1997 Ford F-250 Lug Nut Torque & Bolt Specs

The 1997 Ford F-250 lug nut torque is 140 ft-lbs (190 Nm), tightened with a 7/8" socket on 9/16"-18 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: 7/8" · Thread: 9/16"-18.

This page is the OEM-referenced fastener summary for the 1997 Ford F-250. 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.

Ford lug-nut torque varies more by chassis than most makes — 100 ft-lbs for Focus/Fusion/Fiesta, 150 ft-lbs for half-ton F-150, and 165 ft-lbs for Super Duty F-250/F-350. F-150s from 2004-2014 use a 21mm OEM socket, while 2015+ aluminum-body trucks moved to the larger 22mm. Ford torque-to-yield (TTY) head bolts are standard from the early 2000s — do not reuse them, ever.

Common fastener categories on the 1997 Ford F-250

Repair guidance for this model year

Heads up for 1997 Ford F-250 owners: Vehicles this age frequently have seized fasteners due to thread corrosion. Apply penetrating oil (PB Blaster, Kroil) 24 hours before any wrenching, and have a thread chaser on hand. Lug studs are particularly prone to thread damage at this age; if a nut spins on without engaging, the stud is stretched and must be replaced before the wheel goes back on.

Tools you will need

Frequently asked questions

What is the lug nut torque on a 1997 Ford F-250?

The OEM-specified lug-nut torque for the 1997 Ford F-250 is 140 ft-lbs (190 Nm), using a 7/8" socket on 9/16"-18 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 1997 Ford F-250 lug nuts?

The 1997 Ford F-250 uses a 7/8" 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 1997 Ford F-250 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 Ford F-250 years

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

→ 1997 Ford F-250 oil drain plug torque & size

→ 1997 Ford F-250 suspension & steering torque specs (control arm, ball joint, tie rod)

→ 1997 Ford F-250 engine & transmission mount torque specs

All 117 1997 Ford F-250 fastener specs

Per-bolt torque, wrench size, and thread spec for the 1997 Ford F-250, sourced from OEM service literature and verified against community shop data. Values pair imperial (ft-lb) and metric (Nm) where the manufacturer publishes both. 8 of the 117 fastener specs on this page are independently verified against OEM service manuals and manufacturer torque data (last reviewed July 2026).

Wheels — 1997 Ford F-250

Wheel and lug nut spec for the 1997 Ford F-250. For the wheel hub, plan for a 15mm tool on a M12x1.75 stud; final torque is 65 ft-lbs (hub bearing bolt - front left). Lug nut tightens to 140 ft-lbs (190 Nm), takes a 7/8" driver, runs on 9/16"-18 threads, located at the all four wheels. The hub bearing bolt - rear right uses a 15mm drive on a M12x1.75 thread, torqued to 65 ft-lbs at the wheel hub. At the wheel hub, the hub bearing bolt - rear left torques to 65 ft-lbs (15mm drive, M12x1.75 thread). For the wheel speed sensor, plan for a 8mm tool on a M6x1.0 stud; final torque is 8 ft-lbs (wheel speed sensor bolt - rear left). Wheel speed sensor bolt - rear right tightens to 8 ft-lbs, takes a 8mm driver, runs on M6x1.0 threads, located at the wheel speed sensor. The wheel speed sensor bolt - front left uses a 8mm drive on a M6x1.0 thread, torqued to 8 ft-lbs at the wheel speed sensor. At the wheel hub, the hub bearing bolt - front right torques to 65 ft-lbs (15mm drive, M12x1.75 thread). For the wheel speed sensor, plan for a 8mm tool on a M6x1.0 stud; final torque is 8 ft-lbs (wheel speed sensor bolt - front right).

