2025 GMC Sierra 2500HD Torque Specifications
AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.
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Quick Reference
| Fastener | Torque (ft-lb / Nm) | Notes |
|---|---|---|
| Wheel Lug Nuts | 140 / 190 | Retorque after 50-100 miles |
| Oil Drain Plug | 18 / 25 | Always use a new gasket |
| Transmission Drain Plug | 15-20 / 20-27 | |
| Brake Caliper Bracket Bolts | 120-150 / 163-203 | Use thread-locker |
| Brake Caliper Slide Pins | 25-30 / 34-41 | Lubricate pins |
| Axle Nut | 175-200 / 237-271 | |
| Spark Plugs | 11-15 / 15-20 | For gas engines |
| Valve Cover Bolts | 8-10 / 11-14 | Tighten in sequence |
| Intake Manifold Bolts | 18-22 / 24-30 | Tighten in sequence |
Wheel Lug Torque Pattern
Always tighten lug nuts in a star or cross pattern to ensure even clamping force. This prevents warping of the brake rotors and ensures the wheel is properly seated.
Brake Torque Notes
Brake caliper bracket bolts are critical fasteners. Always use a new set of bolts with pre-applied thread-locker or apply new thread-locker to the old bolts after thoroughly cleaning them. Ensure slide pins are clean and lubricated with high-temperature brake grease to allow for proper caliper movement.
Why Torque Matters
Proper torque is critical for both safety and performance. Over-tightening fasteners can cause them to stretch and fail, while under-tightening can allow them to loosen over time. Both scenarios can lead to catastrophic failure. Using a calibrated torque wrench is the only way to ensure fasteners are tightened to the manufacturer's specifications.
Disclaimer: The torque specifications provided are for reference only. Always consult the OEM service manual for the most accurate and up-to-date information, especially for critical fasteners.
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More specs for the 2025 GMC Sierra 2500HD
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Bulb Sizes (Headlight, Tail, Fog)
Headlight, fog, tail, turn, reverse, interior.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
2014 Sierra 2500HD
2015 Sierra 2500HD
2016 Sierra 2500HD
2017 Sierra 2500HD
2018 Sierra 2500HD
2019 Sierra 2500HD
Maintenance & repair guides
2025 GMC Sierra 2500HD Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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