Chevrolet Colorado (2004-2012): How to Remove the Bumpers

The Chevrolet Colorado is a compact pickup truck produced in the U.S. and other countries from 2004 to 2012. It replaced the outdated S-10 model and became an important part of Chevrolet's lineup. In this review, we will take a detailed look at its history, modifications, and interesting features.

Production Years and Generations

The first-generation Chevrolet Colorado was produced from 2004 to 2012. The second generation began in 2012, but this guide focuses on the early version.

Names and Regional Differences

  • In the U.S. and Canada, the pickup was sold as the Chevrolet Colorado.
  • In Latin American countries (e.g., Brazil), it was known as the Chevrolet S10 (despite the S10 being its predecessor in the U.S.).
  • In Thailand and some Asian countries, the model was sold under the Isuzu brand (Isuzu i-Series).
  • In South Africa, the first-generation Colorado was called the Holden Colorado.

 

Model Overview

Design and Dimensions

The first-generation Colorado was available in three body styles:

  • Regular Cab (2 doors, 2 seats)
  • Extended Cab (2+2 doors, 4 seats)
  • Crew Cab (4 doors, 5 seats)

The cargo bed measured between 1.6 and 2.1 meters, depending on the modification.

Engines

In the U.S., the Colorado was equipped with three engine options:

  • 2.8L LK5 (4-cylinder, 175 HP) – base option.
  • 3.5L L52 (5-cylinder, 220 HP) – mid-range power.
  • 5.3L LH8 (V8, 300 HP) – a rare and powerful engine, available only from 2009 to 2012.

Other markets offered diesel versions, including 2.5L and 2.8L engines from Isuzu.

Transmission

  • 5-speed manual (base)
  • 4-speed automatic (for 4- and 5-cylinder engines)
  • 6-speed automatic (only for the V8)

Suspension and Drivetrain

  • Rear-wheel drive (standard)
  • All-wheel drive (optional)
  • Front suspension – independent
  • Rear suspension – leaf springs (for load capacity)

Front Bumper Removal

The bumper is removed together with the reinforcement bar.

  1. Open the hood.
  2. Under the hood, disconnect the wiring harnesses, release the clips, and remove the radiator grille.
  3. Remove the fender liners (if present).
  4. Disconnect the fog light wiring (if equipped).
  5. Unscrew the bolts (marked on the diagram) securing the reinforcement bar to the frame.
  6. With an assistant, pull the bumper forward to remove it.

Chevrolet Colorado Front Bumper Mounting Locations (2004-2012)

Chevrolet Colorado (2004-2012) Radiator Grille Mounting Diagram

Chevrolet Colorado Front Bumper Mounting Diagram (2004-2012)

Rear Bumper Removal

⇒Useful tips on how to remove the bumper and not break anything.⇐

The bumper is removed together with the reinforcement bar.

  1. Disconnect any electrical connectors (if present).
  2. Unscrew the four bolts securing the bumper reinforcement to the frame.
  3. With an assistant, pull the bumper backward to remove it.

Chevrolet Colorado Rear Bumper Mounting Diagram (2004-2012)

Interesting Facts

  • Z71 Off-Road Package
    In 2006, the off-road Z71 package was introduced, featuring:
    • Reinforced suspension
    • Skid plates
    • All-terrain tires
    • Unique grille design
  • Rare V8 Model
    In 2009, Chevrolet released a Colorado with a 5.3L V8 (300 HP). This was a limited edition, and today these trucks are prized by collectors.
  • Racing Heritage
    The Colorado was used in rally raids, including the famous Baja 1000. Specially modified versions competed in the Stock Mini class.
  • Connection with Isuzu
    The Colorado platform was co-developed with Isuzu, so many parts (especially in diesel versions) are interchangeable.
  • Electric Version
    In 2011, GM announced an electric Colorado, but the project was canceled due to high battery costs.
  • Military Use
    In some countries (e.g., Mexico), the Colorado was used by the military and police due to its reliability.

 

Pros and Cons

Advantages:

  • Simple and repairable design.
  • Good off-road capability (4×4 versions).
  • Availability of spare parts (especially in the U.S. and Latin America).

Disadvantages:

  • Poor corrosion resistance (rust issues in cold climates).
  • Low-quality interior plastics (squeaks, cracks).
  • Underpowered base engine (2.8L).

 

Conclusion

The Chevrolet Colorado (2004–2012) is a reliable but no-frills pickup truck valued for its simplicity and versatility. While it didn’t become as iconic as the Ford Ranger or Toyota Hilux, it carved out its own niche. Today, it can still be found in Latin America, Africa, and Asia, where it continues to endure tough working conditions.