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Unread 05-23-2015, 11:21 AM   #1
jmtw
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1984 CJ7 
 
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Dana 300 shifter adjustment?

Can you adjust the shifter on a dana 300?
Mine works in 4wheel low, if I ram it forward. Can't get it in 4wheel high (doesn't seem to go back far enough).
But, it does shift fairly easily, unlike some 4x4's i've owned.
I haven't had the transfer case out, but I did have the shifter out when I changed tubs.
I did a search, but didn't see anything pertaining to my issue.
The transfer case could be just wore out, I reckon, but i'm hoping I can adjust the linkage somehow and make it work right.
A little history on the Jeep: PO died after having both axles rebuilt, new u-joints, and new brakes all around. As far as I know, transfer case is original and untouched. The engine was rebuilt at some point. It runs great, actually, especially since I had the weber rebuilt. And it has a nutter bypass.
Anyway, PO's kids played with it for a while then it sat for 3 years or so till I bought it.
I tried 4x4 when I bought it, in low range, but didn't try high range.
Considered going with twin sticks, since it's pretty reasonable to do so, but If it's just wore out, then why waste the money.

On a side note, if i ever wreck my dodge, I'd like to somehow stick the hemi, trans, transfer case, and limited slip axles under the Jeep. Although mentioning IFS and CJ in the same sentence seems to bring gasps of horror, as well as thrown food. I think I saw one guy with a noose.

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Unread 05-23-2015, 11:31 AM   #2
Mike Romain
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Getting in and out of 4x4 can be difficult so the shifter gets hit on hard sometimes. Maybe the pivot pins where the shifter and rods hook up are bent or worn. Are you driving at speed when trying to shift? Moving helps, really slow for low, but any legal speed is ok for high.
Sometimes a body mount lift can interfere with the shift range or maybe the tub sits too far forward so the shifter is hanging up? Removing the boot would tell you.
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Unread 05-23-2015, 01:48 PM   #3
jmtw
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I've always shifted into and from 4wheel drive from a standstill. Although on an old GMC, I used to have to rock it, sometimes, to get it out of 4x4.
So, it can't be adjusted?
It's not hitting the tub. It just comes to a dead stop before engaging in high, and I can ram it with force to get it in low.
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Unread 05-23-2015, 04:56 PM   #4
Matt1981CJ7
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There is no adjustment. Usually 4H is much easier to get into than 4L on a D300.

As mentioned, the shifter linkage may be worn, or damaged. Or the D300 needs a rebuild.

Matt
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Unread 05-23-2015, 09:22 PM   #5
only in a jeep cj
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Have a buddy try to shift it (engine off at a stand still) as your under the jeep looking at the shifter to see if its hitting the tunnel cover at the rear. IF it is, the transmission may have been swapped out. There are at least 2 dana 300 shift levers that I know of for different transmissions due to the length and where the lever needs to exit on the tunnel cover.
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Unread Yesterday, 05:16 AM   #6
Mike Romain
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Quote:
Originally Posted by jmtw View Post
I've always shifted into and from 4wheel drive from a standstill. Although on an old GMC, I used to have to rock it, sometimes, to get it out of 4x4.
So, it can't be adjusted?
It's not hitting the tub. It just comes to a dead stop before engaging in high, and I can ram it with force to get it in low.
The CJ owners manual says you need a 'firm hand' when shifting and rolling slow in low helps. There are no syncros. Have you tried high when you are moving?
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86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
89 YJ Renegade. BBD Carbed 4.0 HO. Locked front and rear with 33x9.5 BFG AT's
Some Canadian Bush Jeep Runs and Build Photos: http://mikeromainjeeptrips.shutterfly.com (10 new albums added Sept 16/10)
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Unread Yesterday, 02:27 PM   #7
jmtw
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No, but i will. Thanks guys, for the opinions.
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Unread Yesterday, 04:12 PM   #8
Erik719
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This may seem obvious, but check to make sure the shifter is not hitting the access panel. I had this problem. The boot was hiding the fact that the shifter would hit.
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