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I have a 2003 stock/base model cooper with cvt. Lately i have noticed a whistle which seems to be coming from the engine bay. The whistle starts at about 30mph and ends at about 60mph. Also, it only does it when i accelerate. It stops once i release the throttle. Any ideas?
if you have a cold air intake, its just the extra noise being let through the intake. the whistle comes from the air moving past the throttle body at part throttle.
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'02 MCS Dark Silver with White roof and Lapis Blue interior.
'07 BMW 328i in gold with beige interior
'05 Land Rover LR3 in gold with black interor
[totaled :( ]
'95 Jaguar XJS V12 in blue with beige interior
I hate to even say it.... CVT.
Sound only during accleration, goes away at a steady speed....I really hope I am wrong, but I would get it looked at.
I hope it is a true whistle...but a high frequency buzz sounds very similar....
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l 2005 MCS l 11-04 Production l owned since new l RMW Tuned l Craven -17% Pulley l Craven Speed STD l Dinan CAI l JCW 380's l H&R 19 MM Swaybar l MSD Ignition l Power Steering Fan Duct l LightInSight l "EURO" MINI Armrest l Euro Parcel Shelf l Brake Light PULSAR(gen2)l Detroit Tuned Tensioner Stop l Blitzsafe/xmradio l Cobra 19IV CB l 4.5' Francis CB25 CB Antenna, mounted on the rear tow rig!!
This reply is mostly a bump to give someone with a CVT a chance to reply.
So the sound seems to be speed related....is it engine speed...same rpm, or is it road speed related??
Is this a sudden change that just started, or has it always been there?
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l 2005 MCS l 11-04 Production l owned since new l RMW Tuned l Craven -17% Pulley l Craven Speed STD l Dinan CAI l JCW 380's l H&R 19 MM Swaybar l MSD Ignition l Power Steering Fan Duct l LightInSight l "EURO" MINI Armrest l Euro Parcel Shelf l Brake Light PULSAR(gen2)l Detroit Tuned Tensioner Stop l Blitzsafe/xmradio l Cobra 19IV CB l 4.5' Francis CB25 CB Antenna, mounted on the rear tow rig!!
It is road speed. It doesn't do it at idle, just during the 30-60mph range. The frequency is higher-pitched the faster I go. If I let off the throttle just a little, the whistle goes away. Hope that helps, Thanks.
its from your throttle body. its normal, nothing to worry about. mine did the exact same thing. I recently took my throttle body off and cleaned it and now the whistle is gone.
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'04 DS R53 MCS
just bought, stock for the moment
'04 Mystichrome Cobra
lots of stuff, 530whp/530wtq
