Here is some interesting discussion I had on corolland.com about viscosity of Toyota WS vs. Toyota T-IV ATF fluid:
http://www.corolland.com/forums/index.php?/topic/24138-2010-corolla-le-transmission-whine/
If anyone here got a toyota with U340E / U341E transmission and WS fluid in it, do you have the similar issue? I am trying to collect some statistical data as I believe the local toyota dealer won't let me test drive any more cars for the research purposes
http://www.corolland.com/forums/index.php?/topic/24138-2010-corolla-le-transmission-whine/
If anyone here got a toyota with U340E / U341E transmission and WS fluid in it, do you have the similar issue? I am trying to collect some statistical data as I believe the local toyota dealer won't let me test drive any more cars for the research purposes