2004 Chevrolet Silverado 1500 Lug Nut Torque & Bolt Specs

The 2004 Chevrolet Silverado 1500 lug nut torque is 140 ft-lbs (190 Nm), tightened with a 22mm (13/16") 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 (13/16") · Thread: M14x1.5.

This page is the OEM-referenced fastener summary for the 2004 Chevrolet Silverado 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 2004 Chevrolet Silverado 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 2004 model-year work: Always use a calibrated torque wrench for safety-critical fasteners, and replace lock washers and crush washers on every 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 2004 Chevrolet Silverado 1500?

The OEM-specified lug-nut torque for the 2004 Chevrolet Silverado 1500 is 140 ft-lbs (190 Nm), using a 22mm (13/16") 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 2004 Chevrolet Silverado 1500 lug nuts?

The 2004 Chevrolet Silverado 1500 uses a 22mm (13/16") 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 2004 Chevrolet Silverado 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 Chevrolet Silverado 1500 years

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

→ 2004 Chevrolet Silverado 1500 oil drain plug torque & size

→ 2004 Chevrolet Silverado 1500 suspension & steering torque specs (control arm, ball joint, tie rod)

→ 2004 Chevrolet Silverado 1500 engine & transmission mount torque specs

→ 2004 Chevrolet Silverado 1500 brake job torque specs (caliper, bracket & slide pins)

All 185 2004 Chevrolet Silverado 1500 fastener specs

Per-bolt torque, wrench size, and thread spec for the 2004 Chevrolet Silverado 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. 5 of the 185 fastener specs on this page are independently verified against OEM service manuals and manufacturer torque data (last reviewed June 2026).

Brakes — 2004 Chevrolet Silverado 1500

Brake fasteners on the 2004 Chevrolet Silverado 1500 — caliper bracket, slide pins, and banjo bolt torque follow. At the wheel cylinder to brake backing plate, the rear drum brake wheel cylinder bolts torques to 11-17 ft-lbs (typical GM range for wheel cylinder mounting bolts) (13 mm drive, M8x1.25 thread). For the caliper bracket (anchor plate) bolts to steering knuckle, plan for a 18mm tool on a M14x1.5 or M16x1.5 (18 mm hex head) stud; final torque is 129 ft-lbs (175 Nm) (front brake caliper bracket (anchor plate) bolts). Confirmed against manufacturer service literature. Front caliper slide pin bolts tightens to 26 ft-lbs (35 Nm), takes a 18mm driver, runs on M12x1.75 (pin bolt) threads, located at the caliper guide pins / slide pins to caliper bracket. This figure is independently verified against OEM service data. The rear brake caliper bracket bolts (disc brake trucks) uses a 18 mm drive on a M16x1.5 (18 mm hex) thread, torqued to 148 ft-lbs (Gen3 K2XX 2014 confirmed by TRQ repair video) at the rear caliper bracket to rear axle/knuckle flange. At the front abs sensor to wheel bearing hub, the abs wheel speed sensor bolt (front) torques to 115 in-lbs (9.6 ft-lbs) — Gen1 GMT800 (1999-2006 per TRQ video); 13 ft-lbs — Gen2 GMT900 (2007-2013 per Merchant Auto FSM) (3/16 in Allen (Gen1); varies Gen2 drive, 3/16 Allen head thread).

