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Old 05-18-2017, 07:12 AM   #1
GTO44
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Tailshaft Removal

How hard is it to remove the tailshaft of the t-56 while the trans is still in the car? Any tips?
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Old 05-18-2017, 07:25 AM   #2
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Never did it while in the car. The tail housing unbolts and slides off, after removing the shifter and driveshaft, of course. May have to drop the trans down some. Use RTV to seal the housing back onto the trans when reinstalling.
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Old 05-18-2017, 11:21 AM   #3
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Not hard at all. Support the trans, remove the crossmember, lower the trans a little.

Use a loooong extension to get to the top bolts.

When putting it on don't force it. It should go all the way on (or very close to it) without using the bolts to suck it up.

And you'll have to insert a screwdriver or something to lift one of the shafts into position just before it slips all the way on (lower right, 5th gear I think). The shaft slips right in, there just isn't enough room for your fingers.

That's all I remember at the moment. I'm sure you can Google a write-up.
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Old 05-19-2017, 08:15 AM   #4
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Thanks guys, will be tackling next week.
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Old 05-19-2017, 11:55 AM   #5
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Oh last thing...

I'm assuming I have to take the end of the shift rod off to slide the tailshaft off. Does this pin just tap out?



Also if I take the tailshaft off with the trans still in the car, I'll be able to get it back in/on correct? I've read a couple things that said it's really hard to get it back on with the trans in the car because of the countershaft extension dropping out.

Goal is to remove the tailshaft and bring it to a trans shop to have a new tailshaft bushing pressed in with a new seal.
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Old 05-19-2017, 04:31 PM   #6
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yes, you have to use a punch to get that pin out. i like to use a little loctite on it when reinstalling it.
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Old 05-19-2017, 06:11 PM   #7
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If you drop the tranny a little bit its not hard. The coutershaft is what I was talking about. You have to lift it back into position before the housing will go all the way on.
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Old 05-19-2017, 09:12 PM   #8
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Curious what's the noise or issue? How'd ya surmise that particular bushing needs fixin? Mostly because I get a weird noise on the 1st and 2nd gears that sounds like a faint water fall sound, yeah that's actually the best description I have for it at the moment.
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Old 05-20-2017, 07:30 AM   #9
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Quote:
Originally Posted by joshcarl...View Post
yes, you have to use a punch to get that pin out. i like to use a little loctite on it when reinstalling it.

perfect

Quote:
Originally Posted by GotTogO...View Post
If you drop the tranny a little bit its not hard. The coutershaft is what I was talking about. You have to lift it back into position before the housing will go all the way on.

gotcha thank you

Quote:
Originally Posted by HMBLGOAT...View Post
Curious what's the noise or issue? How'd ya surmise that particular bushing needs fixin? Mostly because I get a weird noise on the 1st and 2nd gears that sounds like a faint water fall sound, yeah that's actually the best description I have for it at the moment.

My tailshaft seal is leaking and there's an excessive amount of play in the tailshaft when moving the driveshaft around by the yoke. Used to be tight. I'm getting more vibration from the driveshaft now and I don't want to tear anything up. I just took the goat to a drive line / driveshaft shop to measure the pinion angles to get rid of the vibration. They said the angles were good, it was the excessive play in the tailshaft causing the vibration.

Here's a quick clip of the play. You can also see the wetness around seal and back of trans, and where it's been leaking on to the exhaust:
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Old 05-21-2017, 05:44 AM   #10
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Mine is similar, but I only get a little leaking under power, just enough to hit the exhaust and smell.
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Old 05-21-2017, 02:52 PM   #11
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O I C
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