LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

T56 removal, installation (with new clutch)

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Old Jul 22, 2003 | 09:10 AM
  #16  
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Originally posted by NVetro
Lets hope, should i buy a tranny jack or should I i just hold the tranny on a jack with a peice of wood?
Jack and a peice of wood will work with someones help to balance it.



do i need air tools to get the flywheel bolts off?
No, 3/4" drive though. Breaker Bar would be even easier. You should torque the bolts back on so use that same torque wrench to break them loose, that works too.
Old Jul 22, 2003 | 09:14 AM
  #17  
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The T56 weighs 120# wet. I've found a tranny jack helps... or at least a strong friend.
Old Jul 22, 2003 | 09:22 AM
  #18  
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Another qestion i had, sorry, trying to ge them all out of the way before this weekend :-) First thing i see is you gotta remove the tq arm and drive shaft, i will prob just remove it from the trans end insted of both ends (this possible) Also i remeber vaugly in autoshop in high school we used to wrap the yoke with white tape, why did we do this? Keep the ***** or oil from getting out? Also I am REALY unsure about how to put the fork back on, the guides i have read helped abit but i am still confused. Also one last thing, i read somewhere about putting fluid back into the trans to compensate for the amount that was lost and put it through the tranny shifter, can anyone explain this? or have any pics? Thanks ALOT all, you guys are SO helpfull
Old Jul 22, 2003 | 09:32 AM
  #19  
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i will prob just remove it from the trans end insted of both ends (this possible)
Not possible, you have to remove the straps holding the ujoints to the yolk on the pinion. Mark the ujoints and the yolk so they go back together the same. You can tape around the ujoints to keep the caps from falling off. Then the shaft slides out the back of the trans, may want to try leaving it in. I have read posts saying to leave it in so you dont loose fluid out the back and make a mess.

Craig
Old Jul 22, 2003 | 09:37 AM
  #20  
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Thanks Craig, but i have to literaly take the diff end and trans end of the drive shaft out? Also what fluid will i be loosing and form where? Thanks bro :-)
Old Jul 22, 2003 | 09:41 AM
  #21  
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4 bolts on the pinion, then at the trans, its a slip yolk so it will just slide out. No bolts there, may need a little "convincing" to get it to start sliding but it will. You will loose some fluid where the yolk came out. Now i read a info page once that said leave the drive shaft in the back of the trans so you dont loose any fluid but not sure if that will work or not.

Craig
Old Jul 22, 2003 | 10:05 AM
  #22  
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So you take the drive shaft off the trans side by popin the yoke off and putting it back on when its off temporily so i dont loose fluid? Both sides (trans and diff) or can i get away with just taking it off the trans and letting it be off to the side? on a stand
Old Jul 22, 2003 | 10:31 AM
  #23  
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haha.. Disconnect the drive shaft at the differential, the axle. Push the end (axle end) in toward the trans, it will slide into the trans and the axle end will be free.. Try and remove the trans with it like that.. If that doesnt work then just pull the shaft out of the back of the trans. Its a slip yolk so it will just pull out, no bolt no nothing, just slides out of the back of the trans.
Old Jul 22, 2003 | 10:41 AM
  #24  
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ok got it :-)
Old Jul 22, 2003 | 11:09 AM
  #25  
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Do i have to fill my trans with any fluid while it is out? and if so where, and what kind.
Old Jul 22, 2003 | 11:17 AM
  #26  
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It can not be emphasized too strongly.... if you haven't done anything like this, get a cheapo shop manual - I like the Chiltons for the 4th Gen F-Body - and it will more than pay for the less-than-$20 cost. It will cover the basics, like what needs to be removed, how to remove, etc. Then get the labor-saver hints here.

If you tilt the tranny down - and you will to pull it out of the bell housing/clutch - the fluid will leak out of the rear seal on the output shaft. I've taken the neck off a plastic coke bottle and cut it so it pushes into the housing around the output shaft and then duct taped it. That will keep fluid loss to a minimum, and avoid the interference of the driveshaft hanging out the back of the tranny.

The clutch fork is relatively easy. Grab it, and pull it out radially from the T/O bearing. It is held to the front of the tranny with a spring clip, so it will stay with the tranny. Putting it back on is just a matter of making sure you get it on the T/O bearing and pushing it back in until it seats.

The top bolts on the tranny are hard to get to. I found that if you can tilt the tranny down, get about 30" of extensions on the ratchet, and go at it from iniside the car. Reach through the shifter hole in the floor, and have someone under the car guide the socket onto the bolt.

Filling the tranny back up through the shifter opening on top makes it a lot easier than trying to put it in the fill hole on the side of the tranny. You still need someone under the car with their finger in the hole to tell you when its full.

Driver's side view of T56

Front view of tranny, showing bolt locations and fork
Old Jul 22, 2003 | 12:04 PM
  #27  
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Injuneer great pics, thanks. I assume on the side fill area I should top that off? If so, with what fluid. dot 3 brake or something? ummm..lemme see what else, DOES ANYONE have the part number for the heavy duty fork i can get that is alittle better then stock? Thanks alot all you all have been so much help!
Old Jul 22, 2003 | 12:15 PM
  #28  
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You pour the fluid in from the top of the tranny, through the hole where the shifter would mount. You only need someone under the car to tell you when the fluid level is at the bottom of the fill hole. Unless someone has changed the fluid, you have Dexron III automatic tranny fluid in it, and that's what you need to add to top it off. This might be a good time to go to a synthetic tranny fluid if you are so inclined.

Not sure about a heavy duty fork... my stocker held up fine to a Street Twin clutch and 800HP.
Old Jul 22, 2003 | 12:27 PM
  #29  
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A few more things. Frist, follow Injuneer's advice and pick up a Chilton's or Haynes manual. Second, matchmark the driveshaft before you remove it to preserve the balance!! The DS is balanced on the vehicle. Third, I have heard bad things about synthetic trans fluid in the T56. The synchros work on friction, and synth. fluid is too slippery.
Old Jul 22, 2003 | 12:53 PM
  #30  
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hmmm...ok i will put dex III in there. As for takin the tranny out, i am squared away. How high do you think i should jack the car up (floor to bottom of tires)? I was thinking getting cinder blocks and putting jacks on them, but then agian, i dont want it to high, hehe. As for pooring the fluid in, is there a hole to poor it in? or just dump it into the square hole thats there when you take the shifter out? I also assume you have the fill nut on the side off and when it spills out, then its full? Anyone have an issue using 3/8 drive to take off the flywheel bolts and having the motor turn?



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