2025 Toyota Sienna Lug Nut Torque & Bolt Specs

The 2025 Toyota Sienna lug nut torque is 76 ft-lbs (103 Nm), tightened with a 21mm socket on M12x1.5 studs. Torque in a star pattern in two passes (snug, then final), and re-check after the first 50–100 miles of driving. Use a calibrated torque wrench — not an impact gun — for the final pass.

Lug nut torque: 76 ft-lbs (103 Nm) · Socket size: 21mm · Thread: M12x1.5.

This page is the OEM-referenced fastener summary for the 2025 Toyota Sienna. Use it before any maintenance or repair job where torque values matter — brake work, wheel changes, suspension service, engine teardowns, or oil changes. Specs are pulled from manufacturer service literature, cross-checked against community data, and updated as new chassis variants become available.

Toyota's engineering standard for wheel torque is unusually consistent across the lineup — nearly every passenger Toyota from the mid-2000s onward specs 76 ft-lbs (103 Nm) for the lug nuts with an M12x1.5 thread and 21mm socket. The big exceptions are the Tundra and Sequoia full-size trucks (97-110 ft-lbs), and the lug studs on older Camrys and Corollas (pre-2002) used a smaller M12x1.25 thread that does not interchange. Always confirm by checking the alloy stamp on the wheel hub if you are unsure.

Common fastener categories on the 2025 Toyota Sienna

Wheel / lug nut torque and thread spec (covered above)
Brake caliper bracket bolts (typically 80-130 ft-lbs) and slide/guide pins (18-35 ft-lbs)
Engine oil drain plug torque — rarely above 30 ft-lbs; always use a new crush washer
Transmission pan, valve cover, and intake manifold bolts (low torque, often 89-106 in-lbs)
Suspension control arm, sway bar, tie rod end and ball joint torque
Spark plug torque (typically 10-15 ft-lbs on aluminum heads — do not exceed)
Differential cover bolts (RWD/4WD only) and transfer case fasteners

Repair guidance for this model year

For 2025 late-model work: Modern vehicles increasingly use aluminum body and suspension components. Aluminum fastener torque is typically 60-70% of equivalent steel torque, and aluminum threads strip easily. Use a calibrated torque wrench and apply anti-seize on any steel fastener threading into aluminum.

Tools you will need

Metric socket set (8mm-22mm), 6-point impact-rated
Calibrated torque wrench (10-150 ft-lbs covers most automotive jobs; add a 0-250 ft-lbs wrench for truck lug nuts)
Breaker bar (24" minimum) for initial loosening
Penetrating oil (PB Blaster or Kroil) for any fastener over 5 years old
Anti-seize on stainless or dissimilar-metal threads; thread-locker (Loctite blue) on critical reassembly

Frequently asked questions

What is the lug nut torque on a 2025 Toyota Sienna?

The OEM-specified lug-nut torque for the 2025 Toyota Sienna is 76 ft-lbs (103 Nm), using a 21mm socket on M12x1.5 thread studs. Use a calibrated torque wrench in a star pattern, in two passes (50% and 100%), and re-check after 50-100 miles of driving.

What socket size do I need for the 2025 Toyota Sienna lug nuts?

The 2025 Toyota Sienna uses a 21mm socket. A 6-point impact-rated socket is recommended over a 12-point chrome socket — 12-points round off lug nuts under impact-driver use.

Are the 2025 Toyota Sienna fasteners metric or SAE?

Metric is the standard for this vehicle. Most fasteners on this vehicle are metric (M6, M8, M10, M12, M14). Bring a full metric set; SAE substitutes can round the head. Bolt-head markings are the fastest way to confirm grade and material at the bench.

Other Toyota Sienna years

Same model, different model year — fastener spec may change. Always confirm against the year for your VIN.

→ 2025 Toyota Sienna oil drain plug torque & size

→ 2025 Toyota Sienna suspension & steering torque specs (control arm, ball joint, tie rod)

All 57 2025 Toyota Sienna fastener specs

Per-bolt torque, wrench size, and thread spec for the 2025 Toyota Sienna, sourced from OEM service literature and verified against community shop data. Values pair imperial (ft-lb) and metric (Nm) where the manufacturer publishes both. 3 of the 57 fastener specs on this page are independently verified against OEM service manuals and manufacturer torque data (last reviewed June 2026).

