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  1. #1
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    EGR Valve and Engine Breather

    hi,

    I have just purchased an 2007 Audi A3 2.0 Tdi 170, and its done 37,000 miles.

    Previously i owned a bmw 320D, and had to have the EGR cleaned out and Engine Breather (crankcase breather) replaced every 20k miles. Is there any need for this on these Audi's?

    thanks

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  3. #2
    devonmikeyboy's Avatar
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    Cleaning the EGR gunk out can be helpful or just remove it completely. There is no crank case breather filter on these cars as the pipe is just plumbed start back into the air inlet system.
    06 Audi 2.0 PD140 Sport TDI Quattro S-LINE.
    Old engine 330 bhp @ flywheel 263 bhp @ wheel 490 lb torque. Audidriver write up HERE
    Now stripped and playing with an uprated Cryo treated engine fitted with bigger turbo,water/methanol,uprated injectors etc etc.Wanting 400 bhp and 500 lb torque.

    Other car 500+ bhp MK4 Golf R32 turbo.

  4. #3
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    EGR Cleaning

    How do you clean the EGR, is it a simple DIY job? Can you do it manually or with a cleaner additive?
    3.0 Tdi Q A4 Avant S-Line Dolphin Grey
    RNS-E retrofitted

  5. #4
    1210tech's Avatar
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    i want to clean the EGR valve on mine but I haven't got a clue where it is. I've seen guides on how to clean it but nobody ever includes a picture of where it is and how you remove it, any help would be very much appreciated

    mine is a 2.5tdi v6 quattro
    A4 2.5 TDi quattro sport saloon
    RNS-E DVD Nav running SW 0600 with 2007 disc including TMC function, Bluetooth Telephone, Audi iPod Interface
    18" RS6's now gone, replaced by OEM 18" S4 alloys
    Retrofit S-Line Bodykit
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  6. #5
    Turkster's Avatar
    Bro.Paul 2.5TDI Quattro Sport

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    Quote Originally Posted by 1210tech View Post
    i want to clean the EGR valve on mine but I haven't got a clue where it is. I've seen guides on how to clean it but nobody ever includes a picture of where it is and how you remove it, any help would be very much appreciated

    mine is a 2.5tdi v6 quattro
    here it is,


    you need a 5mm alan key, time consuming as the bolt on the right is sort in space to work on, i cut mine down in size to make it fit in the space and workable.

  7. #6
    Indie_DSG's Avatar
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    I thought the ERG was just below the inlet manifold right infront of the engine bay?

    Allard Motorsport do a superb replacement part:

    http://www.egrvalve.co.uk/index.php?page=products


















    Also check the picture out here for the EGR placement:

    http://images.google.com/imgres?imgu...%3D36%26um%3D1
    Indie DSG

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    A4 TDi DSG 140 Bhp S-Line Wagon - ARRIVING SOON....!!
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  8. #7
    Indie_DSG's Avatar
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    I thought the ERG was just below the inlet manifold right infront of the engine bay?

    Allard Motorsport do a superb replacement part:

    http://www.egrvalve.co.uk/index.php?page=products


















    Also check the picture out here for the EGR placement:

    http://images.google.com/imgres?imgu...%3D36%26um%3D1
    Indie DSG

    ---------------------------------------------------------------
    A3 TDi DSG 170 Bhp S-Line - GOING SOON.....!!!
    A4 TDi DSG 140 Bhp S-Line Wagon - ARRIVING SOON....!!
    ---------------------------------------------------------------
    S3 DSG Pedal For Sale...
    S3 Rear Valance & Diffuser For Sale...
    Cupra Front Splitter BNIB For Sale...
    PM me for details......

  9. #8
    devonmikeyboy's Avatar
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    Quote Originally Posted by Indie_DSG View Post
    I thought the ERG was just below the inlet manifold right infront of the engine bay?
    Your picture is from a PD140 engine Turkster has posted where it is on a 2.5tdi v6 quattro.
    06 Audi 2.0 PD140 Sport TDI Quattro S-LINE.
    Old engine 330 bhp @ flywheel 263 bhp @ wheel 490 lb torque. Audidriver write up HERE
    Now stripped and playing with an uprated Cryo treated engine fitted with bigger turbo,water/methanol,uprated injectors etc etc.Wanting 400 bhp and 500 lb torque.

