SHENANIGANS

Figured I’d post here so I don’t take over the Web Wheeler thread anymore than I already have. Several have already seen these photos from the cursed URE.
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And here’s what I found. All 6 allen head fasteners that mount the adapter to the Atlas sheared off clean. I believe I’m gonna follow @Bebop suggestion and just order this piece from Advance Adapters and have brand new threads without fussing with extracting these. Probably do a little research on getting some stronger bolts to put back in.
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BigSouth said:
And here’s what I found. All 6 allen head fasteners that mount the adapter to the Atlas sheared off clean. I believe I’m gonna follow @Bebop suggestion and just order this piece from Advance Adapters and have brand new threads without fussing with extracting these. Probably do a little research on getting some stronger bolts to put back in.
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You’d go through more than $100 worth of drill bits getting those out, that’s a good plan.

looked up the specs for those studs, can’t find length on the website, but arp makes a header stud in 18ksi that has the same thread combo and 2” long

pitstopusa.com

ARP AJ2.000-5G Header Stud

Pit Stop USA has Exhaust Manifold/Header Fastener Kits like ARP Header Stud 3/8" Diameter 2.000" Long Chromoly - Black Oxide at low everyday prices. Be sure to check out our Engine Fastener Kits.
pitstopusa.com pitstopusa.com

Left is stock atlas right is generic header stud, the atlas one has a 1/8 stick out past threads that would help in alignment, but the arp would work just fine (images from pirate 4x4 atlas thread)


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Shreddinlettuce said:
You’d go through more than $100 worth of drill bits getting those out, that’s a good plan.

looked up the specs for those studs, can’t find length on the website, but arp makes a header stud in 18ksi that has the same thread combo and 2” long

pitstopusa.com

ARP AJ2.000-5G Header Stud

Pit Stop USA has Exhaust Manifold/Header Fastener Kits like ARP Header Stud 3/8" Diameter 2.000" Long Chromoly - Black Oxide at low everyday prices. Be sure to check out our Engine Fastener Kits.
pitstopusa.com pitstopusa.com

Left is stock atlas right is generic header stud, the atlas one has a 1/8 stick out past threads that would help in alignment, but the arp would work just fine (images from pirate 4x4 atlas thread)


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All my studs are in great shape, but I’ll definitely look into the ARP variety. 4 are 50mm and 2 are 40mm. What I need are the 6 allen head bolts stronger. Everything is 10x1.50 threads.
 
BigSouth said:
All my studs are in great shape, but I’ll definitely look into the ARP variety. 4 are 50mm and 2 are 40mm. What I need are the 6 allen head bolts stronger. Everything is 10x1.50 threads.
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It seems like most of the fasteners AA use are just grade 5 or metric equivalent stainless. You should be able to easily find some 12.9 metric bolts. I’d bet they sheared because they had worked loose and the rotational force took them out though.
 
Hokie_YJ said:
It seems like most of the fasteners AA use are just grade 5 or metric equivalent stainless. You should be able to easily find some 12.9 metric bolts. I’d bet they sheared because they had worked loose and the rotational force took them out though.
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Got some 12.9’s in a cart right now. Just gotta get some measurements and then start throwing my purse at it.
 
Hokie_YJ said:
It seems like most of the fasteners AA use are just grade 5 or metric equivalent stainless. You should be able to easily find some 12.9 metric bolts. I’d bet they sheared because they had worked loose and the rotational force took them out though.
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Fairly common sadly.
I have a couple of buddies who cannot keep their atlas tight to the transmission and they somehow always work themseves loose.

@BigSouth I'd make sure to use red locktite and the proper torque recommended from AA.
 
Bebop said:
Fairly common sadly.
I have a couple of buddies who cannot keep their atlas tight to the transmission and they somehow always work themseves loose.

@BigSouth I'd make sure to use red locktite and the proper torque recommended from AA.
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Add another one here. Part of my bolt check before every ride is the bolts between the atlas and AX15. 2-3x a year I find at least one or more loose despite blue loctite. Red is next.
 
StretchASU said:
Add another one here. Part of my bolt check before every ride is the bolts between the atlas and AX15. 2-3x a year I find at least one or more loose despite blue loctite. Red is next.
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If that doesnt work you could switch to safety wire bolts
 
BigSouth said:
And here’s what I found. All 6 allen head fasteners that mount the adapter to the Atlas sheared off clean. I believe I’m gonna follow @Bebop suggestion and just order this piece from Advance Adapters and have brand new threads without fussing with extracting these. Probably do a little research on getting some stronger bolts to put back in.
View attachment 447800
View attachment 447801
Click to expand...
Ok trying to learn and understand what is going on here and what happened. Does the atlas have an adapter that bolts to it and the studs go in it? I would have thought the studs go straight in those drilled and tapped holes.
 
ghost said:
Ok trying to learn and understand what is going on here and what happened. Does the atlas have an adapter that bolts to it and the studs go in it? I would have thought the studs go straight in those drilled and tapped holes.
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The Atlas has a clocking ring bolted to the front of the case. The studs thread into that and then those bolt to the adapter on the trans. The way I understood it the socket head bolts holding the cocking ring to the case are backing out causing the issue.
 
Hokie_YJ said:
The Atlas has a clocking ring bolted to the front of the case. The studs thread into that and then those bolt to the adapter on the trans. The way I understood it the socket head bolts holding the cocking ring to the case are backing out causing the issue.
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Yea I don't think I have ever seen one other then installed from underneath. So I went and looked on their site. Seems like a bad idea to me....but what do I know. Also see hindsight...

0005134_atlas-transfer-case-jeep-tj-2sp-builder.jpeg
 
ghost said:
Ok trying to learn and understand what is going on here and what happened. Does the atlas have an adapter that bolts to it and the studs go in it? I would have thought the studs go straight in those drilled and tapped holes.
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So here’s all the pieces to the puzzle. Here is the input of the Atlas the way it comes from them. It has multiple threaded holes to allow clocking the case.
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Next part is the adapter portion that for my application also houses the VSS (vehicle speed sensor). It has 6 machined holes to bolt to the face of the Atlas. These 6 bolts are what sheared in mine. These bolts are not accessible or visible once the case is installed.
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Now the tail of my 4L60 is where the 6 studs go. 2 shorter ones at the top and 4 longer ones everywhere else.
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The 4 longer studs are for the transmission mount plate pictured here.
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ghost said:
Thanks. I see now.
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Not really any different from OG clocking rings we all used putting 300s into later model Jeeps back in the day.
Mine did what @BigSouth did too. I ended up using high grade studs that go through the ring and into the Atlas. Been good since around 2019 (or whenever I went to Chocco last)
 
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