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Thread: Auto Transmission fluid

  1. #1

    Auto Transmission fluid

    I am fully aware that the recommended fluid for the Auto Transmission is Toyota's Type T-IV.

    I am interested to know if there is any alternative fluid that is up to spec's?

    If there is, has anyone assessed it? :?:
    October 2003 build GLX Prado Diesel. Nudge Bar, window tinting, fitted sheepskin seatcovers, bonnet protector, cargo barrier, sandgrabba mats and empty pockets.
    Retired Nt Police and now TPI

  2. #2

    Re: Auto Transmission fluid

    I just found a possible replacement fluid for the Toyota's Type T-IV.

    Nulon 100% Synthetic Multi Vehicle Automotive Transmission Fluid.

    http://www.nulon.com.au/

    Nulon 100% Synthetic Multi-Vehicle Automatic Transmission Fluid (SYNATF) is formulated with 100% synthetic base fluids and advanced additive technology to enhance fluid performance, wear protection and transmission durability.

    Nulon 100% Synthetic SYNATF uses the latest Multi-Vehicle Automatic Transmission Fluid technology that is suitable for most manufacturer requirements such as Allison C-4, Mercon? V, JASO 1-A, ATF+4 and many others. The fully synthetic formulation has improved oxidation stability, shear stability, and friction durability to enhance transmission shift performance.

    Nulon SYNATF uses a unique friction modifier technology to give excellent anti-shudder performance with high torque capacity. It has been passed extensive performance testing and vehicle testing for American, European, and Asian vehicles. It is suitable for use in Asia Pacific OEM automatic transmissions such as Toyota and Honda.

    Nulon SYNATF has simplified the complexity of many transmission fluid requirements to one product. It is compatible to many old and new transmissions while offering excellent wear protection, fluid durability, and better gear shift ability. It is suitable for Automatic Transmission that requires low viscosity application however it may not meet the viscometric requirements of those fluids.
    Benefits and Features

    Excellent oxidation resistance and improved cleanliness for long life and fluid durability
    Superior anti wear performance to protect the transmission
    Improved sludge and varnish control
    Excellent low temperature and anti-shudder properties for better shift feel and drivability
    Fortified anti corrosion properties for transmission component durability
    Enhanced foam inhibition to prevent wear caused by oil aeration or foaming
    Improved seal protection
    Minimal friction changes with increasing temperature
    Better torque capacity
    Expanded anti-shudder properties for better driving experience
    Outstanding friction durability performance over wide temperature

    Toyota
    Type I/ II/ III, IV, WS


    Has anyone ventured to try this? :wink:
    October 2003 build GLX Prado Diesel. Nudge Bar, window tinting, fitted sheepskin seatcovers, bonnet protector, cargo barrier, sandgrabba mats and empty pockets.
    Retired Nt Police and now TPI

  3. #3

    Re: Auto Transmission fluid

    25 lookers and no input?
    October 2003 build GLX Prado Diesel. Nudge Bar, window tinting, fitted sheepskin seatcovers, bonnet protector, cargo barrier, sandgrabba mats and empty pockets.
    Retired Nt Police and now TPI

  4. #4

    Re: Auto Transmission fluid

    The bloody thing is factory sealed so wannabe home mechanics like me can't easily pull the thing to bits.

    With my warranty I think I will leave it to the dealer.
    Dave

    Jan 09 GXL 120 D4D auto, Dune: Bugger Bali, get out and see Australia before we sell it all to China.

  5. #5
    Advanced Member
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    Re: Auto Transmission fluid

    It's not sealed, there is a fill plug on the side much like a manual gearbox.

    It's been sealed as there's no need to regularly check the fluid level unless there's a leak ("filled for life" like the new commodore gearboxes that use the Dexron VI fluid).
    2008 GXL D4D + Option Pack 1, Safari snorkel, factory alloy bar, dual battery system, Lovells TFR-118/TRR119 Springs, Bilstein Shocks, Prodigy P3 brake controller, factory tow bar, Orac coupling.

  6. #6
    Advanced Member Dobbo's Avatar
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    Re: Auto Transmission fluid

    Put my truck in to my local 4WD service guy to have the auto tranny fluid changed as part of my lead up to the GTG and the Simpson Crossing after. The truck had has just done 100,000km,s so it was suggested that I get it done.
    The service guy called me to say that Toyota may not be able to get the new fluid to him today to be able to complete the service but asked him why he was touching the gearbox anyway as it was "sealed for life"
    He replied that the oil was black and may cause something to fail later on.
    Who is right here, should the gearbox not be touched as Toyota state or is it recommended that the oil be changed, particularly with those sort of km's on the clock and the fact that I tow a reasonably heavy boat quite frequently.

    Dobbo.
    2010 Graphite D4D Auto GX. Window Tint, Speedy Avalanche Rims, 265/65/17BFG A/T's, Headlight & Bonnet Protectors, Front Weathershields, Rhino HD Racks, OME 2Inch Lift, Piranha Dual Battery System,Toyota Towbar, ARB Deluxe Winch Bar, IPF 900XS HID Spotties, Safari Snorkel, Tigerz11 Winch, Home Made Drawer System, Powerful 4x4 Sliders, TG150, ARB Awning.

