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  1. #1
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    can someone tell me the difference between these three valves...???

    what is the ultimate difference between these three valves? are they all present in the 1.8T engine? and what are their functions?


    part number: 026 906 283J


    part number: 034 906 283J


    part number: 028 906 283

    Thanks.
    A4 2.0T FSI Avant S Line Quattro - Phantom Black

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  3. #2
    Mcgough's Avatar
    4th Gear

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    they are in exact order......

    a woof woof

    a poof poof

    and a swoosh swoosh

    hope that helps!
    2010 A4 Avant B8 S-Line Executive 143ps 2.0 Tdi Ice Silver

    Extras - 5 spoke 18's, Comfort Pack, Electric Seats, Start-Stop, alcantara/leather, Silver Stitching, Factory Tints all round, Cruise control, symphony 6 disc changer, mobile phone prep low



    Previously Owned 2002 Red A4 Avant Quattro Tdi 130 , 2004 Red A4 Avant Quattro Tdi 130

  4. #3
    1st Gear

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    They are all 'electropneumatic valves', simply an electrically controled variable pressure/vacuum valve.

    They are generally used in the boost control system, and EGR control system, basically anywhere an ECU controlled valve is needed.

    They are all pretty much the same basic design, some just open a different amount at a different voltage, or have a different number of inlet/outlets.

    Some valve info

    http://www.msi-motor-service.com/xim...087_en_web.pdf

    http://www.msi-motor-service.com/xim...089_en_web.pdf

    http://www.msi-motor-service.com/xim...076_en_web.pdf
    Last edited by inigoj; 21st May 2007 at 20:06.

 

 

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