Input shaft seal, how do I get to it?


ecgreen

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How do I get to the input shaft seal on a mitsubishi 5-speed? I have the tranny out, but the seal is obviously behind that shiny circular thing (technical term lol) surrounding the input shaft. How do I get to it? remove the bell housing?
 


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ecgreen

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Here is a diagram, I think seal 5 is what is leaking. Looks like I'll take the bell housing off today and see what we got. I can't find any good pics on the forum, so I'll post up as I go.
 

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I think you need to remove the front bearing retainer plate and it should be right there.

I've never torn one of these down though, so I don't know exactly what's involved in getting there. I imagine the bell has to come off.
 

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Ok i got the bellhousing off, now the bearing plate needs to come off. She won't budge. Do you think the bell housing studs need to come off? If so how do I do it?
 

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Yes the studs need to be removed. Should also replace gasket in the process.
 

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Yes the studs need to be removed. Should also replace gasket in the process.
Thanks! Can I do this by putting two nuts on an wrenching on the bottom one? There seems to be no way to remove the studs otherwise.
 

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There are a couple kinds of stud extractors... that said... I've never seen one that doesn't damage the threads a bit. Be sure you run a thread chaser down the stud to smooth out the threads that will get damaged during removal.
 

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I always use two nuts tightened together to remove studs. I have never damaged threads or the stud doing this that I am aware of. I guess it could happen on a soft metal stud with hard nuts. It is a good idea to use the wrench on the inside nut that you will be using to unscrew the thread. Otherwise the hex on the two nuts may not be lined up and you will not be able to get the wrench off. That is if you are using a box wrench and I recommend using a box wrench.
 

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Use a stud removal tool. Any good parts store should have one.

Two nuts will work as well.
The only time I’ll use that style stud removal tool is when I’m replacing the stud... I’m not a fan of damaged threads.
 

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I haven't wrecked any, and I have that exact tool, but I've only used it a couple times and not on anything super tight. I'll defer to your experience.
 

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ecgreen

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Well I used the 2 nut method and got all but one out. She is stuck something fierce. No matter how tight I jam the nuts, the both turn left and if I hold the outer nut with a ratchet, shit dont budge. Tried some map gas heat, nothing. Need more leverage I think
 

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Use this style stud remover, it will engage the threads and not damaged them.

 


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