01-26-2023, 12:26 PM
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#1
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Join Date: Sep 2015
Location: VA
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Dexron 3 vs Dexron 6 in Transmission
I can purchase Toyota OEM Dex 3 fluid from local dealer. I'm using it in my power steering.
Some say you should upgrade to the Dex 6 in our transmissions. Is this good info?
If it matters, I am only gonna use Dex 3 or 6.
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2002 4Runner SR5 265K
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01-26-2023, 01:09 PM
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#2
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Senior Member
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Join Date: Jul 2012
Location: Odessa/Midland TX
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I think my 97 uses DII. The Red Valvoline Full synthetic is compatible with DII. A gallon is $25 at Walmart.
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1990 3L Diesel Hilux LN 106; 1973 Ford Cortina XL
1992 4AFE Toyota Sprinter AE 91 (aka Geo Prizm)
1997 5vzfe 4Runner 4x4 (aka Hilux Surf)
2000 2uzfe 100 Series Land Cruiser
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01-26-2023, 01:51 PM
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#3
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Sub'd. I wanna see what others have to say about this.
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01-26-2023, 01:59 PM
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#4
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Join Date: Nov 2022
Location: Alabama
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Best word of advise.... Use what the manual says you should use. They manufactured your vehicle to a certain set of standards. Better standards can come out, but guess what... your vehicle wasn't built to those "better standards"
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01-26-2023, 02:59 PM
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#5
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Plenty of people use Dex VI in the A340 trans. I have the last few changes with no issues. Slightly snappier shifts, and that's not a bad thing.
I'll be moving to Valvoline Maxlife from now on (red bottle) to simplify things - our van uses that fluid too.
-Charlie
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'99 4Runner SR5 Auto - 4WD swapped
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01-26-2023, 06:32 PM
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#6
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Dexron VI is backwards compatible to Dexron III. I use Dexron VI in both my 4Runner's power steering systems without any issues. Also used it in my last 4Runner automatic transmission without any issues either. I would buy whichever is cheaper and not worry about it.
Make sure to clean your power steering reservoir screen if you can. I can guarantee it's dirty and clogged.
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2000 Limited V6 Auto E-Locker Sold 3/2022
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01-26-2023, 07:33 PM
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#7
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Quote:
Originally Posted by Bad Luck
Dexron VI is backwards compatible to Dexron III. I use Dexron VI in both my 4Runner's power steering systems without any issues. Also used it in my last 4Runner automatic transmission without any issues either. I would buy whichever is cheaper and not worry about it.
Make sure to clean your power steering reservoir screen if you can. I can guarantee it's dirty and clogged.
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But what if you mix Dex VI and III in the trans? Is that okay to do?
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01-26-2023, 08:44 PM
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#9
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I think Dex VI is more readily available to me locally but I like to use AMSOIL multi-vehicle ATF or the Valvoline MaxLife ATF. I think there's a SuperTech Dex VI ATF that's available, but honestly, I'm going to use whatever is the most cost efficient.
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01-26-2023, 08:56 PM
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#10
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Quote:
Originally Posted by JoeT4R
I think Dex VI is more readily available to me locally but I like to use AMSOIL multi-vehicle ATF or the Valvoline MaxLife ATF. I think there's a SuperTech Dex VI ATF that's available, but honestly, I'm going to use whatever is the most cost efficient.
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The Pennzoil Multi-Vehicle Synthetic is also a great product.
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01-26-2023, 10:34 PM
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#12
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For what it matters, Replaced my trans recently with a Yota1, arrives empty, called Nick about what he recommended to fill with, said to use Toyota T-III, using it and it drives like a dream.
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01-27-2023, 08:30 AM
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#13
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Quote:
Originally Posted by 19963.4lsr5
The Pennzoil Multi-Vehicle Synthetic is also a great product.
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I wouldn't be opposed to that, I used to run PUP in my engine for a few years and had great results with it. I'm not sure I've seen that stuff locally though.
Quote:
Originally Posted by brillo_76
I mostly use Vavoline maxlife in my rigs.
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I feel like this is the most readily available and might be what I end up having to use if I don't want to be bothered with paying for shipping for AMSOIL.
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01-27-2023, 09:03 AM
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#14
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Quote:
Originally Posted by jgue467
For what it matters, Replaced my trans recently with a Yota1, arrives empty, called Nick about what he recommended to fill with, said to use Toyota T-III, using it and it drives like a dream.
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Nothing wrong with that at all..;) I don't run it because 3 gallons if it is quite expensive anymore.
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Build Thread: https://www.toyota-4runner.org/3rd-g...os-builds.html
Brillo's Bucket Fluid Ex changer: https://www.toyota-4runner.org/3rd-g...ml#post3358086
Sparks Plugs Wire and Coil Information: https://www.toyota-4runner.org/3rd-g...on-5vz-fe.html
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01-27-2023, 09:28 AM
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#15
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Quote:
Originally Posted by brillo_76
Nothing wrong with that at all..;) I don't run it because 3 gallons if it is quite expensive anymore.
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Plus it's a conventional fluid and not synthetic. That would be the thing for me. I prefer to have a synthetic fluid in there.
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