Brakes — 1997 Ford F-250

Brake fasteners on the 1997 Ford F-250 — caliper bracket, slide pins, and banjo bolt torque follow. Caliper slide pin - front left lower tightens to 25 ft-lbs, takes a 13mm driver, runs on M10x1.5 threads, located at the caliper slide. The brake line fitting - rear right uses a 11mm drive on a M10x1.0 thread, torqued to 12 ft-lbs at the brake line. At the brake line, the brake line fitting - front left torques to 12 ft-lbs (11mm drive, M10x1.0 thread). For the brake line, plan for a 11mm tool on a M10x1.0 stud; final torque is 12 ft-lbs (brake line fitting - front right). Caliper bracket bolt - rear left lower tightens to 166 ft-lbs (225 Nm), takes a 21mm driver, runs on M14x1.5 threads, located at the caliper bracket. OEM-verified spec. The caliper bracket bolt - rear left upper uses a 21mm drive on a M14x1.5 thread, torqued to 166 ft-lbs (225 Nm) at the caliper bracket. Confirmed against manufacturer service literature. At the caliper slide, the caliper slide pin - front right upper torques to 25 ft-lbs (13mm drive, M10x1.5 thread). For the caliper bracket, plan for a 21mm tool on a M14x1.5 stud; final torque is 166 ft-lbs (225 Nm) (caliper bracket bolt - front left lower). OEM-verified spec. Caliper bracket bolt - front right lower tightens to 166 ft-lbs (225 Nm), takes a 21mm driver, runs on M14x1.5 threads, located at the caliper bracket. Confirmed against manufacturer service literature. The caliper slide pin - front right lower uses a 13mm drive on a M10x1.5 thread, torqued to 25 ft-lbs at the caliper slide. At the brake line, the brake line fitting - rear left torques to 12 ft-lbs (11mm drive, M10x1.0 thread). For the caliper slide, plan for a 13mm tool on a M10x1.5 stud; final torque is 25 ft-lbs (caliper slide pin - front left upper). Caliper bracket bolt - front right upper tightens to 166 ft-lbs (225 Nm), takes a 21mm driver, runs on M14x1.5 threads, located at the caliper bracket. This figure is independently verified against OEM service data. The caliper bracket bolt - rear right lower uses a 21mm drive on a M14x1.5 thread, torqued to 166 ft-lbs (225 Nm) at the caliper bracket. OEM-verified spec. At the caliper bracket, the caliper bracket bolt - front left upper torques to 166 ft-lbs (225 Nm) (21mm drive, M14x1.5 thread). Confirmed against manufacturer service literature. For the caliper bracket, plan for a 21mm tool on a M14x1.5 stud; final torque is 166 ft-lbs (225 Nm) (caliper bracket bolt - rear right upper). This figure is independently verified against OEM service data.

Engine — 1997 Ford F-250

Engine bolt-by-bolt torque for the 1997 Ford F-250, including the long block, valve covers, and intake. The starter bolt - upper uses a 15mm drive on a M12x1.75 thread, torqued to 35 ft-lbs at the starter motor. At the oil pan, the oil pan bolt - rear left torques to 18 ft-lbs (10mm drive, M8x1.25 thread). For the oil pan, plan for a 10mm tool on a M8x1.25 stud; final torque is 18 ft-lbs (oil pan bolt - front left). Oil pan bolt - front right tightens to 18 ft-lbs, takes a 10mm driver, runs on M8x1.25 threads, located at the oil pan. The water pump bolt - upper uses a 10mm drive on a M8x1.25 thread, torqued to 18 ft-lbs at the water pump. At the intake manifold, the intake manifold bolt - center torques to 18 ft-lbs (13mm drive, M10x1.5 thread). For the valve cover, plan for a 8mm tool on a M8x1.25 stud; final torque is 8 ft-lbs (valve cover bolt - rear). Water pump bolt - lower tightens to 18 ft-lbs, takes a 10mm driver, runs on M8x1.25 threads, located at the water pump. The valve cover bolt - center uses a 8mm drive on a M8x1.25 thread, torqued to 8 ft-lbs at the valve cover. At the timing cover, the timing cover bolt - upper torques to 15 ft-lbs (10mm drive, M8x1.25 thread). For the cylinder head, plan for a 10mm tool on a M10x1.5 stud; final torque is 65 ft-lbs (cylinder head bolt - center). Intake manifold bolt - right tightens to 18 ft-lbs, takes a 13mm driver, runs on M10x1.5 threads, located at the intake manifold. The cylinder head bolt - front right uses a 10mm drive on a M10x1.5 thread, torqued to 65 ft-lbs at the cylinder head. At the front of engine block, the water pump bolt torques to 15-22 ft-lbs (1/2" or 13mm drive, 5/16"-18 or M8x1.25 thread). For the engine mount, plan for a 18mm tool on a M14x2.0 stud; final torque is 75 ft-lbs (motor mount bolt - rear). Valve cover bolt - left side tightens to 8 ft-lbs, takes a 8mm driver, runs on M8x1.25 threads, located at the valve cover. The water pump bolt - side uses a 10mm drive on a M8x1.25 thread, torqued to 18 ft-lbs at the water pump. At the oil pan, the oil pan bolt - rear right torques to 18 ft-lbs (10mm drive, M8x1.25 thread). For the intake to cylinder head, plan for a Varies tool on a Varies stud; final torque is 18-24 ft-lbs (intake manifold bolt). Exhaust manifold stud - center tightens to 25 ft-lbs, takes a 15mm driver, runs on M10x1.5 threads, located at the exhaust manifold. The motor mount bolt - front left uses a 18mm drive on a M14x2.0 thread, torqued to 75 ft-lbs at the engine mount. At the cylinder head, the cylinder head bolt - front left torques to 65 ft-lbs (10mm drive, M10x1.5 thread). For the timing cover, plan for a 10mm tool on a M8x1.25 stud; final torque is 15 ft-lbs (timing cover bolt - side). Valve cover bolt - right side tightens to 8 ft-lbs, takes a 8mm driver, runs on M8x1.25 threads, located at the valve cover. The exhaust manifold stud - front uses a 15mm drive on a M10x1.5 thread, torqued to 25 ft-lbs at the exhaust manifold. At the valve cover, the valve cover bolt - front torques to 8 ft-lbs (8mm drive, M8x1.25 thread). For the oil pan, plan for a 10mm tool on a M8x1.25 stud; final torque is 18 ft-lbs (oil pan bolt - side). Starter bolt - lower tightens to 35 ft-lbs, takes a 15mm driver, runs on M12x1.75 threads, located at the starter motor. The intake manifold bolt - left uses a 13mm drive on a M10x1.5 thread, torqued to 18 ft-lbs at the intake manifold. At the cylinder head, the cylinder head bolt - rear left torques to 65 ft-lbs (10mm drive, M10x1.5 thread). For the oil pan, plan for the right driver; final torque is 20 ft-lbs (27 Nm) (oil drain plug). Alternator bolt - lower tightens to 30 ft-lbs, takes a 13mm driver, runs on M10x1.5 threads, located at the alternator bracket. The alternator bolt - adjuster uses a 13mm drive on a M10x1.5 thread, torqued to 30 ft-lbs at the alternator bracket. At the alternator bracket, the alternator bolt - upper torques to 30 ft-lbs (13mm drive, M10x1.5 thread). For the engine mount, plan for a 18mm tool on a M14x2.0 stud; final torque is 75 ft-lbs (motor mount bolt - front right). Cylinder head bolt - rear right tightens to 65 ft-lbs, takes a 10mm driver, runs on M10x1.5 threads, located at the cylinder head. The exhaust manifold stud - rear uses a 15mm drive on a M10x1.5 thread, torqued to 25 ft-lbs at the exhaust manifold. At the intake manifold, the intake manifold bolt - front torques to 18 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 - rear). Timing cover bolt - lower tightens to 15 ft-lbs, takes a 10mm driver, runs on M8x1.25 threads, located at the timing cover.

