Offroad Trailblazers and Envoys

Where have you driven your Trailblazer?

offroadTB.com has the information you need to modify your GMT360/70
for exploration and discovery of the unpaved areas in the world.

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News

View the latest news posts and updates from ORTB.

Lifts / Suspension

Vehicle suspension maintenance information and lifting articles.

Wheels / Tires

Relating to everything wheels and tires.

Differentials / Axles

Look in here for information about drivelines and gearing.

Fabrication

Components built by members, and tips for your own fabrication.

Electrical / Communication

Batteries, wires, antennas, and buttons.

Recovery

Stuck? We've got info to help you get out safely.

Utilities & Resources

Calculators, technical documents, and general resources.

Camping

Want to spend some time outside? You'll find info about that right here.

Troubleshooting

This section helps you find and resolve common problems.

Latest Forum Posts

RockAuto • Dash Designs Seat & Dash Covers at RockAuto.com!

Let's be real, it is hard to keep your vehicle's interior looking great. Food, coffee, pets, kids and even the sun's rays can all take [Go To Post]

Lifts / Suspension • Re: Overheating problem

cpyonker wrote:How does the temperature affect mpg? Just wondering.Higher engine temps doesn't generally hurt gas mileage. It generally helps, su [Go To Post]

Lifts / Suspension • Re: Overheating problem

Overheating sometimes starts in the transmission too. My system will run ok until the transmission starts to overheat, then the whole system starts to [Go To Post]