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Author Topic: Weird exhaust blow sound after start up *vid*  (Read 2272 times)

Offline rio_gti

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Weird exhaust blow sound after start up *vid*
« on: 31 August 2014, 11:44 »
Only from cold do I get this sound like the exhaust blows... About 10 seconds after start up, also the turbo spool sound increases a lot, and it almost chokes like too much fuel is getting in!!!!

Anyone experience this?

http://youtu.be/TkTi1n9VBc8
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2000 GTI 1.8t ARZ, S2000 filter, DSG intake, Forge 007 dv, Catch can, R-tech custom remap, 3" Supersize Silicone TIP, Powerflex dog bone, 'The Beast' FMIC, Ultimate delete, LCR fuel pump, 3" Turbo back, K03 hybrid, Ported Manifold, S3 injectors, 80mm maf = 280bhp 270lbft :evil:

Offline TETSUOXGEZ

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Re: Weird exhaust blow sound after start up *vid*
« Reply #1 on: 31 August 2014, 19:58 »
That sounds like its right after the turbo, maybe down pipe...

It's really sus especially when you can hear the turbo spool that loud
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Offline Dalo Harkin

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Re: Weird exhaust blow sound after start up *vid*
« Reply #2 on: 01 September 2014, 12:38 »
Rio, I take it you have checked the downpipe and exhaust for leaks?
have you checked around the turbo / manifold too (is it louder in the bay?)

So sad for you mate because the spec is a monster  :cry:
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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 rio_gti

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Re: Weird exhaust blow sound after start up *vid*
« Reply #3 on: 02 September 2014, 00:10 »
Yep!!! But it only happens on cold start up.... Once in the morning and once when I finish work!!! That's what makes it even harder to pin point.

It not so loud after a while but I know something isn't right with it



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2000 GTI 1.8t ARZ, S2000 filter, DSG intake, Forge 007 dv, Catch can, R-tech custom remap, 3" Supersize Silicone TIP, Powerflex dog bone, 'The Beast' FMIC, Ultimate delete, LCR fuel pump, 3" Turbo back, K03 hybrid, Ported Manifold, S3 injectors, 80mm maf = 280bhp 270lbft :evil:

Offline gti_shaun

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Re: Weird exhaust blow sound after start up *vid*
« Reply #4 on: 02 September 2014, 08:33 »
If it's still running the triangle gasket between manifold and turbo  (K03/K03s type flange)  I will put money on that, if you can get down depending on access on yours put you fingers around where the gasket is and get some on start it up(cold) it gets hot pretty quick so check it quick and be carefull :grin:
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Offline rio_gti

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Re: Weird exhaust blow sound after start up *vid*
« Reply #5 on: 02 September 2014, 08:54 »
Lol yeah I know about a 8 second window to test that one.... But need to wait about 10 seconds befor it starts making the noise I'm looking for!!!!
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2000 GTI 1.8t ARZ, S2000 filter, DSG intake, Forge 007 dv, Catch can, R-tech custom remap, 3" Supersize Silicone TIP, Powerflex dog bone, 'The Beast' FMIC, Ultimate delete, LCR fuel pump, 3" Turbo back, K03 hybrid, Ported Manifold, S3 injectors, 80mm maf = 280bhp 270lbft :evil:

Offline Dalo Harkin

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Re: Weird exhaust blow sound after start up *vid*
« Reply #6 on: 02 September 2014, 13:00 »
Its just that the noise, sounds horrendous  :shocked:
I was thinking more the engine side to be honest, have you been hammering it since the remap?
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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 rio_gti

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Re: Weird exhaust blow sound after start up *vid*
« Reply #7 on: 02 September 2014, 17:09 »
tell me about it... and if you give it a little blip when it sounds like this its like it chokes and nearly stalls!!!

I have done but nothing unusual!!

also at any time if you put it in reverse and blip the throttle whilst reversing, and then put the clutch down and the throttle, the car either dies or the revs just catch before cutting out and go back up to normal.....

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2000 GTI 1.8t ARZ, S2000 filter, DSG intake, Forge 007 dv, Catch can, R-tech custom remap, 3" Supersize Silicone TIP, Powerflex dog bone, 'The Beast' FMIC, Ultimate delete, LCR fuel pump, 3" Turbo back, K03 hybrid, Ported Manifold, S3 injectors, 80mm maf = 280bhp 270lbft :evil:

Offline Dalo Harkin

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Re: Weird exhaust blow sound after start up *vid*
« Reply #8 on: 03 September 2014, 12:41 »
Quote from: rio_gti on 02 September 2014, 17:09
also at any time if you put it in reverse and blip the throttle whilst reversing, and then put the clutch down and the throttle, the car either dies or the revs just catch before cutting out and go back up to normal.....

timing  :undecided:
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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 :)
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