Wheels — 2025 Toyota Sienna

Wheel and lug nut spec for the 2025 Toyota Sienna. The wheel lug nut uses a 21mm drive on a M12x1.5 thread, torqued to 76 ft-lbs (103 Nm) at the wheel hub. This figure is independently verified against OEM service data.

Brakes — 2025 Toyota Sienna

Brake fasteners on the 2025 Toyota Sienna — caliper bracket, slide pins, and banjo bolt torque follow. At the caliper bracket, the front brake caliper pin bolt torques to 25 ft-lbs (14mm drive, M10x1.25 thread). For the firewall, plan for a 12mm tool on a M8x1.25 stud; final torque is 10 ft-lbs (brake booster nut). Rear brake caliper bracket bolt tightens to 43 ft-lbs, takes a 14mm driver, runs on M10x1.25 threads, located at the rear axle carrier. The brake master cylinder nut uses a 12mm drive on a M8x1.25 thread, torqued to 10 ft-lbs at the brake booster. At the steering knuckle, the front brake caliper bracket bolt torques to 77 ft-lbs (17mm drive, M12x1.25 thread). For the caliper bracket, plan for a 12mm tool on a M8x1.25 stud; final torque is 18 ft-lbs (rear brake caliper pin bolt).

Engine — 2025 Toyota Sienna

Engine bolt-by-bolt torque for the 2025 Toyota Sienna, including the long block, valve covers, and intake. For the exhaust manifold, plan for a 14mm tool on a M10x1.25 stud; final torque is 25 ft-lbs (exhaust manifold nut). Engine mount bolt (front) tightens to 59 ft-lbs, takes a 17mm driver, runs on M12x1.25 threads, located at the front engine mount. The water pump bolt uses a 10mm drive on a M6x1.0 thread, torqued to 8 ft-lbs at the water pump. At the cylinder head, the spark plug torques to 18 ft-lbs (5/8" plug socket drive, 14mm thread thread). For the oil pan, plan for a 14mm tool on a M14x1.5 stud; final torque is 30 ft-lbs (41 Nm) (oil drain plug). This figure is independently verified against OEM service data. Engine mount bolt (rear) tightens to 59 ft-lbs, takes a 17mm driver, runs on M12x1.25 threads, located at the rear engine mount. The connecting rod bolt uses a 13mm drive on a M9x1.0 thread, torqued to Stage 1: 15 ft-lbs, Stage 2: +90° at the connecting rod. At the thermostat housing, the thermostat housing bolt torques to 8 ft-lbs (10mm drive, M6x1.0 thread). For the camshaft cap, plan for a 10mm tool on a M6x1.0 stud; final torque is 10 ft-lbs (camshaft bearing cap bolt). Oil pan bolt tightens to 8 ft-lbs, takes a 10mm driver, runs on M6x1.0 threads, located at the oil pan. The cylinder head bolt uses a 14mm drive on a M11x1.5 thread, torqued to Stage 1: 58 ft-lbs, Stage 2: +90° at the cylinder head. At the intake manifold, the intake manifold bolt torques to 22 ft-lbs (12mm drive, M8x1.25 thread). For the crankshaft, plan for a 22mm tool on a M14x1.5 stud; final torque is 184 ft-lbs (crankshaft pulley bolt). Main bearing cap bolt tightens to Stage 1: 29 ft-lbs, Stage 2: +90°, takes a 17mm driver, runs on M12x1.25 threads, located at the main bearing. The timing chain cover bolt uses a 10mm drive on a M6x1.0 thread, torqued to 8 ft-lbs at the timing chain cover. At the motor-generator, the alternator/mg bracket bolt torques to 38 ft-lbs (14mm drive, M10x1.25 thread). For the valve cover, plan for a 10mm tool on a M6x1.0 stud; final torque is 7 ft-lbs (valve cover bolt). Timing chain tensioner bolt tightens to 10 ft-lbs, takes a 10mm driver, runs on M6x1.0 threads, located at the tensioner.

