Toyota Sienna Engine And Engine Cooling Problems
- 85
- Owner complaint records in our dataset
- 15
- Years with records
- 1999–2013
- Stored years
Records are owner complaints, not a measured failure rate.
Owner complaint recordsComplaint records reflect reports in our dataset and do not measure how frequently the problem occurs across all vehicles.
Among these 85 stored complaint records:
- 2 indicate a crash
- 0 indicate injury
- 7 indicate fire
Complaints by year
What appears in the records
- engine light · 6 records
- failure mileage · 6 records
- several times · 6 records
- needed replaced · 5 records
- light illuminated · 4 records
- caught fire · 4 records
Mileage in stored records
| Band | Records |
|---|---|
| 1–30k mi | 23 |
| 60–100k mi | 19 |
| 30–60k mi | 13 |
| 100–150k mi | 9 |
| 150–400k mi | 2 |
Complaint evidence
Latest stored owner-submitted records. Open a year for the full list.
Engine And Engine Cooling
2008 toyota sienna. Consumer writes in regards to vehicle engine problems. *smd the consumer stated the air condition was not cooling the vehicle, and she thought it just needed to be serviced. After two hours of driving, the check engine light illuminated. By the time she was able to pull over, the engine was ruined, the dealer stated the engine water hose and oil hose had malfunctioned. *jb
ODI 10760546
Engine · Engine And Engine Cooling
Fan belt started squealing upon engine start, took to dealer and replaced serpentine belt. Several months later groaning noise started coming from engine, suspected misaligned belt or bad pulley. Took vehicle to the dealer and they found wear on the exterior of the timing belt cover caused by the partial separation of the crankshaft pulley. Several reports online of owners experiencing this problem with toyotas.…
ODI 10609448
Engine And Engine Cooling · Structure
The air conditioner housing is leaking water onto safety-critical parts. This housing is made of plastic parts that are glued together. Water is condensed during the cooling cycle, and it then collects at the bottom and exits the vehicle through a rubber hose. The glue holding the housing together has failed. Water is leaking from the housing and running onto the computer module that deploys the airbags. I have been…
ODI 10583658
Engine And Engine Cooling
2009 toyota sienna. Consumer writes in regards to engine overheating. *smd the consumer stated he replaced the fan relay and thermostat. However, the vehicle continued to overheat. The dealer replaced the radiator and water pump, but the overheating continued. The dealer informed the consumer they looked into the cylinders with a borescope and saw marks on the cylinder wall which lead them to the conclusion that the…
ODI 10690379
Electrical System · Engine And Engine Cooling · Steering
1) august 2013 during an oil change the dealer technician notified me the steering rack needed replacing due to oil leaks from the rack and pinion ($1000 repairs). 2) september 2014 asked dealer to check air conditioning ac right center console blower. After recharging the system with dye, found the ac lines to the rear cabin corroded under the wheel wells -- recommended $1500 to replace entire lines (i declined…
ODI 10689407
Engine And Engine Cooling · Power Train
Tl* the contact owns a 2006 toyota sienna. The contact stated that while driving 40 mph, the vehicle stalled. The vehicle was towed to an independent mechanic where the technician diagnosed that the transmission needed to be replaced. The vehicle was repaired but the failure recurred. The vehicle was taken back to the dealer. The technician diagnosed that the ecm needed to be replaced. The manufacturer was made…
ODI 10583993
Body · Engine And Engine Cooling
2009 toyota sienna minivan developed corroded rear air-conditioning lines after only 4 years. Corrosion caused complete loss of a/c coolant. It cost me $118 to have the a/c system tested only to find out that it will cost me another $1578 to repair the problem...and there's no guarantee that this won't happen again in another 4 years. Dealership won't help. Toyota corporate won't help. It is a scam that they use…
ODI 10531611
Engine And Engine Cooling · Steering
While driving there was a very loud screech from the motor, on and off, then the power steering went out, very hard to turn steering wheel, luckily i was able to force it the few miles left home. Then i noticed the a/c was not cold, this was intermittent, now, no a/c at all. Just hot air. This stalled of failed while in traffic, i could have had serious problems like getting hit because i could not turn the vehicle…
ODI 10514655