2008 Toyota Sienna engine problems
39 owner complaints filed with NHTSA name the engine on the 2008 Toyota Sienna — 9% of all complaints for this model year.
What owners report
“The head gasket that was repaired failed and the radiator system also failed. Im not sure if these issues are dealer related or manufacture related as i spoke to the previous owner and they stated they had the vehicle serviced at a manufacturer prior to doing a trade in with the dealer”
filed Apr 29, 2024
“The contact owns a 2008 Toyota Sienna. The contact stated while pulling into a grocery store, he heard an abnormal ticking sound. The contact stated upon parking and inspecting the outside of the vehicle, he noticed that engine oil was leaking onto the ground. Additionally, the oil dipstick was dry…”
filed Dec 29, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Sienna years
| Year | Reports | Share |
|---|---|---|
| 2022 Sienna | 5 | 4% |
| 2021 Sienna | 8 | 5% |
| 2020 Sienna | 6 | 17% |
| 2019 Sienna | 4 | 9% |
| 2018 Sienna | 5 | 7% |
| 2017 Sienna | 15 | 10% |
| 2016 Sienna | 4 | 5% |
| 2015 Sienna | 15 | 7% |
| 2014 Sienna | 11 | 7% |
| 2013 Sienna | 7 | 4% |
| 2012 Sienna | 9 | 4% |
| 2011 Sienna | 23 | 4% |
Other reported problem areas on the 2008 Toyota Sienna
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.