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  1. #41
    Senior Member Four Rings Charles.waite's Avatar
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    Did you get the dipstick tube fully seated? I had to give mine a few solid taps with a hammer and a block of wood to get it to properly snap in.
    -CP
    USP CLUB MEMBER #136
    2004 A4 1.8TQ 6MT USP - APR Stage 1+ - FSI Coils - BKR7EIX-11 - 034 Rear Swaybar (Soft Setting) and Endlinks - B6S4 Front + B7A4 Rear Brakes - 034 Street Trans Mount
    2008 Brilliant Black Unicorn (2.0t S-Line Ti 6MT Avant) - Bosch FR6KPP332S
    SOLD -- 2006 A4 2.0TQ Avant Tiptronic

  2. #42
    Veteran Member Four Rings daihashi's Avatar
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    Apr 04 2010
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    57104
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    houston, tx

    go back and look at the PCV. It's next to the dipstick tube; chances are that either that or the hoses that lead up to it are pooched.

    Valve cover gasket and CCT leaks have a tendency to wander and end up in places you wouldn't expect.

  3. #43
    Veteran Member Three Rings b7a4GT30's Avatar
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    Oct 01 2010
    AZ Member #
    65128
    My Garage
    b7 a4 2.0T 6MT
    Location
    NJ

    Quote Originally Posted by Charles.waite View Post
    Did you get the dipstick tube fully seated? I had to give mine a few solid taps with a hammer and a block of wood to get it to properly snap in.
    Yes i tapped in a bunch of times with a rubber mallet!

    Quote Originally Posted by daihashi View Post
    go back and look at the PCV. It's next to the dipstick tube; chances are that either that or the hoses that lead up to it are pooched.

    Valve cover gasket and CCT leaks have a tendency to wander and end up in places you wouldn't expect.
    Ok, but if it was the PCV valve then wouldn't the oil cap be hard to take off when the engine is running?
    2007 B7 A4 2.0T 6MT

    RNS-E | Rs4 Rear Sway Bar
    OEM Bi-Xenons | Bilstein / HR
    DTM Sport Shift Knob | AWE Boost Gauge
    Custom V1 Display | RS4 Steering Wheel

    More to come!!

  4. #44
    Senior Member Four Rings Charles.waite's Avatar
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    Quote Originally Posted by b7a4GT30 View Post
    Yes i tapped in a bunch of times with a rubber mallet!



    Ok, but if it was the PCV valve then wouldn't the oil cap be hard to take off when the engine is running?
    A failed PCV valve should make it EASIER to take the oil cap off. But I've learned thats generally not a foolproof sign its the PCV, there can be a number of reasons that the block isn't under sufficient vaccum at idle to suck the oil cap down a little bit.

    It could be the PCV, and that's honestly the likeliest culprit, but it could also be a failed check valve somewhere in the vacuum system or the Suction Jet Pump.

    Heres a link for some of the PCV breather hose info: http://www.audizine.com/forum/showth...=1#post6016725

    They often snap but since they're buried behind a bunch of stuff, its hard to spot...
    -CP
    USP CLUB MEMBER #136
    2004 A4 1.8TQ 6MT USP - APR Stage 1+ - FSI Coils - BKR7EIX-11 - 034 Rear Swaybar (Soft Setting) and Endlinks - B6S4 Front + B7A4 Rear Brakes - 034 Street Trans Mount
    2008 Brilliant Black Unicorn (2.0t S-Line Ti 6MT Avant) - Bosch FR6KPP332S
    SOLD -- 2006 A4 2.0TQ Avant Tiptronic

  5. #45
    Veteran Member Four Rings waldo1324's Avatar
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    Apr 06 2009
    AZ Member #
    40830
    My Garage
    the Ghost of the Princess, 2007 Ford Fusion, 2006 Honda Accord
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    Quote Originally Posted by Charles.waite View Post
    Suction Jet Pump.
    change that -- mine was completely clogged

    oh and chec your Diverter Valve line. mine was cracked and was robbing -5 in Hg and gave me hard starts and idle.

    if Charles hasnt suggested it , check your injector seats. if they are grimy, clean em or replace

    Engage.
    ""GHETTO MODIFIERS"" member #1
    The Princess: SOLD.. i love you, please forgive me


    "I agree with Waldo 100%" -1997GTX

    ..psst if you have a 2003+ 225 TT, email me..wally.iverson(at)gmail.com

  6. #46
    Veteran Member Four Rings waldo1324's Avatar
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    the Ghost of the Princess, 2007 Ford Fusion, 2006 Honda Accord
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    Quote Originally Posted by doogie891 View Post
    WALDOOOOOOOO WTF is up with ur avatar now!!! hahahahaha! i was like who the hell just posted 3 times in a row looks like something waldo would do and it was you even before i saw it. lmfao!
    yes go forth and be blessed now my son
    ""GHETTO MODIFIERS"" member #1
    The Princess: SOLD.. i love you, please forgive me


    "I agree with Waldo 100%" -1997GTX

    ..psst if you have a 2003+ 225 TT, email me..wally.iverson(at)gmail.com

  7. #47
    Veteran Member Three Rings b7a4GT30's Avatar
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    Oct 01 2010
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    b7 a4 2.0T 6MT
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    NJ

    Ok i will check all the above!
    2007 B7 A4 2.0T 6MT

    RNS-E | Rs4 Rear Sway Bar
    OEM Bi-Xenons | Bilstein / HR
    DTM Sport Shift Knob | AWE Boost Gauge
    Custom V1 Display | RS4 Steering Wheel

    More to come!!

