GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Colorado Pickup - 2WD 🢒 Body Repair 🢒 Collision Repair 🢒 Pickup Box Replacement

Removal Procedure
  1. Disconnect the tail/turn signal lamp wiring connectors at the rear of the vehicle.
  2. Remove the tail lamp assembly. Refer to Tail Lamp Replacement .
  3. Open the fuel filler door.

    4. Object Number: 354587 Size: SH
  4. Remove the fuel filler neck. Refer to Fuel Tank Filler Pipe Housing Replacement .
  5. Remove the endgate. Refer to Endgate Replacement .

    6. Object Number: 340587 Size: SH
  6. Remove the pickup box fasteners (1) from the frame rails.
  7. With the an assistant remove the box from the vehicle.

Installation Procedure
  1. Align the pickup box on the frame rails.

    2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 340587 Size: SH
  2. Loosely install the pickup box fasteners (1) to the frame rails.

    3. Tighten
    Tighten the retaining bolts to the frame rail to 85 N·m (63 lb ft).

  3. Install the endgate. Refer to Endgate Replacement .

    4. Object Number: 354587 Size: SH
  4. Fasten the screws and the push-pin around the fuel filler neck.
  5. Close the fuel filler door.
  6. Install the tail lamp assembly. Refer to Tail Lamp Replacement .
  7. Connect the tail lamp wiring connectors at the rear of the vehicle.