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2021 Toyota SiennaTransmission Fluid Type & Capacity
OEM transmission fluid spec from the factory service manual for the 2021-2024 (2021-2024).
Quick Answer
Transmission Fluid
4.60 QTS. (4.35 L) — TOYOTA Genuine Automatic Transmission Fluid Type WS Note: Using ATF other than "TOYOTA Genuine ATF WS" may cause deterioration in shift quality, locking up of the transmission accompanied by vibration, and ultimately damage the transaxle of the vehicle.
Notes
- →Using ATF other than "TOYOTA Genuine ATF WS" may cause deterioration in shift quality, locking up of the transmission accompanied by vibration, and ultimately damage the transaxle of the vehicle.
This vehicle's factory manual
The spec is above. This opens the 2021 Toyota factory books so you can go into the Sienna procedure.
What You'll Need
Related for Your 2021 Toyota Sienna
Frequently Asked Questions
- What transmission fluid does a 2021 Toyota Sienna use?
- The 2021 Toyota Sienna uses 4.60 QTS. (4.35 L) — TOYOTA Genuine Automatic Transmission Fluid Type WS Note: Using ATF other than "TOYOTA Genuine ATF WS" may cause deterioration in shift quality, locking up of the transmission accompanied by vibration, and ultimately damage the transaxle of the vehicle..
- How much transmission fluid does a 2021 Toyota Sienna take?
- Refer to the factory service manual for the exact transmission fluid capacity.
- When should I change the transmission fluid in my 2021 Toyota Sienna?
- Most manufacturers recommend transmission fluid changes every 30,000–60,000 miles for automatics. Check your factory service manual for the exact interval.