t176 shift rail interlock springs no longer available - JeepForum.com
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Unread 03-12-2014, 12:51 PM   #1
glautrey1
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1981 CJ7 
 
Join Date: Jan 2013
Location: Kennesaw, GA
Posts: 27
I am currently building my cj7 from ground up. my t176 operates smoothly, but it used to pop out of 1st before the rebuild. while rebuilding engine (currently in progress) I decided to go over transmission to fix popping out of first. there are three springs in the cover that push on 3 ball bearings that lock the shift rails in place, the first/second one is worn out. I replaced the rail and the balls are available, but the springs are no longer available.

I was looking at a breakdown of a Dana 300 and noticed it has the same shift locking ball bearings as the T176 and was wondering if the Dana 300 springs would work or if close. I have called all places and Crown and the T176 ones are discontinued???

I was also thinking about swapping out the reverse and first/second springs and putting washers in housing to tighten up, but really hope dana 300 springs are a fit.


Last edited by glautrey1; 03-12-2014 at 07:19 PM..
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Unread 03-15-2014, 09:14 AM   #2
glautrey1
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Same diameter and height

the dana 300 ones are the same diameter and height as the t176 ones, they are available and are made of the same diameter spring steel as the t176 ones. I will just try them, I bought some for my dana 300 that just came in and got to compare them. they are available at Morris 4x4 and quadratec under the dana 300.
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Unread 03-17-2014, 06:54 PM   #3
agear
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Cool thsnks. Follow up how they work
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1984 jeep cj7, 258 I6, rebuilt T176,rebuilt Dana 300, amc 20 , dana 30, 4.10's Trac-lok in rear , 4.10's detroit soft locker in dana 30, 2.5 inch bds suspension lift, 1 inch polyurethan body mount lift. Line ex. weber carburetor. factory tach. factory clock ,oem replacement speedomter cluster, and oil pressure gauge, factory volt gauge.
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Unread 03-25-2014, 05:45 AM   #4
glautrey1
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I used the Dana 300 springs and everything works, it all seems really tight now, but I did change shift housing, all rails, retainer plates, springs (dana 300) and balls in the housing. It is probably like new, all old stuff was worn from 30+ years
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Unread 03-31-2014, 06:01 PM   #5
agear
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Cool,, I appreciate you taking the time to follow up
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1984 jeep cj7, 258 I6, rebuilt T176,rebuilt Dana 300, amc 20 , dana 30, 4.10's Trac-lok in rear , 4.10's detroit soft locker in dana 30, 2.5 inch bds suspension lift, 1 inch polyurethan body mount lift. Line ex. weber carburetor. factory tach. factory clock ,oem replacement speedomter cluster, and oil pressure gauge, factory volt gauge.
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Unread 01-22-2016, 05:21 AM   #6
jamesmaze54
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I followed this advice and when I received the new dana 300 springs they were about an 1/8" shorter than the 30 year old springs that were in there. So they are not the same.
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Unread 01-30-2016, 06:12 PM   #7
glautrey1
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actually, i measured with caliper, i measured the diameter of spring rod it was made from and overall length, the balls and recess were same also. im guessing there must be variable springs in different kits. the kit i purchased from Morris 4x4 was a crown kit, which is actually the original for most of those old jeep parts, but, i have had a set of those springs in mine from a dana 300 for years now. not to mention, take a look at the original jeep dealers part manual if you really want to know what is the same. that is how i knew the bearing was the same, i have both the factory service and parts manuals for most of those by year.
knowing that the originals are no longer made, you could be creative and put some small washers in the recess to take up the 1/8" difference, just a thought on a fix. any how, have fun with that.
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Unread 01-31-2016, 09:57 AM   #8
jamesmaze54
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I bought crown springs from morris also. I left it. I just figured I would put that here since I actually did it so someone else would know. I used it for the reverse rail. Didn't put anything in the bottom. It seems to shift alright still. I won find out if it pops out of gear until I get it in the jeep
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dana 300 , shifter cover plate , t176 , tranny problem

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