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Thread: 2005 mk4 jetta tdi 5-spd 09A Transmission issue

  1. #21
    Benevolent Dictator Uwe's Avatar
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    Mixing motor oil into ATF? Why does this bother me?
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  2. #22
    NostraJackAss Jack@European_Parts's Avatar
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    Uwe

    You know I would not say it without verifying it myself.

    I even add marvel mystery oil to ATF and power steering oil.......lift hydraulic oil like from a excavator.........there all hydrostatic systems just different specs.

    Rates of expansion are what need to be observed and find the new home of sum p level needed.
    Usually only very slight differences.

    On old Chevy trans we used to run SAE straight 30 and that was real thick cold but on the farm it worked well in the heat for when we needed the PSI on rota-vators.

    I have even run gasoline, diesel and kerosene in ATF to clean it then dump it. You would be surprised what tactics like this will result with and are CHEAP!

  3. #23
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    My confusion comes from one post saying to run thinner oil and one saying run thicker. Seems to me it's a sticking solenoid as 3-4 is the only issue whatsoever. But, I don't claim to know which is why we are here seeking help.

  4. #24
    NostraJackAss Jack@European_Parts's Avatar
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    Both........That's the point.

    http://forums.ross-tech.com/showthre...d-to-3rd/page3

    Same crap just depends on due to clutch wear or both.

  5. #25
    Professional User Jetta ,97's Avatar
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    Quote Originally Posted by bar&kevs View Post
    the scan shows a 09a. jetta,97 are you talking about a dsg.
    No, I am talking about 09A transmission.Manual says it is life time fluid , HAHAHAHAHAHAHA.
    There is not life time fluid .
    Master Technician for German cars
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  6. #26
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by Jetta ,97 View Post
    There is not life time fluid .
    Sure there is, "lifetime of the transmission".

    What they don't tell you is that this lifetime will be a lot longer if you change the fluid with some regularity.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  7. Likes Jack@European_Parts, Dana, Jetta ,97 liked this post
  8. #27
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    So is there anything I can look at in VCDS to confirm or deny what is wrong? Quick recap is that no codes are shown, even when it actually happens. Tried to watch the solenoids but the hex-net seems quite delayed. My experience tells me a solenoid is physically sticking (gummed up, whatever). Basically, is there any general consensus on what the next step should be? Thank you.

  9. #28
    NostraJackAss Jack@European_Parts's Avatar
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    You could try output tests in VCDS.

  10. #29
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by Locoelectrician View Post
    So is there anything I can look at in VCDS to confirm or deny what is wrong? Quick recap is that no codes are shown, even when it actually happens. Tried to watch the solenoids but the hex-net seems quite delayed.
    VCDS can only tell you what the car knows, and only as fast as the car is willing to divulge it.

    Quote Originally Posted by Locoelectrician View Post
    My experience tells me a solenoid is physically sticking (gummed up, whatever). Basically, is there any general consensus on what the next step should be? Thank you.
    Although I know very little about automatic transmissions (I'm old school and prefer 3-pedal cars), I'm inclined to agree with you.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  11. #30
    Ross-Tech Employee Dana's Avatar
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    Quote Originally Posted by Jack@European_Parts View Post
    You could try output tests in VCDS.
    I don't think that 09A supports the Output Test function (it barely supports more than one MVB group at a time) but that would be worth a shot.

    Did anyone steer you to the 09A SSP yet? We have it linked on this page http://wiki.ross-tech.com/wiki/index...sion_%2809A%29

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