Engine — 2004 Chevrolet Silverado 1500

Engine bolt-by-bolt torque for the 2004 Chevrolet Silverado 1500, including the long block, valve covers, and intake. For the front of block, cam retainer/thrust plate, plan for a 10 mm or T-30 Torx tool on a M8 stud; final torque is 18 ft-lbs (standard hex bolts); 11 ft-lbs (countersunk Torx/hex bolts) (camshaft retainer plate bolts). Rocker arm (valve lifter) bolts tightens to 22 ft-lbs, takes a 10 mm driver, runs on M8x1.25 threads, located at the rocker arms on cylinder head. The knock sensor bolts uses a 15 mm hex (sensor body hex) drive on a M8x1.25 thread, torqued to 15 ft-lbs at the engine block valley (beneath intake manifold), 2 sensors v8. At the front of crankshaft, the harmonic balancer (crankshaft damper) bolt torques to TTY PROCEDURE — Step 1 (old bolt, installation pass to seat balancer): 240 ft-lbs. Step 2 (NEW bolt only): 37 ft-lbs, then +140 degrees. (1-1/16 in (27 mm) 12-point socket drive, M21x1.5 (large crankshaft thread) thread). For the thermostat housing/water outlet at front of intake manifold, plan for a 10 mm tool on a M8x1.25 stud; final torque is 11 ft-lbs (thermostat housing (water inlet) bolts). Exhaust manifold bolts tightens to 2-stage: Step 1 = 11 ft-lbs; Step 2 (final) = 18 ft-lbs. (New cylinder head: 11 ft-lbs first pass per some sources.), takes a 10 mm or 13 mm (varies by year — some use Torx) driver, runs on M8x1.25 threads, located at the exhaust manifold to cylinder head, 8 bolts per side. The engine mount through bolt (frame-side isolator) uses a 18 mm drive on a M12x1.75 thread, torqued to 70 ft-lbs (through bolt); 59 ft-lbs (through bolt nut) at the through rubber isolator, connecting bracket to frame crossmember. At the oil pan rear edge, bolts into rear crankshaft cover, the oil pan bolts — m6 (to rear cover) torques to 106 in-lbs (8.8 ft-lbs) (8 mm drive, M6x1.0 thread). For the valley cover (cam actuator housing cover on top of block between heads), plan for a 10 mm tool on a M8x1.25 stud; final torque is 18 ft-lbs (engine valley cover bolts). Alternator (generator) bolts tightens to 37 ft-lbs (bracket bolts to block); 18 ft-lbs (generator rear bracket to block); 18 ft-lbs (generator rear bracket to generator), takes a 15 mm / 13 mm driver, runs on M10x1.5 (mounting bolts); M8x1.25 (small bracket bolts) threads, located at the alternator mounting to bracket; bracket to block. The engine mount stud / bolt to engine block uses a 15 mm drive on a M10x1.5 thread, torqued to 37 ft-lbs at the block-side of front engine mount bracket. At the front of camshaft, sprocket retention, the camshaft sprocket bolts (3-bolt cam, gen iii ls) torques to 26 ft-lbs (10 mm drive, M8 thread). For the bottom of oil pan, plan for a 15 mm tool on a M12x1.75 stud; final torque is 18 ft-lbs (25 Nm) (oil drain plug). Engine front cover bolts tightens to 18 ft-lbs, takes a 10 mm driver, runs on M8x1.25 threads, located at the timing chain/front cover to engine block. The cylinder head bolts — gen v lt (2014 k2xx) uses a 13 mm / 6 mm Allen drive on a M11x2.0 and M8x1.25 thread, torqued to All 20 bolts Step 1 = 59 ft-lbs; All 20 Step 2 = +90 degrees; 19 standard bolts Step 3 = +60 degrees; Allen bolt (LH head, front-most position) Step 3 = +40 degrees at the 20 head bolts per head (19 standard + 1 allen-head on lh head). At the valve cover to cylinder head, each bank, the valve (rocker arm) cover bolts torques to 106 in-lbs (8.8 ft-lbs) (8 mm drive, M6 thread). For the power steering pump to bracket / block, plan for a 13 mm or 15 mm depending on bolt tool on a M8x1.25 stud; final torque is 18 ft-lbs (pump to bracket); 18 ft-lbs (bracket to block) (power steering pump bolts). Ignition coil pack bolts (coil-to-bracket) tightens to 106 in-lbs (8.8 ft-lbs), takes a 8 mm driver, runs on M6x1.0 threads, located at the individual coil mounting bolts to coil bracket on valve cover. The main bearing cap bolts — inner (gen iii/iv iron block) uses a 13 mm drive on a M11x2.0 thread, torqued to Step 1 = 15 ft-lbs; Step 2 = +80 degrees at the main bearing caps, inner fasteners (m11 hex bolts). At the water pump to front engine cover, the water pump bolts torques to Step 1 = 11 ft-lbs; Step 2 (final) = 22 ft-lbs (10 mm drive, M8x1.25 thread). For the oil pan perimeter bolts, sides and front, plan for a 10 mm tool on a M8x1.25 stud; final torque is 18 ft-lbs (oil pan bolts — m8 (to block and front cover)). Timing chain tensioner bolts tightens to 18 ft-lbs, takes a 10 mm driver, runs on M8 threads, located at the driver's side of timing chain, block-mounted tensioner. The crankshaft position sensor bolt uses a 8 mm drive on a M6x1.0 thread, torqued to 18 ft-lbs at the block, passenger side near crank, behind oil filter. At the connecting rod big-end cap, the connecting rod bolts (second design — most common, 1999+) torques to Step 1 = 15 ft-lbs; Step 2 = +75 degrees (9 mm or T-40 Torx drive, M9x1.25 (bolts have retaining sleeve) thread). For the lower intake manifold to cylinder heads (composite manifold, 10 bolts), plan for a 8 mm tool on a M8x1.25 stud; final torque is Step 1 = 44 in-lbs; Step 2 = 89 in-lbs (7.4 ft-lbs final) (intake manifold bolts). Throttle body bolts tightens to 106 in-lbs (8.8 ft-lbs), takes a 8 mm driver, runs on M6x1.0 threads, located at the throttle body to intake manifold (4 bolts). The cylinder head bolts — m11 (all gen iii ls, gen1/gen2 trucks) uses a 13 mm (M11), 10 mm (M8) drive on a M11x2.0 (long bolts); M8x1.25 (inner small bolts) thread, torqued to M11 bolts: Step 1 = 22 ft-lbs; Step 2 = +90 degrees; Step 3 = +90 degrees (bolts 1-8 / longer bolts); Step 3 = +50 degrees (bolts 9-10 / shorter outer front/rear bolts). M8 inner bolts: 22 ft-lbs (no at the 10x m11 head bolts per head + 5x m8 inner bolts. At the oil filter mount on engine block or adapter, the oil filter torques to 22 ft-lbs (Oil filter wrench (65 mm or 14-flute cap type) drive, 3/4"-16 (SAE spin-on thread) thread). Confirmed against manufacturer service literature.

