09-10-2010, 05:38 PM
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#1
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2001 ATF questions
I have 105k mi on my 4runner, and have no service history on it. I want to replace the transmission fluid on it to be safe. I took it to the dealer, and had them do a "Transmission Fluid Exchange".
They ended up putting in 4 qts of the ATF T-IV, instead of Dextron 3, which is what the FSM calls for.
Is it bad to mix the old Dextron 3 that was in there with the T-IV? Also, is it bad to use T-IV in a transmission that calls for Dextron 3?
Last edited by Whiplash Willy; 09-10-2010 at 06:13 PM.
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09-11-2010, 02:35 PM
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#2
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Super Moderator
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Quote:
Originally Posted by Whiplash Willy
I have 105k mi on my 4runner, and have no service history on it. I want to replace the transmission fluid on it to be safe. I took it to the dealer, and had them do a "Transmission Fluid Exchange".
They ended up putting in 4 qts of the ATF T-IV, instead of Dextron 3, which is what the FSM calls for.
Is it bad to mix the old Dextron 3 that was in there with the T-IV? Also, is it bad to use T-IV in a transmission that calls for Dextron 3?
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The T-IV and Dexron are similar enough that they can (and are) be mixed regularly. I wouldn't worry about it.
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Chris
07 Salsa SR5, 4wd Cyclone pre-cleaner , Aux Transmission Cooler, Hidden Hitch 70779 (600/6000lbs, WDH=730/7300lbs), AirLift 1000, FJCruiser front springs (& now rear too!), Axle Vent Mod, Swaybar Bushing Upgrade, V6 Tick Reduction, VSC off mod, Maplight Mod, 255/75/17 Goodyear Wrangler SAs, Tailpipe Mod
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09-11-2010, 02:49 PM
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#3
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If the dealer did a full fluid exchange, they probably would have used around 14-15 quarts instead of 3-4. I did the same thing and took my 2000 T4R (4WD) to the dealer and although I thought they did a full flush, they just dropped and filled.
Reading through these posts, I decided to do a full transmission flush myself to get everything out of the torque converter. I replaced with Mobil 1 Synthetic and it made a HUGE difference on a truck with almost 160K miles.
If you have the time and $$$, I would recommend you to do a DIY tranny flush, drop the pan, swap out the tranny filter and fill back up with Mobil 1 synthetic. Also, if you don't have a tranny cooler - it would be worth the investment to put one on. All of this stuff can be done by yourself without too much of a hassle. If you need more info - let me know
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09-11-2010, 02:58 PM
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#4
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This is a DIY write-up on an early 4th gen which uses the same transmission as your 3rd gen.
http://www.toyota-4runner.org/mainte...tml#post393776
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Chris
07 Salsa SR5, 4wd Cyclone pre-cleaner , Aux Transmission Cooler, Hidden Hitch 70779 (600/6000lbs, WDH=730/7300lbs), AirLift 1000, FJCruiser front springs (& now rear too!), Axle Vent Mod, Swaybar Bushing Upgrade, V6 Tick Reduction, VSC off mod, Maplight Mod, 255/75/17 Goodyear Wrangler SAs, Tailpipe Mod
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09-13-2010, 11:43 AM
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#5
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Thanks for the info guys! The dealer did a drain and fill, not a flush, so it was just 5 qts of T-IV they put in.
I think I will do a flush and fill myself, using that forum post as a guide, one of these days when I have some time.
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09-13-2010, 01:05 PM
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#6
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One of the BEST darn write-ups on a full, DIY transmission service for a 3rd gen 4Runner is linked below. This is the one I followed and it turned out perfect. HIGHLY RECOMMENDED as it has lots of pics to follow! Good luck!
Dropping Pan And Flushing Transmission
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09-13-2010, 10:05 PM
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#7
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Quote:
Originally Posted by BamaDrewski
One of the BEST darn write-ups on a full, DIY transmission service for a 3rd gen 4Runner is linked below. This is the one I followed and it turned out perfect. HIGHLY RECOMMENDED as it has lots of pics to follow! Good luck!
