2021 Hyundai Elantra Lug Nut Torque & Bolt Specs

The 2021 Hyundai Elantra lug nut torque is 87 ft-lbs (118 Nm), tightened with a 21mm socket on M12 x 1.5 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: 87 ft-lbs (118 Nm) · Socket size: 21mm · Thread: M12 x 1.5.

This page is the OEM-referenced fastener summary for the 2021 Hyundai Elantra. 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.

Hyundai/Kia lug-nut torque is 79-88 ft-lbs on nearly all passenger models, M12x1.5 thread, 21mm socket. The Tucson, Sportage, and Santa Fe all use the same fastener spec. Hyundai's oil drain plug threads are unusually fine-pitch and strip easily — always use a torque wrench, not feel.

Common fastener categories on the 2021 Hyundai Elantra

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 2021 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 2021 Hyundai Elantra?

The OEM-specified lug-nut torque for the 2021 Hyundai Elantra is 87 ft-lbs (118 Nm), using a 21mm socket on M12 x 1.5 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 2021 Hyundai Elantra lug nuts?

The 2021 Hyundai Elantra 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 2021 Hyundai Elantra 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 Hyundai Elantra years

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

→ 2021 Hyundai Elantra oil drain plug torque & size

→ 2021 Hyundai Elantra suspension & steering torque specs (control arm, ball joint, tie rod)

All 33 2021 Hyundai Elantra fastener specs

Per-bolt torque, wrench size, and thread spec for the 2021 Hyundai Elantra, 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 33 fastener specs on this page are independently verified against OEM service manuals and manufacturer torque data (last reviewed June 2026).

Wheels — 2021 Hyundai Elantra

Wheel and lug nut spec for the 2021 Hyundai Elantra. At the all four wheels, the lug nut torques to 87 ft-lbs (118 Nm) (17mm drive, M12x1.5 thread). OEM-verified spec. For the wheel studs, plan for a 21mm tool on a M12 x 1.5 stud; final torque is 87 ft-lbs (118 Nm) (lug nuts). Confirmed against manufacturer service literature.

Brakes — 2021 Hyundai Elantra

Brake fasteners on the 2021 Hyundai Elantra — caliper bracket, slide pins, and banjo bolt torque follow. For the caliper body to caliper bracket (guide rod bolts), plan for a 14mm tool on a M10 x 1.25 stud; final torque is 21.6-31.4 Nm (15.9-23.1 ft-lb) (front caliper slide pin bolts). Rear caliper slide pin bolts tightens to 21.6-31.4 Nm (15.9-23.1 ft-lb), takes a 14mm driver, runs on M10 x 1.25 threads, located at the rear caliper body to rear caliper bracket (guide rod bolts). The front brake caliper slide pin uses a 12mm drive on a M10x1.25 thread, torqued to 16-24 ft-lbs at the front caliper slide pin. At the front brake caliper bracket, the front brake caliper bracket bolt torques to 58-72 ft-lbs (17mm drive, M12x1.25 thread). For the front caliper bracket (carrier) to steering knuckle, plan for a 17mm tool on a M12 x 1.25 stud; final torque is 78.5-98.1 Nm (57.9-72.3 ft-lb) (front caliper bracket bolts). Rotor retaining screw tightens to 5-8 Nm (4-6 ft-lb), takes a #3 Phillips driver, runs on M6 x 1.0 threads, located at the rotor face to hub flange (front and rear). The rear caliper bracket bolts uses a 14mm drive on a M12 x 1.25 thread, torqued to 78.5-98.1 Nm (57.9-72.3 ft-lb) at the rear caliper bracket (carrier) to rear axle carrier.