Drivetrain — 2004 Chevrolet Silverado 1500

Drivetrain and driveline fasteners for the 2004 Chevrolet Silverado 1500 — axle, transmission, and differential plugs. Rear ring gear bolts (gm 9.5 axle) tightens to 103 ft-lbs (Merchant Automotive FSM), takes a 18 mm driver, runs on M12x1.25 threads, located at the ring gear to carrier, 9.5-in axle. The transfer case shield / skid plate bolts uses a 10 mm or 13 mm drive on a M8x1.25 thread, torqued to 15 ft-lbs at the transfer case skid shield to frame. At the rear differential cover, gen2 trucks with 9.5 axle, the rear differential cover bolts (gm 9.5 axle) torques to 30 ft-lbs (13 mm or 15 mm drive, M8x1.25 or M10x1.5 thread). For the front differential cover bolts on aam 9.25 ifs axle, plan for a 13 mm tool on a M8x1.25 (cover bolts) stud; final torque is 24 ft-lbs (drain/fill plug); cover bolt torque ~ 30 ft-lbs (same as rear cover) (front differential cover bolts (aam 9.25-in ifs, 4wd)). Differential drain plug tightens to 24 lb-ft, takes a 3/8 inch driver, runs on 3/8-18 NPT threads, located at the differential housing. The transfer case-to-transmission adapter bolts / nuts (nvg246 / nvg263) uses a 15 mm drive on a M10x1.5 thread, torqued to 37 ft-lbs (adapter bolts and nuts) at the transfer case to transmission adapter. At the ring gear to differential carrier, the rear ring gear bolts (gm 8.5/8.6 axle) torques to 65 ft-lbs (Crawlpedia/Sierra Gear reference); 89 ft-lbs (Merchant Automotive 2007+ factory manual) (18 mm drive, M12x1.25 (ring gear bolts) thread). For the driveshaft yoke, plan for a 1/2 inch tool on a 5/16-18 stud; final torque is 15 lb-ft (driveshaft u-joint strap bolt). Flexplate-to-torque converter bolts tightens to 44 ft-lbs (4L60E); 46 ft-lbs (4L60E per some sources); 32 ft-lbs (4L80E), takes a 15 mm driver, runs on M10x1.5 threads, located at the torque converter to flexplate (through inspection cover). The transmission mount bolt (trans-to-mount) uses a 15 mm drive on a M10x1.5 thread, torqued to 35 ft-lbs (mount to transmission); 30 ft-lbs (mount nuts at crossmember) at the rubber transmission mount to transmission extension housing. At the transfer case case bottom/side, the transfer case drain/fill plug (nvg246 / nvg263) torques to 15 ft-lbs (3/8 in square drive or 24 mm socket drive, 3/8" NPT (pipe thread) or metric depending on case thread). For the frame crossmember, plan for a 13mm tool on a M10 x 1.5 stud; final torque is 37 lb-ft (driveshaft center support bearing bolt). Rear driveshaft bolts (to rear pinion/differential flange) tightens to 18 ft-lbs (U-joint strap/cap bolts, M8), takes a 13 mm driver, runs on M8x1.25 (strap bolts) threads, located at the rear driveshaft u-joint strap bolts at rear axle pinion flange. The transmission crossmember bolts (to frame) uses a 18 mm drive on a M12x1.75 thread, torqued to 85 ft-lbs at the transmission crossmember/support bracket to frame rails. At the differential cover, the differential cover bolt torques to 25 lb-ft (13mm drive, M10 x 1.5 thread). For the transmission/transfer case, plan for a 18mm tool on a M12 x 1.75 stud; final torque is 37 lb-ft (transfer case mounting bolt). Transfer case drain plug tightens to 25 lb-ft, takes a 15mm driver, runs on M14 x 1.5 threads, located at the transfer case. The rear pinion nut / preload (gm 8.5/8.6) uses a 1-3/4 in or appropriate crowfoot drive on a Large coarse pinion nut thread, torqued to Pinion bearing preload (rotational): 14-19 in-lbs (new bearings), 6-8 in-lbs (used bearings). Pinion nut tightened until preload achieved — not a set ft-lb value. at the pinion stem nut. At the front driveshaft cv joint flange to transfer case output flange, the front driveshaft cv joint flange bolts (4wd) torques to 53 ft-lbs (15 mm drive, M10x1.5 thread). For the front axle housing, plan for a 10mm tool on a M8 x 1.25 stud; final torque is 18 lb-ft (front differential actuator bolt). Front wheel hub / axle nut (4wd) tightens to 177 ft-lbs (1999-2009); 188 ft-lbs (2010+), takes a 35 mm or 36 mm socket driver, runs on M28x1.5 or 1-5/16"-18 (large spindle nut) threads, located at the outer end of front half-shaft, axle nut at hub. The transmission-to-engine bolts (4l60e / 4l80e) uses a 15 mm (4L60E) / 18 mm (4L80E) drive on a M10x1.5 (4L60E) / M12x1.75 (4L80E) thread, torqued to 35 ft-lbs (4L60E); 44 ft-lbs (32 Nm — 4L80E) at the transmission bellhousing to engine block. At the differential housing, the differential fill plug torques to 24 lb-ft (3/8 inch drive, 3/8-18 NPT thread). For the rear differential cover perimeter bolts, plan for a 13 mm tool on a M8x1.25 stud; final torque is 26 ft-lbs (Gen2 GMT900 6.2L per OpenLabor Project); 30 ft-lbs (common FSM spec); general range 24-30 ft-lbs (rear differential cover bolts (gm 8.5/8.6 10-bolt axle)). Front cv axle shaft inboard flange bolts (4wd) tightens to 58 ft-lbs, takes a 15 mm driver, runs on M10x1.5 threads, located at the inner cv joint 6-bolt flange to front differential output.

