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Technical Stuff

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This forum is intended for owners of the trucks, or mechanics who work on them. Ask questions about the various vehicle systems, report any issues you might be having and seek out solutions.


  1. Engine

    Discussion about the two engines offered in the Colorado ZR2 - the 3.6L V6, and the 2.8L Turbo Diesel.

  2. Electrical

    Discussion centered around the factory electrical systems on the new Colorado ZR2.

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  3. Drivetrain

    Discussion involving the factory drivetrain on the new Colorado ZR2.

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  4. Steering

    Discussion centered around the steering system that's beefed up especially for the new Colorado ZR2's.

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  5. Suspension

    Discussion centered around the high-performance suspension that makes the Colorado ZR2 so special, including the Multimatic Spool-Valve shocks that set the ZR2 apart from the competition.

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  6. Exhaust

    Discussion centered around the exhaust on the new Colorado ZR2's, including DPF and DEF on the Diesel models.

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  7. Wheels

    Discussion centered around the wheels on the new Colorado ZR2's. Whether you're just curious about the factory wheels or wanting to swap on a new aftermarket set, this is the place to be.

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  8. Tires

    Discussion centered around tires for the new Colorado ZR2. Whether it's questions about the factory Goodyear Wrangler Duratracs, or a new set of rubber you're looking throw on.

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  9. Audio

    Discussion centered around the audio and media systems in the new Colorado ZR2. Questions about the factory infotainment systems, or aftermarket upgrades all belong here.

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  10. Brakes

    Discussion centered around the brakes and braking systems for the new Colorado ZR2.

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  11. Body

    Discussion centered around the body of the new Colorado ZR2, including the high-clearance bumpers and special hood that make the trucks unique.

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  12. Interior

    Discussion about the interior of the new Colorado ZR2.

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  13. Towing

    Discussion about towing with the new Colorado ZR2. The factory weight limits, towing performance, and aftermarket parts can all be discussed here.

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