Help with metallic exhaust rattle? Video inside!

AlphaSnacks · 06-25-2011, 08:12 PM

I just had my ART Pipes installed. I drove for about 25 miles without a noise. Stopped at my girlfriend's, and then drove another 10 miles home. When I got off the highway, I noticed this horrible metallic noise, like a pebble getting rattled around in a tin-can. It's pretty apparent in this video.

Video - TinyPic - Free Image Hosting, Photo Sharing & Video Hosting

Can anyone help? Wtf is this? Is something loose? I know my shop cut the bolt on the driver's side of the exhaust - was it not cut enough maybe?

Dzel · 06-25-2011, 08:47 PM

It almost sounds like a loose washer or maybe a gasket around one of your unions is loose.

AlphaSnacks · 06-25-2011, 08:57 PM

It sounds like something wasn't torqued down, as opposed to failing, which is why the sound started after driving it around some. I remember I had the same sound in my 350Z when I ran over a plate-cover at a gas station (where they pump the gasoline into the ground) and it knocked the ART Pipe loose and caused the sound.

This sounds similar.

Dzel · 06-25-2011, 08:59 PM

I would just jack her up and tighten all you fittings

Rooskey · 06-26-2011, 12:47 AM

So did you get it fixed? What was the issue

AlphaSnacks · 06-26-2011, 12:49 AM

??? I just noticed the sound hours back. Every shop here is closed, it's dark out, and it's nearly impossible to crawl under the car with the drop.

djpathfinder · 06-26-2011, 12:51 AM

Also, check to make sure the rubber hangars are in place, and none of the tubes are touching parts of the car (e.g. sway bar, support members, etc.).

Dzel · 06-26-2011, 09:33 AM

I didn't even think of the hangers good point I had that problem on my Mach.

AlphaSnacks · 06-26-2011, 11:49 AM

Here is a much better video. Notice how as the idle drops the sound went away at the very end of the video.

Video - TinyPic - Free Image Hosting, Photo Sharing & Video Hosting

Econ · 06-26-2011, 03:58 PM

either thats cross member rattle, or there's a lose flange/gasket connection

cheshirecat · 06-26-2011, 04:40 PM

Is it the polishing bead problem being talked about in the Motordyne thread?

Footloose301 · 06-26-2011, 04:51 PM

^+1

aadosx · 06-27-2011, 08:57 AM

Yes I believe that is the issue...

BalanBro · 06-27-2011, 09:18 AM

I'm not familiar with those pipes, but on my hfc's I had a rattle from a loose plug that caps off the O2 sensor bung. Just make sure, cause this is so easily overlooked.

06-25-2011, 08:12 PM	#1 (permalink)
AlphaSnacks A True Z Fanatic Join Date: Jan 2010 Location: Windermere, FL Posts: 1,618 Drives: '13 XKR-S, '10 370Z Rep Power: 18	Help with metallic exhaust rattle? Video inside! I just had my ART Pipes installed. I drove for about 25 miles without a noise. Stopped at my girlfriend's, and then drove another 10 miles home. When I got off the highway, I noticed this horrible metallic noise, like a pebble getting rattled around in a tin-can. It's pretty apparent in this video. Video - TinyPic - Free Image Hosting, Photo Sharing & Video Hosting Can anyone help? Wtf is this? Is something loose? I know my shop cut the bolt on the driver's side of the exhaust - was it not cut enough maybe?

06-25-2011, 08:47 PM	#2 (permalink)
Dzel A True Z Fanatic Join Date: May 2011 Location: Midland, TX Posts: 3,884 Drives: 11 370Z PW M6 Rep Power: 22	It almost sounds like a loose washer or maybe a gasket around one of your unions is loose. __________________ 10secWS6 IF YOU CAN'T SWING IT THEN DON'T BRING IT! Check out Domestic Performance C.C.

06-25-2011, 08:59 PM	#4 (permalink)
Dzel A True Z Fanatic Join Date: May 2011 Location: Midland, TX Posts: 3,884 Drives: 11 370Z PW M6 Rep Power: 22	I would just jack her up and tighten all you fittings __________________ 10secWS6 IF YOU CAN'T SWING IT THEN DON'T BRING IT! Check out Domestic Performance C.C.