Suspension — 2004 Chevrolet Silverado 1500

Suspension and chassis fastener torque for the 2004 Chevrolet Silverado 1500 — strut, control arm, and sway bar values. The torsion bar adjuster bolt (gen1 gmt800 only) uses a 18 mm drive on a 18 mm bolt thread, torqued to No specific torque spec — turn bolt to achieve desired ride height. Crossmember to frame bushing bolt: 70 ft-lbs. at the torsion bar adjustment bolt at crossmember. At the stabilizer bar insulator clamp brackets to frame, the sway bar bracket bolts (front) torques to 37 ft-lbs (15 mm drive, M10x1.5 thread). For the lower control arm front and rear pivot bolts to frame, plan for a 24 mm (nut); hold bolt tool on a M16x1.5 (front pivot); M16x1.5 (rear pivot) stud; final torque is 129 ft-lbs (Gen1 1999-2006, Gen2 2007-2013); 133 ft-lbs + 60 degrees (Gen2 2007-2013 torsion-bar trucks — coil-spring trucks may differ) (lower control arm pivot bolts (front, frame side)). Rear shock absorber lower bolt / nut tightens to 85 ft-lbs (upper and lower, 1500 series per Merchant Auto 2007+ FSM); 70 ft-lbs (rear axle side per some Gen2 sources), takes a 21 mm (bolt) + 21 mm (nut) driver, runs on M12x1.75 threads, located at the bottom of rear shock absorber, bolt through rear axle housing bracket. The lug nuts uses a 22mm (13/16") drive on a M14x1.5 thread, torqued to 140 ft-lbs (190 Nm) at the wheel studs, all four corners. At the top of rear shock absorber to frame bracket, the rear shock absorber upper bolt torques to 85 ft-lbs (21 mm drive, M12x1.75 thread). For the upper control arm to frame bracket, plan for a 24 mm (nut side); hold bolt head tool on a M16x1.5 or M18 stud; final torque is 140 ft-lbs (Gen2 GMT900 / Gen3 K2XX) (upper control arm pivot bolts (frame side)). Rear leaf spring u-bolt nuts (1500 series) tightens to 74 ft-lbs (Gen1 1999-2006 per multiple sources); 53 ft-lbs (Merchant Automotive 2007+ FSM, 1500 series), takes a 7/8 in or 22 mm driver, runs on 9/16-18 UNF (typical 1500 U-bolt) threads, located at the u-bolts clamping rear axle to leaf spring pack. The steering intermediate shaft pinch bolt uses a 15 mm drive on a M10x1.5 (pinch bolt) thread, torqued to 37 ft-lbs (upper coupling to column shaft, 2000-2006 per 1AAuto); 35 ft-lbs (lower coupling to rack/gear, 2000-2006); 30 ft-lbs (pre-2000 GMT800 per 1988-1999 repair video) at the intermediate steering shaft, upper and lower pinch bolts. At the tie rod end stud to steering knuckle, the outer tie rod end nut torques to 48 ft-lbs (Gen1 1999-2006); 44 ft-lbs (Gen2/Gen3 2007-2014) (22 mm drive, M14x1.5 castle nut (typical) thread). For the front hub/bearing assembly 3 bolts to steering knuckle, plan for a 21 mm tool on a M14x1.5 (14 mm bolt) stud; final torque is 133 ft-lbs (2007-2013 per Merchant Auto FSM); 75 ft-lbs (1999-2006 Gen1 per 1A Auto video; note: may be an earlier model value) (wheel bearing hub assembly bolts (to knuckle)). Upper ball joint nut tightens to 37 ft-lbs (all generations), takes a 18 mm driver, runs on M16x1.5 castle nut (typical) threads, located at the upper ball joint stud to steering knuckle. The lower ball joint nut uses a 24 mm drive on a M20x1.5 stud (typical lower ball joint stud) thread, torqued to 74 ft-lbs (Gen1 GMT800 1999-2006 — castle nut with cotter pin); 81 ft-lbs (Gen2 GMT900 2007-2013 — flange nut); 37 ft-lbs + 130 degrees (Gen2 GMT900 alternate spec / Gen3 K2XX 2014 with TTY captured-w at the lower ball joint stud to steering knuckle. At the top of strut mount / upper shock mount to frame, the front shock absorber upper mount nuts (gen2/gen3 coil-over type) torques to 37 ft-lbs (15 mm drive, M10x1.5 (studs on upper mount) thread). For the front stabilizer bar end links, nut at sway bar and at control arm, plan for a 15 mm or 13 mm (varies by design) tool on a M10x1.5 (typical end link nut) stud; final torque is 17 ft-lbs (Gen2 GMT900 2007-2013 per Merchant Auto); 89 in-lbs (Gen1 GMT800 1999-2007 per repair video referencing OEM spec) (sway bar end links (front)). Front shock absorber lower mount bolt (gen2/gen3) tightens to 37 ft-lbs (Shock Module to Lower Control Arm — Gen2/Gen3 per FSM), takes a 18 mm driver, runs on M12x1.75 threads, located at the bottom of strut/shock, bolt to lower control arm or knuckle.

