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2015 / 2016 / 2017 / 2018 Chevrolet Silverado & GMC Sierra 2500/3500 HD

General topics about GM's next-generation, 2015+ full-size heavy-duty trucks.
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Subforums

  1. 2015 / 2016 / 2017 / 2018 Silverado HD & Sierra HD Issues, Troubleshooting, & Recalls/Service Bulletins

    A central location to report any issues or asking for help troubleshooting any problems with your 2015+ Chevrolet Silverado HD or GMC Sierra HD. Also recall announcements and Technical Service Bulletins (TSB)

    2,721
    posts
  2. 2015 / 2016 / 2017 / 2018 Silverado HD & Sierra HD Accessories & Modifications

    Modifying and accessorizing your 2015-2017 Silverado HD or Sierra HD

    6,086
    posts
  3. Duramax 6.6L Turbo-Diesel (LML), Vortec 6.0L (L96/LC8), Drivetrain, & Exhuast

    Technical discussion for the 2015-2016 Duramax 6.6L Turbo-Diesel V-8 (LML) and Vortec 6.0L V-8 (L96 / LC8) in 2015+ Silverado HD and Sierra HD applications. Also includes, drivetrain, transmission, axles, differentials, and exhaust systems.

    1,293
    posts
  4. 2017 / 2018 Duramax 6.6L V8 Turbo-Diesel (L5P) Technical Discussion

    Questions, modifications, tuning, and normal operation of the 2017+ L5P Duramax Diesel Engine found in the Chevrolet Silverado HD and GMC Sierra HD

    341
    posts

1,025 topics in this forum

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  1. L5P Duramax fuel economy

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  2. Tires

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  3. 6.0 block heater

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