011, aluminum to boot. I am impressed. This hopefully should help solve some of the driveshaft issues with load height changes.
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Here is a shot of my drive shaft.
http://uoqgja.bay.livefilestore.com/...009.JPG?psid=1 |
That is how all of my crewcabs have been including the one I have now. If the other guy has a one piece is it a mid year change, or did he buy it aftermarket and is just having fun with us?
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Originally Posted by Super08
(Post 10317578)
That is how all of my crewcabs have been including the one I have now. If the other guy has a one piece is it a mid year change, or did he buy it aftermarket and is just having fun with us?
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It has to be a mid year change then. I'll see what mine is when I get it.
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Originally Posted by Super08
(Post 10318294)
It has to be a mid year change then. I'll see what mine is when I get it.
My truck was built March 2011 with the mid shaft support. Now the question is why they did it and/or is it better or worse than a single shaft? What is the advantage? I guess the shaft can take more torque and will have less wabble? |
Just checked. My truck was built January 2011.
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There's really no advantage to either one. OK, maybe the single-piece is easier to work on ;) And, you never have to change the hanger bearing.
The issue is whether or not they can get the angle the same at the tranny and at the rear-end. The front and back "pinion" angle has to be the same, otherwise it'll vibrate. U-joints when operating at an angle do not spin at a constant speed. The angle determines the acceleration/deceleration the driveshaft goes through, and if both angles are the same, that change in speed is canceled out. Also, on very long wheelbases, the two-piece helps ground clearance. But I think that's a non-issue on these trucks anyway, the exhaust and gas tank are usually lower than the driveshaft anyway ;) |
Mines a May -2010 build & has the 2 piece/ carrier bearing like iggy posted - Its a Super cab/ long box...
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