Steering — 2004 Chevrolet Silverado 1500

Steering linkage fasteners on the 2004 Chevrolet Silverado 1500. At the engine block/bracket, the power steering pump mounting bolt torques to 37 lb-ft (15mm drive, M10 x 1.5 thread). For the frame rail, plan for a 21mm tool on a M14 x 2.0 stud; final torque is 110 lb-ft (steering gear box mounting bolt). Drag link end nut tightens to 44 lb-ft, takes a 21mm driver, runs on M14 x 1.5 threads, located at the pitman arm/knuckle. The power steering hose fitting uses a 19mm drive on a M16 x 1.5 thread, torqued to 20 lb-ft at the steering gear/pump. At the dash/firewall, the steering column bracket bolt torques to 18 lb-ft (13mm drive, M10 x 1.5 thread). For the frame rail, plan for a 18mm tool on a M12 x 1.75 stud; final torque is 60 lb-ft (idler arm bolt). Steering shaft pinch bolt tightens to 22 lb-ft, takes a 13mm driver, runs on M10 x 1.5 threads, located at the steering column. The pitman arm nut uses a 30mm drive on a M20 x 1.5 thread, torqued to 184 lb-ft at the steering gear output.

Body — 2004 Chevrolet Silverado 1500

Body fasteners on the 2004 Chevrolet Silverado 1500. For the pickup box/bed to frame mounting bolts, plan for a 18 mm tool on a M12x1.75 stud; final torque is Approximately 50-60 ft-lbs (range cited by GM service community; exact FSM spec varies by year — use FSM for your VIN) (bed / box mount bolts). Cab mount bolts tightens to 122 ft-lbs (165 Nm), takes a 24 mm driver, runs on M16x1.5 or 5/8"-11 threads, located at the cab-to-frame body mount bolts, rubber isolators (6 per side typically).

Electrical — 2004 Chevrolet Silverado 1500

Electrical fasteners on the 2004 Chevrolet Silverado 1500. Ground wire bolt tightens to 18 lb-ft, takes a 10mm driver, runs on M8 x 1.25 threads, located at the engine block/frame. The license plate screw uses a 7mm drive on a 1/4-20 thread, torqued to 2 lb-ft at the rear bumper. At the various locations, the wiring harness bracket bolt torques to 80 lb-in (8mm drive, M6 x 1.0 thread). For the engine block/bracket, plan for a 15mm tool on a M10 x 1.5 stud; final torque is 37 lb-ft (alternator mounting bolt). Battery hold-down bolt tightens to 18 lb-ft, takes a 13mm driver, runs on M8 x 1.25 threads, located at the battery tray. The battery terminal bolt uses a 10mm drive on a M8 x 1.25 thread, torqued to 11 lb-ft at the battery post.

