# Manifold Bolts rattle loose!!!!

**URL:** <https://forums.speedlife.net/t/manifold-bolts-rattle-loose/109041>\
**Category:** SON240sx Automotive\
**Created:** [August 30, 2007, 11:57pm UTC](https://forums.speedlife.net/t/manifold-bolts-rattle-loose/109041 "2007-08-30T23:57:32Z")\
**Posts on this page:** 1\
**Showing post:** 16

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**Author:** ![roast](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/roast/32/5498_2.png) [@roast](https://forums.speedlife.net/u/roast)\
**Post date:** [September 2, 2007, 8:03am UTC](https://forums.speedlife.net/t/manifold-bolts-rattle-loose/109041/16 "2007-09-02T08:03:28Z")

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> [@ohh hell yeah](https://forums.speedlife.net/t/ohh-hell-yeah/13905/2):
>
> since lock washers deform with heat, and the nylon melts out of nylocks. Try top lock nuts. I had really good success with these. They are a type of nut that is a bit deformed at the top to hold the threads, i found they are the only thing not affected by heat.

I’ve also seen people use two nuts… Don’t know if this is a good solution but it may work.

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