Hey all, im changing my transmission fluid for the first time since I got my car. Its way overdue. Should I go with the stock transmission fluid from Toyota or can I use this Mobile 1 Synthetic? https://www.amazon.com/gp/product/B009IE2R0U/ref=noref?ie=UTF8&linkCode=ll1&tag=corolland-20&psc=1&s=automotive
or is there any in one that would work better?
Mobil's ATF 3309 is the one that is formulated for your automatic transmission, as is Castrol's Import Multi-Vehicle ATF.
http://www.mobiloil.com/USA-English/MotorOil/Other_Products/Mobil_ATF_3309.aspx#
Toyota's #08886-01705 partially synthetic T-IV ATF is likely made by Mitasu in Japan, which has a normal viscosity of 7.3 @ 100°C and 38.86 cSt @ 40°C.
Mobil's 3309 ATF is probably your best buy at 7.2 and 35 cSt.
Amsoil at 7.5 and 38.8 cSt, and Redline at 7.5 and 34 cSt... Both of Castrol's Type T-IV approved ATF have an unusually high viscosity of 8 cSt and 36.6 cSt.
Valvoline's Max Life "Suitable for use in Toyota Type T-IV applications" ATF is considerably lower than expected at 6.11 cSt and 26.16 cSt, and actually "Exceeds the latest performance requirements of DEXRON®-VI and MERCON LV® fluids" which have a relatively light viscosity.
http://www.mitasuoil.com/en/multi-vehicle-atf
http://www.valvoline.com/pdf/maxlife_atf.pdf
http://www.mobil.com/USA-English/Lubes/PDS/GLXXENPVLMOMobil_ATF_3309.aspx
http://www.castrol.com/castrol/sectiongenericarticle.do?categoryId=9012226&contentId=7028224
http://www.castrol.com/castrol/sectiongenericarticle.do?categoryId=9018758&contentId=7033928
http://www.pennzoil.com/#/transmission-fluids-and-gear-oil/pennzoil-multi-vehicle-atf
http://www.amsoil.com/storefront/atf.aspx
http://www.redlineoil.com/product.aspx?pid=51&pcid=9
Motul Multi ATF (8.5/37.5 cSt) has the highest viscosity index at 214.
USA distributor: http://www.cheapoilstore.com/english/by_brand/motul/motul_multiATF.html
Canadian distributor: http://www.bestpricecarparts.ca/item.wws?sku=W0133-1896475&itempk=97590&mfr=Motul&weight=1.95
Beside Mobil ATF 3309 (7.2/35 cSt, 180 VI), Mobil Multi-Vehicle ATF (7.42/34.1 cSt, 193 VI) is also suitable for use in vehicles that specify Toyota Type IV. It's available in 5 liter bottles for $34.99 at Canadian Tire.
http://www.mobiloil.com/USA-English/MotorOil/Other_Products/Mobil_Multi-Vehicle_ATF.aspx#
http://mooreballiewoil.thomasnet.com/Asset/pds18.pdf
Eneos (Japan) synthetic ATF (#W0133-1913951)
http://www.autopartsway.com/PartDetails.cfm?W0133-1913951/ENS/
http://www.bestpricecarparts.ca/item.wws?sku=W0133-1913951&itempk=101697&mfr=Eneos&weight=1.95
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I heard the transmission fluid they use in 05 corollas gets dirty fast
Toyota Type T-IV ATF is a highly friction modified ATF fluid. Those tend to "dirty" faster than other types of ATF. Doesn't mean the fluid is bad though - that old school adage of dark fluid = automatically bad - doesn't apply to lots of lubricates now. If anything, darker fluid just means that it holds the "dirt" better than normal - keeps the debris suspended in the fluid so it makes it easier to drain it out later. Granted, there is a tipping point, where the fluid no longer can suspend any more of the dirt particles and they end up falling out of solution.
Still - have to be vigilant on fluid changes. One of the keys is being able to tell the difference between "dirty" fluid and "oxidized" fluid. Easiest way - one will smell like normal, fresh fluid - the other will have a distinctive burnt odor to it. If in doubt - just change it.
Topic List: Go to Toyota Corolla, Chevy Prizm (1998-2008)
