2021 Honda Civic Lug Nut Torque & Bolt Specs

The 2021 Honda Civic lug nut torque is 80 ft-lbs (108 Nm), tightened with a 19mm 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: 19mm · Thread: M12x1.5.

This page is the OEM-referenced fastener summary for the 2021 Honda Civic. 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.

Honda's lug-nut torque sits at 80 ft-lbs (108 Nm) for nearly every passenger model from 1998 onward, with an M12x1.5 thread on most cars and the larger 14mm thread on Ridgeline and Pilot. The 19mm socket Honda uses is one of the only OEM oddities in the Japanese lineup — bring a 19mm with you, not just a 21mm. Honda factory torque values for engine oil drain plugs are unusually low (29 ft-lbs on most engines) and the crush washer is single-use, so replace it every oil change.

Common fastener categories on the 2021 Honda Civic

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 Honda Civic?

The OEM-specified lug-nut torque for the 2021 Honda Civic is 80 ft-lbs (108 Nm), using a 19mm 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 2021 Honda Civic lug nuts?

The 2021 Honda Civic uses a 19mm 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 Honda Civic 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 Honda Civic years

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

All 18 2021 Honda Civic fastener specs

Per-bolt torque, wrench size, and thread spec for the 2021 Honda Civic, 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 — 2021 Honda Civic

Wheel and lug nut spec for the 2021 Honda Civic. For the wheel hub, plan for a 19mm tool on a M12x1.5 stud; final torque is 80 ft-lbs (108 Nm) (lug nut).

Brakes — 2021 Honda Civic

Brake fasteners on the 2021 Honda Civic — caliper bracket, slide pins, and banjo bolt torque follow. Front caliper bracket bolt tightens to 80 ft-lbs, takes a 17mm driver, runs on M12x1.25 threads, located at the front brake caliper bracket. The brake caliper bolt uses a 14mm drive on a M12x1.25 thread, torqued to 22 ft-lbs at the caliper. At the wheel hub, the wheel lug nut torques to 108 Nm (80 lb-ft) (19mm drive, M12 x 1.5 thread). For the knuckle, plan for a 17mm tool on a M12x1.25 stud; final torque is 80 ft-lbs (brake caliper bracket).

Engine — 2021 Honda Civic

Engine bolt-by-bolt torque for the 2021 Honda Civic, including the long block, valve covers, and intake. The cam cap bolt uses a 12mm drive on a M6x1.0 thread, torqued to 15 ft-lbs at the cylinder head. At the engine, the connecting rod bolt torques to Stage 1: 14 ft-lbs, Stage 2: +90° (12mm drive, M8x1.0 thread). For the cylinder head, plan for a 16mm tool on a M14x1.25 stud; final torque is 22 ft-lbs (spark plug). Alternator bolt tightens to 18 ft-lbs, takes a 12mm driver, runs on M8x1.25 threads, located at the bracket. The oil drain plug uses a 17mm drive on a M12x1.5 thread, torqued to 33 ft-lbs at the oil pan. At the valve cover, the valve cover bolt torques to 7.2 ft-lbs (10mm drive, M6x1.0 thread). For the engine, plan for a 14mm tool on a M11x1.5 stud; final torque is Stage 1: 22 ft-lbs, Stage 2: +90°, Stage 3: +90° (cylinder head bolt).

Drivetrain — 2021 Honda Civic

Drivetrain and driveline fasteners for the 2021 Honda Civic — axle, transmission, and differential plugs. At the front hub/spindle, the axle nut torques to 181 ft-lbs (32mm drive, M24x1.5 thread).

Suspension — 2021 Honda Civic

Suspension and chassis fastener torque for the 2021 Honda Civic — strut, control arm, and sway bar values. For the subframe, plan for a 17mm tool on a M12x1.25 stud; final torque is 54 ft-lbs (lower control arm bolt). Strut fork bolt tightens to 47 ft-lbs, takes a 17mm driver, runs on M12x1.25 threads, located at the front strut fork.

Body — 2021 Honda Civic

Body fasteners on the 2021 Honda Civic. Door hinge bolt tightens to 16 ft-lbs, takes a 14mm driver, runs on M8x1.25 threads, located at the body. The front bumper bolt uses a 10mm drive on a M6x1.0 thread, torqued to 7 ft-lbs at the frame. At the hood, the hood hinge bolt torques to 16 ft-lbs (12mm drive, M8x1.25 thread).

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