Quote Originally Posted by shelu View Post
Wow!!! it is nice to know that toyota atf is a lifetime oil. what makes this oil indestructible? sana isuzu atf are of same quality.

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I have my doubts about any oil labeled as “lifetime fill”. In the US, Toyota vehicles that use WS are lifetime fill except if vehicle is used for towing, in which case they recommend changing at 60k miles. Since trannys are sealed, main culprit for ATF degradation is heat...interminable Metro Manila stop and go traffic makes your tranny run hot because of constant gear changes and prolonged idling time.