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Technical & Advanced


Vehicle Appearance, Care, & Maintenance

Help for the do-it-yourself vehicle owner. Suggestions on how to make your truck look better & last longer.

  • 3,998 topics
  • 30,502 replies
Bakflip vp for sale (162121) - last post by Emjay33

Ask the GM Technician

Have a hard question?
Only Questions That You Would Go To The Dealer For, Please!

  • 12,830 topics
  • 52,270 replies
Running rough and cel and c... - last post by govtech4

Performance Engine Tuning

A forum dedicated to intensive and experienced engine and computer modification topics

  • 1,200 topics
  • 10,536 replies
Best tuner to turn off AFM? - last post by BigBlueLB756

Transmission, Suspension, Transfer Case, & Axles

For all transmission and drive-line related topics. Included but not limited to 2WD, 4WD, AWD, transfer cases, & lift/lowering kits.

  • 4,694 topics
  • 34,343 replies
Feels like transmission is... - last post by SouthernSilveradoGuy85

Wheels, Tires, & TPMS

Anything related to rims, tires, tire pressure monitor sensors, fixing a flat, and general tire maintenance here.

  • 2,779 topics
  • 20,940 replies
2014 Silverado - TPMS and K... - last post by Luster

Audio, Electronics, OnStar, & SiriusXM

SiriusXM, Bluetooth, Navigation Systems, OnStar, RemoteLink, smartphone connectivity, & aftermarket audio.

  • 5,281 topics
  • 27,624 replies
2011 Silverado Factory Came... - last post by boomz55


Installations, Maintenance, and Repairs.

  • 915 topics
  • 4,632 replies
Heated Steering Wheel Insta... - last post by 09SierraZ71