Will an escalade EXT rear axle bolt up to a tahoe?
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swathdiver
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Yes we did. Right, the 9.5" has a capacity of 1,100 foot pounds of torque more than the 8.6". 3,829 vs 4,993.
AXN, G80, GU6.... Very common on the AWD 2010 to 2014 Escalades with the trailer towing package..... And all bet 90% of those never hook onto a trailer
Never seen that combination. Do you have a pic of an RPO like that? I've never seen an AWD Denali or Escalade with the AXN, yet, from the factory.
swathdiver
Full Access Member
Is about 6 weeks ago when doing the brakes I noticed the axle had about three times the end play that it should. Picked up a new set of Spicer axles off RockAuto at $89 a piece. Koyo bearings are OEM, picked up a set of those and axle seals. The axles had zero wear in the contact area with the bearing. But the seal did cut a little groove in. The surprise was the c clip that retains the axle in. That's what wore, causing the excess end play. Went ahead and put the new axles and bearings in with new c clips. Nice and tight, right at the low end of tolerance.
The wear groove from the seal
You can actually see without a micrometer the obvious wear, although most of it was on the thickness
All buttoned up with the new axles
LOL and this is what I do for work now. 105,500 lb chip truck everyday to the paper mill
The wear groove from the seal
You can actually see without a micrometer the obvious wear, although most of it was on the thickness
All buttoned up with the new axles
LOL and this is what I do for work now. 105,500 lb chip truck everyday to the paper mill
I'm pretty sure the issue with the c-clip has to do with the OEM 22 inch wheels. I've heard there harder on the front differential, apparently more lateral force on turning? If that's true, I assume that's what did it to the rear axle.
swathdiver
Full Access Member
I have two 9.5" axles out of Cadillacs, one of them under 100K and the other with 141K. Both have axle shafts that look similar to yours. I figure some scotchbrite would clean them up enough for service. I kept them for spares, bought new GM axles from Rock Auto. Both axles also had Koyo and Timken bearings and all were in great shape though we replaced them anyway.
We used AAM and Richmond Gear kits which had Koyo bearings. So now all three of my fleet have the AXN, the pickups came with them from the factory.
My 2012 has been lifted since 2013 and runs 35" tires that weigh 81.5lbs each and we've not had a front or rear axle issue yet.
Yeah, I'm hanging on to the axles. It's hard to actually feel the groove with a fingernail. I have a large metal lathe, I was going to polish them up with some 2500 grit and hang on to them for spares. You end up with excess end play.... A quick swap of the c-clips will do the trick
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