Transfer Case Clocking Drill Jig - JeepForum.com
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post #1 of 12 Old 09-28-2021, 01:16 PM Thread Starter
dg98adams
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Transfer Case Clocking Drill Jig

Does anyone have the Iron Rock Offroad Transfer Case Clocking Jig?


I'm looking to clock the transfer case on my YJ up.


If you have clocked your Transfer case on a AW4 (Mine has a Cherokee AW4 so it hangs ~2inches below the frame), and would be looking to resell the jig let me know.


A new one is $60, not really bad price, but I figure most would use it one and done.... (that's my plan).

This is the current AW4 Adapter, the new holes would be drilled to the right of each hole

Thanks


DG

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post #2 of 12 Old 09-28-2021, 06:09 PM
JeeperDon
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It's pretty easy to just make a cardboard template. That's what I did long ago.

'93 YJ, '02 GM 4.3V6, SOA, dual ARB's, 8.8+D30(WarnHubs), 4.88s, 35" Patagonia M/Ts, AX15, NP231+4:1+SYE+2LO, York OBA.
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post #3 of 12 Old 09-29-2021, 05:30 AM
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The bosses are there and just need drilling. So either ^^^cardboard - or - I’d use machinist dividers and step off the current holes for the bolt centers, then scribe the bolt circle from the shaft centerdrill with them.

[size=3]Shackles & D-rings are different things.
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post #4 of 12 Old 09-29-2021, 01:15 PM Thread Starter
dg98adams
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I picked up the aluminum section off a AW4 trans (Cherokee like mine) for the trx case pretty cheap to practice on…. I’ll see if I can make a template on drilling new holes for my Wrangler to clock the trx case up.

I’ll post if I can the holes lined up right

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post #5 of 12 Old 10-10-2021, 10:01 PM
whodatschrome
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Same exact bolt pattern, but different Mopar. I found this AA adapter ring in my shop. Obviously it was left over from one of my Jeep projects, and it worked perfectly as a drilling jig so that I could clock a NP241DLD on the back of my NV4500.

Make sure to drill absolutely perpendicular to the transmission otherwise you’ll be hating life...and have to oval out your holes.
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1044A040-AB48-48EC-A682-AC3DEF5A73F1_1633924719431.jpg   DBA3FBB8-9B2A-46A7-9576-92CDE2348C49_1633924744635.jpg   C6C8CB90-AD34-419E-BF82-B15D81AA626C_1633924786743.jpg   23A7BFDE-E942-4F57-BA38-2E2DD7240894_1633924809024.jpg  
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post #6 of 12 Old 10-11-2021, 06:59 PM
Boojo35
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20211011_205124.jpg

This guide here proves to be pretty handy at keeping a drill bit square. I have another gizmo that attaches to a drill and makes it plunge like a router but have no idea where exactly it is at the moment.
Awesome likes this.

If you cannot fix it with a hammer then it has to be an electrical problem.
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post #7 of 12 Old 10-11-2021, 10:26 PM
Luuca
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we made a tool that offset them 11 from stock cherokee to YJ.

I may be able to mail it to you and you mail it back.

dm me

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post #8 of 12 Old 10-12-2021, 08:57 AM Thread Starter
dg98adams
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Luuca,
I would be interested in your jig.... so 11% is the change?


I did get the trans plate pictured above to try it out on. I can email you my address.


Thanks
DG

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post #9 of 12 Old 10-12-2021, 12:47 PM
Luuca
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Quote:
Originally Posted by dg98adams View Post
Luuca,
I would be interested in your jig.... so 11% is the change?


I did get the trans plate pictured above to try it out on. I can email you my address.


Thanks
DG
some say 10 some say 11 ours is CNC cut to be 11. never had an issue on any of the jeeps we've used it on.

Ill mail it to the address you gave me in the DM. Here's what it looks like:

xj-yj-tj-transfer-case-clocking-tool.jpg

Simply slide the tool over the output shaft, rotate it until the existing bolt hole is over the larger of the two smaller holes, place a bolt through he existing hole to stop the tool from wandering, use a transfer punch on the smaller hole to mark the boss for drilling, then drill it out. Rotate to the next hole and repeat until done.

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post #10 of 12 Old 10-13-2021, 09:19 AM Thread Starter
dg98adams
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Luuca,
I have gotten the AW4 trans plate off ebay for drilling using drill press.

Id like to get it all drilled so I dont have to do it under the Jeep. So hold off on your jig since Im not going to have the output shaft to center it.

Thanks

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post #11 of 12 Old 10-13-2021, 01:00 PM
Luuca
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Too late... it is shipped. Send it back. It's not difficult to drill out even under the jeep IMO. It's aluminum alloy after all.

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post #12 of 12 Old 10-13-2021, 04:32 PM
Boojo35
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Your Jig is very very clever @Luuca , which is no surprise. You come up with some very cool ideas.
Awesome and YoYjay like this.

If you cannot fix it with a hammer then it has to be an electrical problem.
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