Below you'll find the tightening torques for the Toyota Sienna 3 in both Nm and ft/lbs. The first table contains the most-used torque settings. The tables after it contain all torque spec values I could find.

Most-used torque settings for Toyota Sienna 3

Part	Description	Torque (Nm)	Torque (ft/lbs)	Remarks	Applies to
Differential	Rear differential drain plug	39	29
Wheels	Wheel nut	103	76

All Torque Settings in Tables

Part	Description	Torque (Nm)	Torque (ft/lbs)	Remarks	Applies to
Engine mounts	Rear engine mounting bracket bolts	64	47		2GR-FE Engine AWD
Engine mounts	Engine mounting insulator RH	87	64		AWD
Engine mounts	Rear engine mounting insulator assembly to Front frame assembly	52	38		AWD
Sensor	Rear speed sensor to Rear axle carrier subassembly	8	6		AWD
Sensor	Rear speed sensor to Rear trailing arm assembly	8	6		AWD
Sensor	Rear speed sensor to Rear axle beam assembly	8	6		AWD
Sensor	Rear speed sensor to Body	8	6		AWD
Sensor	Rear speed sensor to Retainer	8	6		AWD

Part	Description	Torque (Nm)	Torque (ft/lbs)	Remarks	Applies to

Part	Description	Torque (Nm)	Torque (ft/lbs)	Remarks	Applies to

Part	Description	Torque (Nm)	Torque (ft/lbs)	Remarks	Applies to

Part	Description	Torque (Nm)	Torque (ft/lbs)	Remarks	Applies to

Part	Description	Torque (Nm)	Torque (ft/lbs)	Remarks	Applies to

Part	Description	Torque (Nm)	Torque (ft/lbs)	Remarks	Applies to