UNDER TOYOTA'S CUSTOMER SUPPORT PROGRAM, A TECHNICAL SERVICE BULLETIN WAS PUT OUT SAYING THAT 2005 TOYOTA SIENNAS HAD FAULTY RADIATORS THAT CRACKED IN COLD WEATHER AND COULD LEAD TO COOLANT LEAKAGE AND SUBSEQUENT ENGINE SEIZURE (SAFETY REPORT #0506). WHEN THE WEATHER STARTED GETTING COLD THIS WINTER, MY RADIATOR CRACKED AND I NEEDED TO BE REPAIRED AS THE ENGINE WAS RUNNING EXTREMELY HOT. WHEN I …
2005 toyota Sienna engine problems
severe 25 complaints filed with NHTSA · avg repair $3,100
Complaints
25
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 1 most recent
Common questions
How serious is the engine problem on the 2005 toyota Sienna?
It's a meaningful issue. 25 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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