No high gears - Dana 300 - JeepForum.com

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post #1 of 21 Old 02-02-2012, 08:37 PM Thread Starter
jephwoyo
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1983 CJ5 
 
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No high gears - Dana 300

So I finally got my transmission and trans case back in the cj. I can only drive it when the front is locked in 4H or I can run it in 4L (as front drive only). When I put it in 2H or 4H without locking the hubs, it goes no where. I didn't rebuild the Dana, just put a new seal where it mounts to the trans, and put a new gasket on the bottom plate.

I'm going to pull it this weekend.... Any ideas/suggestions? It was working fine before I rebuilt the trans (T176).

Jeff

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post #2 of 21 Old 02-03-2012, 06:13 AM
gmakra
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Check your linkage if you didnt do anything else thats were you will probably find the problem.
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post #3 of 21 Old 02-03-2012, 07:03 AM
scobar
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locking the hubs is only engaging the axle so that tells me the 300 is working. Like said check the shift linkage, do you have a twin shift for the 300?
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post #4 of 21 Old 02-03-2012, 07:22 AM
scoutboater
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I do hate to ask the stupid question, but did you put the rear driveshaft back in?

Please dont hate me, its just the first thing that popped into my head...
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post #5 of 21 Old 02-03-2012, 09:50 AM Thread Starter
jephwoyo
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Thanks guys. I will check out the linkage. I did reconnect the rear driveshaft. Anything I should be looking for?
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post #6 of 21 Old 02-03-2012, 10:23 AM
scoutboater
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Ok, just checking

On the linkage, I would look first for anything that might have become disconected (I know, I know, its a theme with me... Just don't ask why). If everything is still in place, get someone to move the shifter while you watch the linkage and look for any binding or twisting in it. You might also be able to tell if it looks like it is actually shifting all the way in and out of the gears.

Good Luck!
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post #7 of 21 Old 02-03-2012, 11:11 AM Thread Starter
jephwoyo
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Thanks! Which linkage is front and which is rear? I remember seeing it somewhere, but can't remember off the top of my head.
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post #8 of 21 Old 02-03-2012, 11:25 AM
Fingergrindr
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If you reverse the bracket that connects the 2 shift rods your Jeep will exhibit this condition, assuming you have the stock shifter. If you need a pic of how the linkage should look let me know and I will send you one. No worries...your good!!

If you are staring at the transfercase with the front axle behind you the driver's side shift rod controls the rear wheels and the passenger side controls the front. Look at twin-stick instructions and you will see what I am talking about.

If you need a schematic of the entire linkage from the Factory Service Manual I will gladly fax/scan/email you the information.
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post #9 of 21 Old 02-03-2012, 11:27 AM
TKFireman
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Quote:
Originally Posted by jephwoyo View Post
Thanks! Which linkage is front and which is rear? I remember seeing it somewhere, but can't remember off the top of my head.
Driver side shift rail is rear axle, passenger side is front axle.

"If your gonna be dumb, you gotta be tough"
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post #10 of 21 Old 02-03-2012, 11:31 AM Thread Starter
jephwoyo
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Excellent thanks!!! I will check it out when I get home from work.
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post #11 of 21 Old 02-03-2012, 09:40 PM Thread Starter
jephwoyo
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Ok... So I don't have a buddy to help me check right now (will tomorrow) but when I put it into 4L without locking the front, it will go... And the 4WD light turns on. When I push it down, I feel neutral, then into 2H. It still has nothing. Then I put it all the way down into 4H and the 4WD light comes back on.... But no movement.

I will try to check it with a buddy in the morning...
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post #12 of 21 Old 02-03-2012, 09:43 PM
John N
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See if the rear driveshaft is turning. You could have spun a hub if you still have 2 piece axles.

'81 Scrambler w/ FI 360 AMC, 33x12.50 BFG M/T's, 5" of lift, ARB'd Dana 44's F & R, Dana 300 clocked & twin sticked w/4:1, Warn XD9000i, etc...
2002 Grand Cherokee Limited, 2008 Overland Grand Cherokee, a 1976 CJ-7 in pieces and 3 more off-brand 4x4s...............
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post #13 of 21 Old 02-03-2012, 11:12 PM Thread Starter
jephwoyo
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Quote:
Originally Posted by John N
See if the rear driveshaft is turning. You could have spun a hub if you still have 2 piece axles.
But the fact that 4L works when the front isn't locked (so its actually 2L) negates this theory... Or am I missing something?
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post #14 of 21 Old 02-04-2012, 08:45 AM
John N
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Quote:
Originally Posted by jephwoyo View Post
But the fact that 4L works when the front isn't locked (so its actually 2L) negates this theory... Or am I missing something?
Probably not, I just didn't read your post right. Make sure you're getting it all the way into the gear and sheetmetal or the shift boot isn't in the way of the shifter. Remove the shift boot and try it.

'81 Scrambler w/ FI 360 AMC, 33x12.50 BFG M/T's, 5" of lift, ARB'd Dana 44's F & R, Dana 300 clocked & twin sticked w/4:1, Warn XD9000i, etc...
2002 Grand Cherokee Limited, 2008 Overland Grand Cherokee, a 1976 CJ-7 in pieces and 3 more off-brand 4x4s...............
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post #15 of 21 Old 02-04-2012, 10:13 AM
foggybottombob
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To get Hi range on the rear axle, the shifter has to pull the driver side shift rail out of the tcase (but not all the way out of course).
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