T176 and Dana 300 Build - JeepForum.com
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post #1 of 16 Old 08-31-2008, 07:53 AM Thread Starter
jcal73
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T176 and Dana 300 Build

Well the time has come to drop the T176 and Dana 300 out of my little 5 to install a new clutch set. while I have them out I'm going to rebuild/reseal the 176 and 300.
I have been reading up on them in my FSM, looks fairly straight forward, I was just looking for any tips or guidance that the guru's might have. I'm going to try to take pics of the complete process as I can't find a bunch of info on the project. For now I have to wait on UPS to deliver the tranny jack so I plan to start in a couple of days.
Thanks in advance,
Jeff

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post #2 of 16 Old 08-31-2008, 10:43 AM
Bard
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Here is a pretty good write up I found a while back. John Strenk has done this enough and might be able to chirp in as well. the Dana 300 is straight forward for the seals, just use an impact gun to get the yokes off.

http://webpages.acs.ttu.edu/jbasinge/t-176.pdf

And if anyone has a good T176/Dana 300 combo for sale, let me know, need one and they aren't around in the NE area like they use to be.

85' CJ7 Laredo, 383 GM, Turbo 350, NP 203. SOA, 2" frame lift, 34" TSL swampers, Dana 30 open, AMC 20 w/ detroit locker, 4:10's, 1 Piece Mosers, 35" boggers to abuse when needed.
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post #3 of 16 Old 08-31-2008, 11:23 AM Thread Starter
jcal73
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Well, I actually said it backwards, I'm going to re-seal the T176 and rebuild the 300, Thanks for the good PDF !
Jeff
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post #4 of 16 Old 08-31-2008, 11:44 AM
gmakra
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The Novak rebuild kit comes with some pretty decent instructions also.
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post #5 of 16 Old 08-31-2008, 03:14 PM Thread Starter
jcal73
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I've already got my parts, Thanks
jeff
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post #6 of 16 Old 09-01-2008, 06:54 PM
John Strenk
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When you have the t-176 out, check your input bearing and output shaft. Might as well replace them if you have the tranny out. I've seen some ugly output shafts also. I got tons of pictures from my T-176 rebuild. I might have to put them all together someday.
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post #7 of 16 Old 09-01-2008, 07:00 PM Thread Starter
jcal73
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Quote:
Originally Posted by John Strenk View Post
When you have the t-176 out, check your input bearing and output shaft. Might as well replace them if you have the tranny out. I've seen some ugly output shafts also. I got tons of pictures from my T-176 rebuild. I might have to put them all together someday.
Thanks, what do I need to look for on the output shaft?
I'm gonna start on it Wed. My tranny jack is supposed to be in Tues. I'm going to try to take lots of pics and document it all during the process.
Thanks Again,
Jeff
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post #8 of 16 Old 09-01-2008, 09:07 PM
yellow85cj
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Here's what you need to look for on the output shaft. The splines should be the same width from one end to another, not "cupped" if that be the proper term.
You may be able to see it better on this link and enlarge.
http://picasaweb.google.com/85Yellow...50627123099330
Here is another one that is not so bad, but was replaced. (again enlarge)
http://picasaweb.google.com/85Yellow...26849438004850
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post #9 of 16 Old 09-02-2008, 05:21 AM
John Strenk
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Quote:
Originally Posted by jcal73 View Post
Thanks, what do I need to look for on the output shaft?
I'm gonna start on it Wed. My tranny jack is supposed to be in Tues. I'm going to try to take lots of pics and document it all during the process.
Thanks Again,
Jeff
Are you going to tear down the T-176 also?? You should invest in a pair of tranny snap ring pliers. There is just no way to put it back together without one.
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post #10 of 16 Old 09-02-2008, 06:08 AM Thread Starter
jcal73
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Quote:
Originally Posted by John Strenk View Post
Are you going to tear down the T-176 also?? You should invest in a pair of tranny snap ring pliers. There is just no way to put it back together without one.
I hope that I have the tools, do you mean the ones for internal rings that do not have holes in the ring? Thanks Yellow for the spline pics.

My Shop


Thanks so much,
Jeff
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post #11 of 16 Old 09-02-2008, 12:50 PM Thread Starter
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UPS Finally showed up.
Game On


Jeff
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post #12 of 16 Old 09-02-2008, 02:32 PM
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Not a whole lot to seals. Make sure you put the side with the spring facing inward. You can install a seal backwards...not that it will hurt or leak but you can easily loose your spring that way. Most seals have a coil spring that keeps the rubber tight or at least the good ones do. Did you actually have leaks?

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post #13 of 16 Old 09-02-2008, 02:52 PM Thread Starter
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Quote:
Originally Posted by jeepsr4ever View Post
Not a whole lot to seals. Make sure you put the side with the spring facing inward. You can install a seal backwards...not that it will hurt or leak but you can easily loose your spring that way. Most seals have a coil spring that keeps the rubber tight or at least the good ones do. Did you actually have leaks?
Tranny leaks at the shift cover, and the front output shaft on the 300 has over .010 of play due to a worn bearing. The PO had the front shaft out of phase and the front locking hubs were kind of dummied they would turn, but never unlock causing a vibration and the bearing wear.

Jeff
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post #14 of 16 Old 09-02-2008, 08:36 PM
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Here's what I used for the D300. Just ignore the flip kit and Tera low parts:

http://homepage.mac.com/rv6a/d300.html

And I have a PDF file for the T176 (T-177 in my case). Let me know if you need it and I can email it to you.

I had never rebuilt either before but neither one was too bad to do. I took my time and bought a 12 ton shop press which was a big help. I gutted them both and sandblasted everything. They are both sitting in the basement waiting for me to have some free time to do the swap. Hats off to John Strenk who stepped in when I got stuck.

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MINE: 1995 YJ/2.5L/115K/Completely Stock
MY DAD's: 1978 CJ7/ AMC 360 .030" over/ Motorcraft 2100/ Edelbrock Performer/ Proform HEI Ignition/ Hedman Headers with dual Flowmaster 40's/ Taurus Fan/ FK-35 Control/ Painless Harness/ Rebuilt T150 & Dana 20/ 4" Lift/ 31" Procomp Mud Terrains/ All Fiberglass. (SOLD)
MY BROTHER's: 1996 ZJ Limited/5.2L/117K & Completely Stock.(SOLD)
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post #15 of 16 Old 09-03-2008, 05:48 AM Thread Starter
jcal73
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Thanks,
Hope mine turns out like that.
Jeff
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