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Author Topic: Strange Whistle!!  (Read 2008 times)

Offline Mr-B

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Strange Whistle!!
« on: 07 August 2014, 01:08 »
My car has developed this strange whistle sounds like a leak somewhere but i have checked all the pipework for the intercooler. n75 and the TIP and cannot for the life of me work out where its comeing from.

The car is boosting ok and is pulling like it always has which i would of thought would be down on power if it was a boost leak?

here is a video that might help

https://www.youtube.com/watch?v=Nj0C-Bh1N0g&feature=youtu.be

many thanks!

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Mk4 AGU 1.8T, JOM Coilovers, Creation Motorsports TIP, FMIC 2.5", WhiteLine ARB, WhiteLine Droplinks, Brembo Drilled & Grooved F/R, Forge Spacers, K&N Oil Filter, Forge Catch Tank, ECS Dogbone Mount, Custom Side Exit 2.5" (Work In Progress)

Offline MoMartin

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Re: Strange Whistle!!
« Reply #1 on: 07 August 2014, 01:17 »
My golf did this when i first got it, mine turned out to be the coupler / connector between the pancake pipe and the intercooler that made the noise. i ended up buying a new longer connector because mine seemed too short to be able to keep a tight fit.

it took a lot of messing around with mine to eventually source the sound and sort it (adjusting the jubilee clip / T clamp) , and it didn't feel like i was loosing any power through it either.
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Offline Mr-B

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Re: Strange Whistle!!
« Reply #2 on: 07 August 2014, 01:32 »
I have a FMIC fitted. I user the original pipework with the n75 and DV take off onto the 2.5" pipework.  Ive pulled it all off and refitted it twice and cannot for the life of me figure where its leaking.  Will get some photos in the morning of the pipework make sure its all correct.
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Mk4 AGU 1.8T, JOM Coilovers, Creation Motorsports TIP, FMIC 2.5", WhiteLine ARB, WhiteLine Droplinks, Brembo Drilled & Grooved F/R, Forge Spacers, K&N Oil Filter, Forge Catch Tank, ECS Dogbone Mount, Custom Side Exit 2.5" (Work In Progress)

Offline MoMartin

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Re: Strange Whistle!!
« Reply #3 on: 07 August 2014, 02:24 »
I have a fmic too, so I wouldn't be surprised if it is in the place I'm talking about. Judging by what mine did, mine would change the pitch and tone of the whistle if I adjusted it a certain way, and it took me hours and hours to actually fully sort it (had to leave the front bumper off to get access to it, then drive it down the road and back to see if it's sorted each time.)
Does it sound like the sound is coming from the drivers side?
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Offline Dalo Harkin

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Re: Strange Whistle!!
« Reply #4 on: 07 August 2014, 12:16 »
have you checked around the injectors?
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ARZ K03s, Oettinger Side Skirts, R32 front, Carbon stage 2, Forge 007p (yellow spring), Forge Actuator (yellow spring), Pipercross panel filter with DSG parts, N249 and N112 deleted, SAI deleted, Carbon canister deleted, Rear wiper deleted, Long Life turbo back custom exhaust with 200 cell sports cat, VR6/G60 clutch kit, Creation Motorsport TIP, Catch can, 'Wellycooler', K04 charge pipe, S3 ported inlet manifold - looks pretty standard on the outside though :)

Offline Mr-B

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Re: Strange Whistle!!
« Reply #5 on: 07 August 2014, 15:36 »
I have checked all the vacume lines from the inlet o the boost gauge and to the dumpvalve. Checked all the connections in the fmic checked TIP and all connections. can't work out whats causing this!   :whistle:
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Mk4 AGU 1.8T, JOM Coilovers, Creation Motorsports TIP, FMIC 2.5", WhiteLine ARB, WhiteLine Droplinks, Brembo Drilled & Grooved F/R, Forge Spacers, K&N Oil Filter, Forge Catch Tank, ECS Dogbone Mount, Custom Side Exit 2.5" (Work In Progress)

Offline Dalo Harkin

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Re: Strange Whistle!!
« Reply #6 on: 07 August 2014, 16:30 »
have you checked where your injectors go into the inlet  :wink:
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ARZ K03s, Oettinger Side Skirts, R32 front, Carbon stage 2, Forge 007p (yellow spring), Forge Actuator (yellow spring), Pipercross panel filter with DSG parts, N249 and N112 deleted, SAI deleted, Carbon canister deleted, Rear wiper deleted, Long Life turbo back custom exhaust with 200 cell sports cat, VR6/G60 clutch kit, Creation Motorsport TIP, Catch can, 'Wellycooler', K04 charge pipe, S3 ported inlet manifold - looks pretty standard on the outside though :)

Offline dazzaturbomad

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Re: Strange Whistle!!
« Reply #7 on: 10 August 2014, 13:41 »
pull off your inlet pipe to turbo,put a extendable mirror down and check turbo blades are straight,if there curled around then thatl be problem,just happened to mine due to dump valve sticking causeing turbo to stall,just had to replaced complete unit :sick:
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