TT: Some 17-22MY Highlander, and 17-20MY Sienna vehicles with engine serial numbers that start with F or G...
Toyota technical service bulletin TTT068522 for 2017-2020 Toyota Sienna and 2017-2022 Toyota Highlander.
- Bulletin number
- TTT068522
- Component
- Engine and engine cooling
- Summary
- TT: Some 17-22MY Highlander, and 17-20MY Sienna vehicles with engine serial numbers that start with F or G 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. If condition is on applicable vehicles with engine serial numbers that do not start with F or G, disregard, and proceed with normal repair.
Owners of these vehicles have filed 266 complaints in the engine category.
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