Jason Iles
Member
Registered: 19th Jun 01
Location: Bristol
User status: Offline
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I have heard that the Mk4 Golfs shouldn't be fitted with dump valves due to the type of turbo they use, is this true??
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Kif
Member
Registered: 13th Jan 05
Location: Doncaster, South Yorkshire
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I heard that jizzy, not sure if its true 
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mwg
Member
Registered: 19th Feb 04
Location: South Lakes
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I heard this also. Think your meant have a recirc one on them
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Jason Iles
Member
Registered: 19th Jun 01
Location: Bristol
User status: Offline
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quote:
Originally posted by Matty G
I heard this also. Think your meant have a recirc one on them
That was what I heard couldn't think of what it was 
So if someones selling a Golf GTI with a dump valve should I stear clear?
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John
Member
Registered: 30th Jun 03
User status: Offline
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There have been a few discussions on this subject on here.
Theres always those for an against it.
If its got a vta and you don't want it just put a recirc on when you buy it.
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Jason Iles
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Registered: 19th Jun 01
Location: Bristol
User status: Offline
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quote:
Originally posted by John
There have been a few discussions on this subject on here.
Theres always those for an against it.
If its got a vta and you don't want it just put a recirc on when you buy it.
Yeah I don't want it, just need to know if it will have done any damage to the engine? Is the main thing as they aren't to hard to remove.
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John
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Registered: 30th Jun 03
User status: Offline
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Well you'll still have to wait for jr etc to post because I don't know for sure but from what I've read it won't have.
According to some it just makes it run funny till you take it off.
Stua3turbo always says its caused no problems to his a3 though iirc.
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Jason Iles
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Registered: 19th Jun 01
Location: Bristol
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Cheers John
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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yes, the car has a drive by wire system with very sensitive MAF sensors, a Dump Valve will cause the car to run in limp home mode
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CCA
Member
Registered: 6th Dec 04
Location: Somewhere Drives: Not a bloody Vauxhall!
User status: Offline
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cant remember the user name but there is a bloke on here thats got a golf and a mini, they might be able to tell you
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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iv just told you 
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CCA
Member
Registered: 6th Dec 04
Location: Somewhere Drives: Not a bloody Vauxhall!
User status: Offline
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i posted at the same time as you
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Jason Iles
Member
Registered: 19th Jun 01
Location: Bristol
User status: Offline
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So Steve, Once you've removed it will you have to just reset the ECU? or will it automatically stop the limp mode once removed?
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VegasPhil
Premium Member
Registered: 16th Jan 05
Location: Fareham, Hants Drives: Octavia VRS
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Chewy
Corsa 2.0 16v Vegas - Sold
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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quote:
Originally posted by Jason Iles
So Steve, Once you've removed it will you have to just reset the ECU? or will it automatically stop the limp mode once removed?
should sort itself out
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Jason Iles
Member
Registered: 19th Jun 01
Location: Bristol
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cheers boss
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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let it idle for about 15mins by itself
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3CorsaMeal
Member
Registered: 11th Apr 02
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it should have a recirc one as standard.
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StuartVRS
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Registered: 9th Feb 03
Location: Bromley Common, Greater London
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Here we go again.........
Jase, they work fine and the only downside is they dont offer the best performance compared to a recirc. It wont be an issue if its had one but it depends where its fitted as they dont tend to work in the standard position. If it has been fitted where the stock recirc was, then its a straight forward replacement for recirc however if it has been fitted over on the intercooler pipe then you may need to replace the ic pipe (tis a bitch to fit). Id need to see pics of where its located first tho.
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mattfiesta
Member
Registered: 14th Jul 05
Location: Nottinghamshire
User status: Offline
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the only reason to get non re-circ would be for the noise right but since they arent "supposed" to good for the car why not fit an induction kit for wastegate chatter instead?
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StuartVRS
Member
Registered: 9th Feb 03
Location: Bromley Common, Greater London
User status: Offline
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Not worth buying an induction kit, does fuck all for performance on them and can also cause MAF sensor problems if the filters are over oiled. Also you wont hear wastegate chatter.
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mattfiesta
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Registered: 14th Jul 05
Location: Nottinghamshire
User status: Offline
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are you sure you wont hear it? only reason i suggested it was because when i fitted one to my mums astra turbo the chatter was very loud.
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StuartVRS
Member
Registered: 9th Feb 03
Location: Bromley Common, Greater London
User status: Offline
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i had an induction kit with standard recirc on the audi and you could hear a flutter, due to the standard recirc being fucked. When i replaced it with an aftermarket recirc you could not hear much at all other than a little rush of air, no flutter or chatter. I can only go by my experiences and of those that i know that have done similar, ive never heard wastegate chatter, i was always under the impression you needed an external wastegate to be able to hear that properly. If you can hear a flutter, id suggest you make sure the standard recirc is working properly.
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John
Member
Registered: 30th Jun 03
User status: Offline
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quote:
Originally posted by mattfiesta
are you sure you wont hear it? only reason i suggested it was because when i fitted one to my mums astra turbo the chatter was very loud.
It is not wastegate chatter.
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mattfiesta
Member
Registered: 14th Jul 05
Location: Nottinghamshire
User status: Offline
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what is it then? i dont know too much about turbos
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