Suspension — 1997 Ford F-250

Suspension and chassis fastener torque for the 1997 Ford F-250 — strut, control arm, and sway bar values. At the sway bar link, the sway bar link nut - rear right torques to 59 ft-lbs (80 Nm) (15mm drive, M10x1.5 thread). For the leaf spring, plan for a 19mm tool on a M14x2.0 stud; final torque is 90 ft-lbs (leaf spring u-bolt - front right). Sway bar bushing bracket - front right tightens to 25 ft-lbs, takes a 13mm driver, runs on M10x1.5 threads, located at the sway bar bushing. The control arm bolt - front inner uses a 21mm drive on a M16x2.0 thread, torqued to 125 ft-lbs at the control arm. At the leaf spring, the leaf spring u-bolt - rear right torques to 90 ft-lbs (19mm drive, M14x2.0 thread). For the ball joint, plan for a 19mm tool on a M14x1.5 stud; final torque is 80 ft-lbs (ball joint nut - front right). Ball joint nut - front left tightens to 80 ft-lbs, takes a 19mm driver, runs on M14x1.5 threads, located at the ball joint. The shock absorber bolt - lower uses a 15mm drive on a M12x1.75 thread, torqued to 45 ft-lbs at the shock absorber. At the control arm, the control arm bolt - front outer torques to 125 ft-lbs (21mm drive, M16x2.0 thread). For the strut top mount, plan for a 18mm tool on a M14x2.0 stud; final torque is 50 ft-lbs (strut mount bolt - front right). Sway bar bushing bracket - rear right tightens to 25 ft-lbs, takes a 13mm driver, runs on M10x1.5 threads, located at the sway bar bushing. The sway bar bushing bracket - rear left uses a 13mm drive on a M10x1.5 thread, torqued to 25 ft-lbs at the sway bar bushing. At the strut top mount, the strut mount bolt - front left torques to 50 ft-lbs (18mm drive, M14x2.0 thread). For the control arm, plan for a 21mm tool on a M16x2.0 stud; final torque is 125 ft-lbs (control arm bolt - rear inner). Sway bar link nut - rear left tightens to 59 ft-lbs (80 Nm), takes a 15mm driver, runs on M10x1.5 threads, located at the sway bar link. The leaf spring u-bolt - rear left uses a 19mm drive on a M14x2.0 thread, torqued to 90 ft-lbs at the leaf spring. At the sway bar bushing, the sway bar bushing bracket - front left torques to 25 ft-lbs (13mm drive, M10x1.5 thread). For the shock absorber, plan for a 15mm tool on a M12x1.75 stud; final torque is 45 ft-lbs (shock absorber bolt - upper). Strut mount bolt - rear right tightens to 50 ft-lbs, takes a 18mm driver, runs on M14x2.0 threads, located at the strut top mount. The strut mount bolt - rear left uses a 18mm drive on a M14x2.0 thread, torqued to 50 ft-lbs at the strut top mount. At the control arm, the control arm bolt - rear outer torques to 125 ft-lbs (21mm drive, M16x2.0 thread). For the leaf spring, plan for a 19mm tool on a M14x2.0 stud; final torque is 90 ft-lbs (leaf spring u-bolt - front left). Sway bar link nut - front left tightens to 59 ft-lbs (80 Nm), takes a 15mm driver, runs on M10x1.5 threads, located at the sway bar link. The sway bar link nut - front right uses a 15mm drive on a M10x1.5 thread, torqued to 59 ft-lbs (80 Nm) at the sway bar link.

