Need some help quick

Gibby1113 · 02-07-2014, 08:10 PM

So I just got my hotchkis sway bars installed and in order to install the rears you have to remove the mid pipe and some brace in order to remove the rear sway bar. Well the guy mentioned to me that the gasket could tear due to it melting from the heat of the exhaust but they didn't rip, I watched him remove everything. Now when I turn on my car the exhaust sounds louder now. And when I'm at idle there's a weird rumble/rattle coming from the back of the car and when I accelerate it gets louder. I let go of the gas and it goes away. Could I have an exhaust leak? What could be wrong? Do I need to take it back to the guy to fix it? Thanks.

SouthArk370Z · 02-07-2014, 08:44 PM

Probably just a flange that didn't get tightened properly or a bad gasket. Whoever did the work should be willing to put things right.

Gaskets are cheap - I suggest replacing them every time.

Gibby1113 · 02-07-2014, 09:31 PM

Idk could the exhaust make a difference sound even if that gaskets didn't tear?

dudesky · 02-07-2014, 10:11 PM

It might be the rattle from Y pipe's heat shield. Maybe, I don't know, if you still have stock Y pipe. I had metal rattling problem with my stock Y pipe's heat shields long time ago.
https://www.youtube.com/watch?v=chQUAwWAnis
this is the video I posted up long time ago. see if it sounds similar to this

bdavis89 · 02-07-2014, 10:16 PM

ravioli can...

Gibby1113 · 02-08-2014, 12:16 AM

It's not the same. I'll try to post a link to a YouTube clip

Gibby1113 · 02-08-2014, 01:43 AM

Could there be a clearance issue between my exhaust pipes and the hotchkis sways? Does anyone know if they sit lower than stock due to the thicker bar?

Gibby1113 · 02-08-2014, 02:10 AM

Weird exhaust rattle/rumble - YouTube

Here's a sound clip. Any clue as to what it could be??? Thanks guys

Gibby1113 · 02-08-2014, 02:12 AM

If it says "no stream" just refresh. It'll play eventually.

DEpointfive0 · 02-08-2014, 04:17 AM

... Not sure... Maybe he put the mid pipe on wrong? And no idea why he took the brace off...

I didn't even take my mid pipe off.. I unbolted it, but didn't take it off

Gibby1113 · 02-08-2014, 08:45 AM

The guy unbolted my mod pipe and just had the pipes hanging by the rubber hangers. And i told him to take of the brace toward the end of the exhaust cuz that's the only way the sway bars would come off. I just followed the DIY posted for the sway bar installation

jwick · 02-08-2014, 12:12 PM

most likely a gasket but you could be rubbing. don't drive around this way but shove a wash cloth between the sway bar and exhaust where they are closest together. if the sound stays you likely have a gasket leak. if it goes away drop the mid pipe and wrap the area where you shove the wash cloth with header wrap. that will give you something to pad between the two metals and be heat resistant

Gibby1113 · 02-08-2014, 03:04 PM

Thanks for all the responses guys. Turns out I scraped really hard and the skid plate near my resonators was bent so bad that it was touchin the pipe which was causing the noise. The tech didn't have tools to bend it back to it's correct form but he stuck a piece of a tire in between the space and that took care of it. I'm gonna go fix it this week at a muffle shop somewhere and ask them if they can bend it back. If it's not possible I'll just leave the piece of rubber wedge in there

and keep on

02-07-2014, 08:10 PM	#1 (permalink)
Gibby1113 Enthusiast Member Join Date: Nov 2012 Location: On open empty highways Posts: 366 Drives: 40th anniversary Rep Power: 12	Need some help quick So I just got my hotchkis sway bars installed and in order to install the rears you have to remove the mid pipe and some brace in order to remove the rear sway bar. Well the guy mentioned to me that the gasket could tear due to it melting from the heat of the exhaust but they didn't rip, I watched him remove everything. Now when I turn on my car the exhaust sounds louder now. And when I'm at idle there's a weird rumble/rattle coming from the back of the car and when I accelerate it gets louder. I let go of the gas and it goes away. Could I have an exhaust leak? What could be wrong? Do I need to take it back to the guy to fix it? Thanks. __________________ 40th anniversary #450/1000 \| Takeda Attack CAI \| Ark DTS exhaust \| to be continued...

02-07-2014, 08:44 PM	#2 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324198	Probably just a flange that didn't get tightened properly or a bad gasket. Whoever did the work should be willing to put things right. Gaskets are cheap - I suggest replacing them every time. Gibby1113 likes this. __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

02-07-2014, 09:31 PM	#3 (permalink)
Gibby1113 Enthusiast Member Join Date: Nov 2012 Location: On open empty highways Posts: 366 Drives: 40th anniversary Rep Power: 12	Idk could the exhaust make a difference sound even if that gaskets didn't tear? __________________ 40th anniversary #450/1000 \| Takeda Attack CAI \| Ark DTS exhaust \| to be continued...

