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Rear Wheel Seal

sdeeter19555

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sdeeter19555 Senior Enthusiast

sdeeter19555

Posted
Posted

Ok, I have a seeping rear wheel seal on my 2012 2500hd. I understand how these things come apart (I've had my share of Dana 60s/70s/80s apart).

 

What I can't determine from the WWW is what size the axle nut is (what axle nut socket do I need), whether it is a one-time use nut (nyloc) (do I need to order a new one), or the torque strategy for installation (example - Dana are torque to 140 ft-lbs and back off 120 degrees)?

 

I want to make sure I have everything ready before I start tearing into it. Can someone point me in the right direction?

 

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davester Senior Enthusiast

davester

Posted
Posted

The full service manual will describe the tools needed, whether you need to buy a new one each time, and how to uninstall and install it correctly.

 

Paper version at helminc.com/ebay/amazon, or online (cheaper) at alldatadiy.com  or other sites.

carkhz316 Enthusiast

carkhz316

Posted
Posted

You need the 9-point axle nut socket (Lisle brand makes one; other likely as well). It's not required for removal of the nut, but you'll need it to set preload. It is a re-usable nut as well, though the SI indicates the retainer isn't (for some reason). The installation involves torquing to 52ft lbs (same spec as older 10.5s), loosen, and re-tighten finger tight until the key-way lines up. 

 

This in a condensed instruction, since it sounds like you've done this stuff before.

sdeeter19555 Senior Enthusiast

sdeeter19555

Posted
  • Author
Posted
You need the 9-point axle nut socket (Lisle brand makes one; other likely as well). It's not required for removal of the nut, but you'll need it to set preload. It is a re-usable nut as well, though the SI indicates the retainer isn't (for some reason). The installation involves torquing to 52ft lbs (same spec as older 10.5s), loosen, and re-tighten finger tight until the key-way lines up. 
 
This in a condensed instruction, since it sounds like you've done this stuff before.
Ok, I see that nine point socket and have it ordered, but I read a review that one guy had a 10.5AAM that was a six point? Was there such a thing?

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sdeeter19555 Senior Enthusiast

sdeeter19555

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  • Author
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Yes, the 2010 and older 10.5/11.5 axles used a 6 tabbed/ point socket, very similar to the newer 9 point socket.
Perfect, that clears that up!

Thanks for the information, I'll get a seal locally so I can compare/exchange them if needed. Otherwise, if it is a similar setup to a Dana, should be a straight forward process to R&R.

Thanks!

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