Engine - Top End — 2004 Chevrolet Silverado 1500

Engine - Top End fasteners on the 2004 Chevrolet Silverado 1500. The camshaft position sensor bolt uses a 8mm drive on a M6 x 1.0 thread, torqued to 80 lb-in at the cylinder head/timing cover. At the cylinder head, the exhaust manifold stud torques to 15 lb-ft (13mm drive, M8 x 1.25 thread). For the valve cover, plan for a 10mm tool on a M8 x 1.25 stud; final torque is 106 lb-in (valve cover bolt). Exhaust manifold bolt tightens to 18 lb-ft, takes a 13mm driver, runs on M8 x 1.25 threads, located at the exhaust manifold. The cylinder head bolt uses a 15mm drive on a M11 x 2.0 thread, torqued to TTY: 22+90° at the cylinder head. At the intake manifold, the throttle body bolt torques to 89 lb-in (8mm drive, M6 x 1.0 thread). For the intake manifold, plan for a 8mm tool on a M6 x 1.0 stud; final torque is 70 lb-in (map sensor bolt). Spark plug tightens to 15 ft-lbs (20 Nm), takes a 16mm driver, runs on M14x1.25 threads, located at the cylinder head. The egr valve bolt uses a 10mm drive on a M8 x 1.25 thread, torqued to 15 lb-ft at the intake manifold. At the intake manifold, the fuel rail bolt torques to 89 lb-in (8mm drive, M6 x 1.0 thread). For the intake manifold, plan for a 10mm tool on a M8 x 1.25 stud; final torque is 89 lb-in (intake manifold bolt). Pcv valve grommet bolt tightens to 60 lb-in, takes a 8mm driver, runs on M6 x 1.0 threads, located at the valve cover. The ignition coil bolt uses a 8mm drive on a M6 x 1.0 thread, torqued to 70 lb-in at the valve cover. At the fuel rail, the fuel injector retainer bolt torques to 80 lb-in (8mm drive, M6 x 1.0 thread). For the throttle body/air box, plan for a 8mm tool on a M6 x 1.0 stud; final torque is 40 lb-in (air intake tube clamp).

Body & Cab — 2004 Chevrolet Silverado 1500

Body & Cab fasteners on the 2004 Chevrolet Silverado 1500. At the bed rail to tailgate, the tailgate hinge bolt torques to 20 lb-ft (13mm drive, M8 x 1.25 thread). For the frame horn, plan for a 13mm tool on a M10 x 1.5 stud; final torque is 18 lb-ft (radiator support bolt). Bumper mounting bolt - rear tightens to 30 lb-ft, takes a 18mm driver, runs on M12 x 1.75 threads, located at the frame rail. The hood hinge bolt uses a 13mm drive on a M10 x 1.5 thread, torqued to 18 lb-ft at the hood to fender. At the door jamb, the door striker bolt torques to 18 lb-ft (10mm drive, M8 x 1.25 thread). For the frame horn, plan for a 18mm tool on a M12 x 1.75 stud; final torque is 50 lb-ft (tow hook bolt). Bed rail tie-down tightens to 15 lb-ft, takes a 13mm driver, runs on M8 x 1.25 threads, located at the bed rail. The door hinge bolt uses a 13mm drive on a M10 x 1.5 thread, torqued to 20 lb-ft at the door to cab pillar. At the frame rail, the skid plate bolt torques to 18 lb-ft (13mm drive, M8 x 1.25 thread). For the cab to frame, plan for a 18mm tool on a M12 x 1.75 stud; final torque is 74 lb-ft (cab mount bolt). Fender mounting bolt tightens to 18 lb-ft, takes a 10mm driver, runs on M8 x 1.25 threads, located at the fender to cab. The bed mounting bolt uses a 13mm drive on a M10 x 1.5 thread, torqued to 44 lb-ft at the bed to frame. At the frame horn, the bumper mounting bolt - front torques to 30 lb-ft (18mm drive, M12 x 1.75 thread). For the radiator support, plan for a None tool on a Push Clip stud; final torque is Hand Tight (grille mounting clip). Running board mounting bolt tightens to 35 lb-ft, takes a 13mm driver, runs on M10 x 1.5 threads, located at the cab/frame.

