2012 GMC Terrain Lug Nut Torque & Bolt Specs

The 2012 GMC Terrain lug nut torque is 140 ft-lbs (190 Nm) 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. The wheel bolt pattern is 5x120.

Lug nut torque: 140 ft-lbs (190 Nm) · Thread: M14x1.5 · Bolt pattern: 5x120.

This page is the OEM-referenced fastener summary for the 2012 GMC Terrain. 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 2012 GMC Terrain

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 2012 model-year work: This era introduced widespread torque-to-yield (TTY) bolts on head, main, and crank pulley fasteners. TTY bolts stretch permanently when torqued and must not be reused — the spec calls for a fresh bolt every time. Always verify TTY status against the FSM before reassembly.

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 2012 GMC Terrain?

The OEM-specified lug-nut torque for the 2012 GMC Terrain is 140 ft-lbs (190 Nm) 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 2012 GMC Terrain lug nuts?

Most modern GMC vehicles use a 19mm or 21mm socket. Older GMC models from before 2000 may use a 13/16" SAE socket on certain trims. Confirm against the actual lug before purchasing aftermarket wheels.

Are the 2012 GMC Terrain 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 Terrain years

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

→ 2012 GMC Terrain suspension & steering torque specs (control arm, ball joint, tie rod)

All 33 2012 GMC Terrain fastener specs

Per-bolt torque, wrench size, and thread spec for the 2012 GMC Terrain, 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 — 2012 GMC Terrain

Wheel and lug nut spec for the 2012 GMC Terrain. The lug nut is a M14x1.5 thread, torqued to 140 ft-lbs (190 Nm).

Brakes — 2012 GMC Terrain

Brake fasteners on the 2012 GMC Terrain — caliper bracket, slide pins, and banjo bolt torque follow. The brake caliper guide pin bolt torques to 20 ft-lbs (27 Nm). plan for the right driver; final torque is 92 ft-lbs (125 Nm) (rear caliper bracket bolt). Front caliper bracket bolt tightens to 140 ft-lbs (190 Nm).

Engine — 2012 GMC Terrain

Engine bolt-by-bolt torque for the 2012 GMC Terrain, including the long block, valve covers, and intake. plan for the right driver; final torque is 46 ft-lbs (62 Nm) (engine mount to body bolt). Valve cover bolt tightens to 7 ft-lbs (10 Nm). The engine mount to engine bolt, torqued to 74 ft-lbs (100 Nm). The oil filter cap torques to 22 ft-lbs (30 Nm).

Drivetrain — 2012 GMC Terrain

Drivetrain and driveline fasteners for the 2012 GMC Terrain — axle, transmission, and differential plugs. Front axle hub nut tightens to 151 ft-lbs (205 Nm).

Suspension — 2012 GMC Terrain

Suspension and chassis fastener torque for the 2012 GMC Terrain — strut, control arm, and sway bar values. The front lower control arm rear bushing nut, torqued to 110 ft-lbs (150 Nm). The front strut top mount bolt torques to 18 ft-lbs (25 Nm). plan for the right driver; final torque is 52 ft-lbs (70 Nm) (front lower control arm rear bolt). Rear subframe to body bolt tightens to 125 ft-lbs (170 Nm). The front sway bar bracket bolt, torqued to 37 ft-lbs (50 Nm). The rear shock absorber lower bolt torques to 81 ft-lbs (110 Nm). plan for the right driver; final torque is 118 ft-lbs (160 Nm) (rear toe link bolt). Front wheel hub to knuckle bolt tightens to 74 ft-lbs (100 Nm). The front strut to knuckle bolt, torqued to 136 ft-lbs (185 Nm). The front lower ball joint to knuckle nut torques to 7 ft-lbs (10 Nm) + 165 deg. plan for the right driver; final torque is 118 ft-lbs (160 Nm) (rear lower control arm bolt). Rear upper control arm to support bolt tightens to 121 ft-lbs (164 Nm). The rear trailing arm bracket to knuckle bolt, torqued to 110 ft-lbs (150 Nm). The front lower control arm front bolt torques to 85 ft-lbs (115 Nm). plan for the right driver; final torque is 81 ft-lbs (110 Nm) (rear trailing arm bolt). Rear wheel hub to knuckle bolt tightens to 52 ft-lbs (70 Nm). The front strut shaft nut, torqued to 41 ft-lbs (55 Nm). The front sway bar link upper nut torques to 63 ft-lbs (85 Nm). plan for the right driver; final torque is 81 ft-lbs (110 Nm) (rear shock absorber upper bolt). Rear sway bar link to shaft nut tightens to 70 ft-lbs (95 Nm). The rear upper control arm to knuckle bolt, torqued to 118 ft-lbs (160 Nm). The front sway bar link lower nut torques to 55 ft-lbs (75 Nm).

Steering — 2012 GMC Terrain

Steering linkage fasteners on the 2012 GMC Terrain. The steering gear to cradle bolt torques to 81 ft-lbs (110 Nm). plan for the right driver; final torque is 44 ft-lbs (60 Nm) (outer tie rod end nut).

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 2012 GMC Terrain numbers above.

Loading the interactive 2012 GMC Terrain fastener lookup with per-bolt filtering, part links, and torque tools…