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How to Drain/Refill Automatic Transmission

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Fortech, Dec 5, 2009.

  1. Jun 2, 2018 at 10:41 AM
    #1121
    babylon5

    babylon5 Well-Known Member

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    drain and file completed. Added about .5 quarts more than i drained since i understand the underfill is quite common.
    Started the engine and removed the fluid level plug and nothing came out... Temp was about 75F in transmission.
    once temp hit 90F it started to dribble and kept going. As soon as my ultragauge indicated 116.8 (its seems to go up in 2.8F increments) i reinstalled the fill level plug..

    once it all cools down i will torque everything up.

    so looks like it was indeed about .2 to .3 quarts low.

    Total cost $36 for the 4 quarts of WS...

    Fluid that came out looked good and my main intention was to correct the possibility of the factory underfill.
    think the magnefine filter is doing its job quite well since fluid didnt even have a hint of the very fine metallic particles you often see.

    Ultraguage is showing max temps of 170F so fluid should be holding up just fine.

    now that i know how easy this is to do i will probably do one in every three years since its cheaper than an oil change.
     
    spitdog likes this.
  2. Jun 3, 2018 at 9:46 PM
    #1122
    Loco38SUP

    Loco38SUP Well-Known Member

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    I just did another drain and fill, this was the 3rd in 70,000 miles. The service was probably not needed but for $25 its cheap insurance. I drained 2.75 quarts and added 3. When I pulled the overflow about .25 drained out. Here are the steps I followed.

    1- Remove 24mm fill plug
    2- Remove 14mm drain plug
    3- Drain fluid
    4- Install 14mm drain plug
    5- Add 3 quarts of WS fluid
    6- Install 24mm fill plug
    7- Install jumper wire, pins #4 and #13
    8- Turn truck on and cycle through gears
    9- Cycle through neutral and drive quickly x6
    10- Watch AT Temp light come on 2 seconds then disappear
    11- Put truck in Park, AT Temp light will come on 2 seconds again then disappear
    12- Wait for AT Temp light to turn on and stay on
    13- Remove over flow plug 5mm hex
    14- Drain fluid until a trickle, better described as a continuous drip.
    15- Install overflow plug
    16- Remove jumper

    And done.

    -RJM
     
    Last edited: Jun 3, 2018
    GARSHA91 and DVexile like this.
  3. Jun 4, 2018 at 9:37 AM
    #1123
    babylon5

    babylon5 Well-Known Member

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    And this why i bought the ultragauge..can skip all of this and get a real temp reading.
    ------------------------------------------------------------------------------------------

    7- Install jumper wire, pins #4 and #13
    8- Turn truck on and cycle through gears
    9- Cycle through neutral and drive quickly x6
    10- Watch AT Temp light come on 2 seconds then disappear
    11- Put truck in Park, AT Temp light will come on 2 seconds again then disappear
    12- Wait for AT Temp light to turn on and stay on
     
    Dane likes this.
  4. Jun 4, 2018 at 9:44 AM
    #1124
    07 sport 4x4

    07 sport 4x4 Well-Known Member

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    X2 I love my Ultragauge.
     
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  5. Jun 4, 2018 at 10:31 AM
    #1125
    babylon5

    babylon5 Well-Known Member

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    From the looks of it the transmission drain plug is the same size as the engine oil drain plug and has same torque setting (29 ft/lbs) and both are going into a steel pan.

    Any reason we cant just use one of the oil drain plug washers in place of the more expensive steel crush washers??
     
  6. Jun 4, 2018 at 10:40 AM
    #1126
    Scott B.

    Scott B. Well-Known Member

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    I use copper crush washers for all my drain and fill plugs.
     
  7. Jun 4, 2018 at 11:45 AM
    #1127
    spitdog

    spitdog Well-Known Member

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    Some people just reuse them.
     
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  8. Jun 4, 2018 at 1:20 PM
    #1128
    Loco38SUP

    Loco38SUP Well-Known Member

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    Loud as hell URD exhaust!
    I’m guilty. :anonymous:

    -RJM
     
    07 sport 4x4 likes this.
  9. Jun 10, 2018 at 6:34 AM
    #1129
    babylon5

    babylon5 Well-Known Member

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  10. Jun 10, 2018 at 8:13 PM
    #1130
    babylon5

    babylon5 Well-Known Member

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  11. Jun 13, 2018 at 8:40 AM
    #1131
    GARSHA91

    GARSHA91 YES, that is me on that Facebook group

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    Where did you get these?
     
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  12. Jun 13, 2018 at 9:04 AM
    #1132
    Scott B.

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    Auto parts store.

    Look on the rack by the oil filters - drain plug washers, usually in a yellow/black package. Dorman, I think.

    The huge ones they should have behind the counter. It can be hit or miss, depending on the store. I need to find a more reliable supply for the big ones.

    You can also get them from Toyota. A little more expensive, but readily available.
     
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  13. Jun 30, 2018 at 3:33 PM
    #1133
    nach73

    nach73 Well-Known Member

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    Just did the flush.
    Hats off to this thread and to all with the positive support throughout the thread.
    :bananadance:
     
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  14. Jul 8, 2018 at 11:30 AM
    #1134
    jhu23456

    jhu23456 New Member

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    zero
    ugh, 58 pages and counting on this subject!!!!! where is a diagram of fill plug for Automatic Transmission on a 4x4??????? (2015 4x4 Toyota Tacoma Pro)
    4x4 have a transfer case where they are showing on 4x2, and there are lots of bolts
     
  15. Jul 8, 2018 at 12:43 PM
    #1135
    07 sport 4x4

    07 sport 4x4 Well-Known Member

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    A750F

    D83CAE76-F074-4855-910E-31C919A30512.jpg
     
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  16. Jul 8, 2018 at 2:35 PM
    #1136
    spitdog

    spitdog Well-Known Member

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    Ugh, first post and you act frustrated at the content. Did you ever try google?
     
  17. Jul 8, 2018 at 3:33 PM
    #1137
    ABNFDC

    ABNFDC Well-Known Member

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    Or even just getting under his truck and looking for it
     
  18. Jul 17, 2018 at 3:02 PM
    #1138
    Pcyc

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  19. Jul 23, 2018 at 5:33 AM
    #1139
    bren5279

    bren5279 Well-Known Member

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    Does anyone know if you can do this without the driveshafts on? (Mine are currently disconnected due to diff regearing)
     
  20. Jul 23, 2018 at 6:38 AM
    #1140
    seedy_tea

    seedy_tea Well-Known Member

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    I dont see why not... only issue is you might not fully circulate the fluid before the level check. I chose to drive around the block before checking the level. shifting thru the gears stationary might be sufficient, but idk. probably more of an issue if you do the full flush via cooler line rather than just a drain/fill.
     

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