Engine - Bottom End — 2004 Chevrolet Silverado 1500

Engine - Bottom End fasteners on the 2004 Chevrolet Silverado 1500. For the crankshaft, plan for a 24mm tool on a M16 x 2.0 stud; final torque is TTY: 37+140° (crankshaft pulley bolt). Flywheel bolt tightens to TTY: 15+60°, takes a 15mm driver, runs on M12 x 1.75 threads, located at the crankshaft. The thermostat housing bolt uses a 10mm drive on a M8 x 1.25 thread, torqued to 11 lb-ft at the intake manifold/block. At the engine block, the oil filter adapter bolt torques to 18 lb-ft (10mm drive, M8 x 1.25 thread). For the engine block to frame, plan for a 18mm tool on a M12 x 1.75 stud; final torque is 59 lb-ft (engine mount bolt - front). Knock sensor bolt tightens to 18 lb-ft, takes a 12mm driver, runs on M8 x 1.25 threads, located at the engine block. The engine mount bolt - rear uses a 18mm drive on a M12 x 1.75 thread, torqued to 37 lb-ft at the transmission to crossmember. At the timing cover, the water pump bolt torques to 11 lb-ft (10mm drive, M8 x 1.25 thread). For the oil pan, plan for a 10mm tool on a M8 x 1.25 stud; final torque is 18 lb-ft (oil pan bolt). Timing chain cover bolt tightens to 18 lb-ft, takes a 10mm driver, runs on M8 x 1.25 threads, located at the engine block.

Transmission — 2004 Chevrolet Silverado 1500

Transmission fasteners on the 2004 Chevrolet Silverado 1500. Transmission to engine bolt tightens to 37 lb-ft, takes a 18mm driver, runs on M12 x 1.75 threads, located at the bell housing. The park/neutral switch bolt uses a 8mm drive on a M6 x 1.0 thread, torqued to 80 lb-in at the transmission case. At the transmission case, the transmission cooler line fitting torques to 26 lb-ft (17mm drive, M14 x 1.5 thread). For the flexplate, plan for a 15mm tool on a M10 x 1.5 stud; final torque is 46 lb-ft (torque converter bolt). Starter motor bolt tightens to 37 lb-ft, takes a 15mm driver, runs on M10 x 1.5 threads, located at the bell housing. The transmission vent tube bolt uses a 8mm drive on a M6 x 1.0 thread, torqued to 60 lb-in at the transmission top. At the transmission shifter, the shift linkage bolt torques to 15 lb-ft (10mm drive, M8 x 1.25 thread). For the transmission pan, plan for a 10mm tool on a M8 x 1.25 stud; final torque is 10 lb-ft (transmission pan bolt). Transmission mount bolt tightens to 37 lb-ft, takes a 18mm driver, runs on M12 x 1.75 threads, located at the crossmember. The transmission crossmember bolt uses a 18mm drive on a M12 x 1.75 thread, torqued to 70 lb-ft at the frame rail.

Rear Suspension — 2004 Chevrolet Silverado 1500

Rear Suspension fasteners on the 2004 Chevrolet Silverado 1500. The rear shock absorber lower bolt uses a 18mm drive on a M12 x 1.75 thread, torqued to 70 lb-ft at the axle bracket. At the frame rail, the track bar frame bolt torques to 110 lb-ft (21mm drive, M14 x 2.0 thread). For the front spring hanger, plan for a 21mm tool on a M14 x 2.0 stud; final torque is 95 lb-ft (leaf spring front eye bolt). Rear stabilizer bar link bolt tightens to 44 lb-ft, takes a 15mm driver, runs on M10 x 1.5 threads, located at the axle to sway bar. The track bar axle bolt uses a 21mm drive on a M14 x 2.0 thread, torqued to 110 lb-ft at the rear axle. At the rear spring shackle, the leaf spring rear shackle bolt torques to 70 lb-ft (21mm drive, M14 x 2.0 thread). For the axle to spring, plan for a 5/8 inch tool on a 7/16-20 stud; final torque is 52 lb-ft (leaf spring u-bolt). Rear axle vent tube bolt tightens to 60 lb-in, takes a 8mm driver, runs on M6 x 1.0 threads, located at the axle housing. The rear stabilizer bar bracket bolt uses a 15mm drive on a M10 x 1.5 thread, torqued to 37 lb-ft at the frame rail.

Wheels & Brakes — 2004 Chevrolet Silverado 1500

Wheels & Brakes fasteners on the 2004 Chevrolet Silverado 1500. At the front/rear caliper bracket, the brake caliper bracket bolt torques to 129 ft-lbs (175 Nm) (18mm drive, M14x2.0 thread). OEM-verified spec. For the wheels, plan for a 22mm (13/16") tool on a M14x1.5 stud; final torque is 140 ft-lbs (190 Nm) (wheel lug nut). Brake line banjo bolt tightens to 30 lb-ft, takes a 12mm driver, runs on M10 x 1.0 threads, located at the brake caliper. The abs sensor bolt uses a 8mm drive on a M6 x 1.0 thread, torqued to 80 lb-in at the wheel hub/knuckle. At the front/rear brake caliper, the brake caliper mounting bolt torques to 129 ft-lbs (175 Nm) (18mm drive, M12x1.75 thread). Confirmed against manufacturer service literature. For the firewall/booster, plan for a 13mm tool on a M10 x 1.5 stud; final torque is 20 lb-ft (brake master cylinder mounting nut). Wheel speed sensor harness clip tightens to 60 lb-in, takes a 8mm driver, runs on M6 x 1.0 threads, located at the wheel hub area. The parking brake cable bolt uses a 13mm drive on a M8 x 1.25 thread, torqued to 18 lb-ft at the rear caliper/drum. At the brake rotor, the brake rotor set screw torques to 35 lb-in (10mm drive, M8 x 1.25 thread). For the frame/suspension, plan for a 10mm tool on a M8 x 1.25 stud; final torque is 15 lb-ft (brake hose bracket bolt).

