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2TR-FE l4 coolant draining

Discussion in '2nd Gen. Tacomas (2005-2015)' started by caveman978, Sep 2, 2016.

  1. Sep 2, 2016 at 12:08 PM
    #1
    caveman978

    caveman978 [OP] New Member

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    I couldn't find a decent set of instructions or guidance on where the engine drain was.
    So I thought I would document my adventure.

    The radiator drain is driver's side bottom. I thought the plug would just turn 90 degrees. I was WRONG.
    If you use a 21mm socket you can unscrew a few rotations to open the drain. There is no need to remove this plug, just loosen it. I attached a piece of rubber fuel line I had lying around.
    [​IMG]
    [​IMG]


    Next step is to remove the passenger side front wheel.
    Then you can unhook the top of the wheel well guard to access the engine.
    [​IMG]
    [​IMG]
    [​IMG]


    Now you can see where the engine drain is.
    [​IMG]
    [​IMG]


    For this drain, I used some leftover silicone hose I had, since it was longer.
    This is 10mm and also only need a few turns to open up. No need to remove this completely.
    [​IMG]
    [​IMG]
     
  2. May 23, 2018 at 8:17 PM
    #2
    JM4by4

    JM4by4 Member

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    Thanks for the post and the pictures. Helped me out a lot! Great tip on using a 21mm socket for the radiator drain plug! I could not seem to get a hold of that drain with my pliers. I never would have thought to use a socket. I found out a 13/16 socket worked good since I couldn't find a 21mm. And that engine block drain is hard to find. I couldn't locate the engine block drain until I saw your pictures. Removing the passenger-side wheel-well guard thing was the key. I didn't need to remove the passenger-side front tire... I just turned the steering wheel all the way to the right and it gave me just enough room to get in there. Thanks again for the tips.
     
    Steves104x4 likes this.
  3. May 23, 2018 at 8:20 PM
    #3
    Bishop84

    Bishop84 Well-Known Member

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    Nice work!

    The coolant drain on blocks scare me when they are corroded like that, I would encourage caution to anyone touching that 10mm. When I see them like that on a customers car I leave it alone.
     
    Black97v6MT, roadking1 and CMD-KY like this.
  4. May 24, 2018 at 5:34 AM
    #4
    CMD-KY

    CMD-KY Well-Known Member

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    I understand your caution. How do you deal with the fluid that is not drained? Do you flush until it runs clear and then fill with undiluted antifreeze?
     
  5. Jul 1, 2018 at 4:18 PM
    #5
    roadking1

    roadking1 Well-Known Member

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    I just changed my upper and lower radiator hoses and drained the coolant.The engine block drain was extremely hard to loosen.I left it alone.Filled the radiator and drove for a few miles and then drained the radiator again and refilled it.Not the best way or the most economical but i am satisfied that I got enough new coolant in for now.
     
    Steves104x4 and CMD-KY[QUOTED] like this.
  6. Apr 12, 2025 at 6:34 AM
    #6
    Tacorific

    Tacorific Well-Known Member

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    Torque Pro, LED Map & Dome lights, Westin Hitch, Ride Rite Air bags with Daystar perches, Utility Package Rear Cab Panel
    Look up "coolant funnel" on Amazon.
     

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