t56 help
Do you mean that you can move the input shaft up and down when the transmission is horizontal (running position)? If so this is normal. The pilot bearing holds the input shaft in position while running.
BTW: You can download the T56 service manual from the Tremec web site for information on how to disassemble/assemble the tranny.
BTW: You can download the T56 service manual from the Tremec web site for information on how to disassemble/assemble the tranny.
to get the input shaft out, you would have to take the trans out, take the extension housing/internals out, and take main case off. then remove the countershaft and pull the main shaft and forks out. then you can pull the input shaft out of the front plate. there is a writeup on here for trans disassembly... or check this writeup on ls2.com..
http://www.ls2.com/forums/showthread...&threadid=1877
i wouldnt expect any play in the input shaft, mine had none in any direction.
http://www.ls2.com/forums/showthread...&threadid=1877
i wouldnt expect any play in the input shaft, mine had none in any direction.
well since my trans had never been apart before i installed new synchros, and all the bearings looked very good, i would say no play is the way they should be. if there is play the front seal is going to distort and leak.
should the tailshaft have play as well? how about the pinion yoke on the rearend? i think not.
should the tailshaft have play as well? how about the pinion yoke on the rearend? i think not.
Not looking to argue. I'm just telling you what every shop that I have ever asked this question to has answered. It's no just an impression that I have come up with.
Again just call someone that does makes their living of doing. Either D&D or Tick would be a good start.
The mainshaft has a bushing in the extension housing that serves to hold the shaft in place. The same function that the pilot bearing serves on the front end og things. Therefore, Little deflection in the mainshaft.
Again just call someone that does makes their living of doing. Either D&D or Tick would be a good start.
The mainshaft has a bushing in the extension housing that serves to hold the shaft in place. The same function that the pilot bearing serves on the front end og things. Therefore, Little deflection in the mainshaft.
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Verdad Gallardo im not trying to arguing either. i just think an input shaft with "a good amount" of play is not the way they are supposed to be. spec on mainshaft endplay is .000-.002" which would not allow much if any play in the bearings.
jameso1985: there is a tapered roller bearing in the front plate and there is a tapered roller bearing inside the input shaft that the mainshaft sits into. then there is another tapered roller bearing on the mainshaft at the back of the main case. the mainshaft and input shaft are fully supported. how much up and down play is there?
this is an interesting topic...hope some rebuilders chime in for more info.
jameso1985: there is a tapered roller bearing in the front plate and there is a tapered roller bearing inside the input shaft that the mainshaft sits into. then there is another tapered roller bearing on the mainshaft at the back of the main case. the mainshaft and input shaft are fully supported. how much up and down play is there?
this is an interesting topic...hope some rebuilders chime in for more info.
im not trying to arguing either. i just think an input shaft with "a good amount" of play is not the way they are supposed to be. spec on mainshaft endplay is .000-.002" which would not allow much if any play in the bearings.
jameso1985: there is a tapered roller bearing in the front plate and there is a tapered roller bearing inside the input shaft that the mainshaft sits into. then there is another tapered roller bearing on the mainshaft at the back of the main case. the mainshaft and input shaft are fully supported. how much up and down play is there?
this is an interesting topic...hope some rebuilders chime in for more info.
jameso1985: there is a tapered roller bearing in the front plate and there is a tapered roller bearing inside the input shaft that the mainshaft sits into. then there is another tapered roller bearing on the mainshaft at the back of the main case. the mainshaft and input shaft are fully supported. how much up and down play is there?
this is an interesting topic...hope some rebuilders chime in for more info.
The T56 mainshaft length and support bearings preclude the output from moving as much as most automatics, for example. But, the slip yoke bushing in the tailhousing is again there for the reason of acting to minimize lateral play.
The question is still: How much is a "good amount" of play? 1/8" up and down? More? Less? If lateral movement is only .010" then sure, I can believe thats possible, but .010 is not a "good amount" of play to me.
??
The things that do need done are the verification that the bearings are in good operating condition (or replacement) while the trans. is apart and the endplay verified or set properly. And a new pilot bushing or bearing.
Im not asking for spec, I'm asking approximately how much movement there is. Anyone who can R&R a trans should be able to distinguish between .010" and .125" play. And this lateral movement would be measurable since it depends on the tapered roller bearing preload.
Then you should start up your own thread and take a poll. No sarcasm intended.
The person who started the thread should chime in and say how much it moves. It would take 2 minutes to get an approximate measurement and it would be helpful to anyone with same issue/question.
