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Unread 05-16-2013, 10:26 PM   #1
jodowii2
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1980 CJ7 
 
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Location: monroe city, mo
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dana 300 acting up

Okay so this has hapen several times but has fixed it self several time my jeep is not in the best shape so it could just be worn out

Okay so in 2 hi sometimes il be going along and it will just clunk and slip out of gear and u can hear the teeth like grinding but its not loud so I pull it nto 4hi thinking it would re engage the rear driveahaft and I'd be on my way well that doesn't work so I stopped put in 4lo and it moved so I dove a block and tried 4 hi again same thing so I got out locked the hubs in and finished my drive in fwd what seemes to be the issue its done it several times but I have always managed to get the transfer case back in 2hi

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Unread 05-16-2013, 11:29 PM   #2
RamblingCJ
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Quote:
Originally Posted by jodowii2
Okay so this has hapen several times but has fixed it self several time my jeep is not in the best shape so it could just be worn out

Okay so in 2 hi sometimes il be going along and it will just clunk and slip out of gear and u can hear the teeth like grinding but its not loud so I pull it nto 4hi thinking it would re engage the rear driveahaft and I'd be on my way well that doesn't work so I stopped put in 4lo and it moved so I dove a block and tried 4 hi again same thing so I got out locked the hubs in and finished my drive in fwd what seemes to be the issue its done it several times but I have always managed to get the transfer case back in 2hi
Hopefully you're not trying to shift it while you're moving.

Sounds like it is acting up. I'd drain it, see what comes out, and reassess the situation. My guess is that it might be time for a rebuild. First check the fluid levels as well as the shift linkage, driveshaft u-joints, and transmission mounts.
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Unread 05-16-2013, 11:35 PM   #3
jodowii2
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What inside would be warn causing it to do that the teeth or the skier linkage?
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Unread 05-16-2013, 11:39 PM   #4
RamblingCJ
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Quote:
Originally Posted by jodowii2
What inside would be warn causing it to do that the teeth or the skier linkage?
There's all sorts of things inside that could be the source. Other pieces of teeth, linkage, dry/worn gears, etc. Cause could be poor maintenance or just wear-n-tear.
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Unread 05-16-2013, 11:40 PM   #5
RamblingCJ
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When it slips out of gear, are you stopping and then trying to get it to go back into gear or are you immediately trying while moving?
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Unread 05-16-2013, 11:45 PM   #6
RamblingCJ
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Do a google search on the internals or search here for rebuilds. You'll see all the internals and give you a better idea.
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Unread 05-16-2013, 11:45 PM   #7
jodowii2
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No I stop put both tranny and transfer in neutral then try 2hi put in first let out of the clutch .....nothing then tranny back tk neutral and try 4hi and I can hear the front drive shaft turning but I'm not moving
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Unread 05-16-2013, 11:51 PM   #8
RamblingCJ
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Well that's good. I was afraid that you weren't doing that.


When it slips out of gear while moving, does the stick actually pop out of position or is it just gears clunking? I'm thinking its probably the shift rails. If its grinding, that is not good though.
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Unread 05-16-2013, 11:55 PM   #9
jodowii2
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It doesn't seem like the stick is movine I'm not usually looking at it when it happens and I have before held it back to hold it in gear and get moving
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Unread 05-16-2013, 11:57 PM   #10
RamblingCJ
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Unfortunately, you are going to have to open it up. A rebuild is probably something you might be looking at.

EDIT: Well if the stick is moving when it's popping out of gear, it might be the shift rails. If it is not moving, it's probably bad gears. Grinding is never good with gears. You really need to determine if its actually in gear. A bent shifter or loose linkage could be preventing it from fully engaging in gear. If its not in gear completely and popping out and then making grinding noise, it could very well just be linkage. If its in gear, not popping out of gear, and just grinding, it's probably bad gears.
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Unread 05-17-2013, 12:05 AM   #11
jodowii2
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I didn't think soo would it be cheaper to rebuild it or try and find a used one
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Unread 05-17-2013, 12:07 AM   #12
RamblingCJ
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Quote:
Originally Posted by jodowii2
I didn't think soo would it be cheaper to rebuild it or try and find a used one
Depends on the condition of the used, but a used will be cheaper unless you do it yourself. Personally, I'd rebuild and then you have a like-new possibly warrantied transfer case.
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Unread 05-17-2013, 12:11 AM   #13
RamblingCJ
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People having the Dana 300 pop out of 4L is not uncommon, but 2H not really. With bad linkage/shift rails/indents....
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Unread 05-17-2013, 12:18 AM   #14
jodowii2
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Well o will prolly rebuild it is there anumy complete kits? Kinda new to the jeep world don't know what's out there and different gear sets? For a lower 4lo ?
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Unread 05-17-2013, 12:26 AM   #15
RamblingCJ
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Yup, there's all kinds of rebuilds. Look at Novak Customs for great descriptions as well as kits. You can also ship yours to them and they'll rebuild it to your specifications. Terra-low kit lowers gears. But it's really overkill unless you plan on doing some rock crawling.
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