# Nuts vibrating loose on U bolts need suggestions?

**URL:** https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384
**Category:** Shift518 Automotive
**Created:** [February 17, 2010, 7:48am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384 "2010-02-17T07:48:26Z")
**Posts on this page:** 20
**Page:** 1

<div class="post-metadata">

### Author: ![SRS\_BZNS](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/srs_bzns/32/6375_2.png) [@SRS\_BZNS](https://forums.speedlife.net/u/SRS_BZNS)
#### Post date: [February 17, 2010, 7:48am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/1 "2010-02-17T07:48:26Z")

</div>

Ok so my GFs temporary car had the exhaust snap the otherday. Her day patched it up with a pipe and some pipe clamps. It was all nice and quiet for like a day.

Seems the nuts on the pipe clamps keep vibrating loose allowing exhaust leaks. I tightened them down good last night and they already loosened.

SO would thread locker work in this application cause that pipe is right off the header so it gets hot?

any other suggestions short of tack welding the nuts to the u bolt that are dirt cheap and i can just climb under and do quick?

---

<div class="post-metadata">

### Author: ![JClark](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jclark/32/6309_2.png) [@JClark](https://forums.speedlife.net/u/JClark)
#### Post date: [February 17, 2010, 7:53am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/2 "2010-02-17T07:53:07Z")

</div>

Lock nuts, lock washers, higher torque, high temp lock tite, etc…

---

<div class="post-metadata">

### Author: ![zee\_oh\_sex](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/zee_oh_sex/32/6451_2.png) [@zee\_oh\_sex](https://forums.speedlife.net/u/zee_oh_sex)
#### Post date: [February 17, 2010, 7:53am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/3 "2010-02-17T07:53:23Z")

</div>

they make a high temp thread lock

---

<div class="post-metadata">

### Author: ![SRS\_BZNS](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/srs_bzns/32/6375_2.png) [@SRS\_BZNS](https://forums.speedlife.net/u/SRS_BZNS)
#### Post date: [February 17, 2010, 8:01am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/4 "2010-02-17T08:01:31Z")

</div>

high temp lock tite it is.

the odd thing is they have lock washers on them.

Its a fucking honda. annoying tinny junk

---

<div class="post-metadata">

### Author: ![ninety1two40](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/ninety1two40/32/6332_2.png) [@ninety1two40](https://forums.speedlife.net/u/ninety1two40)
#### Post date: [February 17, 2010, 8:02am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/5 "2010-02-17T08:02:47Z")

</div>

The clamps should have a locking nut, maybe just pick up some replacement nutz at the hardware store.

Get some of these jobbers:  
 ![http://www.aeroassemblies.com/images/fasteners/SerratedFlangeNut.JPG](http://www.aeroassemblies.com/images/fasteners/SerratedFlangeNut.JPG)

---

<div class="post-metadata">

### Author: ![zee\_oh\_sex](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/zee_oh_sex/32/6451_2.png) [@zee\_oh\_sex](https://forums.speedlife.net/u/zee_oh_sex)
#### Post date: [February 17, 2010, 8:03am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/6 "2010-02-17T08:03:45Z")

</div>

if that doesnt work u could try a nylon lock nut, im not really sure how that would hold up to the heat either.

---

<div class="post-metadata">

### Author: ![SRS\_BZNS](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/srs_bzns/32/6375_2.png) [@SRS\_BZNS](https://forums.speedlife.net/u/SRS_BZNS)
#### Post date: [February 17, 2010, 8:10am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/7 "2010-02-17T08:10:08Z")

</div>

> [@07 White Civic Si Sedan - CSX/Mugen Conversion](https://forums.speedlife.net/t/07-white-civic-si-sedan-csx-mugen-conversion/29381/10):
>
> The clamps should have a locking nut, maybe just pick up some replacement nutz at the hardware store.
> 
> Get some of these jobbers:

Thats exactly whats on them

---

<div class="post-metadata">

### Author: ![SRS\_BZNS](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/srs_bzns/32/6375_2.png) [@SRS\_BZNS](https://forums.speedlife.net/u/SRS_BZNS)
#### Post date: [February 17, 2010, 8:10am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/8 "2010-02-17T08:10:35Z")

</div>

> [@Hey! I'm new and clueless!!](https://forums.speedlife.net/t/hey-im-new-and-clueless/29302/118):
>
> if that doesnt work u could try a nylon lock nut, im not really sure how that would hold up to the heat either.

The nylon would melt. Guaranteed

---

<div class="post-metadata">

### Author: ![ReDevil](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/redevil/32/6385_2.png) [@ReDevil](https://forums.speedlife.net/u/ReDevil)
#### Post date: [February 17, 2010, 9:32am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/9 "2010-02-17T09:32:41Z")

</div>

Throw another nut on, so the one actually holding the clap cant back off. If that still doesnt work, put locktite on also.

---

<div class="post-metadata">

### Author: ![KrazyKid](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/krazykid/32/6371_2.png) [@KrazyKid](https://forums.speedlife.net/u/KrazyKid)
#### Post date: [February 17, 2010, 10:26am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/10 "2010-02-17T10:26:02Z")

</div>

> [@\*\*\*\*Official: Southgate Meet Thread\*\*\*\*](https://forums.speedlife.net/t/official-southgate-meet-thread/29171/335):
>
> Throw another nut on, so the one actually holding the clap cant back off. If that still doesnt work, put locktite on also.

