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Thread: Disco 3/4 Automatic Transmission FAQ - 6 Speed

  1. #601
    Join Date
    Jul 2013
    Location
    Perth
    Posts
    1,463
    Ok, first oil sample taken after 12,000km on the BMV. A point worth noting here - I flushed probably around 18 litres through my transmission when I done the change (hard to tell exact amount as I was pumping it out of a 20L drum which is now very light), and even with that amount there is still a significant portion of the old LG6 in the oil. The additive pack is different between the two oils - specifically the calcium and phosphorus.
    BMV vs LG6.jpg
    The most recent sample from running the BMV shows the calcium and phos levels higher than unused BMV so I've still got a reasonable potion of LG6 floating around in there. Viscosity is also up, although the BMV is thicker than LG6, my current viscosity is currently in between the two. Theres also been a drop in contamination levels since the last sample when I changed the oils, however I would have liked to see a further decrease in the contamination levels. Below is the current trans sample results - second from the left 11-Jul-216 was sampled at trans failure.
    oil 6hp26.jpg
    So my take on this so far - my current flushing method does not work all that well I was pumping the fluid straight out from the cooler and refilling. So clearly this is not flushing the torque converter as I was hoping. So it may be worth finding someone with a full flush machine to do the job for you, or after the first oil change look at dropping the interval for an oil change down (I run out to 90,000km on the first oil change with some extra filtration).
    Shane
    2005 D3 TDV6 loaded to the brim with 4 kids!
    http://www.aulro.com/afvb/members-rides/220914-too-many-defender-write-ups-here-time-d3.html

  2. #602
    Join Date
    Jan 1970
    Location
    NSW far north coast
    Posts
    15,836
    Quote Originally Posted by shanegtr View Post
    So my take on this so far - my current flushing method does not work all that well I was pumping the fluid straight out from the cooler and refilling. So clearly this is not flushing the torque converter as I was hoping. So it may be worth finding someone with a full flush machine to do the job for you, or after the first oil change look at dropping the interval for an oil change down (I run out to 90,000km on the first oil change with some extra filtration).
    Bugger, it sounded promising.

    Looks like I'll stick to three/four dump and fills.

  3. #603
    Join Date
    Jul 2013
    Location
    Perth
    Posts
    1,463
    Quote Originally Posted by rick130 View Post
    Bugger, it sounded promising.

    Looks like I'll stick to three/four dump and fills.
    Tell me about it, it wasn't what I was expecting to see.
    Shane
    2005 D3 TDV6 loaded to the brim with 4 kids!
    http://www.aulro.com/afvb/members-rides/220914-too-many-defender-write-ups-here-time-d3.html

  4. #604
    Join Date
    Apr 2012
    Location
    Whyalla, South Australia
    Posts
    2,711
    Excellent work regardless of the results as it has given insight. Disco 3/4 Automatic Transmission FAQ - 6 Speed
    Cheers
    Tombie

    D4 MY11 - Stormy

    D90 MY15 - Ike
    D2 TD5

    Tesla Cybertruck Tri-Motor AWD On order...due 2021
    Gone - D1 AZZKIKR - 5.0L Supercharged with the lot
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    Two wheels
    2007 Suzuki M109R LE
    2020 Suzuki Katana

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