Dropping Pan And Flushing Transmission
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Awesome write-up and quotes the correct torque specs which is more than I can say for my FSM. 65 ft/lbs ≠65 in/lbs
Edit: I have seen at least one thread on here that argued T-IV and Dexron III were incompatible and would cause problems. One member stated that there was a TSB on the compatibility of the two ATFs but couldn't produce it.
Last edited by 004Gunner; 09-13-2010 at 10:11 PM.
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09-13-2010, 10:16 PM
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#8
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What does your dipstick say? Dex or a bunch of Japanese and T-IV?
t4 and dex are listed as incompatible.
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10-06-2013, 06:05 PM
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#9
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Quote:
Originally Posted by BamaDrewski
One of the BEST darn write-ups on a full, DIY transmission service for a 3rd gen 4Runner is linked below. This is the one I followed and it turned out perfect. HIGHLY RECOMMENDED as it has lots of pics to follow! Good luck!
Dropping Pan And Flushing Transmission
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Would this one work for an '01 as well?
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10-19-2015, 03:22 PM
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#10
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Quote:
Originally Posted by BamaDrewski
One of the BEST darn write-ups on a full, DIY transmission service for a 3rd gen 4Runner is linked below. This is the one I followed and it turned out perfect. HIGHLY RECOMMENDED as it has lots of pics to follow! Good luck!
Dropping Pan And Flushing Transmission
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I realize this is an extremely old thread (I hope you guys are still active) but this link is broken for me, any other recommended threads?
Thanks,
Garrett
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10-19-2015, 09:30 PM
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#11
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Quote:
Originally Posted by garrettqwan
I realize this is an extremely old thread (I hope you guys are still active) but this link is broken for me, any other recommended threads?
Thanks,
Garrett
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I know I have a link to a more detailed write-up somewhere, but this gives you an idea of what is involved.
TheeMikeB Build Thread
Edit: here it is http://www.skjos.net/toyota/trans/tranny.html
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Last edited by VolcanoT4R; 10-19-2015 at 09:34 PM.
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10-19-2015, 09:33 PM
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#12
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Cheers for the help! Doesn't really address what's needed for an auto transmission though.
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10-25-2015, 09:07 PM
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#13
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I found some muti-vehicle ATF made by Valvoline at O"Reilly's, and the label says it can be used in vehicles that use these fluids:
Ford MERCON applications
GM DEXRON-II and DEXRON-III applications
BMWLT 71141 and ETL 7045E applications
Nissan/Infiniti Nissan ATF, Matic D, Matic K,and Matic J applications
Mitsubishi Diamond SP-II and SP-III applications
Subaru ATF HP
Hyundai/ KIA SP-II and SP-III applications
Toyota/Lexus Type T, T-III and T-IV applications
Honda/Acura ATF-Z1 (except in CVTs) applications
Mercedes Benz NAG1 applications
Volvo passenger car applications (except AW-1)
Volkswagen/Audi TL52162
Have any of you used this?
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09-08-2020, 04:03 PM
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#14
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Quote:
Originally Posted by BamaDrewski
If the dealer did a full fluid exchange, they probably would have used around 14-15 quarts instead of 3-4. I did the same thing and took my 2000 T4R (4WD) to the dealer and although I thought they did a full flush, they just dropped and filled.
Reading through these posts, I decided to do a full transmission flush myself to get everything out of the torque converter. I replaced with Mobil 1 Synthetic and it made a HUGE difference on a truck with almost 160K miles.
If you have the time and $$$, I would recommend you to do a DIY tranny flush, drop the pan, swap out the tranny filter and fill back up with Mobil 1 synthetic. Also, if you don't have a tranny cooler - it would be worth the investment to put one on. All of this stuff can be done by yourself without too much of a hassle. If you need more info - let me know
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What benefits did you notice from this switch and flush? I have an 01 that had an unknown fluid used before I purchased and I was considering flushing with Toyota fluid but I would like to weigh the Mobile 1.
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