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  1. #1
    RobMorris's Avatar
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    Diesel tisss and blow off

    Chaps

    Car is '53' A3 8L 2.0 tdi

    Ive noticed at low speeds/gears a dump value 'tisss' and turbo 'blow off' noise perhaps through the airbox.

    Is this normal to hear from a standard car? from cold start its at its loudest - loud enough for people down the street to turn heads!

    I dont mind the noise - In fact id like it louder! But ive not heard it from other cars, so I wonder if ive a problem?

    Cheers

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  3. #2
    L80EWY's Avatar
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    Mine does it too, I thought it was something to do with the pipes leaking or something? but I haven't really been bothered to do anything about it

  4. #3
    Fossie

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    Quote Originally Posted by RobMorris View Post
    Chaps

    Car is '53' A3 8L 2.0 tdi

    Ive noticed at low speeds/gears a dump value 'tisss' and turbo 'blow off' noise perhaps through the airbox.

    Is this normal to hear from a standard car? from cold start its at its loudest - loud enough for people down the street to turn heads!

    I dont mind the noise - In fact id like it louder! But ive not heard it from other cars, so I wonder if ive a problem?

    Cheers
    This is the 8P section mate - try posting in the 8L section !

  5. #4
    dav150n's Avatar
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    mine too

    can you get an 8l 2.0???

  6. #5
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    mine does too but it sounds cooooool wish it was louder tbh...

    Audi A3 2.0 TDi - Dolphin Grey
    Matt Black Grille / Lamin-x / Tinted Rear Windows / BOSE Premium Audio / S3 Spoiler / Coilovers / S6 19x9 Alloy Wheels / Remapped

  7. #6
    audicruiser's Avatar
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    Quote Originally Posted by mike foster View Post
    This is the 8P section mate - try posting in the 8L section !
    It must be an 8P and they never did a 2.0 TDi 8L....
    Scott

    Audi A3 Sportback 2.0T Quattro S-Line 2007 8P2
    Lava Grey, Exclusive Line Black/Silver Leather, Heated Seats, Bose, RNS-e, iPod, Auto Lights & Wipers, Interior Light Pack

  8. #7
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    It's a dump valve on your car. When you change gear after the turbo has been in, it releases the gases making the tish noise. You can actually purchase a dump valve spacer (Known as the forge dump valve spacer) which bolts onto your car and will make that noise.. louder! I've experienced this when the turbo has been in, and I lift off to change gear it sounds like a wush!

    I know someone who has the same engine as me (1.4 Turbo) and he has the dump valve fitted, sounds really good!


    Not sure if this is helpful? - Seat Leon 1.4 TSi with FORGE BOV (sound) - YouTube
    Picked up on the 30th May!

    2013 '13' Plate - Audi TT 1.8 TFSI S Line Roadster | Ibis White | Xenon Headlights with LED DRL | Half Leather/Suede with Silver Stitching | Brushed Aluminium Trim

    Gone but won't be forgotten! 2011 '11' Plate - Audi A3 1.4 TFSI S Line | Ibis White | Privacy Glass | iPod Dock | Xenon Headlights with LED DRL | Half Leather with Silver Stitching | Brushed Aluminium Trim | S3 Pedals

  9. #8
    RobMorris's Avatar
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    sorry chaps i meant 8P

  10. #9
    Fossie

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    Quote Originally Posted by MattyW19 View Post
    It's a dump valve on your car. When you change gear after the turbo has been in, it releases the gases making the tish noise. You can actually purchase a dump valve spacer (Known as the forge dump valve spacer) which bolts onto your car and will make that noise.. louder! I've experienced this when the turbo has been in, and I lift off to change gear it sounds like a wush!

    I know someone who has the same engine as me (1.4 Turbo) and he has the dump valve fitted, sounds really good!


    Not sure if this is helpful? - Seat Leon 1.4 TSi with FORGE BOV (sound) - YouTube
    Sorry mate but the 2.0l tdi BKD engine does not have a dump valve !

  11. #10
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    My car does it too - Audi A4 tdi
    Audi A4 TDi Sport 130 - Remap Booked

  12. #11
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    Quote Originally Posted by mike foster View Post
    Sorry mate but the 2.0l tdi BKD engine does not have a dump valve !
    Was waiting for that one lol!
    2006 A3 2.0 TDI Quattro S-Line l Team Heko Wind Deflectors l Celtic Tuning Remap l Rear De-Wiper l Pipercross Panel Filter l

    After a Passenger Xenon Headlight for A3 8P. No ballasts required. PM ME!!

  13. #12
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    Oh right! I've never had a diesel but it just sounded like a dump valve :/ So just out of interest, how does the turbo differ?
    Picked up on the 30th May!

    2013 '13' Plate - Audi TT 1.8 TFSI S Line Roadster | Ibis White | Xenon Headlights with LED DRL | Half Leather/Suede with Silver Stitching | Brushed Aluminium Trim

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  14. #13
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    Mine does the same and i love the sound with growing up working on my dads subaru I love the sound but prefer the A3 looks and the insurance cost for now and I love the sound, and until yesterday use to send out Bat smoke from the rear lol

 

 

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