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    Tire Size & Pressure

    2023 Chevrolet Silverado 2500HD Tire Size & Pressure

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    Quick answer

    • OEM Tire Size: LT245/75R17, LT265/70R17, LT275/70R18, LT275/65R20
    • Recommended Cold Tire Pressure (Front/Rear): Varies by trim and specific tire, refer to door placard (typically 50-80 PSI)
    • Bolt Pattern: 8x180mm
    • Wheel Size: 17x8.0", 18x8.0", 20x8.5"
    • Load Index/Speed Rating: Varies by tire size and type (e.g., Load Range E, Speed Rating S or T)
    • Spare Tire Size: Matches one of the OEM tire sizes
    • TPMS Frequency: 315 MHz

    Tire sizes by trim

    Trim LevelOEM Tire SizeWheel Size
    WTLT245/75R1717x8.0"
    LT265/70R1717x8.0"
    LTLT245/75R1717x8.0"
    LT265/70R1717x8.0"
    LT275/70R1818x8.0"
    CustomLT265/70R1717x8.0"
    LT275/70R1818x8.0"
    LTZLT275/70R1818x8.0"
    LT275/65R2020x8.5"
    High CountryLT275/70R1818x8.0"
    LT275/65R2020x8.5"

    Note: Wheel offset typically ranges from +44mm to +48mm, depending on the specific wheel style.

    Recommended replacement tires

    When it comes to replacing tires on your 2023 Chevrolet Silverado 2500HD, it's crucial to select tires designed for heavy-duty truck applications. These tires need to handle significant loads, provide excellent towing stability, and offer reliable traction in various conditions. Here are a few popular and highly-regarded options:

    • Michelin LTX A/T2 (Premium Tier): A favorite among truck owners, the LTX A/T2 offers a fantastic balance of all-terrain capability, long tread life, and a comfortable, quiet ride. Its robust construction is ideal for the demands of a heavy-duty truck, providing excellent stability when towing or hauling. Expect superior wet and dry traction.
    • BFGoodrich All-Terrain T/A KO2 (Mid-Premium Tier): For Silverado 2500HD owners who venture off-road or frequently encounter challenging conditions, the KO2 is an excellent choice. This tire is legendary for its durability, aggressive all-terrain traction, and resistance to chips and tears. While slightly more aggressive than the Michelin, it still offers commendable on-road manners.
    • Goodyear Wrangler Duratrac (Mid-Tier): The Duratrac is another strong contender for those needing a versatile tire. It provides impressive traction in mud and snow, thanks to its aggressive tread pattern, while still offering a relatively quiet and stable ride on the highway. It's a great option for trucks used for work and weekend adventures.
    • Toyo Open Country A/T III (Mid-Tier): Toyo has built a reputation for durable and long-lasting truck tires. The Open Country A/T III is an excellent all-terrain option that delivers strong performance in wet and dry conditions, along with good off-road grip. It's designed for stability under heavy loads and offers a comfortable ride.
    • Firestone Transforce AT2 (Value Tier): For a more budget-friendly option that still delivers robust heavy-duty performance, the Firestone Transforce AT2 is a solid choice. It

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    More specs for the 2023 Chevrolet Silverado 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.

    Brake Pad & Rotor Specs

    Pad PNs, rotor size, min thickness, caliper torque.

    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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