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Technical & Advanced

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  1. Ask A GM Technician

    Stumped? Post your question here for GM Master Techs. Serious inquiries only. Please include your VIN and codes. 

    29.8k
    posts

  2. Towing, Hauling & Hitches

    Payloads, 5th wheels, and weight distribution. Ensure your truck is rigged right to pull the load.
    8.4k
    posts

  3. Audio, Electronics & Software

    The digital dashboard. Discussion on Google Built-In, Apple CarPlay, Android Auto, OnStar, and aftermarket sound systems.

    12.3k
    posts

  4. Tires, Wheels & TPMS

    Fitment guides and rubber reviews. KO2 vs. Wildpeak? Chrome vs. Black? Discuss universal tire and wheel topics here.

    16.1k
    posts

  5. Maintenance, Oils/Fluids, Detailing & Rust Prevention

    From the engine bay to the paint booth. Discuss oil analysis, fluid intervals, ceramic coatings, car wash techniques, and fighting rust. Keep your truck running strong and looking showroom fresh.

    20.3k
    posts

  6. Advanced Drivetrain, Suspension & Tuning

    Deep dives into mechanical theory. Gear swaps, transmission rebuilding, solid axle swaps (SAS), and HP Tuners / ECU calibration.

    16.2k
    posts

  7. DIY Guides & Reference Library

    Installations, Maintenance, and Repairs.

    2k
    posts

  8. Article & Review Archive (Pre-2019)

    A legacy collection of GM-Trucks.com original news, road tests, and product reviews published prior to 2019.

    14.6k
    posts
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