Technical & Advanced

Forums

1. Vehicle Appearance, Care, & Maintenance

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

   18.6k

   posts

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   • Post your latest oil change.
   • By OnTheReel, May 13
2. Ask the GM Technician

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

   29k

   posts

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   • 2023 Chevy 2500 Trailer Lights not working
   • By 2023GMCSierra, June 1
3. Performance Engine Tuning

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

   3.9k

   posts

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   • Black Bear tune vs. Hypertech
   • By swathdiver, April 25
4. 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.

   12.2k

   posts

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   • 2004 Chevy Silverado 1500 5.3L 4x4
   • By asilverblazer, Tuesday at 03:52 PM
5. Wheels, Tires, & TPMS

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

   16.1k

   posts

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   • 36inch tires on stock AT4 suspension (Pictures)
   • By Snowcamo, May 26
6. Audio, Electronics, OnStar, MyLink, Intellilink & SiriusXM

   Infotainment, Mylink, Intellilink, SiriusXM, Bluetooth, Navigation Systems, OnStar, RemoteLink, smartphone connectivity, & aftermarket audio. Also includes Android Auto and Apple CarPlay.

   12.3k

   posts

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   • Screen mirror aftermarket Pioneer radio head TO larger tablet
   • By Francis Alvare, Friday at 04:58 PM
7. How-To

   Installations, Maintenance, and Repairs.

   2k

   posts

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   • Wire a Campershell 3rd brake light
   • By dsr611, May 16