Whitsling TB
#1
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Join Date: May 2005
Location: Hazleton, Pa, USA
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Whitsling TB
Ever since I Installed my JRSC my Throttle Body whistles at a very annoying high pitched noice at around 1/4 peddle. If I lossen the brass screw on the TB about a full turn the whistling goes away, but then my idle gets all jacked, my CEL comes on, saying my IACV is failing. Has anyone has this problem and know how to fix it? The whistling only occurs when I push the peddle down slightly, so in traffic it sucks.
Thanks
Bryan
Thanks
Bryan
#2
Join Date: Sep 2004
Location: Elkhart/Muncie, IN, USA
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Re: Whitsling TB (bryan99si)
haha...i had the same problem. My throttle body gasket was on upside down. I was so concerned w/ getting the SC to run right I ignored all the other things. It could either be that, or else you need a new tb gasket.
#4
Junior Member
Re: Whitsling TB (bryan99si)
You are hearing the air rush past the throttle plate at 1/4 throttle. This is only cured with a smaller tb and/or stock (restricted) air intake. Turning the idle screw (brass screw) will only affect the idle. I does make the intake a little bit more quiet, but as you noticed messes up the idle speed. The only thing you can do is either get used to it or put on a stock air box.
#5
Honda-Tech Member
Re: Whitsling TB (bryan99si)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by bryan99si »</TD></TR><TR><TD CLASS="quote">Ever since I Installed my JRSC my Throttle Body whistles at a very annoying high pitched noice at around 1/4 peddle. </TD></TR></TABLE>
Are you sure its the throttle body? I installed the JSRC on my d16y8, and my setup "whistles" too anywhere from 18-25% throttle. I attributed it to the bypass valve that JR developed, like when it's closing to create boost whenever there's a certain amount of vacuum present. I say that because the whistling sound is present whenever I'm hovering around 0 vacuum/boost on my gauge, hence the bypass.
I dunno, maybe it's not the same thing you're talking about, but I personally like the sound.
Are you sure its the throttle body? I installed the JSRC on my d16y8, and my setup "whistles" too anywhere from 18-25% throttle. I attributed it to the bypass valve that JR developed, like when it's closing to create boost whenever there's a certain amount of vacuum present. I say that because the whistling sound is present whenever I'm hovering around 0 vacuum/boost on my gauge, hence the bypass.
I dunno, maybe it's not the same thing you're talking about, but I personally like the sound.
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#8
Honda-Tech Member
Re: Whitsling TB (bryan99si)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by bryan99si »</TD></TR><TR><TD CLASS="quote">Yes that is it.... anything to correct it?</TD></TR></TABLE>
I'm not sure, besides taking it into your own hands to redesign the bypass valve. It has been done. But the air is rushing through a small area, so the shape of the valve is whats causing the sound.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by GRIP KING »</TD></TR><TR><TD CLASS="quote">That's what happens when you put an aftermarket t/b on ur car.</TD></TR></TABLE>
Since when do aftermarket throttle bodies whistle? It's not the tb.
I'm not sure, besides taking it into your own hands to redesign the bypass valve. It has been done. But the air is rushing through a small area, so the shape of the valve is whats causing the sound.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by GRIP KING »</TD></TR><TR><TD CLASS="quote">That's what happens when you put an aftermarket t/b on ur car.</TD></TR></TABLE>
Since when do aftermarket throttle bodies whistle? It's not the tb.
#9
Re: Whitsling TB (EKcivicEX)
the problem is the air rushing through the idle air control valve in the intake, take off your intake pipe and put your finger over the top hole and the engine dies but the sound immediately goes away. If it bothers you that much, jb-weld some obstruction in front of the idle air hole might work.
#10
Honda-Tech Member
Re: Whitsling TB (Falqon)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Falqon »</TD></TR><TR><TD CLASS="quote">the problem is the air rushing through the idle air control valve in the intake, take off your intake pipe and put your finger over the top hole and the engine dies but the sound immediately goes away. If it bothers you that much, jb-weld some obstruction in front of the idle air hole might work.</TD></TR></TABLE>
the sound isnt always there though. if there's a whistling sound all the time then its apparently not the same one.
the sound isnt always there though. if there's a whistling sound all the time then its apparently not the same one.
#11
Honda-Tech Member
Re: Whitsling TB (GRIP KING)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by GRIP KING »</TD></TR><TR><TD CLASS="quote">That's what happens when you put an aftermarket t/b on ur car.</TD></TR></TABLE>
My stock Z6 intake manny and short ram intake make a weird honing noise like a vacuum. Not sure why but it's only at idle.
My stock Z6 intake manny and short ram intake make a weird honing noise like a vacuum. Not sure why but it's only at idle.
#12
Honda-Tech Member
Re: Whitsling TB (Bond)
Short rams tend to be very loud. Any sound it makes is directly related to its length and shape, so the air rushing in at idle could be at just the right speed to create a resonating effect inside the intake that you can hear. Either that or it's simply drowned out by other noise when not at idle.
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