2025 GMC Sierra 1500 Lug Nut Torque & Bolt Specs

The 2025 GMC Sierra 1500 lug nut torque is 140 ft-lbs, 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 · Socket size: 22mm · Thread: M14x1.5.

This page is the OEM-referenced fastener summary for the 2025 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 2025 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 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 GMC Sierra 1500?

The OEM-specified lug-nut torque for the 2025 GMC Sierra 1500 is 140 ft-lbs, 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 2025 GMC Sierra 1500 lug nuts?

The 2025 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 2025 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.

→ 2025 GMC Sierra 1500 oil drain plug torque & size

→ 2025 GMC Sierra 1500 suspension & steering torque specs (control arm, ball joint, tie rod)

All 55 2025 GMC Sierra 1500 fastener specs

Per-bolt torque, wrench size, and thread spec for the 2025 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. 2 of the 55 fastener specs on this page are independently verified against OEM service manuals and manufacturer torque data (last reviewed June 2026).

Engine — 2025 GMC Sierra 1500

Engine bolt-by-bolt torque for the 2025 GMC Sierra 1500, including the long block, valve covers, and intake. The alternator bolt uses a 15mm drive on a M10x1.5 thread, torqued to 37 ft-lbs at the alternator bracket. At the valve cover, the valve cover bolt torques to 89 in-lbs (10mm drive, M6x1.0 thread). For the engine block, plan for a 3/4" Socket tool on a N/A stud; final torque is Hand tight + 3/4 turn (oil filter). Fuel rail bolt tightens to 89 in-lbs, takes a 10mm driver, runs on M8x1.25 threads, located at the fuel rail. 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 thermostat housing, plan for a 10mm tool on a M8x1.25 stud; final torque is 18 ft-lbs (thermostat housing bolt). Idler pulley bolt tightens to 37 ft-lbs, takes a 15mm driver, runs on M10x1.5 threads, located at the idler pulley. The power steering pump bolt uses a 13mm drive on a M10x1.5 thread, torqued to 37 ft-lbs at the ps pump bracket. At the oil pan, the oil drain plug torques to 18 ft-lbs (15mm drive, M14x1.5 thread). For the air intake, plan for a 8mm tool on a N/A stud; final torque is Hand tight (air intake boot clamp). Spark plug tightens to 11 ft-lbs (15 Nm), takes a 5/8 in. (16mm) driver, runs on M14x1.25 threads, located at the cylinder head. Confirmed against manufacturer service literature. The oil pan bolt uses a 10mm drive on a M8x1.25 thread, torqued to 18 ft-lbs at the oil pan. At the engine mount, the engine mount bolt torques to 70 ft-lbs (18mm drive, M12x1.75 thread). For the intake manifold, plan for a 13mm tool on a M10x1.5 stud; final torque is 18 ft-lbs (intake manifold bolt). Timing cover bolt tightens to 18 ft-lbs, takes a 10mm driver, runs on M8x1.25 threads, located at the timing cover. The water pump bolt uses a 13mm drive on a M10x1.5 thread, torqued to 33 ft-lbs at the water pump. At the throttle body, the throttle body bolt torques to 89 in-lbs (10mm drive, M8x1.25 thread).

