Manual Transmission T56 | T5 | MN12 | Clutches | Hydraulics | Shifters

Is the maincase trashed?

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Old 04-27-2010, 06:29 PM
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Default Is the maincase trashed?

I just tore down a t56. I believe it broke a snap ring and took out the 5-6 gear and countershaft. The car was driven home and i believe that is when the gear started to grind on the inside of the maincase.

If it is trashed then who has a spare one? I also need both a 1-4 and 5-6 countershafts.
Attached Thumbnails Is the maincase trashed?-photo33.jpg   Is the maincase trashed?-photo333.jpg  
Old 04-27-2010, 07:06 PM
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Looks to me like they left the spacer out that rides between the main cluster gear and the extension section of the gear.
Old 04-27-2010, 07:39 PM
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Stock transmission with about 25k on it. Spacer was there just smushed from where it was driven after the snapring broke.
Old 04-27-2010, 07:57 PM
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So the snap ring that holds the 5-6 syncro assembly was broken? Did it wipe out the hub of the syncro assembly or the face of the 6th gear where it faces the hub? No damage to the 5-6 shift fork?
Old 04-27-2010, 08:43 PM
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The fork looks good and the ends of the countershaft and extension shaft are trashed but other than spots to where there needle bearings got caught in the gears they look good. Both caged needle bearings are located on the magnets and the bearing on top of the countershaft was torn into pieces.(this is just my best guess to what happened)




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