3 speed trans help!!
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New User
Joined: Mar 2013
Posts: 15
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From: Scottdale
3 speed trans help!!
I was putting a gasket kit on the rear tail shaft housing and when i pulled the housing off it pull the shaft a little bit. Now the trans won't spin and i cant seem to get the bearing or whatever its called seated all the way in. seems to be catching near the input shaft. Please excuse my stupidity I'm new to the trans stuff. Do i need to pull the whole thing apart and put it back together or is it something simple I'm missing?
67 f100 w/ 352. RAB trans from a 77 f100 i believe
67 f100 w/ 352. RAB trans from a 77 f100 i believe
Last edited by MakinHotRods; Jun 8, 2015 at 09:05 PM. Reason: missed info
Senior User
Joined: Sep 2009
Posts: 474
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From: Central Wisconsin
Idiot. Just kidding. I did the same thing last year.
What happens is that you pull on the output shaft and it slides the whole thing backwards and you end up pulling the input shaft back just enough for it to fall down about an 1/8". Also look in the bottom of the case. Any of the needle bearings fall out?
To get it back together, I took it to a buddy of mine who is a mechanic. We used high temp grease to hold all of the needle bearings in place, then pushed the output shaft up into them. Then put the input shaft cover back on. With all of that heavy steel, you have to be pretty gentle to get it back just right. No problems ever since.
What happens is that you pull on the output shaft and it slides the whole thing backwards and you end up pulling the input shaft back just enough for it to fall down about an 1/8". Also look in the bottom of the case. Any of the needle bearings fall out?
To get it back together, I took it to a buddy of mine who is a mechanic. We used high temp grease to hold all of the needle bearings in place, then pushed the output shaft up into them. Then put the input shaft cover back on. With all of that heavy steel, you have to be pretty gentle to get it back just right. No problems ever since.
Lead Driver
Joined: Jan 2003
Posts: 9,893
Likes: 12
From: Ohio
Likely the three dogs that engage the 3rd gear brass are not lined up with the notches. Remove/or loosen the tailhousing and then gently rotate the input/output in different directions. That should then allow the dogs to find the notches. It should then fall together.
Or the nose of the output could have fallen out of the pocket? Then you still have to pull it down to repack the rollers and put it together like DD mentioned.
Or the nose of the output could have fallen out of the pocket? Then you still have to pull it down to repack the rollers and put it together like DD mentioned.
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