Vehicle Segment:
        
        
            Compact/Mid-size Pickup Truck
        
     
    
        
            Target Audience:
        
        
            DIY mechanics, professional auto repair shops, fleet maintenance personnel.
        
     
    
    
        
            Key Competitors:
        
        
            Toyota Tacoma, Nissan Frontier, Ford Ranger.
        
     
    
    
        
            Manual Value Proposition:
        
        
            Provides factory-level repair and maintenance information to keep the Chevrolet Colorado in optimal condition.
        
     
    
        
            Manual Utility:
        
        
            Enables comprehensive service and repair, from routine maintenance to complex component overhauls.
        
     
 
    
    
    
        
            Powertrain Engine:
        
        
            2.8L (LLC) and 3.5L (LZ4) Gasoline Engines
        
     
    
        
            Powertrain Transmission:
        
        
            Automatic Transmission, Manual Transmission Overhaul
        
     
    
        
            Drivetrain:
        
        
            Drive Axle Limited Slip, Driveshaft, Front Drive Axle, Rear Drive Axle, Transfer Case, Wheel Drive Shafts
        
     
    
        
            Brakes:
        
        
            Antilock Brakes (ABS), Disc Brakes, Drum Brakes, Hydraulic Brakes, Parking Brake
        
     
    
        
            Suspension Steering:
        
        
            Front Suspension, Rear Suspension, Power Steering, Steering Column
        
     
    
        
            Electrical:
        
        
            Electrical Component Locations, Engine Electrical, Gages, Horns, Keyless Entry, Exterior Lights, Wiring
        
     
    
        
            HVAC:
        
        
            HVAC (Heating, Ventilation, and Air Conditioning)
        
     
    
        
            Interior:
        
        
            Doors, Interior Trim, Roof, Seats, Stationary Windows
        
     
    
        
            Chassis Body:
        
        
            Frame Underbody, Wiper Washer
        
     
    
        
            Driver Controls:
        
        
            Cruise Control
        
     
    
    
        
            Entertainment Systems:
        
        
            Entertainment (likely radio, speakers, etc.)
        
     
    
    
        
            Diagnostics:
        
        
            Troubleshooting procedures for all covered systems.
        
     
    
        
            Maintenance:
        
        
            Scheduled maintenance, fluid changes, component inspections.
        
     
    
        
            Repair Overhaul:
        
        
            Detailed step-by-step repair and overhaul procedures for major components.
        
     
    
        
            Component Replacement:
        
        
            Replacement procedures for all listed systems and components.
        
     
    
        
            Electrical Diagnostics:
        
        
            Wiring diagrams, component testing, electrical troubleshooting.
        
     
    
        
            Engine Management:
        
        
            Engine control system diagnostics and repair (2.8L & 3.5L).
        
     
    
        
            Drivetrain Service:
        
        
            Axle, driveshaft, and transfer case servicing and repair.
        
     
    
        
            Brake System Service:
        
        
            Brake system inspection, repair, and bleeding procedures.
        
     
    
        
            Suspension Alignment:
        
        
            Suspension component replacement and potential alignment specifications.
        
     
    
        
            HVAC Service:
        
        
            HVAC system diagnosis, refrigerant handling, component replacement.
        
     
    
        
            Interior Trim Removal:
        
        
            Procedures for removing and reinstalling interior trim panels.
        
     
    
        
            Reset Procedures:
        
        
            Maintenance Light Reset.
        
     
    
    
        
            Depth Level:
        
        
            Comprehensive Workshop Level
        
     
    
        
            Illustrations:
        
        
            High Resolution Illustrations, Photos, Diagrams
        
     
    
        
            Diagnostic Information:
        
        
            Detailed diagnostic procedures and symptom-based troubleshooting guides.
        
     
    
        
            Technical Data:
        
        
            Includes specifications, torque values, clearances, and tolerances for all repair procedures.
        
     
    
        
            Wiring Diagrams:
        
        
            Full electrical system wiring diagrams for comprehensive troubleshooting.
        
