All Things Mk5 > How to Guides / Troubleshooting

Diverter Valve

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baldwined30:
Really easy, remove engine cover, you may have to remove the OEM air box too, undo the diverter valve. You will need to pull the cover quite hard! The Valve is held in using T25 bolts!
Once you have it out it just un srews

Did this today for a check over funny enough!

bigkenny1781:
I must have a look at the valve .... I drove the car for a while today and couldn't help thinking it felt slow.  Off the line through the gears it was quick-ish, but in-gear felt poor, no quicker than a 1.8 T Mkiv.  I've not driven another 5 Gti so it's hard to tell, but have driven loads of Astra VXR's and although they have 40ps or so more, they feel a different league to the GTi.  It just feels pedestrian - plant your foot down at 40 in 3rd (it's DSG) and it accelerates ... but not that quickly.  I can hear the turbo spool up, but it doesn't really pull hard at all.

Black9:
Without removing the DV is a whistle the only way to really know whether it's past it's best? Will there be a big drop in performance if it is?

baldwined30:
Not sure about the loss in power but its a real easy piece to remove and check! defo worth a look even just to eliminate this as a problem.

PND:

--- Quote from: baldwined30 on July 23, 2011, 12:26:06 pm ---Not sure about the loss in power but its a real easy piece to remove and check! defo worth a look even just to eliminate this as a problem.

--- End quote ---

Easy if you've got an Ed30!  Bit more involved for standard GTI owners.. which is why I've not got round to doing it yet! :laugh:

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