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Thread: Transmission fluid change without filter replacement

  1. #256
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    Quote Originally Posted by ruthrj View Post
    Engine running. Easiest way seems to be removing the air box but keeping it plugged in. Run until the blue dash light goes off and check ATF stick while engine is on.
    Thanks.

    That's what I figured, although it seems "awkward" to be laying under a running vehicle..

    I've seen a couple of recommendations here for getting an ODB2 reader to get the tranny temp, but I have bought and downloaded two different software packages (TorquePro and ScanTool) and neither reads transmission temp that I can see. ScanTool has Mazda-specific PIDs for sale by model year, but they have yet to configure the package for 2019 (apparently delays on Mazda's end).

  2. #257
    Registered Member yrwei52's Avatar
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    Arrow Transmission fluid change without filter replacement

    Quote Originally Posted by Avoidin Deer View Post
    I haven't seen anyone mention whether you check the ATF level with the engine running (like every car I've had with the standard accessible dipstick), or with the engine off.
    It’s been mentioned many times before. Here's the official procedure to check ATF level for CX-5:

    Quote Originally Posted by yrwei52 View Post
    Nice!

    ATF level should be at the central marker area on the dipstick at 122°F while the engine is running. Make sure to shift into all possible gears during the warm-up.

    Judging by the color of your drained ATF, I may consider another drain-and-fill if I were you.


    Attachment 219691

  3. #258
    Registered Member CX-5um's Avatar

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    Been awhile but If I recall correctly:

    The Blue light turns off at 131F.
    Pro Torque app picks up coolant temp...to be used as reference temp for atf fluid.

  4. #259
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    Quote Originally Posted by CX-5um View Post
    Been awhile but If I recall correctly:

    The Blue light turns off at 131F.
    Pro Torque app picks up coolant temp...to be used as reference temp for atf fluid.
    I have a temp gauge...no lights. I'd imagine one of the apps I have measures coolant temp.

    I'm still waiting for ScanTool to release the Mazda-specific PIDs for the 2019 model year ($9.99 to buy that software). They say that there's a delay on Mazda's side this year in getting them the data. I can't imagine what the problem might be...the major changes due to cylinder deactivation should have flushed through the 2018 software.

    It's weird that the instructions cite a specific temp for tranny fluid with no suggestions on how to determine it.

  5. #260
    Registered Member yrwei52's Avatar
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    Arrow Transmission fluid change without filter replacement

    Quote Originally Posted by Avoidin Deer View Post
    ⋯ It's weird that the instructions cite a specific temp for tranny fluid with no suggestions on how to determine it.
    In step 4.(1) of “Adjust the ATF level”, “Connect the M-MDS to the DLC-2 and display the PID TFT”, this Mazda system used by Mazda dealer displays the PID’s with many informations including engine coolant temperature and ATF temperature.

  6. #261
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    Quote Originally Posted by Avoidin Deer View Post
    I have a temp gauge...no lights. I'd imagine one of the apps I have measures coolant temp.

    I'm still waiting for ScanTool to release the Mazda-specific PIDs for the 2019 model year ($9.99 to buy that software). They say that there's a delay on Mazda's side this year in getting them the data. I can't imagine what the problem might be...the major changes due to cylinder deactivation should have flushed through the 2018 software.

    It's weird that the instructions cite a specific temp for tranny fluid with no suggestions on how to determine it.
    Since there is no worry about the trans being over filled and you didn't do a transmission fluid replacement, you can just drive the car until the needle is at normal operating temperature and then check to see if the level falls somewhere between the marks. If it looks low then use a reader and get the trans to the exact temperature and check it. Mine has a temperature gauge too, I prefer it over a dummy light.

  7. #262
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    Quote Originally Posted by Avoidin Deer View Post
    Thanks.

    That's what I figured, although it seems "awkward" to be laying under a running vehicle..

    I've seen a couple of recommendations here for getting an ODB2 reader to get the tranny temp, but I have bought and downloaded two different software packages (TorquePro and ScanTool) and neither reads transmission temp that I can see. ScanTool has Mazda-specific PIDs for sale by model year, but they have yet to configure the package for 2019 (apparently delays on Mazda's end).
    Pretty sure you’ll have to get it from underneath with the turbo. Wiring harness and turbo plumbing are in the way.

    I’d love to hear how you go about it if you do wind up getting it from above.

    Please keep us updated.

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