    Other car 500+ bhp MK4 Golf R32 turbo.

  10. #9
    devonmikeyboy's Avatar
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    My EGR replacement pipe.
    06 Audi 2.0 PD140 Sport TDI Quattro S-LINE.
    Old engine 330 bhp @ flywheel 263 bhp @ wheel 490 lb torque. Audidriver write up HERE
    Now stripped and playing with an uprated Cryo treated engine fitted with bigger turbo,water/methanol,uprated injectors etc etc.Wanting 400 bhp and 500 lb torque.

    Other car 500+ bhp MK4 Golf R32 turbo.

  11. #10
    Indie_DSG's Avatar
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    Ahh,

    I didn't catch the 2.5Tdi bit??
    My bad.

    Devonmikeyboy,

    How did the replacement pipe effect your emissions?
    Have you had any problems with it?
    Did you have to have any mapping re-done to stop dash lights?

    I'm seriously contemplating getting the pipe for my 170 but I would like to know all the preparation points needed etc.

    Cheers,
    Indie DSG

    ---------------------------------------------------------------
    A3 TDi DSG 170 Bhp S-Line - GOING SOON.....!!!
    A4 TDi DSG 140 Bhp S-Line Wagon - ARRIVING SOON....!!
    ---------------------------------------------------------------
    S3 DSG Pedal For Sale...
    S3 Rear Valance & Diffuser For Sale...
    Cupra Front Splitter BNIB For Sale...
    PM me for details......

  12. #11
    Turkster's Avatar
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    Quote Originally Posted by Indie_DSG View Post
    I thought the ERG was just below the inlet manifold right infront of the engine bay?

    Allard Motorsport do a superb replacement part:

    http://www.egrvalve.co.uk/index.php?page=products




















    Also check the picture out here for the EGR placement:

    http://images.google.com/imgres?imgu...%3D36%26um%3D1
    Nope on my 180bhp V6 TDI it sits just in front of the Turbo unit,

  13. #12
    Indie_DSG's Avatar
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    Turk,

    That looks like apig to get at!

    Good luck.
    Indie DSG

    ---------------------------------------------------------------
    A3 TDi DSG 170 Bhp S-Line - GOING SOON.....!!!
    A4 TDi DSG 140 Bhp S-Line Wagon - ARRIVING SOON....!!
    ---------------------------------------------------------------
    S3 DSG Pedal For Sale...
    S3 Rear Valance & Diffuser For Sale...
    Cupra Front Splitter BNIB For Sale...
    PM me for details......

  14. #13
    Turkster's Avatar
    Bro.Paul 2.5TDI Quattro Sport

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    Quote Originally Posted by Indie_DSG View Post
    Turk,

    That looks like apig to get at!

    Good luck.
    TBH its not as bad as it could have been, take the heat chield off the turbo and a cut down alan key and its off in 20 mins max, to speed things up i used one of them closed ended spanners that act as a rachet, if you get my drift?

  15. #14
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    I think you should just remove the EGR gunk completely. The pipe is just plumbed start back into the air because there is no crank case breather filter on these kinds of cars.

    _________________
    I love engines!
    I love my Valve Guide Cutting Tool!

  16. #15
    JimLoskot's Avatar
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    Anybody help me please, trying to get mine off for a clean, got all the front of it off but its secured with some bolts on the bottom that I can't get to without taking the turbo off and I'm not about to do that?
    Thanks
    (A4 b6 2.5 tdi quattro AKE engine)
    Last edited by JimLoskot; 13th January 2011 at 14:34.
    2.5 tdi Quattro sport - PhatBox - DIS - Cruise - RS4 ARB - Remap - and a few other minor mods/retrofits
    2.0 TFSI A4 b7 cab - completely std for now... (the wife's car)

  17. #16
    JimLoskot's Avatar
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    finally got elsawin going, do you have to remove the starter catalytic converter to get at the bolts at the back to take the egr valve out or is there a way round this?
    2.5 tdi Quattro sport - PhatBox - DIS - Cruise - RS4 ARB - Remap - and a few other minor mods/retrofits
    2.0 TFSI A4 b7 cab - completely std for now... (the wife's car)

 

 

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