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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.

  • 4,000 topics
  • 30,505 replies
04 gmc 2500hd short bed len... - last post by 04sierra2500hd

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.

  • 4,695 topics
  • 34,344 replies
Fabtech 4" lift on budget - last post by castin

Wheels, Tires, & TPMS

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

  • 2,779 topics
  • 20,945 replies
Duratrac LT vs non LT - last post by 02suburbanZ71

Audio, Electronics, OnStar, & SiriusXM

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

  • 5,283 topics
  • 27,631 replies
Carshow GM 1210 installation - last post by dickpam

How-To

Installations, Maintenance, and Repairs.

  • 915 topics
  • 4,639 replies
GMT900 - Steering Wheel Rad... - last post by Zebrafive