Changing transmission fluid, what types, synthetic or not?
2006 TOYOTA SIENNA
140,000 MILES • 3.3L • V6 • 2WD • AUTOMATIC
PEGMARTIN
MEMBER
2 POSTS
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No problem, I just want to know if it's wise to go ahead and change fluid and go to synthetic.
Jan 3, 2022 at 2:56 AM
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ASEMASTER6371
CAR REPAIR CONTRIBUTOR
52,796 POSTS
Good morning,
Synthetic is not standard for this transmission.
If you were to want to replace it, it will be difficult. The torque converter contains six quarts that cannot be drained unless it is removed.