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Author Topic: Strange air leak  (Read 1806 times)

Offline Rob Zombie

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Strange air leak
« on: 13 December 2012, 17:37 »
Hi guys

In getting a strange air leak... It seems to be from the pipe on the right just behind the manifold.

When I pull it up, the car starts to idle nicely again.

Can anyone help with wht pipe this is?

Any help would be appreciated

Cheers
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Performance mods: Revo stage 2 map, 5 Peice Hose Kit & TIP, Evoloution Motorsport Air Filter, N249 by-pass, Forge spliter valve, ECS N75 Valve, KW 50mm springs &shocks, Front & Rear Eiabach ARB, Full Milltek Turbo back exhaust.
 
BHP: 231
TRQ: 251.7 lb-ft

Offline GTI.T

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Re: Strange air leak
« Reply #1 on: 13 December 2012, 18:47 »
just a rough guess sounds like your vacum hose
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Offline Rob Zombie

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Re: Strange air leak
« Reply #2 on: 13 December 2012, 19:10 »
Okay cheers - when I pull it up - it stop hissing. Quite strange :s
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Performance mods: Revo stage 2 map, 5 Peice Hose Kit & TIP, Evoloution Motorsport Air Filter, N249 by-pass, Forge spliter valve, ECS N75 Valve, KW 50mm springs &shocks, Front & Rear Eiabach ARB, Full Milltek Turbo back exhaust.
 
BHP: 231
TRQ: 251.7 lb-ft

Offline Rob Zombie

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Re: Strange air leak
« Reply #3 on: 14 December 2012, 11:36 »
Hi Guys,

Finally managed to graba  picture of my engine bay and circled where the problem lays in the photo below. If i pull the pipe up, the leak stops. It only starts again if I give the car some beans.



Can anyone advise if they ahve come across this problem before - or part numbers for this pipe etc?

Cheers
« Last Edit: 14 December 2012, 11:38 by Rob Zombie »
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Performance mods: Revo stage 2 map, 5 Peice Hose Kit & TIP, Evoloution Motorsport Air Filter, N249 by-pass, Forge spliter valve, ECS N75 Valve, KW 50mm springs &shocks, Front & Rear Eiabach ARB, Full Milltek Turbo back exhaust.
 
BHP: 231
TRQ: 251.7 lb-ft

Offline GTi_James

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Re: Strange air leak
« Reply #4 on: 14 December 2012, 12:08 »
replace that with a catch can, problem solved
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Mk4 Golf 1.8t AUM, Wintersports Addition. PiperX panel filter, 008p Forge DV, Toyosports DP 3", Miltek Anni Style CatBack non resonated, APR Sport CAT 200Cell, Catch Can RS4 Reps 18s, OEM R32 front and OEM

Offline Rob Zombie

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Re: Strange air leak
« Reply #5 on: 14 December 2012, 12:22 »
Thanks mate - can you advise whatt he pip actually is and what's it function? what would the catch can do to sort my problem out?

I'm new to the mk4's you see!  :grin:

Ta
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Performance mods: Revo stage 2 map, 5 Peice Hose Kit & TIP, Evoloution Motorsport Air Filter, N249 by-pass, Forge spliter valve, ECS N75 Valve, KW 50mm springs &shocks, Front & Rear Eiabach ARB, Full Milltek Turbo back exhaust.
 
BHP: 231
TRQ: 251.7 lb-ft

Offline Dalo Harkin

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Re: Strange air leak
« Reply #6 on: 14 December 2012, 12:49 »
looks like a brake booster pipe to me  :undecided:
but its a different engine to mine so unless it links into the PCV somewhere...
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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 GTi_James

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Re: Strange air leak
« Reply #7 on: 14 December 2012, 12:52 »
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Mk4 Golf 1.8t AUM, Wintersports Addition. PiperX panel filter, 008p Forge DV, Toyosports DP 3", Miltek Anni Style CatBack non resonated, APR Sport CAT 200Cell, Catch Can RS4 Reps 18s, OEM R32 front and OEM

Offline Dalo Harkin

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Re: Strange air leak
« Reply #8 on: 14 December 2012, 13:23 »
Quote from: GTi_James on 14 December 2012, 12:52
PVC system

Not more window sellers  :grin:
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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 GTi_James

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Re: Strange air leak
« Reply #9 on: 14 December 2012, 13:25 »
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Mk4 Golf 1.8t AUM, Wintersports Addition. PiperX panel filter, 008p Forge DV, Toyosports DP 3", Miltek Anni Style CatBack non resonated, APR Sport CAT 200Cell, Catch Can RS4 Reps 18s, OEM R32 front and OEM
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