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Opinions on Mobil 1 Synthetic ATF for 07 Tacoma?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by kkspeed, Apr 22, 2011.

  1. Apr 22, 2011 at 4:20 PM
    #1
    kkspeed

    kkspeed [OP] Member

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    Philadelphia, PA
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    07 Access Cab - 2wd / 2.7L / Auto / SR5
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    My 07 2wd Access Cab (2.7L) just turned 50,000 miles, so I'm going to flush all the fluids.

    My questions concerns the Power Steering and Automatic Transmission Fluids. I have always had great results with Mobil 1 Synthetic ATF in my other cars and was looking for opinions about using it in my 07 Tacoma.
    It always made my other cars shift smoother and I like the lubrication properties of it.

    Any opinions against it in the Tacoma?
     
  2. Apr 22, 2011 at 5:19 PM
    #2
    Steves104x4

    Steves104x4 Well-Known Member

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    BUCKLE UP! It makes it harder for Aliens to pull you out of your Truck.
    I don't see why not. Soon I'll be looking for something for my manual transmission.


    Steve
     
  3. Apr 23, 2011 at 4:03 AM
    #3
    buddywh1

    buddywh1 Well-Known Member

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    Does the 2.7 automatic transmission use ATF-WS? Formulated for improved fuel economy; what I've read is it's a very low viscosity synthetic so if you change to a fluid other than WS you'll probably get flaky shifting and bad performance since valving and torque converter are calibrated to the WS's viscosity. ATF-WS is already a high quality synthetic so don't see much gained by changing to Mobil1. Only down-side if it's not similar viscosity and similar friction modifiers, i.e, if it's not ATF-WS-rated I'd stay away from it.

    Can't see an advantage in using Mobil1 in the powersteering. But if it's designed for ATF fluid I guess it can't do any harm. If it's not designed for ATF: could it have harmful effects on seals?
     
  4. Apr 23, 2011 at 6:39 AM
    #4
    kkspeed

    kkspeed [OP] Member

    Joined:
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    Messages:
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    Gender:
    Male
    Philadelphia, PA
    Vehicle:
    07 Access Cab - 2wd / 2.7L / Auto / SR5
    None

    Thanks for the great info on the fluid.

    I'm going to play it safe and buy Toyota Fluid.
     
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