bent axle - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Jason71k10 · 10-01-2005, 11:42 PM

Well i discovered that I have a bent rear axle shaft on my k-10. It's bent near the mounting flange, but for some reason I can't feel any wobble when I drive down the road, yet when I look at the wheel in the mirror, it's wobbling like crazy!!
Anyway, I want to know what parts will interchange with my axle. The truck has a 12 bolt rear with the skinny 2" drums. Will axles from any 12 bolt fit, or will the narrower drums need a shorter axle shaft? I 've thought about just swapping the whole rear end, but If I can just put in a new shaft that would be better. thanks for any help

Jason

**JIMs70GMC** · 10-02-2005, 07:56 PM

One question, are you sure it's not the center of the rim that's bent?

Jason71k10 · 10-03-2005, 11:14 PM

positive Jim. First i switched the rear wheels to see if it did with both wheels and it did. After that, I took the wheel off, and spun the axle with the other wheel while a buddy watch, and you could see that it was bent at the flange.
Also, I rolled this truck backwards into a ditch 3 years ago, and coincidentally, that wheel was the one that took the full force of the impact before the truck rolled. I figure if I can't feel the wobble now, maybe it's been bent since the accident??

So does anyone know if any axle shaft from a 12 bolt will fit?

**JIMs70GMC** · 10-04-2005, 04:50 AM

I'm not sure about the 2wds since their width varied. Any 4wd should fit. I've never heard of the 12 bolts in 4wds coming in different widths. You will need to get it from the same side though, because I believe they are differnet lengths side to side.(the 3/4 tons are, eaton or dana60 or 14BFF)

10-01-2005, 11:42 PM	#1
Jason71k10 ready for reassembly Join Date: Jun 2002 Location: Barrie ONT, Canada Posts: 413	bent axle Well i discovered that I have a bent rear axle shaft on my k-10. It's bent near the mounting flange, but for some reason I can't feel any wobble when I drive down the road, yet when I look at the wheel in the mirror, it's wobbling like crazy!! Anyway, I want to know what parts will interchange with my axle. The truck has a 12 bolt rear with the skinny 2" drums. Will axles from any 12 bolt fit, or will the narrower drums need a shorter axle shaft? I 've thought about just swapping the whole rear end, but If I can just put in a new shaft that would be better. thanks for any help Jason __________________ stock 71 4x4 2003 Jeep Liberty, rocky mountain edition I'm obsessed, and wouldn't have it any other way!

10-02-2005, 07:56 PM	#2
JIMs70GMC user # 2756 Join Date: Jun 2001 Location: Chesapeake, Virginia Posts: 4,612	One question, are you sure it's not the center of the rim that's bent? __________________ 1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs 1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX 1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears 1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now..... 1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone. 1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed. 1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm

10-03-2005, 11:14 PM	#3
Jason71k10 ready for reassembly Join Date: Jun 2002 Location: Barrie ONT, Canada Posts: 413	positive Jim. First i switched the rear wheels to see if it did with both wheels and it did. After that, I took the wheel off, and spun the axle with the other wheel while a buddy watch, and you could see that it was bent at the flange. Also, I rolled this truck backwards into a ditch 3 years ago, and coincidentally, that wheel was the one that took the full force of the impact before the truck rolled. I figure if I can't feel the wobble now, maybe it's been bent since the accident?? So does anyone know if any axle shaft from a 12 bolt will fit? __________________ stock 71 4x4 2003 Jeep Liberty, rocky mountain edition I'm obsessed, and wouldn't have it any other way!

10-04-2005, 04:50 AM	#4
JIMs70GMC user # 2756 Join Date: Jun 2001 Location: Chesapeake, Virginia Posts: 4,612	I'm not sure about the 2wds since their width varied. Any 4wd should fit. I've never heard of the 12 bolts in 4wds coming in different widths. You will need to get it from the same side though, because I believe they are differnet lengths side to side.(the 3/4 tons are, eaton or dana60 or 14BFF) __________________ 1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs 1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX 1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears 1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now..... 1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone. 1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed. 1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm



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