Yeah what he said, but go a step further if there are enough threads exposed to do this:

crank the nut on the clamp down. Then put a normal lock washer on and another nut over that. crank that thing down and bottom out the 2nd nut over the lockwasher & first nut. Then take another wrench and turn the first one backwards a 1/4 turn or so while holding the 2nd nut in place, that way they lock into eachother.

---

<div class="post-metadata">

### Author: ![ninety1two40](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/ninety1two40/32/6332_2.png) [@ninety1two40](https://forums.speedlife.net/u/ninety1two40)
#### Post date: [February 17, 2010, 10:33am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/11 "2010-02-17T10:33:15Z")

</div>

Yeah Ron, just thread on like 3-4 nuts. Should be good

---

<div class="post-metadata">

### Author: ![MX-5](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/mx-5/32/6336_2.png) [@MX-5](https://forums.speedlife.net/u/MX-5)
#### Post date: [February 17, 2010, 10:40am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/12 "2010-02-17T10:40:56Z")

</div>

![http://nerdapproved.com/wp-content/uploads/2010/01/mysack.jpg](http://nerdapproved.com/wp-content/uploads/2010/01/mysack.jpg)

you could get a nut sack pouch

---

<div class="post-metadata">

### Author: ![Wayne64SS](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/wayne64ss/32/6365_2.png) [@Wayne64SS](https://forums.speedlife.net/u/Wayne64SS)
#### Post date: [February 17, 2010, 10:41am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/13 "2010-02-17T10:41:08Z")

</div>

I’d leave the bolts / nuts off altogether. Save weight! :rofl

---

<div class="post-metadata">

### Author: ![zee\_oh\_sex](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/zee_oh_sex/32/6451_2.png) [@zee\_oh\_sex](https://forums.speedlife.net/u/zee_oh_sex)
#### Post date: [February 17, 2010, 10:47am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/14 "2010-02-17T10:47:30Z")

</div>

^ yeah ok Shady hahaha

---

<div class="post-metadata">

### Author: ![88slowmarro](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/88slowmarro/32/6339_2.png) [@88slowmarro](https://forums.speedlife.net/u/88slowmarro)
#### Post date: [February 17, 2010, 5:05pm UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/15 "2010-02-17T17:05:17Z")

</div>

double nut it

---

<div class="post-metadata">

### Author: ![dc2nick](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/dc2nick/32/6289_2.png) [@dc2nick](https://forums.speedlife.net/u/dc2nick)
#### Post date: [February 17, 2010, 5:50pm UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/16 "2010-02-17T17:50:52Z")

</div>

Double nut. & lock tite  
DONE

---

<div class="post-metadata">

### Author: ![TurboTravis](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/turbotravis/32/6406_2.png) [@TurboTravis](https://forums.speedlife.net/u/TurboTravis)
#### Post date: [February 17, 2010, 6:00pm UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/17 "2010-02-17T18:00:49Z")

</div>

Interference-fit exhaust hardware (as most OEM is), works fine. It may need to be replaced, however, as the interference fit wears out after repeated removal/installation.

---

<div class="post-metadata">

### Author: ![ReDevil](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/redevil/32/6385_2.png) [@ReDevil](https://forums.speedlife.net/u/ReDevil)
#### Post date: [February 17, 2010, 10:30pm UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/18 "2010-02-17T22:30:15Z")

</div>

> [@\*\*\*\*Official: Southgate Meet Thread\*\*\*\*](https://forums.speedlife.net/t/official-southgate-meet-thread/29171/335):
>
> Throw another nut on, so the one actually holding the **clap** cant back off. If that still doesnt work, put locktite on also.

Wow, just realized what I typed. :lol

---

<div class="post-metadata">

### Author: ![Shady](https://avatars.discourse-cdn.com/v4/letter/s/6de8d8/32.png) [@Shady](https://forums.speedlife.net/u/Shady)
#### Post date: [February 18, 2010, 4:41am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/19 "2010-02-18T04:41:20Z")

</div>

> [@Put a name to that face.....and win a prize.](https://forums.speedlife.net/t/put-a-name-to-that-face-and-win-a-prize/29377/31):
>
> I’d leave the bolts / nuts off altogether. Save weight! :rofl

While I would agree with this, my plan doesnt mean you should be undoing things which may cause annoying noises etc…

Ron best bet to follow my plan would be to remove the exhaust all together, including the header. This will also throw other curious men off as they will think her car is indeed faster/louder than theirs.

---

<div class="post-metadata">

### Author: ![Johawk](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/johawk/32/6284_2.png) [@Johawk](https://forums.speedlife.net/u/Johawk)
#### Post date: [February 18, 2010, 4:50am UTC](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384/20 "2010-02-18T04:50:51Z")

</div>

Tighten nuts. Clean with wire brush. Tack weld nut to clamp. Grind off when needed. These things are $3 at NAPA. If you don’t have a welder, I imagine if you did you would have just welded the exhaust in the first place, then try above combination of lock tite, lock washers, lock nuts, ect…

[Next page](https://forums.speedlife.net/t/nuts-vibrating-loose-on-u-bolts-need-suggestions/250384.md?page=2)