Exhaust System — 2004 Chevrolet Silverado 1500

Exhaust System fasteners on the 2004 Chevrolet Silverado 1500. For the exhaust pipe, plan for a 22mm tool on a M18 x 1.5 stud; final torque is 31 lb-ft (oxygen sensor). Exhaust hanger bolt tightens to 18 lb-ft, takes a 13mm driver, runs on M8 x 1.25 threads, located at the frame/body mount. The muffler clamp bolt uses a 13mm drive on a M8 x 1.25 thread, torqued to 25 lb-ft at the muffler connection. At the exhaust pipe flange, the catalytic converter bolt torques to 37 lb-ft (15mm drive, M10 x 1.5 thread). For the tailpipe connection, plan for a 13mm tool on a M8 x 1.25 stud; final torque is 25 lb-ft (tailpipe clamp bolt). Exhaust pipe flange bolt tightens to 25 lb-ft, takes a 15mm driver, runs on M10 x 1.5 threads, located at the exhaust manifold.

Interior — 2004 Chevrolet Silverado 1500

Interior fasteners on the 2004 Chevrolet Silverado 1500. Glove box hinge screw tightens to Hand Tight, takes a 8mm driver, runs on M6 x 1.0 threads, located at the dashboard. The center console bolt uses a 8mm drive on a M6 x 1.0 thread, torqued to 80 lb-in at the floor/tunnel. At the headliner, the sun visor screw torques to Hand Tight (8mm drive, M6 x 1.0 thread). For the b-pillar/floor, plan for a 18mm tool on a M12 x 1.75 stud; final torque is 37 lb-ft (seat belt anchor bolt). Floor mat clip tightens to Hand Tight, takes a None driver, runs on Push Clip threads, located at the floor pan. The steering wheel nut uses a 24mm drive on a M14x1.5 thread, torqued to 140 ft-lbs (190 Nm) at the steering column. At the dash to firewall, the dashboard mounting bolt torques to 18 lb-ft (10mm drive, M8 x 1.25 thread). For the seat track to floor, plan for a 13mm tool on a M10 x 1.5 stud; final torque is 37 lb-ft (seat mounting bolt).

Front Suspension — 2004 Chevrolet Silverado 1500

Front Suspension fasteners on the 2004 Chevrolet Silverado 1500. The hub bearing retaining bolt uses a 18mm drive on a M12 x 1.75 thread, torqued to 177 lb-ft at the steering knuckle. At the sway bar to control arm, the stabilizer bar link nut torques to 17 lb-ft (18mm drive, M10 x 1.5 thread). For the wheel hub, plan for a 18mm tool on a M12 x 1.75 stud; final torque is 133 lb-ft (steering knuckle to hub bolt). Upper control arm ball joint nut tightens to 37 lb-ft, takes a 21mm driver, runs on M14 x 1.5 threads, located at the steering knuckle. The lower control arm frame bolt uses a 21mm drive on a M14 x 2.0 thread, torqued to 107 lb-ft at the frame bracket. At the upper shock mount, the shock absorber upper nut torques to 18 lb-ft (13mm drive, M10 x 1.5 thread). For the frame rail, plan for a 13mm tool on a M10 x 1.5 stud; final torque is 37 lb-ft (stabilizer bar bracket bolt). Upper control arm frame bolt tightens to 140 lb-ft, takes a 21mm driver, runs on M14 x 2.0 threads, located at the frame bracket. The tie rod end nut uses a 21mm drive on a M14 x 1.5 thread, torqued to 44 lb-ft at the steering knuckle. At the lower control arm, the shock absorber lower bolt torques to 59 lb-ft (18mm drive, M14 x 1.5 thread). For the steering knuckle, plan for a 27mm tool on a M18 x 1.5 stud; final torque is 111 lb-ft (lower control arm ball joint nut). Torsion bar adjuster bolt tightens to Variable, takes a 18mm driver, runs on M12 x 1.75 threads, located at the torsion bar crossmember.

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 2004 Chevrolet Silverado 1500 numbers above.

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