MY 2012 SIENNA AWD XLE HAS 103K MILES AND HAS A WHIRRING NOISE COMING FROM THE REAR DIFFERENTIAL AREA FOR A WHILE NOW. THE PITCH AND VOLUME IS PROPORTIONAL TO SPEED AND IS LOUDER AS SPEED INCREASES. MY RESEARCH TELLS ME THIS IS A COMMON DEFECT WITH THE COUPLING BEARINGS IN FRONT OF THE REAR DIFFERENTIAL. IT SEEMS THAT RAV4 OWNERS GOT A RECALL FOR THE SAME ISSUE, BUT SIENNA OWNERS DID NOT. TOYOTA H…
2012 toyota Sienna powertrain problems
severe 16 complaints filed with NHTSA · avg repair $2,500
Complaints
16
Recalls
0
Crashes
1
Avg fix
$2,500
What owners are reporting 1 most recent
Common questions
How serious is the powertrain problem on the 2012 toyota Sienna?
It's a meaningful issue. 16 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
At what mileage does the powertrain 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 $2,500 for powertrain 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 powertrain?
No active recalls currently cover powertrain 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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