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  1. #1
    Join Date
    Oct 2006
    Location
    Bellingham, WA
    Posts
    45

    Default Transmission fluid level vs VIDA temperature

    I'm trying to fill my transmission to the right level.

    I don't have VIDA, but I know it can read and log transmission temperature (as well as ambient temperature). I'd like to know the normal transmission steady-state temperature when driving at freeway speeds at various ambient temperatures (or whatever ambient you've got or can estimate).

    Given that and T501's transmission temperature curve, I can determine what the fluid level on the dipstick should be.
    Attached Thumbnails Attached Thumbnails 21168384885_b2e05ef031_o.jpg  
    Denis
    Bellingham, WA
    2006 V70 2.5T

  2. #2
    Join Date
    Mar 2005
    Location
    Pacific Northwest
    Posts
    1,927

    Default

    Should be 85-90C after 10-20min drive from my prior observation with VIDA. This is basically the thermostat opening temp as ATF cooler is sandwiched with radiator and basically a heat exchanger.
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  3. #3
    Join Date
    Feb 2010
    Location
    Virginia Beach
    Posts
    4,130

    Default

    Drive it for 20 minutes in normal temperatures. Then use the hot range.

    Close enough.

    The min/max difference is 200ml. Even if you’re off by 10 degrees, you’ll be within 50ml.
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  4. #4
    Join Date
    Aug 2013
    Location
    SE Pennsylvania
    Posts
    98

    Default

    I use a digital thermometer with a long sensor placed into the dipstick tube.

  5. #5
    Join Date
    Oct 2006
    Location
    Bellingham, WA
    Posts
    45

    Default Trans temp

    Quote Originally Posted by bugeye View Post
    I use a digital thermometer with a long sensor placed into the dipstick tube.
    I did the same. The temperature never came up to 80C. It was about 50-60C on the freeway, increasing to 60-70C when I got back onto city streets.
    Denis
    Bellingham, WA
    2006 V70 2.5T

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