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Old 06-09-2024, 11:54 AM   #1
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Mystery bolts…

Found these under my 2018 this am. Can’t find the source. Ideas? Click image for larger version

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Old 06-09-2024, 12:29 PM   #2
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If they fell off your Sprinter, where did you find them?
Normally something like that will not travel far when dropped from a relatively short height, so if you can identify the proximity of your discovery it would help narrow down possibilities for others to contemplate.
If you can't see something obvious yourself, then I can only reference some shenanigans we used to play waaaay back in my youth - we'd throw some bolts or piece of a hose (occasionally a little fluid) under someone's car or bike (near the drivers door so they'd be 'obvious')...then monitor the reaction from a distance. We had some compassion, always came clean after a short time (and a good laugh).
Did the same with Christmas presents; bikes for the nieces and/or nephews I'd add extra nuts and bolts to the hardware package inside the box knowing their father would ultimately begin questioning his abilities when he had several left over.
Anyone in your family with these misguided traits???
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Old 06-09-2024, 01:24 PM   #3
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Those hold the crankcase together. Without them, the engine splits apart and the crankshaft falls out. (Just kidding.. I have no idea!) But the torx heads might be a clue. Probably only used in a few specific locations. Seats or seatbelts, maybe?
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Old 06-09-2024, 01:51 PM   #4
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Lots of torx bolts underneath. They were near the back but I back up to leave so could have come from anywhere. I’ll keep looking.
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Old 06-10-2024, 11:04 AM   #5
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Sprinter or Transit ? Exhaust manifold ? Hope not - report back -
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Old 06-10-2024, 12:31 PM   #6
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Felix - one of your pupils - cousins - old buddies - still playing tricks ??
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Old 06-11-2024, 06:26 AM   #7
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Originally Posted by N147JK View Post
Those hold the crankcase together. Without them, the engine splits apart and the crankshaft falls out. (Just kidding.. I have no idea!) But the torx heads might be a clue. Probably only used in a few specific locations. Seats or seatbelts, maybe?
Those are all over Mercs and other German makes.
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Old 06-11-2024, 04:00 PM   #8
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brake caliper bolts?
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Old 06-12-2024, 10:57 AM   #9
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I got the creeper and a flashlight and rolled around under my 2016. Is your van a 4wd?
If so, this strikes me as a strong possibility, suggest you check the bolts attaching both ends of the front driveline.





Look at your picture and the wear shown on the end of the bolts and then compare it to the third picture above that shows the flange the bolts thread into and I think you'll see why I draw this conclusion.

Let us know!
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Old 06-12-2024, 11:02 AM   #10
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Great "sleuthing" Fitz ! I'm thinking you nailed it based on photo's ! Hope "barrel47". checks this out before driving off into the sunset !?
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