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dump valve failure making my car run like crap

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Old 04 September 2010 | 02:06 PM
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From: norfolk
Default dump valve failure making my car run like crap

hi fello scooby netters,
right i have had a slight hesitation prob for a while now it happens under light throttle between 2500-4000rpm.... well to elimonate this prob ive checked everything that would normaly spring to mind first so far ive replaced plugs, leads maf, fuel filter,oil + filter, check all the pipes etc, cleaned boost solenoid, cleaned iscv, also cleaned d.v.........all to no improvement but had to do it so i could rule them out....anyway whilst driving home last night i built up revs\ speed slowly with light throttle and soon as i got between 2500-4000rpm i could hear hissing from the d.v so oviously i have a faulty d.v its a bailyes piston type... why could this fail as there is not much to em and has any1 else had such a problem......cheers all who read this
Old 04 September 2010 | 02:25 PM
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I suggested this to you about 3 weeks ago here. It's the spring in the DV that is failing/weakening. Chuck the Baileys in the bin and fit a OE recirc.
You can just remove the Baileys and block off the hole and run with no DV, you have a TD turbo so it should not hurt until you get the OE item fitted

And this thread, currently up in General

Last edited by Glowplug; 04 September 2010 at 02:32 PM.
Old 04 September 2010 | 02:39 PM
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Originally Posted by b13bat
I suggested this to you about 3 weeks ago. It's the spring in the DV that is failing/weakening. Chuck the Baileys in the bin and fit a OE recirc.
You can just remove the Baileys and block off the hole and run with no DV, you have a TD turbo so it should not hurt until you get the OE item fitted
i know i know i should of listened to you!!!!!!!!i took it off and cleaned it up tho but it looked fine to me ,and i never heard the hissing from it ,until i opened the window n stuck me nut out whilst driving lol .....as its just a slight hiss whilst under pressure.
well people hear is a lesson learnt ,if b13bat tells you anything take note and do as your told.....lol:notwort hy
Old 04 September 2010 | 02:41 PM
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Originally Posted by turboaddict
well people hear is a lesson learnt ,if b13bat tells you anything take note and do as your told.....lol:notwort hy
I wouldn't go that far
Old 04 September 2010 | 02:51 PM
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right best get on the hunt for a oe recirc valve, any 1 got 1 for sale or point me in the right direction its for my97 uk
Old 04 September 2010 | 03:02 PM
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PM mattybr5 he's breaking a couple

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