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Can I test my Oem diverter valve? (Dump valve)

Discussion in 'A3/S3/Sportback (8P Chassis)' started by SCHOLESY83, Jul 4, 2013.

  1. SCHOLESY83
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    SCHOLESY83 Member

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    [Jul 4, 2013]
    Hi,

    got the flutter sound happening when letting off the throttle, so took my diverter valve off ready to replace with new one. Is there a way I can perform a check on my old one? I've noticed these are electronically controlled and not working off a vacuum hose as I used to see in turbo cars.

    cheers.
    #1
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  3. hades-
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    hades- Yorkshire & Humber Rep. Regional Rep VCDS Map User

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    [Jul 4, 2013]
    yes pull the top off and check the rubber for splits damage
    #2
  4. SCHOLESY83
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    SCHOLESY83 Member

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    [Jul 4, 2013]
    Did that, rubbers fine? So does that mean the valves fine? Why else would I be getting this flutter noise all of a sudden when I lift off throttle?
    #3
  5. hades-
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    hades- Yorkshire & Humber Rep. Regional Rep VCDS Map User

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    [Jul 4, 2013]
    with out hearing it i cant say
    have you got another DV to try ?
    #4
  6. Adamj
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    Adamj Member

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    [Jul 4, 2013]
    I'm on stage 2+ and every time I change get it sounds like a turkey is underneath 😆 I didn't do it on the stock map
    #5
  7. hades-
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    hades- Yorkshire & Humber Rep. Regional Rep VCDS Map User

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    [Jul 4, 2013]
    what air filter are you running ?
    2+ will kill the non revised DV prety quick
    #6
  8. Adamj
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    Adamj Member

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    [Jul 4, 2013]
    I'm running the neuspeed p-flow, I have the revised dv one of my first mods
    #7
  9. gilberto
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    gilberto Member

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    [Jul 4, 2013]
    My car makes a dump valve type sound on gear change/lift off, i'm running ITG CAI. From what i've read it's normal. My old Evo did the same when i was running the standard DV.

    Running the Rev G DV.
    #8
  10. SCHOLESY83
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    SCHOLESY83 Member

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    [Jul 4, 2013]
    Unfortunately no, I've had to order a new one from Audi. But concerned this valve may not be the fault:(
    #9
  11. SCHOLESY83
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    SCHOLESY83 Member

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    [Jul 5, 2013]
    Is there a way i can test the operation of this valve and make sure the solenoid is working, plug it back in whilst unfitted and start rev the car? or put 12volts across the terminals or something??
    #10
  12. Jackie Brown
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    Jackie Brown Member

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    [Jul 20, 2013]
    log with VCDS and check diagnostic it usually brings up 'Faulty DV' or similar wording


    :)
    #11

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