Suspension — 2025 GMC Sierra 1500

Suspension and chassis fastener torque for the 2025 GMC Sierra 1500 — strut, control arm, and sway bar values. At the ball joint, the ball joint castle nut torques to 50 ft-lbs (22mm drive, M14x1.5 thread). For the strut tower, plan for a 18mm tool on a M12x1.75 stud; final torque is 44 ft-lbs (strut tower nut). Upper control arm bolt tightens to 140 ft-lbs, takes a 21mm driver, runs on M14x2.0 threads, located at the upper control arm. The shock absorber lower bolt uses a 18mm drive on a M12x1.75 thread, torqued to 70 ft-lbs at the lower mount. At the rear axle, the leaf spring u-bolt torques to 120 ft-lbs (19mm drive, M12x1.75 thread). For the frame rail, plan for a 18mm tool on a M12x1.75 stud; final torque is 110 ft-lbs (steering gearbox bolt). Sway bar bracket bolt tightens to 35 ft-lbs, takes a 15mm driver, runs on M10x1.5 threads, located at the frame. 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 shock tower, the shock absorber upper bolt torques to 70 ft-lbs (18mm drive, M12x1.75 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). Pitman arm nut tightens to 185 ft-lbs, takes a 27mm driver, runs on M16x1.5 threads, located at the steering box. The tie rod end nut uses a 19mm drive on a M12x1.75 thread, torqued to 40 ft-lbs at the tie rod.

Brake — 2025 GMC Sierra 1500

Brake fasteners on the 2025 GMC Sierra 1500. 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 hose banjo bolt tightens to 30 ft-lbs, takes a 14mm driver, runs on M10x1.0 threads, located at the brake caliper. The brake pad retaining clip uses a N/A drive on a N/A thread, torqued to N/A at the caliper bracket. At the wheel hub, the abs sensor bolt torques to 13 ft-lbs (10mm drive, M8x1.25 thread). For the brake rotor, plan for a T30 Torx tool on a M6x1.0 stud; final torque is 35 in-lbs (brake rotor set screw). Master cylinder nut tightens to 18 ft-lbs, takes a 13mm driver, runs on M8x1.25 threads, located at the brake booster. The brake line fitting uses a 11mm drive on a M10x1.0 thread, torqued to 12 ft-lbs at the brake lines. At the caliper bracket, the caliper guide pin torques to 25 ft-lbs (13mm drive, M10x1.5 thread). For the firewall, plan for a 15mm tool on a M10x1.5 stud; final torque is 20 ft-lbs (brake booster nut). 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. Confirmed against manufacturer service literature.

Transmission — 2025 GMC Sierra 1500

Transmission fasteners on the 2025 GMC Sierra 1500. Transmission mount bolt tightens to 70 ft-lbs, takes a 18mm driver, runs on M12x1.75 threads, located at the trans mount. The driveshaft u-joint strap bolt uses a 13mm drive on a M8x1.25 thread, torqued to 15 ft-lbs at the driveshaft. At the bell housing, the bell housing bolt torques to 37 ft-lbs (18mm drive, M12x1.75 thread). For the transmission, plan for a 17mm tool on a N/A stud; final torque is 20 ft-lbs (transmission cooler line fitting). 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 crossmember bolt uses a 18mm drive on a M12x1.75 thread, torqued to 70 ft-lbs at the frame. At the flex plate, the torque converter bolt torques to 46 ft-lbs (15mm drive, M10x1.5 thread). For the trans pan, plan for a 13mm tool on a M8x1.25 stud; final torque is 12 ft-lbs (transmission pan bolt). Transfer case bolt tightens to 37 ft-lbs, takes a 15mm driver, runs on M10x1.5 threads, located at the transfer case.

Wheel — 2025 GMC Sierra 1500

Wheel fasteners on the 2025 GMC Sierra 1500. The wheel stud uses a N/A drive on a M14x1.5 thread, torqued to N/A at the wheel hub. At the wheel hub, the hub cap screw torques to 15 ft-lbs (10mm drive, M6x1.0 thread). For the wheel assembly, plan for a 22mm tool on a M14x1.5 stud; final torque is 140 ft-lbs (lug nut). Center cap retainer tightens to N/A, takes a N/A driver, runs on N/A threads, located at the wheel center. The tpms valve stem nut uses a 8mm drive on a N/A thread, torqued to 35 in-lbs at the wheel rim. At the wheel rim, the wheel weight clip torques to N/A (N/A drive, N/A 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 2025 GMC Sierra 1500 numbers above.

Loading the interactive 2025 GMC Sierra 1500 fastener lookup with per-bolt filtering, part links, and torque tools…