Engine — 2021 Hyundai Elantra

Engine bolt-by-bolt torque for the 2021 Hyundai Elantra, including the long block, valve covers, and intake. Main bearing cap bolts tightens to 27.5-31.4 Nm (20.3-23.1 ft-lb) + 120-125°, takes a 12mm driver, runs on M10 x 1.25 threads, located at the main bearing caps at bottom of cylinder block. The oil pan bolts uses a 10mm drive on a M8 x 1.25 thread, torqued to 9.8-11.8 Nm (7.2-8.7 ft-lb) at the oil pan to block. At the exhaust manifold studs at cylinder head, the exhaust manifold nuts torques to 29.4-34.3 Nm (21.7-25.3 ft-lb) (12mm drive, M8 x 1.25 thread). For the front of crankshaft / harmonic balancer, plan for a 19mm tool on a M14 x 1.5 stud; final torque is 196.1-205.9 Nm (144.7-151.9 ft-lb) (crankshaft pulley bolt). Valve cover bolts tightens to Step 1: 3.9-5.9 Nm (2.9-4.3 ft-lb), Step 2: 7.8-9.8 Nm (5.8-7.2 ft-lb), takes a 10mm driver, runs on M6 x 1.0 threads, located at the cylinder head cover. The connecting rod bearing cap bolts uses a 12mm drive on a M9 x 1.0 thread, torqued to 17.7-21.6 Nm (13.0-15.9 ft-lb) + 88-92° at the connecting rod caps. At the intake manifold to cylinder head, the intake manifold bolts/nuts torques to 18.6-23.5 Nm (13.7-17.4 ft-lb) (12mm drive, M8 x 1.25 thread). For the valve cover, plan for a 10mm tool on a M6x1.0 stud; final torque is 6-8 ft-lbs (valve cover bolt). Spark plug tightens to 15-22 ft-lbs, takes a 5/8" driver, runs on M14x1.25 threads, located at the cylinder head. The oil drain plug uses a 17mm drive on a M14 x 1.5 thread, torqued to 29 ft-lbs (39 Nm) at the bottom of oil pan. This figure is independently verified against OEM service data. At the intake cvvd and exhaust cvvt assemblies on camshafts, the camshaft sprocket (cvvt/cvvd) bolt torques to 64.7-76.5 Nm (47.7-56.4 ft-lb) (19mm drive, M14 x 1.5 thread). For the cylinder head, one per cylinder, plan for a 5/8" (16mm) spark plug socket tool on a M12 x 1.25 stud; final torque is 14.7-24.5 Nm (10.8-18.1 ft-lb) (spark plugs). Cylinder head bolts tightens to 32.4-36.3 Nm (23.9-26.8 ft-lb) + 90-95° + 90-95°, takes a 10mm spline (M10 Torx-style) driver, runs on M10 x 1.25 threads, located at the cylinder head to block — 10 bolts. The timing chain tensioner bolt uses a 10mm drive on a M6 x 1.0 thread, torqued to 9.8-11.8 Nm (7.2-8.7 ft-lb) at the timing chain auto-tensioner, front of engine.

Suspension — 2021 Hyundai Elantra

Suspension and chassis fastener torque for the 2021 Hyundai Elantra — strut, control arm, and sway bar values. The rear shock lower bolt uses a 17mm drive on a M12 x 1.25 thread, torqued to 98.1-117.7 Nm (72.3-86.8 ft-lb) at the rear shock absorber lower mount to torsion beam axle. At the top of strut piston rod (strut assembly self-locking nut), the strut assembly self-locking nut (piston rod nut) torques to 98.1-107.9 Nm (72.3-79.6 ft-lb) (17mm with hex hold drive, M12 x 1.25 thread). For the front wheel hub/axle, plan for a 32mm tool on a M24x1.5 stud; final torque is 148-192 ft-lbs (front hub/bearing nut). Front strut to knuckle bolts tightens to 156.9-176.5 Nm (115.7-130.2 ft-lb), takes a 17mm bolt / 19mm nut driver, runs on M14 x 1.5 threads, located at the front strut lower bracket to steering knuckle (pinch bolts). The front strut top nut uses a 14mm with hex hold drive on a M14 x 1.5 thread, torqued to 53.9-73.5 Nm (39.8-54.2 ft-lb) at the top of front strut shaft at strut tower (strut assembly to frame). At the front lower control arm to subframe and to knuckle, the front lower control arm bolts torques to 68.6-80.4 Nm (50.6-59.3 ft-lb) at knuckle; 68.6 Nm + 180-270° at subframe (17-19mm drive, M14 x 1.5 thread). For the sway bar end link to front strut assembly, plan for a 17mm with hex hold tool on a M12 x 1.25 stud; final torque is 98.1-117.7 Nm (72.3-86.8 ft-lb) (sway bar end link nut). Rear hub / axle nut tightens to 107.9-127.5 Nm (79.6-94.0 ft-lb) wheel hub nuts, takes a 21mm (lug nut), 32mm (axle nut) driver, runs on M12 x 1.5 (lug), M24 x 1.5 (axle) threads, located at the rear hub nut / driveshaft nut. The tie rod end nut uses a 17mm drive on a M12 x 1.25 thread, torqued to 34.3-44.1 Nm (25.3-32.5 ft-lb) at the tie rod end to steering knuckle. At the front axle nut / driveshaft nut at front hub, the front hub / axle nut torques to 107.9-127.5 Nm (79.6-94.0 ft-lb) — wheel hub nuts (studs) (34mm (axle nut), 21mm (lug nuts) drive, M14 x 1.5 (axle nut M24) thread).

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 2021 Hyundai Elantra numbers above.

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