2023 GMC Sierra 1500 Lug Nut Torque & Bolt Specs

The 2023 GMC Sierra 1500 lug nut torque is 140 ft-lbs (190 Nm), tightened with a 22mm socket on M14x1.5 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: 140 ft-lbs (190 Nm) · Socket size: 22mm · Thread: M14x1.5.

This page is the OEM-referenced fastener summary for the 2023 GMC Sierra 1500. 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.

GM lug-nut torque clusters around 140 ft-lbs (190 Nm) for half-ton Silverado/Sierra and 100 ft-lbs for passenger cars like Malibu, Impala, and Cruze. GM heavy-duty trucks (2500HD/3500HD) jump to 165 ft-lbs. Most GM passenger cars use a 19mm socket; trucks moved from 22mm to 22mm-with-deep-well in 2014. Watch for GM's flat-flange lug nut design on the Silverado — the standard cone-seat aftermarket lugs will not seat correctly.

Common fastener categories on the 2023 GMC Sierra 1500

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 2023 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 2023 GMC Sierra 1500?

The OEM-specified lug-nut torque for the 2023 GMC Sierra 1500 is 140 ft-lbs (190 Nm), using a 22mm socket on M14x1.5 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 2023 GMC Sierra 1500 lug nuts?

The 2023 GMC Sierra 1500 uses a 22mm 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 2023 GMC Sierra 1500 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 GMC Sierra 1500 years

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

→ 2023 GMC Sierra 1500 oil drain plug torque & size

→ 2023 GMC Sierra 1500 suspension & steering torque specs (control arm, ball joint, tie rod)

All 55 2023 GMC Sierra 1500 fastener specs

Per-bolt torque, wrench size, and thread spec for the 2023 GMC Sierra 1500, sourced from OEM service literature and verified against community shop data. Values pair imperial (ft-lb) and metric (Nm) where the manufacturer publishes both. 4 of the 55 fastener specs on this page are independently verified against OEM service manuals and manufacturer torque data (last reviewed June 2026).

Engine — 2023 GMC Sierra 1500

Engine bolt-by-bolt torque for the 2023 GMC Sierra 1500, including the long block, valve covers, and intake. For the timing cover, plan for a 10mm tool on a M8x1.25 stud; final torque is 18 ft-lbs (timing cover bolt). Idler pulley bolt tightens to 37 ft-lbs, takes a 15mm driver, runs on M10x1.5 threads, located at the idler pulley. The oil filter uses a 3/4" Socket drive on a N/A thread, torqued to Hand tight + 3/4 turn at the engine block. OEM-verified spec. At the water pump, the water pump bolt torques to 33 ft-lbs (13mm drive, M10x1.5 thread). For the intake manifold, plan for a 13mm tool on a M10x1.5 stud; final torque is 18 ft-lbs (intake manifold bolt). Thermostat housing bolt tightens to 18 ft-lbs, takes a 10mm driver, runs on M8x1.25 threads, located at the thermostat housing. The fuel rail bolt uses a 10mm drive on a M8x1.25 thread, torqued to 89 in-lbs at the fuel rail. At the ps pump bracket, the power steering pump bolt torques to 37 ft-lbs (13mm drive, M10x1.5 thread). For the oil pan, plan for a 15mm tool on a M12x1.75 stud; final torque is 18 ft-lbs (25 Nm) (oil drain plug). OEM-verified spec. Engine mount bolt tightens to 70 ft-lbs, takes a 18mm driver, runs on M12x1.75 threads, located at the engine mount. The serpentine belt tensioner bolt uses a 15mm drive on a M10x1.5 thread, torqued to 37 ft-lbs at the belt tensioner. At the exhaust manifold, the exhaust manifold stud torques to 25 ft-lbs (13mm drive, M8x1.25 thread). For the alternator bracket, plan for a 15mm tool on a M10x1.5 stud; final torque is 37 ft-lbs (alternator bolt). Air intake boot clamp tightens to Hand tight, takes a 8mm driver, runs on N/A threads, located at the air intake. The throttle body bolt uses a 10mm drive on a M8x1.25 thread, torqued to 89 in-lbs at the throttle body. At the cylinder head, the spark plug torques to 11 ft-lbs (15 Nm) (5/8 in. (16mm) drive, M14x1.25 thread). Confirmed against manufacturer service literature. For the oil pan, plan for a 10mm tool on a M8x1.25 stud; final torque is 18 ft-lbs (oil pan bolt). Valve cover bolt tightens to 89 in-lbs, takes a 10mm driver, runs on M6x1.0 threads, located at the valve cover.

