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post #1 of (permalink) Old 09-10-2000, 03:53 PM Thread Starter
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Dana 18 / drivetrain grabbing?? Help!!

I just pulled the inspection cover off my Dana 18 transfercase and everything seems fine. There are no metal shavings. I have the full floater rear kit so i unlocked everything and spun it and i could not hear any bad noises. There is some play, but i don't know how much is bad. I can wiggle the larger gear on the passenger side about less than 1/4 inch of play. everything looks clean. The gears are fine looking, but i can't see the bearings.

If it is not the transfercase, what could be a cause of the driveline "grab" when i drive down the road. Like i said in an earlier post it is not an engine problem. There was also a whine like a belt was loose for a little bit when i was driving. It comes back if i go faster. The tranny shifts properly and doesn't seem to be a problem.
Is there any suggestions of what else to look for. I want to get my jeep back on the road, Not on jack stands in the backyard.
Thanks for all the help
Dan Stewart 1963 CJ5 "Caloosa Jeepers" member

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post #2 of (permalink) Old 09-10-2000, 04:20 PM
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Re: Dana 18 / drivetrain grabbing?? Help!!

that sounds like a bearing... but it's hard to say.... ummmm... i dunno.....see if anything is getting hot when you drive it.....check the pinion bearing....

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post #3 of (permalink) Old 09-10-2000, 04:23 PM
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Re: Dana 18 / drivetrain grabbing?? Help!!

DanStew-

Second thought here- Is the fluid OK in the tranny? I saw a tranny that was low on fluid and starting to freeze up "catch" while driving. Not to long later the gears were welded to the shaft. Just a thought.

Kriss

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post #4 of (permalink) Old 09-10-2000, 06:13 PM Thread Starter
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Re: Dana 18 / drivetrain grabbing?? Help!!

I just finished pulling stuff off in preparation of yanking out the tranny/t-case. The tranny had oil in it. I noticed that there is a bearing grind coming from the forward bearing. I put the case in neutral and noticed this sound. Anyway i am going to pull everything out and take a look, also gives me a chance to put in a new speedo gear so i can actually see how slow i am going [img]/wwwthreads_images/icons/crazy.gif[/img].

Another question i have is if i take off the emergency brake from the transfercase and ditch it, do i have to make a spacer to compensate for the drum brake unit??

I also noticed another good thing about the warn full floater kit. You can unlock the rear hubs to rotate the shaft to see the gears move, and to move the shaft around when undoing the bolts that hold the driveshaft to the flange.
Thanks for the help guys

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post #5 of (permalink) Old 09-10-2000, 07:29 PM
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Re: Dana 18 / drivetrain grabbing?? Help!!

Sounds like the front bearing is the probable culprit. I think that you are doing the right thing by taking the boxes out for a look.

I have never removed the e-brake from a D18 but my books show the expanded view without the e-brake.

Good Luck!
Kriss

post #6 of (permalink) Old 09-11-2000, 12:10 PM
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Re: Dana 18 / drivetrain grabbing?? Help!!

As long as you use the same transfercase output housing and output flange you don't have to make a
spacer. If you look close you will see that the drum for the e-brake is behind the flange. You can
simply remove the drum, backing plate, etc. while you have the rear drive flange off and not have
to change anything else. Nickmil.

post #7 of (permalink) Old 09-11-2000, 01:50 PM Thread Starter
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Re: Dana 18 / drivetrain grabbing?? Help!!

Thanks for the help guys. I should have the jeep up and running in a week or two, Finances keep me from doing it right away. I just got a boat and now i can use the old emergency drum brake as an anchor [img]/wwwthreads_images/icons/smile.gif[/img]

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