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

General topics about GM's next-generation, 2015+ full-size heavy-duty trucks.
2015 / 2016 Chevrolet Silverado & GMC Sierra 2500/3500 HD

Subforums

2015 / 2016 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)

  • 109 topics
  • 855 replies
2015 Duramax 2500hd High Co... - last post by Colossus

2015 / 2016 Silverado HD & Sierra HD Accessories & Modifications

Modifying and accessorizing your 2015 Silverado HD or Sierra HD

  • 192 topics
  • 1,376 replies
WOW Super 50 Flowmaster - last post by MW2500HD

Duramax 6.6L Turbo-Diesel, Vortec 6.0L, Drivetrain, & Exhuast

Technical discussion for the 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.

  • 38 topics
  • 465 replies
Any word on new duramax rel... - last post by dcrouse


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