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Latest Industry News

News and information from the auto industry, including vehicle specific bulletins.

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Site News

Keep yourself informed about the happenings at GMTNation.com

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Site Support

Having trouble with our site? Let us know, get some assistance.

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Comments or Suggestions?

Share your comments and suggestions with the Community Staff.

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Article Submissions

Would you like to submit an write-up for our Articles section? Compose it here and let us know when it is ready and we'll take it from there.

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Toggle Community Links Community Links

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OffRoadTB

Our sister site; the only off-road oriented Trailblazer and Envoy enthusiast community.

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eLightbars

A community dedicated to (vehicle) emergency equipment and personnel from public service to first responders.

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Toggle TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada

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FAQ

Frequently asked questions about the Chevy TrailBlazer, GMC Envoy, Buick Rainier, Oldsmobile Bravada, Isuzu Ascender, Saab 9-7x, & TrailBlazer SS.

  • 1 topics
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Technical Discussion

Don't see a category below in which to post your technical question? Post it here.

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Engine & Drivetrain


  1. Vortec 4.2L I-6,
  2. Drivetrain,
  3. Vortec 5.3L V8,
  4. LS2 6.0L V8

Repairs, tuning, modifications, & maintenance.

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Brakes & Suspension


  1. Lowered,
  2. Lifted,
  3. OEM,
  4. Brakes

Technical discussion about brake and suspension components.

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Wheels & Tires

Discussion about wheels and tires.

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Off-Road

Off-road technical discussion

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Towing

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Appearance

Interior/Exterior repairs and/or modifications.

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Toggle Tahoe, Suburban, Yukon, Avalanche, Silverado, Sierra, H2, & Escalade Tahoe, Suburban, Yukon, Avalanche, Silverado, Sierra, H2, & Escalade

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Technical Discussion

Don't see a category below in which to post your technical question? Post it here.

  • 119 topics
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Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

  • 92 topics
  • 775 replies

Brakes & Suspension

Technical discussion about brake and suspension components.

  • 22 topics
  • 95 replies

Wheels & Tires

Discussion about wheels and tires.

  • 7 topics
  • 78 replies

Off-Road

Off-road technical discussion

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Appearance

Interior/Exterior repairs and/or modifications.

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Toggle Traverse, Acadia, Outlook, & Enclave Traverse, Acadia, Outlook, & Enclave

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Technical Discussion

Don't see a category below in which to post your technical question? Post it here.

  • 5 topics
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Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

  • 2 topics
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Brakes & Suspension

Technical discussion about brake and suspension components.

  • 0 topics
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Wheels & Tires

Discussion about wheels and tires.

  • 0 topics
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Appearance

Interior/Exterior repairs and/or modifications.

  • 4 topics
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Toggle Canyon, Colorado, & 2013+ TrailBlazer Canyon, Colorado, & 2013+ TrailBlazer

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Technical Discussion

Don't see a category below in which to post your technical question? Post it here.

  • 23 topics
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Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

  • 19 topics
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Brakes & Suspension

Technical discussion about brake and suspension components.

  • 5 topics
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Wheels & Tires

Discussion about wheels and tires.

  • 2 topics
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Appearance

Interior/Exterior repairs and/or modifications.

  • 10 topics
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Toggle On-Board Diagnostics and Controls On-Board Diagnostics and Controls

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Tech 2

This is for Tech 2 discussions and to learn to better use the tools

  • 7 topics
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HP Tuners

This is to share your experiences of the use of the HP Tuners tools

  • 0 topics
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EFILive

Share your experiences with your EFILive tools.

  • 0 topics
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Other Tuners

Bully Dog, Superchips, JET Performance, Smarty Tuners, and DiabloSport to name a few.

  • 1 topics
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Scan Tools

OTC, Innova, ScanGauge, Bluetooth and WiFi readers included. This will also cover Apps such as Torque, DashCommand and PC based Diagnostics software. Share your experience with the tools. No code diagnostics to be done.

  • 15 topics
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Toggle Entertainment and Electronics Entertainment and Electronics

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Audio & Video Components

Radios, navigation, DVD players.

  • 447 topics
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Security Components

Alarms, remote starters, keyless entry.

  • 47 topics
  • 311 replies

On-Star Discussion

Technical and general discussion about GM's On-Star components.

  • 7 topics
  • 90 replies

Emergency Equipment

Are you a first responder, volunteer or paid? Discuss your equipment here.

  • 20 topics
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Toggle Pictures & Videos Pictures & Videos

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Pictures

Show us your ride. Interior and exterior photos are welcome here.

  • 270 topics
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Videos

Got a video of your ride on the track? Did you do a 360* tour of your vehicle? Post your videos here.

  • 45 topics
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The Graveyard

Got some pics or videos of a wrecked or totaled truck? Post them here.

  • 40 topics
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Off-Topic Pictures and Videos

Want to post pictures that are not of your ride? This is the place! Remember to keep it family friendly.

  • 172 topics
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Toggle Community Marketplace Community Marketplace

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Classifieds (Phasing Out)

The threaded classifieds forum will be shutdown soon. As of now, no new items can be posted. Please use the Enthusify system.

  • 348 topics
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Recent Classifieds Listings

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For Sale: Vehicles

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For Sale: Audio, Video, & Electronics

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For Sale: Engine & Drivetrain Parts/Components

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For Sale: Appearance & Body

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For Sale: Wheels & Suspension

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  • 197 replies

For Sale: Other (On-Topic)

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Wanted

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Vendors

Are you a vendor of vehicle specific parts and accessories? Tell us about your products here.

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Retailers

Are you a large scale retailer of aftermarket parts and/or accessories? Tell us about your business here.

  • 4 topics
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Discounts and Deals

Do you know of a discount coupon or promo code? Did you stumble across a great deal? Tell everyone about it here.

  • 59 topics
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Toggle Performance, Builds & Detailing Performance, Builds & Detailing

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High Performance

Significantly higher performance over stock... not for aftermarket air filters and mufflers. Discuss blowers, super-chargers, turbo, nitrous, replacement performance engines...

  • 5 topics
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Performance

Stock performance, or slightly above. Discuss GM's performance models and related upgrades.

  • 3 topics
  • 58 replies

Member Builds

Are you building, or modding, your ride? Tell us about it... share your progress.

  • 91 topics
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Detailing

Post cleaning, detailing, and touch-up related topics here.

  • 24 topics
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SUV & Truck Chat

Non-technical discussion between owners and enthusiasts.

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Toggle Community Events Community Events

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Carlisle Truck Nationals

August 7 - 9, 2015... We'll see you there!

  • 8 topics
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Northeast

CT, MA, ME, NH, RI, VT

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Mid-Atlantic

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Southeast

AL, FL, GA, NC, SC, TN, KY

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South

AR, LA, MS, NM, OK, TX, CO

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Northwest

AK, ID, MT, OR, WA, WY

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West

AZ, CA, HI, NV, UT

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Eastern Canada

Eastern half of Canada

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Western Canada

Western half of Canada

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International

Events outside of the US and Canada.

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Toggle Community Lounge Community Lounge

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Member Introductions

Are you new to the community? Tell us a little about yourself.

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Off-Topic Discussion

As long as it isn't related to the topic of this community, talk about it here. Please use good judgement.

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Hobby Corner

Discuss your hobbies and interests.

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Games

This is where all of the off-topic games shall be posted. Please continue to enjoy them.

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