Rattling from front of car when you shut the engine off - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

djdrugga24 · 03-23-2014, 10:42 AM

I have been noticing this issue since I bought the car. Majority of the times when I park my car and shut the car off, I hear a clanking sound from the front of the car for a couple of minutes. I mention it to the Scion dealership and they had no answer for me. Anyone else experiencing this same issue?

Muskokan · 03-23-2014, 10:45 AM

Like something dripping/crackling?

That's normal cool down if that's what your thinking, sure someone can chime in exactly what it is.

kodyo · 03-23-2014, 12:06 PM

It's the heat shield. It's 100% normal. My honda accord did the same thing,

Clembo · 03-24-2014, 07:44 AM

Every car with cats and heat shields make the same sounds as they cool down. Just wait till it goes into automatic purge mode (if you are there to hear it) and sounds like something left running in the car. Quite eerie until you realize what it is.

djdrugga24 · 03-28-2014, 07:42 PM

I spoke to Subaru and they said it was normal for the the engine to such.

mid_life_crisis · 03-31-2014, 01:28 PM

This is without question the noisiest car post shutdown that I have ever owned. I think part of it is that all that shielding under the car makes the noise echo in the engine compartment, which makes it sound louder.

subiestyle · 03-31-2014, 02:23 PM

That and the thin aluminum hood with little to no sound deadening.

PMPB · 03-31-2014, 10:18 PM

I think the engine being really long (from head to head) along with all the parts that need to span that distance - the header for example - expand and contract differently causing lots of popping/ticking as the engine cools. No big deal, all car do it, it's just very noticeable on this car.

extrashaky · 04-01-2014, 01:03 AM

Every car we've had with steel exhaust manifolds has made this same sound. My old TR6 would click and ping for several minutes after shutdown. I actually smiled when I heard this car do it the first time. It's the sound of a sports car catching its breath.

03-24-2014, 07:44 AM	#4
Clembo 'Senior' Junior Member Join Date: Mar 2013 Drives: 13 FR-S,08 Mustang Bullitt,06 MX-5 Location: Southeastern CT Posts: 389 Thanks: 117 Thanked 213 Times in 122 Posts Mentioned: 16 Post(s) Tagged: 0 Thread(s)	Every car with cats and heat shields make the same sounds as they cool down. Just wait till it goes into automatic purge mode (if you are there to hear it) and sounds like something left running in the car. Quite eerie until you realize what it is. __________________ "You'll never know if you don't try" - Shinroko Momose

03-31-2014, 01:28 PM	#6
mid_life_crisis Senior Member Join Date: May 2013 Drives: FR-S 10 #103 AT Location: NC Posts: 1,519 Thanks: 101 Thanked 599 Times in 347 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	This is without question the noisiest car post shutdown that I have ever owned. I think part of it is that all that shielding under the car makes the noise echo in the engine compartment, which makes it sound louder. __________________ Necessity may be the mother of Invention but Desperation is quite often the father. “Sex is like Bridge. If you don't have a good partner, you'd better have a good hand.” - Mae West Papa said, "son there's a lot of evil temptations out there. Best to try 'em all so you know which ones to avoid."

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03-23-2014, 10:45 AM	#2
Muskokan Senior Member Join Date: Aug 2013 Drives: white Sport-tech Location: Ontario Posts: 676 Thanks: 204 Thanked 320 Times in 149 Posts Mentioned: 2 Post(s) Tagged: 1 Thread(s)	Like something dripping/crackling? That's normal cool down if that's what your thinking, sure someone can chime in exactly what it is.

03-23-2014, 12:06 PM	#3
kodyo Senior Member Join Date: Jan 2013 Drives: Scion FR-S Location: Los Angeles Posts: 686 Thanks: 597 Thanked 257 Times in 174 Posts Mentioned: 6 Post(s) Tagged: 0 Thread(s)	It's the heat shield. It's 100% normal. My honda accord did the same thing,

03-31-2014, 02:23 PM	#7
subiestyle Senior Member Join Date: Feb 2014 Drives: 2014 Monogram FR-S White MT Location: San Francisco Posts: 433 Thanks: 62 Thanked 106 Times in 68 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	That and the thin aluminum hood with little to no sound deadening.

03-31-2014, 10:18 PM	#8
PMPB Senior Member Join Date: May 2013 Drives: BRZ Sport-tech Location: Canada Posts: 347 Thanks: 77 Thanked 182 Times in 111 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	I think the engine being really long (from head to head) along with all the parts that need to span that distance - the header for example - expand and contract differently causing lots of popping/ticking as the engine cools. No big deal, all car do it, it's just very noticeable on this car.

04-01-2014, 01:03 AM	#9
extrashaky Senior Member Join Date: Mar 2014 Drives: 2014 BRZ Limited Location: USA Posts: 4,046 Thanks: 1,100 Thanked 5,620 Times in 2,267 Posts Mentioned: 55 Post(s) Tagged: 1 Thread(s)	Every car we've had with steel exhaust manifolds has made this same sound. My old TR6 would click and ping for several minutes after shutdown. I actually smiled when I heard this car do it the first time. It's the sound of a sports car catching its breath.

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