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Author Topic: loss of power  (Read 2965 times)

Offline faheem

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loss of power
« on: July 30, 2011, 07:47:48 pm »
hello people, i have recently noticed my mk5 gti is not moving like it normally does, what i seem to have discovered is that when i put my foot down there is a prolonged hissing noise? normally when i release the pedal there would be a short hiss which is to do with the turbo which is normal but in this case now, as soon as i put my foot down it starts and does not stop untill i release........

anybody got any idea of what this could be ?
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Offline vRS_Pagey

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Re: loss of power
« Reply #1 on: July 30, 2011, 07:53:47 pm »
Could be the DV mate.

Mine was doing something similar - perhaps not as bad - and the problem was a split diagphram on the divertor valve, a lot of people have upgraded to the rev 'd' which is a piston type so far superior......

« Last Edit: September 03, 2011, 07:45:46 pm by vRS_Pagey »
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Offline bacillus

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Re: loss of power
« Reply #2 on: July 30, 2011, 08:00:13 pm »
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Offline Weston

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Re: loss of power
« Reply #3 on: July 30, 2011, 08:23:37 pm »
Another vote for the DV  :happy2: Should be an easy fix
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Offline faheem

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Re: loss of power
« Reply #4 on: July 31, 2011, 07:11:14 pm »
thanks lads hope that is all it is !
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Offline janus909GTI

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Re: loss of power
« Reply #5 on: July 31, 2011, 07:14:20 pm »
how much does this cost to buy and fit? can it be fitted to any model?
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Offline bacillus

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Re: loss of power
« Reply #6 on: July 31, 2011, 07:31:13 pm »
Quote from: janus909GTI on July 31, 2011, 07:14:20 pm
how much does this cost to buy and fit? can it be fitted to any model?

It's around £40ish for the latest D version and you can fit it yourself (easier if you have an ed 30).   :smiley:
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Offline vRS_Pagey

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Re: loss of power
« Reply #7 on: July 31, 2011, 07:37:36 pm »
I paid around £55 inc VAT a few months back.
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Offline faheem

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Re: loss of power
« Reply #8 on: July 31, 2011, 07:40:28 pm »
where did you buy it from  mate ?
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Offline Janner_Sy

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Re: loss of power
« Reply #9 on: July 31, 2011, 07:53:50 pm »
deaerships or tuners etc http://www.jkm.org.uk/performance/tfsidiverters.htm£45+ VAT @ JKM
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Offline crashdesk

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Re: loss of power
« Reply #10 on: July 31, 2011, 08:01:15 pm »
So the diverter will almost definitely need Changed on all mk5 GTIs?
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Offline vRS_Pagey

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Re: loss of power
« Reply #11 on: July 31, 2011, 08:46:22 pm »
If it has the old diagphram type then I would change it anyway (which I think mkV's do), the new rev 'D' type is pretty much indestructable.  :happy2:
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Offline scotta

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Re: loss of power
« Reply #12 on: August 01, 2011, 10:01:47 am »
I had the old diaphram one on my Ed30. There was nothing wrong with it but i changed it for the D revision one as a matter of course.

10 min job on the Ed30. Slightly more difficult on the standard GTi.
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Offline Weston

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Re: loss of power
« Reply #13 on: August 01, 2011, 11:35:18 am »
Quote from: crashdesk on July 31, 2011, 08:01:15 pm
So the diverter will almost definitely need Changed on all mk5 GTIs?


Mine had a massive gash in the side. Made a big difference changing it for the D version  :grin:
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Offline FamilyDub

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Re: loss of power
« Reply #14 on: August 01, 2011, 02:54:59 pm »
Quote from: faheem on July 31, 2011, 07:40:28 pm
where did you buy it from mate?

^^ OEM part from dealer 40ish plus VAT, IIRC.

Part number 06H 145 710 D, although I was told at the dealer 06H 147 710 G was a piston-type valve too. :happy2:
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MKV GTI | Reflex Silver | 5-dr, Family-Spec | 17" w/anthracite Finish | Manual | Highline | Cruise | Revision 'D' DV | Dirty Pipes |
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