hissing noise when i turn off my gsr
Thread Starter
Joined: Jun 2006
Posts: 5
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From: houston, tx, usa
hissing noise when i turn off my gsr
when i turn off my stock gsr. theres a hissing noise coming from inside of the intake manifold. it only does it for about 2 seconds. it sound like when water hits hot metal. but i checked everything, and everything is ok. i'm also having problems with my butterfly valve i dont know if its related to this problem. but heres my other thread.
https://honda-tech.com/zerothread/1660588
https://honda-tech.com/zerothread/1660588
Thread Starter
Joined: Jun 2006
Posts: 5
Likes: 0
From: houston, tx, usa
Re: (LS-N)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by LS-N »</TD></TR><TR><TD CLASS="quote">Do you have an intake?
It's probably your intake.</TD></TR></TABLE>
yea i got a intake. but after that sound the intake makes after u turn the car off like a suction noise it, makes this hissing noise
It's probably your intake.</TD></TR></TABLE>
yea i got a intake. but after that sound the intake makes after u turn the car off like a suction noise it, makes this hissing noise
Honda-Tech Member
Joined: Mar 2004
Posts: 1,290
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From: Sunny SoCal
Re: (LS-N)
The pressure inside the intake manifold which ideally is about 19 inches of mercury (about 9.33 psi) below atmospheric pressure while you are idling. When you turn the engine off, all the air outside your intake manifold is rushing in through your filter to equalize the pressure. This is the noise you are hearing. Perfectly normal and yes, kinda cool sounding.
Thread Starter
Joined: Jun 2006
Posts: 5
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From: houston, tx, usa
Re: (kchungb17a)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by kchungb17a »</TD></TR><TR><TD CLASS="quote">The pressure inside the intake manifold which ideally is about 19 inches of mercury (about 9.33 psi) below atmospheric pressure while you are idling. When you turn the engine off, all the air outside your intake manifold is rushing in through your filter to equalize the pressure. This is the noise you are hearing. Perfectly normal and yes, kinda cool sounding.</TD></TR></TABLE>
yea i know that sound its been on all my cars i've had with intakes. but after that sound theres a sound like water hitting hot metal. like a sizzling sound
yea i know that sound its been on all my cars i've had with intakes. but after that sound theres a sound like water hitting hot metal. like a sizzling sound
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Joined: Jun 2006
Posts: 10
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From: houston, tx, usa
Re: (1337whp)
lol, i know that shhhhh sound is normal all my cars with intakes have done it. my brother has the same set-up on his integra but his is a 94 gsr. but it doesnt make that sizzling noise. i dont know maybe it has something to do with my secondary butterfly valves. i'll try to figure it out. thanks though u guys 
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