POWER TRAIN
Description:SAYS MY REAR DIFFERENTIAL - VISCOUS COUPLER- IS BAD AND NEEDS TO BE REPLACED AT A COST OOF AT LEAST $1,300 AND THAT DOESN'T INCLUDE INSTALLATION. HAPPENED JUST AS CAR WENT OVER 100,000 MILES AND IS COVERED IN RAV 4 BC HAD SAME PROBLEM BUT NOT 2012 SIENNA NOTHING HAPPENED EXCEPT IT SUDDENLY STARTED NOT BECAUSE OF ANYTHING I DID.
| Year | 2012 |
| Make | TOYOTA |
| Model | Sienna |
| Trim | GSL30L/GSL33L/GSL35L/ASL30L |
| Type | Minivan |
| Doors | 5 |
| Engine Cylinders | 6 |
| Engine Config | V engine |
| Displacement (L) | 3.5 |
| Engine HP | 266 |
| Drivetrain | 4x2 |
| Fuel Type | Gasoline |
| City MPG | 19 |
| Hwy MPG | 21 |
| Combined MPG | 24 |
| Final Assembly | United States |