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Official 14 Bolt 9.5 SF Truck Thread

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Old 08-15-2015, 10:45 AM
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Originally Posted by gao8302
Has anyone used a 14 bolt out of a Chevy express van? Will the factory disc brakes fit on this with the obvious modifications? I'm going with a custom set of bogarts anyways so wheel figment isn't an issue.

GM 14 BOLT REAR END WITH 3:73 GEARS AND 9.5'' RING GEARS. THIS WAS OUT OF A FULL SIZE CHEVY EXPRESS VAN 2000-2002.

OUTSIDE TO OUTSIDE OF SPRING PERCH IS ABOUT 53 1/2''
INSIDE TO INSIDE OF BACKING PLATE IS ABOUT 58 1/4''

George
From what I remember they are offset to 1 side and They are also wider than the standard GMT800 rear ends. I am not sure the leaf spring width is the same either.
Old 08-15-2015, 12:16 PM
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Originally Posted by 1FastBrick
From what I remember they are offset to 1 side and They are also wider than the standard GMT800 rear ends. I am not sure the leaf spring width is the same either.
From what I can tell the axle looks centered. It also appears that the axle is roughly 3" shorter from backing plate to backing plate. Hmmm?
Old 08-25-2015, 08:35 PM
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Aside from needing to swap 8 lug to 6 lug axles, will a 2000 Yukon 9.5/14bolt w/discs swap right into a 2000 Silverado?
Old 08-25-2015, 09:14 PM
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Originally Posted by signguy62
Aside from needing to swap 8 lug to 6 lug axles, will a 2000 Yukon 9.5/14bolt w/discs swap right into a 2000 Silverado?
A NBS Yukon XL 2500 housing will fit and you can swap the 8 lug axles to OBS 6 lug axles but there is only 1 solution that I am aware of for the brakes.

Thats to make a new brake mounting flange and weld it to the housing.


The 2500 and 1500HD 8 lug brakes have a different offset from the 1500 6 lug counterpart.
Old 06-10-2016, 09:40 PM
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Anyone have a part number for the axle shaft for the AXN for a 2006 Sierra. G80, GT5, JF3, possibly a less expensive replacement than the OEM part? have seal leakage with groove in axle shaft and the repair bearing wont let the clip fit back in place.
Thanks
Old 06-11-2016, 11:54 AM
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Originally Posted by jmk121
Anyone have a part number for the axle shaft for the AXN for a 2006 Sierra. G80, GT5, JF3, possibly a less expensive replacement than the OEM part? have seal leakage with groove in axle shaft and the repair bearing wont let the clip fit back in place.
Thanks
Call Dutchmen. I sent them an axle from a 2006 AXN and had them make me 2 sets.

They have the dimensions and can make you a pair of axles that is better than factory for 1/2 the price of just 1 axle from GM.

Last time I checked GM wanted around 550ish for just 1 axle.
Old 06-11-2016, 09:34 PM
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Thanks, I will give them a call Monday. Do you know the GM part number? I have been searching the diagrams and the one that appears to be the hybrid axle does not have a part number or description for the axle shaft.
Thanks again!!
Old 06-17-2016, 10:50 AM
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UPDATE! A guy on the performance trucks face book page posted this info for converting the NBS 8 lug 14 SF to 6 lug:

Yukon Axles - YGA-21425

03 Express 2500 6 lug Van Brake Rotors

Apparently the 6 lug van rotors will work with the existing parking brake, caliper, and caliper bracket.
Old 06-18-2016, 02:22 PM
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Originally Posted by axisT6
UPDATE! A guy on the performance trucks face book page posted this info for converting the NBS 8 lug 14 SF to 6 lug:

Yukon Axles - YGA-21425

03 Express 2500 6 lug Van Brake Rotors

Apparently the 6 lug van rotors will work with the existing parking brake, caliper, and caliper bracket.
Same fitment? not offset to one side?

Did he post any pictures? I am not on FaceBook
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Old 06-28-2016, 12:21 PM
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Originally Posted by 1FastBrick
Same fitment? not offset to one side?

Did he post any pictures? I am not on FaceBook
Facebook is evil. What do you mean by offset? There was a pic, however the post is buried now.


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