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+--- Thread: Turbo pipe valve (/showthread.php?tid=11559)
Turbo pipe valve - Slam Wagon - 03-03-2013
Whats the purpose of the butterfly valve in the original boost piping?
Thanks
Ian
RE: Turbo pipe valve - Jonny81191 - 03-03-2013
butterfly valve? er, where?
RE: Turbo pipe valve - cwspellowe - 03-03-2013
Sure it's not a bit of dead turbo just kinda floating around in there?
RE: Turbo pipe valve - DeeTurbo - 03-03-2013
(03-03-2013, 08:52 PM)PE02KHG Wrote: Whats the purpose of the butterfly valve in the original boost piping?
Thanks
Ian
Is it 2001 onwards?
It could be the doser, it's there to help the EGR. It closes and more exhaust gasses go in to the engine.
RE: Turbo pipe valve - Slam Wagon - 03-03-2013
Its a 2002, was bolted to the bottom of the standard inlet elbow. Pretty sure it wasnt just a bit of turbo. But after fitting my intercooler today im getting some worrying vibrations through the pedals, not a clue what it could be.
RE: Turbo pipe valve - Poodle - 03-03-2013
It's the air doser. Works by partially closing when the egr is open so that more exhaust gas is drawn through.
RE: Turbo pipe valve - DeeTurbo - 03-03-2013
Yeah, that's the doser. I would get an earlier model elbow as the flap will restrict the air flow a little.
Is the vibration coming from the clutch pedal? I had it on my clutch pedal after removing my EGR valve, basically the cable got moved about and was touching the turbo inlet pipe, the vibration was coming from that and up the cable.
RE: Turbo pipe valve - Slam Wagon - 03-03-2013
yeah from the clutch mainly, and from the accelerator as well i think but not as much as the clutch. ive fitted my intercooler now so that valve has gone. and the egr is blanked off. ill check out my cable routing, this was a suspicion but i thought it was all clear. thanks
ian