02-07-2014, 10:16 PM	#5 (permalink)
bdavis89 Track Member Join Date: Oct 2011 Location: Jacksonville FL Posts: 586 Drives: '10 370Z PW Auto Rep Power: 15	ravioli can... __________________ 2010 Pearl White Touring Sport Package \| Navigation \| 7 Speed Automatic

02-08-2014, 12:16 AM	#6 (permalink)
Gibby1113 Enthusiast Member Join Date: Nov 2012 Location: On open empty highways Posts: 366 Drives: 40th anniversary Rep Power: 12	It's not the same. I'll try to post a link to a YouTube clip __________________ 40th anniversary #450/1000 \| Takeda Attack CAI \| Ark DTS exhaust \| to be continued...

02-07-2014, 10:11 PM	#4 (permalink)
dudesky Track Member Join Date: Apr 2011 Location: Kraid's lair Posts: 516 Drives: E46 M3 6MT Rep Power: 15	It might be the rattle from Y pipe's heat shield. Maybe, I don't know, if you still have stock Y pipe. I had metal rattling problem with my stock Y pipe's heat shields long time ago. https://www.youtube.com/watch?v=chQUAwWAnis this is the video I posted up long time ago. see if it sounds similar to this

02-08-2014, 01:43 AM	#7 (permalink)
Gibby1113 Enthusiast Member Join Date: Nov 2012 Location: On open empty highways Posts: 366 Drives: 40th anniversary Rep Power: 12	Could there be a clearance issue between my exhaust pipes and the hotchkis sways? Does anyone know if they sit lower than stock due to the thicker bar? __________________ 40th anniversary #450/1000 \| Takeda Attack CAI \| Ark DTS exhaust \| to be continued...

02-08-2014, 02:10 AM	#8 (permalink)
Gibby1113 Enthusiast Member Join Date: Nov 2012 Location: On open empty highways Posts: 366 Drives: 40th anniversary Rep Power: 12	Weird exhaust rattle/rumble - YouTube Here's a sound clip. Any clue as to what it could be??? Thanks guys __________________ 40th anniversary #450/1000 \| Takeda Attack CAI \| Ark DTS exhaust \| to be continued...

02-08-2014, 02:12 AM	#9 (permalink)
Gibby1113 Enthusiast Member Join Date: Nov 2012 Location: On open empty highways Posts: 366 Drives: 40th anniversary Rep Power: 12	If it says "no stream" just refresh. It'll play eventually. __________________ 40th anniversary #450/1000 \| Takeda Attack CAI \| Ark DTS exhaust \| to be continued...

02-08-2014, 04:17 AM	#10 (permalink)
DEpointfive0 Premium Member Bitches Join Date: Jan 2012 Location: SoCal Posts: 14,824 Drives: a lot Rep Power: 17151	... Not sure... Maybe he put the mid pipe on wrong? And no idea why he took the brace off... I didn't even take my mid pipe off.. I unbolted it, but didn't take it off __________________ Do YOU want to know what/where I got my username from? ( Click to show/hide ) NSFW due to language:

02-08-2014, 08:45 AM	#11 (permalink)
Gibby1113 Enthusiast Member Join Date: Nov 2012 Location: On open empty highways Posts: 366 Drives: 40th anniversary Rep Power: 12	The guy unbolted my mod pipe and just had the pipes hanging by the rubber hangers. And i told him to take of the brace toward the end of the exhaust cuz that's the only way the sway bars would come off. I just followed the DIY posted for the sway bar installation __________________ 40th anniversary #450/1000 \| Takeda Attack CAI \| Ark DTS exhaust \| to be continued...

02-08-2014, 12:12 PM	#12 (permalink)
jwick A True Z Fanatic Join Date: Dec 2010 Location: Houston Posts: 14,532 Drives: '10 G37 6MT Rep Power: 2465056	most likely a gasket but you could be rubbing. don't drive around this way but shove a wash cloth between the sway bar and exhaust where they are closest together. if the sound stays you likely have a gasket leak. if it goes away drop the mid pipe and wrap the area where you shove the wash cloth with header wrap. that will give you something to pad between the two metals and be heat resistant SouthArk370Z likes this. __________________ '10 G37T 6MT Graphite/Graphite - BP - G37T Build

02-08-2014, 03:04 PM	#13 (permalink)
Gibby1113 Enthusiast Member Join Date: Nov 2012 Location: On open empty highways Posts: 366 Drives: 40th anniversary Rep Power: 12	Thanks for all the responses guys. Turns out I scraped really hard and the skid plate near my resonators was bent so bad that it was touchin the pipe which was causing the noise. The tech didn't have tools to bend it back to it's correct form but he stuck a piece of a tire in between the space and that took care of it. I'm gonna go fix it this week at a muffle shop somewhere and ask them if they can bend it back. If it's not possible I'll just leave the piece of rubber wedge in there and keep on __________________ 40th anniversary #450/1000 \| Takeda Attack CAI \| Ark DTS exhaust \| to be continued...

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