Strange whistling sound when accelerating
#16
02-06-2006, 02:12 PM
Originally Posted by kidtronix
Vehicles that are consumer-centric have synchros whose splines are angled (like the impellers within a supercharger). This decreases noise and smooths the shifting of the transmission. Can you imagine how annoying a whiny rally transmission would be if it was your daily driver?
#18
02-06-2006, 03:27 PM
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02-06-2006, 03:34 PM
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02-06-2006, 03:36 PM
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02-06-2006, 05:13 PM
#23
02-06-2006, 06:25 PM
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Fireblade,
Ref your q- does this whistling continue when the car is warmed up, or at some point, does it stop?
Why? Until warm, when it's cold out, my 05 Coupe exhaust whistles, until the pipes expand and seal. Then all is right with the world. My 03 Coupe did not have this problem.
If it sounds intake related, then check the routing of the vacuum hose coming off the intake. It is long and routed in such a way as for it to be possible for it to be kinked, even slightly. My 03 was in this boat. Reworking the routing such that the hose was free to flow cured the problem in less than 5 minutes. The real plus here is that your performance will improve by making this correction. Find the hose that comes off your intake and follow it. You may want to remove the four bolts and engine cover to do so- easy stuff.
If you have an aftermarket intake or Z-tube, where the hose is connected opposite to its normal "relaxed" position, then you have a higher probability that this is your issue, and the whistling will be more pronounced. Monkeying around with that hose is the most annoying part (albeit minor at that) of any Z-tube install.
Hope this helps.
Cheers,
Derek
Ref your q- does this whistling continue when the car is warmed up, or at some point, does it stop?
Why? Until warm, when it's cold out, my 05 Coupe exhaust whistles, until the pipes expand and seal. Then all is right with the world. My 03 Coupe did not have this problem.
If it sounds intake related, then check the routing of the vacuum hose coming off the intake. It is long and routed in such a way as for it to be possible for it to be kinked, even slightly. My 03 was in this boat. Reworking the routing such that the hose was free to flow cured the problem in less than 5 minutes. The real plus here is that your performance will improve by making this correction. Find the hose that comes off your intake and follow it. You may want to remove the four bolts and engine cover to do so- easy stuff.
If you have an aftermarket intake or Z-tube, where the hose is connected opposite to its normal "relaxed" position, then you have a higher probability that this is your issue, and the whistling will be more pronounced. Monkeying around with that hose is the most annoying part (albeit minor at that) of any Z-tube install.
Hope this helps.
Cheers,
Derek
#24
02-06-2006, 07:41 PM
Thanks derek, I will try your suggestiong by looking for a kink. Yeah i heard about the wierd noises when the car is cold but I definitely hear it more than 5-10 minutes in of driving, so I don't think warm up is much of an issue.
Car is completely stock - just got it 2 days ago and I'm still in la-la land...whistle or no whistle.
Car is completely stock - just got it 2 days ago and I'm still in la-la land...whistle or no whistle.
Originally Posted by derek
Fireblade,
Ref your q- does this whistling continue when the car is warmed up, or at some point, does it stop?
Why? Until warm, when it's cold out, my 05 Coupe exhaust whistles, until the pipes expand and seal. Then all is right with the world. My 03 Coupe did not have this problem.
If it sounds intake related, then check the routing of the vacuum hose coming off the intake. It is long and routed in such a way as for it to be possible for it to be kinked, even slightly. My 03 was in this boat. Reworking the routing such that the hose was free to flow cured the problem in less than 5 minutes. The real plus here is that your performance will improve by making this correction. Find the hose that comes off your intake and follow it. You may want to remove the four bolts and engine cover to do so- easy stuff.
If you have an aftermarket intake or Z-tube, where the hose is connected opposite to its normal "relaxed" position, then you have a higher probability that this is your issue, and the whistling will be more pronounced. Monkeying around with that hose is the most annoying part (albeit minor at that) of any Z-tube install.
Hope this helps.
Cheers,
Derek
Ref your q- does this whistling continue when the car is warmed up, or at some point, does it stop?
Why? Until warm, when it's cold out, my 05 Coupe exhaust whistles, until the pipes expand and seal. Then all is right with the world. My 03 Coupe did not have this problem.
If it sounds intake related, then check the routing of the vacuum hose coming off the intake. It is long and routed in such a way as for it to be possible for it to be kinked, even slightly. My 03 was in this boat. Reworking the routing such that the hose was free to flow cured the problem in less than 5 minutes. The real plus here is that your performance will improve by making this correction. Find the hose that comes off your intake and follow it. You may want to remove the four bolts and engine cover to do so- easy stuff.
If you have an aftermarket intake or Z-tube, where the hose is connected opposite to its normal "relaxed" position, then you have a higher probability that this is your issue, and the whistling will be more pronounced. Monkeying around with that hose is the most annoying part (albeit minor at that) of any Z-tube install.
Hope this helps.
Cheers,
Derek
#25
02-06-2006, 07:55 PM
#27
02-07-2006, 10:02 AM
Originally Posted by heeb
Weird. I have a 04 G35 5AT, and only after I got my sound system installed, I noticed that I hear this noise. It sounds much like an electronic whistling noise though.. a bit like a supercharger whine.
Maybe someone installed a supercharger while you weren't looking?
Maybe someone installed a supercharger while you weren't looking?
Thats due to a bad ground in you sound system
#28
02-07-2006, 10:03 AM
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