got a 90 hatchback civic si all stock and I believe this bolt flew off of it while i was driving it the other day and dont know where it came from. It was hot and had oil on it. I am thinking engine or tranny mount bolt. Help would be greatly appreciated!

 

alternator

 

^^^^^
yup, looks like the alternator belt.

 

100%, no other like it. bottom alternator bolt.

you lost the nut that held it in place too.

 

thanks guys! makes sense is pretty unique, will go looking for the nut tomorrow

 

^ what they said

 

Flew off while you were driving, and you are gonna go look for the nut? OK. Hopefully you are gonna go look at the dealer.

How does your belt even stay on?

 

lol I Hope That Never Happens To My pos

 

yea looks like the botton alternator bolt

 

that happend to my roomates car during autocross. forgot to put the nut back on and during a run he said he heard a cluck, ping, ding sound from under the car. corner worker saw it at gave it back to us. surprisingly the bracket is pretty tight fit for the alt and it didnt budge. bolt slipped right back in when we got home. threw the nut back in and torqued it. honda makes amazing parts... all i gotta say.

 

That's why you always keep zip ties around for emergencies.

 

Honda makes some magical parts TBH.
My steering knuckle on my CRX Si got bent up when I hit the curb...
The mechanic who replaced it said it's a miracle it didn't break. It just bent a lot, and I was still able to drive it.

 

bottom alt