Need help please!!!!!!!!!!
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Professional
Joined: Oct 2010
Posts: 105
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From: New Braunfels,TX
Need help please!!!!!!!!!!
I just installed a new K&N CAI and love the gains from it. BUT it's making a weird noise now that's really pissin me off!!! When i get on it it sounds great but when i'm just cruising around 45 MPH it makes this weird knocking sound. Not a bunch of knocking just a single knock and when it does it if i stay at that speed it kinda growls untill i let off the gas. I hate when my truck makes any abnormal noise if anyone has ever heard of something like this please help. also all suggestions are welcome!!! Thanks in advance.
Champion
Joined: May 2008
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From: Shreveport, LA
Need help with what? Title your thread with what you need help with
A knock? I know that my K&N kit needed a little bit of padding under the end to keep it from vibrating...you say a single knock, is it happening once or alot? Mine whistles at around 45
A knock? I know that my K&N kit needed a little bit of padding under the end to keep it from vibrating...you say a single knock, is it happening once or alot? Mine whistles at around 45
Administrator
Joined: Jul 2007
Posts: 24,686
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From: South Georgia/East Florida
A knock or a metal on metal flapping sound? It is normal to hear the sound of the EGR valve opening and closing rapidly when you install a CAI. It is especially loud when you have a metal tubed intake.
The "HEMI Hat" is a baffle that minimizes this sound, eliminate the baffle, you gain performance but also the sound of the EGR...
The "HEMI Hat" is a baffle that minimizes this sound, eliminate the baffle, you gain performance but also the sound of the EGR...
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Professional
Joined: Oct 2010
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From: New Braunfels,TX
thanks, it's a real hard noise to describe it's more like a pop. I took it out tonight and on this long stretch of road if i went around 40mph and kept it there it would happen then i would let off the gas and then go 40mph again and it would do it again so on and so on.
:icon_shrug
:icon_shrug
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Joined: Feb 2010
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From: Lincoln park, MI
Hmmm it could be your EGR one of my friends had the same issue ... I will ask him how he fixed it
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Professional
Joined: Oct 2010
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From: New Braunfels,TX
Just got my superchips programmer today and it was really easy to use. Set it to the 91 octane setting and am very happy with the results!!!!The noise that i was hearing was my MDS because when i disabled it it went away(so far). I guess when i changed to the new CAI and removed the HEMI hat i could hear it.
I'm gonna wash it up tomorrow and take some pics and post them.Thanks for everyones input.
I'm gonna wash it up tomorrow and take some pics and post them.Thanks for everyones input.
Last edited by weedahoe; Oct 11, 2010 at 08:21 AM.