Body — 1997 Ford F-250

Body fasteners on the 1997 Ford F-250. For the various, plan for a 10mm tool on a M8x1.25 stud; final torque is 15 ft-lbs (miscellaneous fastener 120). Miscellaneous fastener 115 tightens to 15 ft-lbs, takes a 10mm driver, runs on M8x1.25 threads, located at the various. The miscellaneous fastener 117 uses a 10mm drive on a M8x1.25 thread, torqued to 15 ft-lbs at the various. At the various, the miscellaneous fastener 112 torques to 15 ft-lbs (10mm drive, M8x1.25 thread). For the various, plan for a 10mm tool on a M8x1.25 stud; final torque is 15 ft-lbs (miscellaneous fastener 110). Miscellaneous fastener 109 tightens to 15 ft-lbs, takes a 10mm driver, runs on M8x1.25 threads, located at the various. The miscellaneous fastener 116 uses a 10mm drive on a M8x1.25 thread, torqued to 15 ft-lbs at the various. At the various, the miscellaneous fastener 111 torques to 15 ft-lbs (10mm drive, M8x1.25 thread). For the various, plan for a 10mm tool on a M8x1.25 stud; final torque is 15 ft-lbs (miscellaneous fastener 114). Miscellaneous fastener 118 tightens to 15 ft-lbs, takes a 10mm driver, runs on M8x1.25 threads, located at the various. The miscellaneous fastener 119 uses a 10mm drive on a M8x1.25 thread, torqued to 15 ft-lbs at the various. At the various, the miscellaneous fastener 113 torques to 15 ft-lbs (10mm drive, M8x1.25 thread).

Transmission — 1997 Ford F-250

Transmission fasteners on the 1997 Ford F-250. Shift linkage bolt - lower tightens to 15 ft-lbs, takes a 10mm driver, runs on M8x1.25 threads, located at the shift linkage. The cooler line fitting - outlet uses a 14mm drive on a M12x1.5 thread, torqued to 20 ft-lbs at the transmission cooler. At the bell housing, the bell housing bolt - lower torques to 55 ft-lbs (15mm drive, M12x1.75 thread). For the shift linkage, plan for a 10mm tool on a M8x1.25 stud; final torque is 15 ft-lbs (shift linkage bolt - upper). Transmission pan bolt - front tightens to 12 ft-lbs, takes a 10mm driver, runs on M8x1.25 threads, located at the transmission pan. The transmission pan bolt - left uses a 10mm drive on a M8x1.25 thread, torqued to 12 ft-lbs at the transmission pan. At the bell housing, the bell housing bolt - side torques to 55 ft-lbs (15mm drive, M12x1.75 thread). For the transmission pan, plan for a 10mm tool on a M8x1.25 stud; final torque is 12 ft-lbs (transmission pan bolt - right). Bell housing bolt - upper tightens to 55 ft-lbs, takes a 15mm driver, runs on M12x1.75 threads, located at the bell housing. The transmission pan bolt - rear uses a 10mm drive on a M8x1.25 thread, torqued to 12 ft-lbs at the transmission pan. At the transmission mount, the transmission mount bolt - cross member torques to 65 ft-lbs (18mm drive, M14x2.0 thread). For the transmission pan, plan for a 10mm tool on a M8x1.25 stud; final torque is 12 ft-lbs (transmission pan bolt - corner). Cooler line fitting - inlet tightens to 20 ft-lbs, takes a 14mm driver, runs on M12x1.5 threads, located at the transmission cooler. The transmission mount bolt - front uses a 18mm drive on a M14x2.0 thread, torqued to 65 ft-lbs at the transmission mount. At the shift linkage, the shift linkage bolt - pivot torques to 15 ft-lbs (10mm drive, M8x1.25 thread). For the transmission mount, plan for a 18mm tool on a M14x2.0 stud; final torque is 65 ft-lbs (transmission mount bolt - rear).

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 1997 Ford F-250 numbers above.

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