Transfer case identification from shift pattern - JeepForum.com

 
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post #1 of 13 Old 05-27-2011, 08:07 AM Thread Starter
LordSul
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Transfer case identification from shift pattern

Im learning new stuff about my jeep every day, and its amazing me everytime, my transfer case is so strange I couldnt find a similar shift pattern as mine, on the net.

I have 2H and 2L 4H and 4L and N.

Dana 18?...maybe? how come its on my 232 engine...

Every idea counts, thanks.


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post #2 of 13 Old 05-27-2011, 08:11 AM
jcal73
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Do you have two sticks?
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post #3 of 13 Old 05-27-2011, 08:20 AM
MoC
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Is it labeled as 2L or is that a spot you found while shifting? Pictures of the tcase would help. There should also be a casting number / tag on it that would help as well.

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post #4 of 13 Old 05-27-2011, 08:32 AM
CSP
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A '76 would have come with a Dana 20. With wear in the shifting linkage you can get to 2L between Neutral and 4L. There are two shift rods which the linkage attaches to, one for each axle. With the slop in the linkage the rod for the rear axle will engage low gear while the rod for the front axle is still in neutral.
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post #5 of 13 Old 05-27-2011, 08:35 AM
lucdog
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If the rear axle pumpkin is not offset to the passenger side, its probably not a D-18. The D-18, rear output is more toward the passenger side, Dana 20 and 300 are centered rear outputs.
It would help if you started with the lever position closest to the firewall, and listed the positions back toward the seats


Bill

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post #6 of 13 Old 05-27-2011, 08:35 AM
MoC
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Quote:
Originally Posted by CSP View Post
A '76 would have come with a Dana 20. With wear in the shifting linkage you can get to 2L between Neutral and 4L. There are two shift rods which the linkage attaches to, one for each axle. With the slop in the linkage the rod for the rear axle will engage low gear while the rod for the front axle is still in neutral.
Thats why I asked him if it was labeled as 2L, thinking the same thing.

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post #7 of 13 Old 05-27-2011, 08:52 AM
CSP
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None of the stock CJ transfer cases would have been labeled with 2L, even the Dana 18.

The twin stick Dana 18 had one shifter for high/low range and the other engaged/disengaged the front axle. You couldn't engage low range unless the front was engaged first also.
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post #8 of 13 Old 05-27-2011, 11:58 AM Thread Starter
LordSul
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Mine never had a shift pattern on the knob, I discovered this by trial, I tried every position, front wheel hubs at free position, and had a friend looking at the front and rear shaft turning.

After that I re checked by turning the wheels....Ill send some pics tommorow.

My jeep is big crossbreed, the VIN on the plate says 75 CJ5, but clearly the frame is not a cj5, measured it, tub is cj7. And so on...so dont count on it as a regular cj7, this transfer case may even be from willys....heres the link to that thread,
http://www.jeepforum.com/forum/f8/un...-model-871915/

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"Tear down the walls of Nicosia"
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post #9 of 13 Old 06-02-2011, 01:40 AM Thread Starter
LordSul
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Ok Ive checked my shift pattern again, it goes like this
from top to bottom: 4H - 2H - N - 2L - 4L

Rear diff looks centered. but the TC looks towards passenger side.

Heres the pic


Uploaded with ImageShack.us

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76' Jeep CJ7, AMC 232, Weber Carb 32/36, TeamRushed, MSD6, 33" Maxxis Mudzilla

"Tear down the walls of Nicosia"
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post #10 of 13 Old 06-02-2011, 02:18 AM Thread Starter
LordSul
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I coulndt read the numbers on the case but I think I saw the DANA sign in a trapezoid shape.According to my research, this is most probably DANA20, with removed "shifter rail interlock pin", which I read, adds a 2wd L function. But again, this applies to DANA300 too...!

My TC has one shifter stick, could it it converted to single stick from twin stick? Or a single stick DANA300, they both look exactly the same

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"Tear down the walls of Nicosia"
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post #11 of 13 Old 06-02-2011, 08:26 AM
CSP
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It's a Dana 20. I can see the tailhousing is cast iron (Dana 300 tailhousing is aluminum) and the speedo cable location is consistent with a Dana 20.

As I said earlier, slop in the shifter linkage allows it to go into 2low. Lots of older Dana 20s do this, inluding two that I have. No need to remove any interlock pills. Removing interlock pills allow front wheel drive, low range anyhow.
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post #12 of 13 Old 06-02-2011, 01:25 PM Thread Starter
LordSul
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Thank you! All sorted out.

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76' Jeep CJ7, AMC 232, Weber Carb 32/36, TeamRushed, MSD6, 33" Maxxis Mudzilla

"Tear down the walls of Nicosia"
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post #13 of 13 Old 11-06-2014, 07:10 AM
tshade
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On my 73 cj5 TC shift knob has it labeled 4H 2H N 2L 4L
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