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    Brake Pad & Rotor Specs

    2014 GMC Sierra 2500HD Brake Pad & Rotor Specs

    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

    SpecificationValue
    Front Pad PN (OEM)Verify with dealer
    Front Pad PN (Akebono)ACT1648
    Front Pad PN (Bosch)BC1648
    Front Pad PN (Wagner)QC1648
    Front Pad PN (Power Stop)Z23-1648 (Z23 Evolution Sport) / Z36-1648 (Z36 Truck & Tow)
    Rear Pad PN (OEM)Verify with dealer
    Rear Pad PN (Akebono)ACT1649
    Rear Pad PN (Bosch)BC1649
    Rear Pad PN (Wagner)QC1649
    Rear Pad PN (Power Stop)Z23-1649 (Z23 Evolution Sport) / Z36-1649 (Z36 Truck & Tow)
    Front Rotor Diameter321mm (12.64 inches)
    Front Rotor New Thickness36mm (1.42 inches)
    Front Rotor Minimum Thickness34.5mm (1.36 inches)
    Rear Rotor Diameter325mm (12.80 inches)
    Rear Rotor New Thickness30mm (1.18 inches)
    Rear Rotor Minimum Thickness28.5mm (1.12 inches)
    Caliper Piston Count (Front)2
    Caliper Piston Count (Rear)1
    Caliper Bracket Torque (Front)260 lb-ft (350 Nm)
    Caliper Bracket Torque (Rear)185 lb-ft (250 Nm)
    Caliper Slide-Pin Torque23-26 lb-ft (31-35 Nm) - Always verify with service manual
    Brake Fluid SpecDOT 3 or DOT 4

    How to choose pads

    Choosing the right brake pads for your 2014 GMC Sierra 2500HD depends heavily on your driving habits and needs. Here's a breakdown of the common types:

    • Ceramic Pads: These are known for being quiet, producing very little dust, and offering smooth, consistent braking. They are an excellent choice for daily driving and light-duty towing, providing a comfortable pedal feel and good longevity. However, they may not offer the aggressive bite needed for frequent heavy towing or extreme duty.

    • Semi-Metallic Pads: Often the factory standard, semi-metallic pads are a blend of metallic fibers and other materials. They offer a strong braking performance, especially in demanding conditions, and are generally more heat-resistant than ceramic pads. This makes them a good option for owners who occasionally tow or haul moderate loads. The trade-off is that they can be noisier and produce more brake dust than ceramic pads.

    • Heavy-Duty/Truck & Tow Pads: These pads, like the Power Stop Z36 series, are specifically designed for demanding applications such as heavy towing, hauling, and off-road use. They feature more aggressive friction compounds that provide superior stopping power and fade resistance under extreme heat. If your 2500HD frequently works hard, investing in heavy-duty pads is a wise decision for safety and performance. Expect potentially more noise and dust compared to ceramic or standard semi-metallic options.

    Typical service life

    The service life of your 2014 GMC Sierra 2500HD's brake pads and rotors can vary significantly based on driving conditions, habits, and the type of pads installed. Generally, you can expect the following:

    • Brake Pads: Front pads, which do most of the braking work, typically last between 30,000 to 70,000 miles. Rear pads usually last longer, often 50,000 to 90,000 miles. Aggressive driving, frequent heavy towing, and stop-and-go city driving will accelerate wear, while highway driving will extend pad life.

    • Brake Rotors: Rotors tend to last longer than pads, often needing replacement every two pad changes or roughly 60,000 to 100,000 miles. However, it's crucial to measure rotor thickness at every brake service. If a rotor is below its minimum thickness or shows signs of severe grooving, cracking, or warping, it should be replaced regardless of mileage. Many technicians recommend replacing rotors with pads for optimal performance and to prevent premature wear on new pads.

    It's a good practice to have your brakes inspected every 15,000 to 20,000 miles, or at least annually, to catch wear early and ensure safety. A

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    More specs for the 2014 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.

    Torque Specifications

    Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.

    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

    Maintenance & repair guides

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