TT: Some 2017-2022 Highlander, and 2017-2020 Sienna vehicles may experience an engine oil leak condition...
Toyota technical service bulletin T-TT-0685-22 for 2017-2020 Toyota Sienna and 2017-2022 Toyota Highlander.
- Bulletin number
- T-TT-0685-22
- Component
- Engine
- Summary
- TT: Some 2017-2022 Highlander, and 2017-2020 Sienna vehicles may experience an engine oil leak condition from the No.2 Oil pan. This issue is currently under investigation. Please take detailed pictures of the oil pan leak condition before repair
Owners of these vehicles have filed 266 complaints in the engine category.
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