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Car Forum / Lexus Cars / January 2009transmission fluid change on 05 ES
I have an 05 ES 330 32k miles due for service. Maintenance schedule calls for brake fluid change but no mention of transmission service until 60k miles (aside from checking it). I do find this a bit odd. I do plan on requesting the transmission service given the lousy nature of the transmission of this vehicle in the first place. Not that I am looking to do unneeded work, but 60K seems excessive. Any comments on this?? Happy New Year to all, Matthew >I have an 05 ES 330 32k miles due for service. Maintenance schedule calls >for brake fluid change but no mention of transmission service until 60k [quoted text clipped - 5 lines] > Happy New Year to all, > Matthew What type of ATF does your transmission require? If it is type T, then 60,000 miles is sooner than the manufacturer's recommendation.  SignatureRay O (correct punctuation to reply) Ray, thanks for the reply. It is type T-IV. I actually had it done this am. I guess no harm done, better sooner than later. Why such a long interval?? Because it is synthetic ATF?? >>I have an 05 ES 330 32k miles due for service. Maintenance schedule calls >>for brake fluid change but no mention of transmission service until 60k [quoted text clipped - 7 lines] > What type of ATF does your transmission require? If it is type T, then > 60,000 miles is sooner than the manufacturer's recommendation. > Ray, thanks for the reply. It is type T-IV. I actually had it done this > am. I guess no harm done, better sooner than later. Why such a long > interval?? Because it is synthetic ATF?? There is no harm in changing type T-IV ATF early. Toyota calls it "lifetime" ATF that shouldn't need changing under normal driving conditions so changing it at all could be considered going above and beyond. I don't know what makes it a "lifetime" ATF, probably more durable additives. SignatureRay O (correct punctuation to reply) No, the $4/qt Toyota Type-IV ATF is actually Mobil-3309. It's a conventional, or "dino", fluid. I'd actually go a step further in using Mobil-1 fully synthetic ATF (new formulation, not the earlier formulation): http://www.mobiloil.com/USA-English/MotorOil/Other_Products/Mobil_1_Synthetic_AT F.aspx IMO, you are doing the right thing in changing it out every 30K miles. These Aisin transmissions are dirty. Better yet, have the pan dropped, change the filter/strainer and wipe clean the metal shavings and sludge at the bottom. The meaning of vehicle service "lifetime" varies depending on if you're a manufacturer or an owner. The only problem would be the technician messing up the fluid level or introduce lint and cleaning solvent into the system. Many newer transmissions need to be at a particular temperature range while filling, so cleanliness and accuracy are very important. > Ray, thanks for the reply. It is type T-IV. I actually had it done this am. > I guess no harm done, better sooner than later. Why such a long interval?? > Because it is synthetic ATF?? I think the 5-speed U151E pre-dates the LePelletier design that came later? No? I don't know why Toyota in particular was having a lot of problems with the LePelletier design (2007 Camry/ES skipping gears for example). But you're right, the U-series are not as reliable as the older A-series Aisin transmissions. I do plan on > requesting the transmission service given the lousy nature of the > transmission of this vehicle in the first place. Not that I am looking to do > unneeded work, but 60K seems excessive. > Any comments on this?? > Happy New Year to all, > Matthew |
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