C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Please confirm bolt size for intermediate shaft

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Old Sep 15, 2017 | 10:39 AM
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Default Please confirm bolt size for intermediate shaft

I lost the bottom bolt for the intermediate steering shaft. I used the search to find some info that report it being m10x1.5x31. This is the bolt that clamps the intermediate shaft to the gearbox shaft. Can anyone please confirm it, and hopefully I can find one locally.
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Old Sep 15, 2017 | 12:42 PM
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Originally Posted by BrainDrainin
I lost the bottom bolt for the intermediate steering shaft. I used the search to find some info that report it being m10x1.5x31. This is the bolt that clamps the intermediate shaft to the gearbox shaft. Can anyone please confirm it, and hopefully I can find one locally.
The M10 X 1.5 is correct and the 31 length is correct BUT the bolt had a "length specific shoulder" I believe. Will a conventional suffice? Maybe - I believe I've seen this current GM # mentioned somewhere as a replacement. Try the dealer to see orig# 26005756 and the newer GM# 11610555 might work. Many dealers might have the newer actually on the shelf. I believe it actually does C5 & C6 also maybe and many other GMs. Looks cheap enough at the dealer if it does work. You definitely want a "flange head"
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Old Sep 15, 2017 | 01:58 PM
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Originally Posted by WVZR-1
The M10 X 1.5 is correct and the 31 length is correct BUT the bolt had a "length specific shoulder" I believe. Will a conventional suffice? Maybe - I believe I've seen this current GM # mentioned somewhere as a replacement. Try the dealer to see orig# 26005756 and the newer GM# 11610555 might work. Many dealers might have the newer actually on the shelf. I believe it actually does C5 & C6 also maybe and many other GMs. Looks cheap enough at the dealer if it does work. You definitely want a "flange head"
awesome thanks, didn't think to ask the dealer, I was think about taking a longer bolt, 40mm and cutting it to 31. I saw that 40mm bolt had longer shanks that look close to the length of the orig. I'm going to call the dealer first.
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Old Sep 15, 2017 | 10:52 PM
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I would go to a pick n pull style salvage yard. I never lost one to have to find one, but they all seem to be the same on the rack end.
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