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Discussion Starter · #1 ·
I got my blown Si tranny for parts for my hybrid this weekend, picked up the ZC today.

The case bolts are out, and I pulled the plug at the end of the tranny, but the snap ring that's supposed to be there looks like it's shattered. I have the ZC for reference, so I know what it's supposed to look like (still, even without that I know there shouldn't be metal pieces in there). How can I get them apart now? I was thinking of just cutting the case with a torch, it's junk to me anyway.
Apparently, I only need the ring gear and the countershaft from the Si tranny, but I don't know what those look like. I've never had a tranny apart. I would like to keep my Si axles too, can I just use the whole diff from the Si? If not I can make some hybrid ones, I just don't want to go searching for an intermediate shaft and buy new axles.
I'm going to try to get this done tomorrow, I should be tearing it all down in the late morning/early afternoon, and taking the case to the sandblaster right after that.
 

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Maybe take the interlock bolt out from the clutch side of the tranny (hex head bolt). You should be able to pull the case apart with the counter shaft still attached to the top of the case (where the snap ring is). You can then fiddle around with it from the inside and outside to break it loose
 

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It's by the input shaft on the case. Hex head. You can't miss it.

Oh, and if you're going to get the case sandblasted, be sure to remove all the bearings and seals. You don't want them getting contaminated with sand.
 

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Discussion Starter · #5 ·
I ended up taking a vertical mill to it to free the bearing at the end of the mainshaft, it was wedged sideways. I have the Si tranny apart, I'm stripping down the lower case to blast with the upper from the ZC tomorrow, so I can basically transfer over everything to the clean one. The Si diff was messed up. First off, one of the bolts holding the ring gear was welded in, because it was stripped out (someone didn't reverse thread it). Impact took it right out, broke the bolt. Also everything in the Si case is full of metal shavings from the mill.

Stick, I'm going to have a nicer looking one than yours :shock:
 

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Discussion Starter · #7 ·
Well you win, the lower case I blasted I ended up not using, since it was orginally a DX tranny and wouldn't take the bearings. I assembled it, cleaned it with degreaser, and went nuts with a wire wheel on it. I've been a little lazy to paint it, I need axles before I can install the thing.
 
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