2020 Hyundai I30 Lug Nut Torque & Bolt Specs

The 2020 Hyundai I30 lug nut torque is 80 ft-lbs (108 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: 80 ft-lbs (108 Nm) · Socket size: 21mm · Thread: M12x1.5.

This page is the OEM-referenced fastener summary for the 2020 Hyundai I30. 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 2020 Hyundai I30

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 2020 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 2020 Hyundai I30?

The OEM-specified lug-nut torque for the 2020 Hyundai I30 is 80 ft-lbs (108 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 2020 Hyundai I30 lug nuts?

The 2020 Hyundai I30 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 2020 Hyundai I30 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 I30 years

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

→ 2020 Hyundai I30 oil drain plug torque & size

→ 2020 Hyundai I30 suspension & steering torque specs (control arm, ball joint, tie rod)

All 16 2020 Hyundai I30 fastener specs

Per-bolt torque, wrench size, and thread spec for the 2020 Hyundai I30, sourced from OEM service literature and verified against community shop data. Values pair imperial (ft-lb) and metric (Nm) where the manufacturer publishes both.

Wheels — 2020 Hyundai I30

Wheel and lug nut spec for the 2020 Hyundai I30. Lug nut tightens to 80 ft-lbs (108 Nm), takes a 21mm driver, runs on M12x1.5 threads, located at the all four wheels.

Engine — 2020 Hyundai I30

Engine bolt-by-bolt torque for the 2020 Hyundai I30, including the long block, valve covers, and intake. The spark plug uses a 16mm drive on a M14x1.25 thread, torqued to 25 Nm at the cylinder head. At the oil pan, the oil drain plug torques to 25 ft-lbs (34 Nm) (17mm drive, M14x1.5 thread). For the engine block, plan for a 76mm tool on a 3/4-16 UNF stud; final torque is 12 Nm (oil filter).

Suspension — 2020 Hyundai I30

Suspension and chassis fastener torque for the 2020 Hyundai I30 — strut, control arm, and sway bar values. At the knuckle, the front strut lower bolt torques to 147 Nm (18mm drive, M14x1.5 thread). For the knuckle, plan for a 17mm tool on a M12x1.5 stud; final torque is 45 Nm (front tie rod end nut). Front lower control arm tightens to 118 Nm, takes a 18mm driver, runs on M14x1.5 threads, located at the subframe. The rear shock lower bolt uses a 17mm drive on a M12x1.5 thread, torqued to 98 Nm at the rear axle. At the strut tower, the front strut upper nut torques to 50 Nm (17mm drive, M12x1.5 thread).

Brake — 2020 Hyundai I30

Brake fasteners on the 2020 Hyundai I30. For the rear hub, plan for a 17mm tool on a M14x1.5 stud; final torque is 69 Nm (rear brake caliper bracket). Rear brake caliper bolt tightens to 27 Nm, takes a 14mm driver, runs on M10x1.25 threads, located at the rear caliper. The front brake caliper bolt uses a 17mm drive on a M12x1.5 thread, torqued to 27 Nm at the front caliper. At the front hub, the front brake caliper bracket torques to 89 Nm (17mm drive, M14x1.5 thread).

Transmission — 2020 Hyundai I30

Transmission fasteners on the 2020 Hyundai I30. Transmission drain plug tightens to 35 Nm, takes a 17mm driver, runs on M14x1.5 threads, located at the trans pan.

Wheel — 2020 Hyundai I30

Wheel fasteners on the 2020 Hyundai I30. The wheel lug nut uses a 21mm drive on a M12x1.5 thread, torqued to 80 ft-lbs (108 Nm) at the front/rear. At the front, the front axle nut torques to 200 Nm (30mm drive, M22x1.5 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 2020 Hyundai I30 numbers above.

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