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Cold air intake whistling noise



 
 
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  #1  
Old March 2nd 06, 05:16 AM posted to rec.autos.makers.honda
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Default Cold air intake whistling noise

I just installed a cold air intake and have noticed (and have been
trying not to notice ever since) a whistling noise (sounds like a tea
kettle) that occurs only when the gas pedal is about 1/3 depressed and
only under load (doesn't do it in neutral). It's not because of a leak
or anything. Anyone have this problem and/or know the solution?

Ads
  #2  
Old March 2nd 06, 05:18 AM posted to rec.autos.makers.honda
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Default Cold air intake whistling noise

Oh yeah, it's a '99 Accord, 4 cylinder...

  #3  
Old March 2nd 06, 05:24 AM posted to rec.autos.makers.honda
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Default Cold air intake whistling noise

check out the vacum advance line

  #4  
Old March 2nd 06, 05:31 AM posted to rec.autos.makers.honda
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Default Cold air intake whistling noise

Could you elaborate?

  #5  
Old March 2nd 06, 06:14 AM posted to rec.autos.makers.honda
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Default Cold air intake whistling noise

"Mark" > wrote in
oups.com:

> I just installed a cold air intake and have noticed (and have been
> trying not to notice ever since) a whistling noise (sounds like a tea
> kettle) that occurs only when the gas pedal is about 1/3 depressed and
> only under load (doesn't do it in neutral). It's not because of a leak
> or anything. Anyone have this problem and/or know the solution?
>




Put the stock intake back. It has an elaborate silencing arrangement that
your "cold air" intake doesn't have.

Your "cold air" intake is likely not doing anything except making your
engine bay look pretty and your wallet thinner.


--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
  #6  
Old March 2nd 06, 03:27 PM posted to rec.autos.makers.honda
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Default Cold air intake whistling noise

TeGGeR® wrote:
> "Mark" > wrote in
> oups.com:
>
>
>>I just installed a cold air intake and have noticed (and have been
>>trying not to notice ever since) a whistling noise (sounds like a tea
>>kettle) that occurs only when the gas pedal is about 1/3 depressed and
>>only under load (doesn't do it in neutral). It's not because of a leak
>>or anything. Anyone have this problem and/or know the solution?
>>

>
>
>
>
> Put the stock intake back. It has an elaborate silencing arrangement that
> your "cold air" intake doesn't have.
>
> Your "cold air" intake is likely not doing anything except making your
> engine bay look pretty and your wallet thinner.
>
>

we should qualify that statement:

"your 'cold air' intake is likely not doing anything ... on your honda."

there's no doubt that on some vehicles, notably domestic v8's, air is
being sucked through severely choked down piping that would restrict a
1200cc import, let alone a 5 liter v8. in that situation, "cold air"
can definitely make a difference.
  #7  
Old March 2nd 06, 08:06 PM posted to rec.autos.makers.honda
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Default Cold air intake whistling noise

jim beam > wrote in
t:

> TeGGeR® wrote:


>>
>> Your "cold air" intake is likely not doing anything except making
>> your engine bay look pretty and your wallet thinner.
>>
>>

> we should qualify that statement:
>
> "your 'cold air' intake is likely not doing anything ... on your
> honda."
>
> there's no doubt that on some vehicles, notably domestic v8's, air is
> being sucked through severely choked down piping that would restrict a
> 1200cc import, let alone a 5 liter v8. in that situation, "cold air"
> can definitely make a difference.
>




I would agree with that. Anyone who's ever tried to use his hand to block
off the air horn on a small-carbed V8 (at or above idle) will attest to the
*considerable* suction present. Our little fours have nothing like it.

My old '76 Dodge Coronet's 318 had a fairly quiet intake -- until a new air
filter element was installed. A new filter produced a noticeably loud
*whoooooooo* noise when you opened the throttle. This noise gradually went
away as the filter got dirtier.


--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
  #8  
Old March 3rd 06, 02:58 AM posted to rec.autos.makers.honda
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Default Cold air intake whistling noise

I appreciate that everyone has their own opinion, but I can tell you
that it does make a difference. Now, if future posts could be directly
at my original question that would be great.

  #9  
Old March 3rd 06, 03:18 AM posted to rec.autos.makers.honda
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Default Cold air intake whistling noise

"Mark" > wrote in
oups.com:

> I appreciate that everyone has their own opinion, but I can tell you
> that it does make a difference. Now, if future posts could be directly
> at my original question that would be great.
>




I did. Go read it again.

The stock intake system is elaborately and expensively designed with the
very explicit intent of controlling intake noise. If you replace it with an
aftermarket one, the silencing features are gone, so resonance can occur
under certain circumstances and you'll hear strange noises.

You can also check to make sure nothing's loose, and that the intake pipe
itself isn't vibrating in sympathy with the engine. If all is well, you can
only experiment with internal baffling, additional bracing and other tricks
in an attempt to prevent resonance.

Trust me, that "cold air intake' isn't gaining you any usable power that
would not require a dynamometer to see. But it sure *sounds* more powerful,
doesn't it?

--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
 




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