  8. #48
    Veteran Member Three Rings b7a4GT30's Avatar
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    Oct 01 2010
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    b7 a4 2.0T 6MT
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    NJ

    OK i went over everything and it still has the same problem. Only now i can hear a loud very pronounced hissing sound (which means a leak) towards the back of the engine bay coming from the area right dead center back of the engine bay. In this pic http://www.google.com/imgres?q=b6+a4...9,r:1,s:0,i:74 (it is located right in front of the engine wall right around the area of the diverter valve looking piece [im not sure what this is called]). Anyways, that is where the loud hissing sound is coming from.

    Any ideas?
    2007 B7 A4 2.0T 6MT

    RNS-E | Rs4 Rear Sway Bar
    OEM Bi-Xenons | Bilstein / HR
    DTM Sport Shift Knob | AWE Boost Gauge
    Custom V1 Display | RS4 Steering Wheel

    More to come!!

  9. #49
    Active Member Two Rings
    Join Date
    Nov 12 2011
    AZ Member #
    83794
    Location
    Denver, CO

    Sounds like it could be your pancake valve (PRV)... take a look at this link: http://www.audizine.com/forum/showth...-n00bs-like-me. It's #1 in the list.

    Or, maybe even more likely, the 3-way breather hose right next to it. I've had that go bad on me twice...

    Even though I don't have any bad symptoms yet, I haven't replaced any of these, so I'm going to work my way down the list as preventive maintenance (well, as preventive as one can be with nearly 165k on the clock...)

    -Mark

  10. #50
    Veteran Member Three Rings b7a4GT30's Avatar
    Join Date
    Oct 01 2010
    AZ Member #
    65128
    My Garage
    b7 a4 2.0T 6MT
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    NJ

    Ok i will look into this today. Is there a solid way of testing to see if the PCV Valve is the culprit other than starting the engine and taking the oil cap off? I did that last night at it wasn't easy to take off while the engine was idling.
    2007 B7 A4 2.0T 6MT

    RNS-E | Rs4 Rear Sway Bar
    OEM Bi-Xenons | Bilstein / HR
    DTM Sport Shift Knob | AWE Boost Gauge
    Custom V1 Display | RS4 Steering Wheel

    More to come!!

  11. #51
    Veteran Member Four Rings onceover's Avatar
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    Jun 08 2008
    AZ Member #
    29690
    My Garage
    B6 A4, 964 Carrera, 955 Cayenne S, MK1 Cabrio, T2b Westfalia
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    Calgary AB Canada
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    Quote Originally Posted by Charles.waite View Post
    A failed PCV valve should make it EASIER to take the oil cap off. But I've learned thats generally not a foolproof sign its the PCV, there can be a number of reasons that the block isn't under sufficient vaccum at idle to suck the oil cap down a little bit.
    Not always true. When one of the check valves died in my breather system it was nearly impossible to remove the cap while the engine was running. With a properly operating PCV the cap should "dance" on top of the valve cover

    2004 Audi A4 1.8T // quattro // 6 Speed // Brilliant Red
    Built 1.8T || AEB || Motoza tuned || GT3076R

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  12. #52
    Senior Member Four Rings Charles.waite's Avatar
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    Seattle, WA
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    Quote Originally Posted by onceover View Post
    Not always true. When one of the check valves died in my breather system it was nearly impossible to remove the cap while the engine was running. With a properly operating PCV the cap should "dance" on top of the valve cover
    Interesting. My PCV system is bascially all new (034 Silicon kit) and all my check valves are new as well. Could the somewhat suspect 034 billet PCV valve be an issue? Might have to order up an OEM one and see if it changes anything...
    -CP
    USP CLUB MEMBER #136
    2004 A4 1.8TQ 6MT USP - APR Stage 1+ - FSI Coils - BKR7EIX-11 - 034 Rear Swaybar (Soft Setting) and Endlinks - B6S4 Front + B7A4 Rear Brakes - 034 Street Trans Mount
    2008 Brilliant Black Unicorn (2.0t S-Line Ti 6MT Avant) - Bosch FR6KPP332S
    SOLD -- 2006 A4 2.0TQ Avant Tiptronic

  13. #53
    Veteran Member Three Rings b7a4GT30's Avatar
    Join Date
    Oct 01 2010
    AZ Member #
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    My Garage
    b7 a4 2.0T 6MT
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    NJ

    Solved the problem!!!! It was the PVC valve and the three way breather hose. I swapped them right out cleared the codes and the car is back to normal!! Thanks for all your help!
    2007 B7 A4 2.0T 6MT

    RNS-E | Rs4 Rear Sway Bar
    OEM Bi-Xenons | Bilstein / HR
    DTM Sport Shift Knob | AWE Boost Gauge
    Custom V1 Display | RS4 Steering Wheel

    More to come!!

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