2500 to 4000 rpm weird noise from underhood - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

GhostGo · 03-17-2014, 09:48 PM

So I got this noise from underhood. It sounds like a popping noise from intake or engine itself. Does not sound obvious in the video because of the road and wind noise. Just magnify what seems weird to you, and that's it.
My roommate has an automatic one. It does not sound like this at all, purely smooth.
I took it to the dealer, and they told me it's the shifter. New shifter assembly's on the way. But I highly doubt that.
I did search, but most of the engine noise issues with videos are at idle. Can't find any DI seal issue ones.
Plus, this only happens when the car is fully warmed up. Does anyone have the same issue?

[ame="http://www.youtube.com/watch?v=bF3b65qB3Ls"]http://www.youtube.com/watch?v=bF3b65qB3Ls[/ame]

another video clip

[ame="http://www.youtube.com/watch?v=SZe8n7XWT1E"]http://www.youtube.com/watch?v=SZe8n7XWT1E[/ame]

Sirsimon · 03-17-2014, 09:59 PM

Hello,

I listened with headphones and didn't hear anything that sounds off. Maybe I'm deaf. Is your car completely stock at this point?

GhostGo · 03-17-2014, 10:12 PM

Quote:

Originally Posted by Sirsimon

Hello,

I listened with headphones and didn't hear anything that sounds off. Maybe I'm deaf. Is your car completely stock at this point?

yup... completely stock.

GhostGo · 03-17-2014, 10:13 PM

Quote:

Originally Posted by Sirsimon

Hello,

I listened with headphones and didn't hear anything that sounds off. Maybe I'm deaf. Is your car completely stock at this point?

I wouldn't be surprised to hear this on even a slightly modified frs.

humfrz · 03-17-2014, 10:25 PM

hmmmm.......I can't hear anything unusual .....

humfrz

Funktional · 03-17-2014, 10:31 PM

Sounds completely normal to me......

GhostGo · 03-17-2014, 10:45 PM

could someone who had DI seal issue give some comments? It actually feels lack of power within this band. I have test driven another manual and it did not sound like this either.
Plus, it gets louder on a warmer day..

samfrs · 03-18-2014, 12:16 AM

Yeah my car just start making that noise a few weeks now. I thought it just me. I'm at 10k miles

GhostGo · 03-18-2014, 09:32 AM

Quote:

Originally Posted by samfrs

Yeah my car just start making that noise a few weeks now. I thought it just me. I'm at 10k miles

the exact same noise? Cheers.
Finally got an ally.

kevman_101 · 03-18-2014, 09:52 AM

Does you feel a slight jerk when it does it like a misfire? From what I heard, if the DI seal is going, it will make very loud pops while idling and driving. And you will notice them, they are not quiet.

Wepeel · 03-18-2014, 10:01 AM

It's most evident starting at 1:27 of the 2nd video (pops and shakes - first pop at 1:29). That is definitely weird.

GhostGo · 03-18-2014, 11:28 AM

Quote:

Originally Posted by kevman_101

Does you feel a slight jerk when it does it like a misfire? From what I heard, if the DI seal is going, it will make very loud pops while idling and driving. And you will notice them, they are not quiet.

I was thinking of misfire at the beginning, and there was this time I heard 3 loud pops at Idle on a freezing day.
But I don't have loud pops at idle these days.

GhostGo · 03-18-2014, 11:32 AM

Quote:

Originally Posted by Wepeel

It's most evident starting at 1:27 of the 2nd video (pops and shakes - first pop at 1:29). That is definitely weird.

Thanks for pointing out the time period. It's definitely weird when you hear it in person. Besides, it only sounds weird within this range, once beyond 4500 rpm, it still sounds sweet.

GhostGo · 03-18-2014, 11:38 AM

@Dezoris. Could you please comment on my symptoms?

03-17-2014, 09:48 PM	#1
GhostGo Member Join Date: Feb 2014 Drives: FRS Location: Michigan Posts: 17 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	2500 to 4000 rpm weird noise from underhood So I got this noise from underhood. It sounds like a popping noise from intake or engine itself. Does not sound obvious in the video because of the road and wind noise. Just magnify what seems weird to you, and that's it. My roommate has an automatic one. It does not sound like this at all, purely smooth. I took it to the dealer, and they told me it's the shifter. New shifter assembly's on the way. But I highly doubt that. I did search, but most of the engine noise issues with videos are at idle. Can't find any DI seal issue ones. Plus, this only happens when the car is fully warmed up. Does anyone have the same issue? [ame="http://www.youtube.com/watch?v=bF3b65qB3Ls"]http://www.youtube.com/watch?v=bF3b65qB3Ls[/ame] another video clip [ame="http://www.youtube.com/watch?v=SZe8n7XWT1E"]http://www.youtube.com/watch?v=SZe8n7XWT1E[/ame] Last edited by GhostGo; 03-17-2014 at 10:59 PM.

03-17-2014, 10:45 PM	#7
GhostGo Member Join Date: Feb 2014 Drives: FRS Location: Michigan Posts: 17 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	could someone who had DI seal issue give some comments? It actually feels lack of power within this band. I have test driven another manual and it did not sound like this either. Plus, it gets louder on a warmer day.. Last edited by GhostGo; 03-17-2014 at 11:11 PM.

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03-17-2014, 10:25 PM	#5
humfrz Senior Member Join Date: May 2013 Drives: 2013 FR-S, white, MT Location: Puyallup, WA Posts: 29,866 Thanks: 28,787 Thanked 31,813 Times in 16,424 Posts Mentioned: 708 Post(s) Tagged: 2 Thread(s)	hmmmm.......I can't hear anything unusual ..... humfrz

03-18-2014, 12:16 AM	#8
samfrs Custom User Title Join Date: Aug 2012 Drives: FRS Location: Raven Posts: 73 Thanks: 5 Thanked 9 Times in 9 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Yeah my car just start making that noise a few weeks now. I thought it just me. I'm at 10k miles

03-18-2014, 09:52 AM	#10
kevman_101 Senior Member Join Date: Apr 2013 Drives: 2013 Scion FRS Location: Bathurst New-Brunswick Posts: 222 Thanks: 3 Thanked 101 Times in 61 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Does you feel a slight jerk when it does it like a misfire? From what I heard, if the DI seal is going, it will make very loud pops while idling and driving. And you will notice them, they are not quiet.

03-18-2014, 10:01 AM	#11
Wepeel Senior Member Join Date: May 2012 Drives: '13 BRZ Ltd Location: PA Posts: 458 Thanks: 265 Thanked 229 Times in 117 Posts Mentioned: 8 Post(s) Tagged: 0 Thread(s)	It's most evident starting at 1:27 of the 2nd video (pops and shakes - first pop at 1:29). That is definitely weird.

03-18-2014, 11:38 AM	#14
GhostGo Member Join Date: Feb 2014 Drives: FRS Location: Michigan Posts: 17 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	@Dezoris. Could you please comment on my symptoms?

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