06-26-2011, 12:51 AM	#7 (permalink)
djpathfinder A True Z Fanatic Join Date: Mar 2010 Location: Edmonton, Canada Posts: 12,910 Drives: 2012 GT-R BE Rep Power: 733	Also, check to make sure the rubber hangars are in place, and none of the tubes are touching parts of the car (e.g. sway bar, support members, etc.). __________________ 2012 GT-R Black Edition Jet Black 2010 370Z 40th Anniversary // SOLD

06-26-2011, 09:33 AM	#8 (permalink)
Dzel A True Z Fanatic Join Date: May 2011 Location: Midland, TX Posts: 3,884 Drives: 11 370Z PW M6 Rep Power: 22	I didn't even think of the hangers good point I had that problem on my Mach. __________________ 10secWS6 IF YOU CAN'T SWING IT THEN DON'T BRING IT! Check out Domestic Performance C.C.

06-25-2011, 08:57 PM	#3 (permalink)
AlphaSnacks A True Z Fanatic Join Date: Jan 2010 Location: Windermere, FL Posts: 1,618 Drives: '13 XKR-S, '10 370Z Rep Power: 18	It sounds like something wasn't torqued down, as opposed to failing, which is why the sound started after driving it around some. I remember I had the same sound in my 350Z when I ran over a plate-cover at a gas station (where they pump the gasoline into the ground) and it knocked the ART Pipe loose and caused the sound. This sounds similar.

06-26-2011, 12:47 AM	#5 (permalink)
Rooskey Track Member Join Date: Jul 2010 Location: South Carolina Posts: 974 Drives: 2014 Alpha7 GTR Rep Power: 15	So did you get it fixed? What was the issue

06-26-2011, 12:49 AM	#6 (permalink)
AlphaSnacks A True Z Fanatic Join Date: Jan 2010 Location: Windermere, FL Posts: 1,618 Drives: '13 XKR-S, '10 370Z Rep Power: 18	??? I just noticed the sound hours back. Every shop here is closed, it's dark out, and it's nearly impossible to crawl under the car with the drop.

06-26-2011, 11:49 AM	#9 (permalink)
AlphaSnacks A True Z Fanatic Join Date: Jan 2010 Location: Windermere, FL Posts: 1,618 Drives: '13 XKR-S, '10 370Z Rep Power: 18	Here is a much better video. Notice how as the idle drops the sound went away at the very end of the video. Video - TinyPic - Free Image Hosting, Photo Sharing & Video Hosting

06-26-2011, 03:58 PM	#10 (permalink)
Econ A True Z Fanatic Join Date: Jan 2011 Location: New York City Posts: 2,546 Drives: Fiat? Rep Power: 19	either thats cross member rattle, or there's a lose flange/gasket connection __________________ 2014 Triumph Thruxton 900 2013 Fiat 500 Abarth 2009 Nissan 370z

06-26-2011, 04:40 PM	#11 (permalink)
cheshirecat A True Z Fanatic Join Date: Jan 2009 Location: Florida Posts: 1,428 Drives: N54 135i Rep Power: 292	Is it the polishing bead problem being talked about in the Motordyne thread?

06-26-2011, 04:51 PM	#12 (permalink)
Footloose301 A True Z Fanatic Join Date: Apr 2010 Location: Naples, FL Posts: 2,659 Drives: 40th Rep Power: 21	^+1 __________________ 2010 40th Anniversary 370Z

06-27-2011, 08:57 AM	#13 (permalink)
aadosx Base Member Join Date: Jun 2010 Location: Auburn, AL Posts: 172 Drives: 2007 Nissan 350Z Rep Power: 14	Yes I believe that is the issue... __________________ 2007 350Z HR :: 3.7 Final Drive : Injen Long-Tube Intakes : TurboXS Cat-Back : Eibach Sportline : Enkei RPF1 18x9.5/10.5 +15

06-27-2011, 09:18 AM	#14 (permalink)
BalanBro Enthusiast Member Join Date: Apr 2009 Location: NJ Posts: 318 Drives: 40th Anniv. 370Z Rep Power: 1111	I'm not familiar with those pipes, but on my hfc's I had a rattle from a loose plug that caps off the O2 sensor bung. Just make sure, cause this is so easily overlooked. __________________ 2012 Mercedes C63 AMG P31 Sedan, ROW, aFe, Eurocharged Dyno Tune. 438WHP/415WTQ 2010 SOLD: 40th Anniversary 370z

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