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Technical & Advanced


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Vehicle Appearance, Care, & Maintenance

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

  • 3,916 topics
  • 29,984 replies
Spark plugs and wires - last post by txab

Ask the GM Technician

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

  • 12,605 topics
  • 50,977 replies
How does the dealership flu... - last post by daxr

Performance Engine Tuning

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

  • 1,186 topics
  • 10,459 replies
Black Bear tune vs. Hypertech - last post by tksmith2

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.

  • 4,621 topics
  • 33,963 replies
2010 silverado 6-speed main... - last post by whitechevyrider

Wheels, Tires, & TPMS

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

  • 2,687 topics
  • 20,320 replies
Alignment - last post by LeoS41280

Audio, Electronics, OnStar, & SiriusXM

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

  • 5,222 topics
  • 27,390 replies
SubThump - last post by Jasonsupafly

How-To

Installations, Maintenance, and Repairs.

  • 897 topics
  • 4,494 replies
Right Rear Stop/Turn signal... - last post by bennyb