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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.

  • 3,930 topics
  • 30,065 replies
Extang Solid Fold Cover Leaks - last post by j5wilson

Ask the GM Technician

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

  • 12,633 topics
  • 51,106 replies
Auto Ride Problem - last post by govtech4

Performance Engine Tuning

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

  • 1,186 topics
  • 10,472 replies
Hypertech Max Energy - last post by 14LTZZ71

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.

  • 4,643 topics
  • 34,073 replies
Vette servo options? - last post by rxnotec

Wheels, Tires, & TPMS

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

  • 2,699 topics
  • 20,371 replies
Any pics of 17x9 -6mm Offse... - last post by Justinlw

Audio, Electronics, OnStar, & SiriusXM

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

  • 5,228 topics
  • 27,405 replies
ROSEN Carshow GM-1210 Acadi... - last post by asonitez


Installations, Maintenance, and Repairs.

  • 898 topics
  • 4,506 replies
GMT 800- Evap canister repl... - last post by Daryl Z71