Suspension — 2023 GMC Sierra 1500

Suspension and chassis fastener torque for the 2023 GMC Sierra 1500 — strut, control arm, and sway bar values. Strut tower nut tightens to 44 ft-lbs, takes a 18mm driver, runs on M12x1.75 threads, located at the strut tower. The sway bar end link nut uses a 15mm drive on a M10x1.5 thread, torqued to 35 ft-lbs at the sway bar link. At the upper control arm, the upper control arm bolt torques to 140 ft-lbs (21mm drive, M14x2.0 thread). For the lower control arm, plan for a 21mm tool on a M14x2.0 stud; final torque is 140 ft-lbs (lower control arm bolt). Shock absorber upper bolt tightens to 70 ft-lbs, takes a 18mm driver, runs on M12x1.75 threads, located at the shock tower. The tie rod end nut uses a 19mm drive on a M12x1.75 thread, torqued to 40 ft-lbs at the tie rod. At the frame rail, the steering gearbox bolt torques to 110 ft-lbs (18mm drive, M12x1.75 thread). For the lower mount, plan for a 18mm tool on a M12x1.75 stud; final torque is 70 ft-lbs (shock absorber lower bolt). Leaf spring u-bolt tightens to 120 ft-lbs, takes a 19mm driver, runs on M12x1.75 threads, located at the rear axle. The pitman arm nut uses a 27mm drive on a M16x1.5 thread, torqued to 185 ft-lbs at the steering box. At the frame, the sway bar bracket bolt torques to 35 ft-lbs (15mm drive, M10x1.5 thread). For the ball joint, plan for a 22mm tool on a M14x1.5 stud; final torque is 50 ft-lbs (ball joint castle nut).

Wheel — 2023 GMC Sierra 1500

Wheel fasteners on the 2023 GMC Sierra 1500. The wheel weight clip uses a N/A drive on a N/A thread, torqued to N/A at the wheel rim. At the wheel assembly, the lug nut torques to 140 ft-lbs (190 Nm) (22mm drive, M14x1.5 thread). For the wheel hub, plan for a 10mm tool on a M6x1.0 stud; final torque is 15 ft-lbs (hub cap screw). Tpms valve stem nut tightens to 35 in-lbs, takes a 8mm driver, runs on N/A threads, located at the wheel rim. The center cap retainer uses a N/A drive on a N/A thread, torqued to N/A at the wheel center. At the wheel hub, the wheel stud torques to N/A (N/A drive, M14x1.5 thread).

Transmission — 2023 GMC Sierra 1500

Transmission fasteners on the 2023 GMC Sierra 1500. At the transmission, the transmission cooler line fitting torques to 20 ft-lbs (17mm drive, N/A thread). For the frame, plan for a 18mm tool on a M12x1.75 stud; final torque is 70 ft-lbs (transmission crossmember bolt). Transfer case drain plug tightens to 15 ft-lbs, takes a 15mm driver, runs on M14x1.5 threads, located at the transfer case. The transmission pan bolt uses a 13mm drive on a M8x1.25 thread, torqued to 12 ft-lbs at the trans pan. At the trans mount, the transmission mount bolt torques to 70 ft-lbs (18mm drive, M12x1.75 thread). For the driveshaft, plan for a 13mm tool on a M8x1.25 stud; final torque is 15 ft-lbs (driveshaft u-joint strap bolt). Transfer case bolt tightens to 37 ft-lbs, takes a 15mm driver, runs on M10x1.5 threads, located at the transfer case. The torque converter bolt uses a 15mm drive on a M10x1.5 thread, torqued to 46 ft-lbs at the flex plate. At the bell housing, the bell housing bolt torques to 37 ft-lbs (18mm drive, M12x1.75 thread).

Brake — 2023 GMC Sierra 1500

Brake fasteners on the 2023 GMC Sierra 1500. For the caliper bracket, plan for a N/A tool on a N/A stud; final torque is N/A (brake pad retaining clip). Caliper mounting bolt tightens to 37 ft-lbs (50 Nm), then +30-45° (torque-to-yield — replace bolts), takes a 18mm driver, runs on M12x1.75 threads, located at the brake caliper. OEM-verified spec. The master cylinder nut uses a 13mm drive on a M8x1.25 thread, torqued to 18 ft-lbs at the brake booster. At the caliper bracket, the caliper guide pin torques to 25 ft-lbs (13mm drive, M10x1.5 thread). For the rear caliper, plan for a 13mm tool on a M8x1.25 stud; final torque is 25 ft-lbs (parking brake cable bolt). Brake rotor set screw tightens to 35 in-lbs, takes a T30 Torx driver, runs on M6x1.0 threads, located at the brake rotor. The brake hose banjo bolt uses a 14mm drive on a M10x1.0 thread, torqued to 30 ft-lbs at the brake caliper. At the brake lines, the brake line fitting torques to 12 ft-lbs (11mm drive, M10x1.0 thread). For the wheel hub, plan for a 10mm tool on a M8x1.25 stud; final torque is 13 ft-lbs (abs sensor bolt). Brake booster nut tightens to 20 ft-lbs, takes a 15mm driver, runs on M10x1.5 threads, located at the firewall.

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 2023 GMC Sierra 1500 numbers above.

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