  7. #7
    Addicted PP Member MickL's Avatar
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    Re: Auto Transmission fluid

    "sealed for life"
    I don't know where the "Sealed for life" came from.... the Auto trans oil, manual gearbox and transfer case are all listed as inspection items in the factory service schedule(Every 40K kms under "Normal" conditions from memory).

    Sure there's not a regular change interval listed for them, but if, on inspection, you find discolouration or signs of contamination then you change the fluid.

    Mick
    1KZ-TE Turbo Diesel, 5 speed manual, 3.5 inch lift, 265/70/17 Mickey Thompson MTZ, D-Tronic chip, Boost controller, mandrel exhaust, dump pipe, modified intake, ARB steel bar, Magnum winch, Safari snorkel, rear drawers, half cargo barrier, dual batteries, Uniden UHF, Sat Nav, reverse camera, Magellan XL , Tjm bash plates, ARB alloy roof rack, rear telescopic work light and numerous other modifications!!!
    Now with 3BAR MAP sensor & 18PSI Boost!

  8. #8

    Re: Auto Transmission fluid

    The factory service guide says to "Inspect" the auto transmission fluid every 40,000km. This continues all the way through to 200,000km.
    I may have used the term sealed for life incorrectly. Perhaps I should have said that by deleting the old fluid level dipstick they have taken away your ease (and apparently your need) to check the fluid yourself.
    I also note their regulatory warranty disclaimer: "damage caused by improper maintenance, or the use of fuels , oils, lubricants or fluids other than those specified in the owner's manual are not covered."
    Dave

    Jan 09 GXL 120 D4D auto, Dune: Bugger Bali, get out and see Australia before we sell it all to China.

  9. #9

    Re: Auto Transmission fluid

    If the fluid is black then it is plain and simply "burnt" and needs to be replaced ASAP.

    The 6 speed ZF gearbox used in Ford Falcons are also "sealed for life" but that doesn't literally mean that it never needs to be replaced. Who would have thunk? :mrgreen:

  10. #10

    Re: Auto Transmission fluid

    There is quite a procedure for getting the levels right in the auto. I went through this when I drowned my transmission on a previous Prado. The fluid in the auto has to be at a certain temperature (measured by a voltage off one of the sensors) and some other things as well that I can't quite remember from the 3 or 4 pages on it that got faxed to me by a Toyota dealer in the wilds of Tassie just to do with changing or checking the levels. From what they said the volume changes a lot.
    Why get aftermarket fluid anyway. Just buy some from a Toyota dealer. I have 4 litres in the garage from them from the misadventure if anyone needs some in Melb
    December 2007 Prado GXL diesel, Option Pack with traction control, rear airconditioning and curtain airbags. Lovells Springs and Bilstiens shocks, snorkel, front recovery points,
    ARB Bar with fog lights, ARB second battery system, sandgrabber mats, Pirelli ATR Tyres,

  11. #11

    Re: Auto Transmission fluid

    Had me an 1966 XP Falcon sedan delivery into which I dropped a 289 V8, 465 Holley 4 barrel, trick shifted C4 auto and 9 inch. I would fill the auto with fluid, take it for a spin and give it a bit of stick. The auto would spit out whatever excess fluid and would then be as happy as could be. Simple. No guessing on the dipstick or worrying if it was hot enough to measure!
    Dave

    Jan 09 GXL 120 D4D auto, Dune: Bugger Bali, get out and see Australia before we sell it all to China.

  12. #12

    Re: Auto Transmission fluid

    God, there's some black magic or urban myths going on here Just check the fluid as per the book instructions when the engine's hot.

    I'm using the Nulon that oldsalt wrote about. Changed it about 6 weeks ago (75000km). I've noticed no difference whatsoever - better or worse. Maybe the bands haven't worked out yet that it's different oil :mrgreen:
    I remember when sex was safe, and flying was dangerous!

  13. #13
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    Re: Auto Transmission fluid

    old thread, but oh well.
    Anyone know how much oil I will need for the transmission to be flushed?
    As I will be changing over to synthetic, i need to make sure the torque converter and everything are flushed clean.
    2004 Prado GXL. v6 auto, ARB deluxe bar, exhaust, 2" EFS lift kit, Outback Acc rear bar,
    rallye 2000 spots, roof mount dvd, dig_options stereo, toyota roof bars.
    More to come!

  14. #14

    Re: Auto Transmission fluid

    Had a look at the Toyota service procedure on the 5 Sp Autos and it's approx. 11.4 Litres. I'm not sure what the capacity on the older transmission is although it's probably close to this. Still trying to investigate the flushing part but not having any success. They may possibly flush the older 4 sp units but not the 5 sp? Let us know how you go and what procedure you used.
    2004 GXL V6, 5 Sp Auto

  15. #15
    Member hisham saeed's Avatar
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    Re: Auto Transmission fluid

    i used 7.5 L to flush my 750F transmition (auto 5spd)
    hisham
    2006 VX ,5 Auto , currently Scan gauge II , Bonnet Guard ,wind deflectors,head lamp cover, dust deflector,insect net , Engel fridge,IPF fat boy,Hella FF300 lights,Toyota HD bars,BF 265/70 R17 A/T, Hella TPMS, K&N,OME 2",DBA , AirLift 1000 & Wirless Air control , ARB Comp,Safari Snorkel.
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