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Help Identify A 10mm Bolt Missing Its Hole...

01Blackgtp

01Blackgtp

New member
The entire front of this car has been disassembled transmission/starter/radiator/entire front suspension and brakes, and now reassembled. None of us can identify a lone bolt discovered under my bolt organizer tray. Egr is off and staying off but I don't think it's a bolt from that.

Appears to be some factory locktite applied to only the side showing in the picture. Overall a pretty clean bolt so I know its nothing from the LIM removal.

Anyone have any ideas?

p.s. this is why you write down where bolts came from too.

Key for scale.
Bolt.jpg
 


Doesn't look like locktite, but more like teflon tape. That looks like the bolt that holds the pulley onto the tensioner. But you'd know if you were missing that.
 
When you say 10mm, is that the head size or bolt size?

White is typically the color of factory teflon. Which you'd only find in a coolant jacket. The shoulder of the bolt makes it not a LIM bolt w/o question. Possible places you'd find this bolt are holding the passenger side engine mount into the head, maybe the SC belt tensioner held to the block. But the shoulder looks more engine mount than tensioner. or.. a timing cover bolt right below the outlet for the radiator hose and the other side at that same level on the engine.
 
10mm head size. Timing cover wasn't removed, cradle was lowered on he drivers side and the transmission came out through that side. Belts and tensioners are all on and right so its from somewhere on the drivers side of the motor more than likely.
 
I'm thinking.. and now that you've narrowed the area, that helps.

What year is the car? I'd have to say.. that looks like a caliper bolt. They aren't 10mm heads though.
 


There aren't many 10mm shouldered bolts in the engine bay. Is there a chance you guys found a bolt laying on the subframe etc and put it into the bin? I have seen this happen before.

Hey.. I just figured it out. Check that head size with an actual socket. It's 11mm isn't it. :th_king-evil:
 
Logan... You never saw the threads I put up when I got bored? Stump BillBoost, literally asked people to post bolts and I'd tell them where they went. It's something you do after...you've worked on a platform too much.

I finally got my head off the motor/trans and thought about how someone may have done this differently that I would.

If that's the bolt I believe it to be.. he left the rack on the subframe when he lowered it.
 


I bet I threaded one of the 2 bolts from the removed EGR into the ISS. So if I tear apart my garage ill find that there is another extra bolt that matches the wrong one in the steering shaft.
 
if you put another bolt in that spot just check that its tight and not spinning free. if you made it go in aka stripped it, your best just leaving that bolt in there, the 11 mm head bolt may not work any more if the threads were different.

match it up to the egr bolt you have. see if the threads look the same.
 
If I stripped it ill replace the assembly. The mystery bolt threads into where the egr came out so I doubt anything stripped.
 


Thank you...thank you.. I'm here all week! :th_jester:

See.. you didn't use BillBoost procedure, then misled us on the bolt size. Aaaaaand we still figured it out!
 
Glad to show you the 3800 trivia that occurs from dealing with too much stuff. lol

A guy once posted a wiring harness laid out on the ground. Took close up pictures of each connector and labeled them A-whatever. That one was fun, and simple, too much work I say
 
Thankfully I only had one mystery bolt, with how bad the car looked a month ago and with 5 guys working on it on the weekends only I honestly expected many more extra parts.:th_laugh-lol2:
 
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