Suspension — 2025 Toyota Sienna

Suspension and chassis fastener torque for the 2025 Toyota Sienna — strut, control arm, and sway bar values. Front sway bar link nut tightens to 29 ft-lbs, takes a 14mm driver, runs on M10x1.25 threads, located at the sway bar. The front strut upper mount nut uses a 14mm drive on a M10x1.25 thread, torqued to 59 ft-lbs at the strut tower. At the strut piston, the front strut piston nut torques to 40 ft-lbs (17mm drive, M12x1.25 thread). For the front hub, plan for a 32mm tool on a M24x1.5 stud; final torque is 147 ft-lbs (front hub/bearing nut). Rear hub/bearing bolt tightens to 59 ft-lbs, takes a 17mm driver, runs on M12x1.25 threads, located at the rear hub. The front sway bar bracket bolt uses a 12mm drive on a M8x1.25 thread, torqued to 21 ft-lbs at the subframe. At the subframe, the rear upper control arm bolt torques to 59 ft-lbs (17mm drive, M12x1.25 thread). For the rear sway bar, plan for a 14mm tool on a M10x1.25 stud; final torque is 29 ft-lbs (rear sway bar link nut). Front lower control arm bolt (rear) tightens to 94 ft-lbs, takes a 19mm driver, runs on M14x1.5 threads, located at the subframe. The front lower control arm bolt (front) uses a 19mm drive on a M14x1.5 thread, torqued to 94 ft-lbs at the subframe. At the subframe, the rear lower control arm bolt torques to 94 ft-lbs (19mm drive, M14x1.5 thread). For the rear axle carrier, plan for a 17mm tool on a M12x1.25 stud; final torque is 59 ft-lbs (rear strut lower bolt). Rear strut upper mount nut tightens to 29 ft-lbs, takes a 14mm driver, runs on M10x1.25 threads, located at the strut tower. The front lower ball joint nut uses a 17mm drive on a M12x1.25 thread, torqued to 76 ft-lbs at the lower control arm.

Steering — 2025 Toyota Sienna

Steering linkage fasteners on the 2025 Toyota Sienna. The tie rod end nut uses a 19mm drive on a M14x1.5 thread, torqued to 67 ft-lbs at the steering knuckle. At the steering column, the steering column universal joint bolt torques to 26 ft-lbs (12mm drive, M8x1.25 thread). For the steering column, plan for a 19mm tool on a M14x1.5 stud; final torque is 76 ft-lbs (103 Nm) (steering wheel nut). This figure is independently verified against OEM service data. Electric power steering rack bolt tightens to 59 ft-lbs, takes a 17mm driver, runs on M12x1.25 threads, located at the subframe. The steering rack mount bolt uses a 17mm drive on a M12x1.25 thread, torqued to 59 ft-lbs at the subframe.

Body — 2025 Toyota Sienna

Body fasteners on the 2025 Toyota Sienna. At the floor, the seat track bolt torques to 21 ft-lbs (12mm drive, M8x1.25 thread). For the body, plan for a 12mm tool on a M8x1.25 stud; final torque is 13 ft-lbs (hood hinge bolt). Seat belt anchor bolt tightens to 42 ft-lbs, takes a 14mm driver, runs on M10x1.25 threads, located at the floor/b-pillar. The subframe front mount bolt uses a 19mm drive on a M14x1.5 thread, torqued to 94 ft-lbs at the body frame. At the body frame, the subframe rear mount bolt torques to 94 ft-lbs (19mm drive, M14x1.5 thread).

Exhaust — 2025 Toyota Sienna

Exhaust fasteners on the 2025 Toyota Sienna. For the exhaust manifold flange, plan for a 14mm tool on a M10x1.25 stud; final torque is 32 ft-lbs (exhaust pipe flange nut). Catalytic converter bracket bolt tightens to 21 ft-lbs, takes a 12mm driver, runs on M8x1.25 threads, located at the underbody.

Transmission — 2025 Toyota Sienna

Transmission fasteners on the 2025 Toyota Sienna. Transaxle mount bolt tightens to 38 ft-lbs, takes a 14mm driver, runs on M10x1.25 threads, located at the trans mount. The motor-generator stator bolt uses a 10mm drive on a M6x1.0 thread, torqued to 8 ft-lbs at the mg housing. At the transaxle pan, the transaxle pan bolt torques to 8 ft-lbs (10mm drive, M8x1.25 thread). For the valve body, plan for a 8mm tool on a M6x1.0 stud; final torque is 8 ft-lbs (valve body bolt). Bell housing bolt tightens to 47 ft-lbs, takes a 17mm driver, runs on M12x1.25 threads, located at the bell housing. The transaxle drain plug uses a 14mm drive on a M14x1.5 thread, torqued to 29 ft-lbs at the transaxle pan.

New to torquing wheels? Read our How lug nut torque works — the complete guide for star-pattern sequence, re-torque intervals, and how to read a lug spec — then use the 2025 Toyota Sienna numbers above.

Loading the interactive 2025 Toyota Sienna fastener lookup with per-bolt filtering, part links, and torque tools…