     
 
    
    
    
        
            Engine 2 8L Name:
        
        
            LLC (Atlas/Vortec 2800)
        
     
    
        
            Engine 2 8L Configuration:
        
        
            Inline 4-cylinder
        
     
    
        
            Engine 2 8L Displacement:
        
        
            2.8 Liters (171 cubic inches)
        
     
    
        
            Engine 3 5L Name:
        
        
            LZ4 (Vortec 3500)
        
     
    
        
            Engine 3 5L Configuration:
        
        
            Inline 5-cylinder
        
     
    
        
            Engine 3 5L Displacement:
        
        
            3.5 Liters (211 cubic inches)
        
     
    
    
        
            Engine 2 8L Horsepower:
        
        
            Approx. 175 hp @ 5600 rpm
        
     
    
        
            Engine 2 8L Torque:
        
        
            Approx. 185 lb-ft @ 2800 rpm
        
     
    
        
            Engine 3 5L Horsepower:
        
        
            Approx. 201 hp @ 5600 rpm
        
     
    
        
            Engine 3 5L Torque:
        
        
            Approx. 220 lb-ft @ 2800 rpm
        
     
    
    
        
            Fuel Delivery:
        
        
            Sequential Fuel Injection (SFI)
        
     
    
        
            Fuel Type:
        
        
            Unleaded Gasoline
        
     
    
        
            Emission Control:
        
        
            Catalytic Converter, On-Board Diagnostics (OBD-II)
        
     
 
    
    
    
        
            Transmission 2 8L Standard:
        
        
            5-Speed Manual Transmission (MV50)
        
     
    
        
            Transmission 3 5L Standard:
        
        
            4-Speed Automatic Transmission (4L60-E)
        
     
    
    
        
            Transmission 2 8L Optional:
        
        
            4-Speed Automatic Transmission (4L60-E)
        
     
    
        
            Transmission 3 5L Optional:
        
        
            5-Speed Manual Transmission (MV50)
        
     
    
    
        
            Transmission Fluid Type:
        
        
            Dexron-VI (for 4L60-E) or specified manual transmission fluid.
        
     
 
    
    
    
        
            NHTSA Frontal Crash Driver:
        
        
            Good (2004-2007 Models)
        
     
    
        
            NHTSA Frontal Crash Passenger:
        
        
            Good (2004-2007 Models)
        
     
    
        
            IIHS Moderate Overlap Frontal Crash:
        
        
            Acceptable (2004-2007 Models)
        
     
    
    
        
            ABS:
        
        
            Standard on most models, four-wheel disc brakes available on some trims.
        
     
    
        
            Traction Control:
        
        
            Available on select models.
        
     
    
    
        
            Airbags:
        
        
            Driver and front passenger airbags.
        
     
    
        
            Seatbelts:
        
        
            Three-point seatbelts for all occupants, pretensioners for front seats.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 5,000-7,500 miles or 6-12 months, depending on driving conditions and oil type (consult manual for specifics).
        
     
    
        
            Tire Rotation Interval:
        
        
            Typically every 5,000-7,500 miles.
        
     
    
        
            Transmission Fluid Change:
        
        
            Recommended every 45,000-100,000 miles, depending on usage and fluid type (refer to manual).
        
     
    
        
            Coolant Flush Interval:
        
        
            Typically every 30,000-100,000 miles or 2-5 years, depending on coolant type.
        
     
    
    
        
            Engine Oil Specification:
        
        
            Typically SAE 5W-30 Synthetic Blend or Full Synthetic. Consult manual for exact specification (e.g., Dexos or GM Standard).
        
     
    
        
            Coolant Type:
        
        
            GM-specified orange coolant (OAT - Organic Acid Technology) or equivalent.
        
     
    
        
            Power Steering Fluid:
        
        
            GM Power Steering Fluid or Dexron-VI Automatic Transmission Fluid.
        
     
    
    
        
            Engine Idle Roughness:
        
        
            Some reports of rough idle, potentially related to intake manifold leaks, spark plugs, or PCV system.
        
     
    
        
            Transmission Harsh Shifting:
        
        
            Occasional reports of harsh shifting, may require transmission fluid service or adjustments.
        
     
    
        
            Rear Main Seal Leaks:
        
        
            Potential for rear main seal leaks on some engines.
        
     
    
        
            ABS Sensor Issues:
        
        
            ABS wheel speed sensor failures can occur, leading to ABS/Traction Control warning lights.
        
     
    
        
            Rust On Frame:
        
        
            Like many vehicles of this era, frame rust can be an issue in certain climates; regular inspection is recommended.
        
     
 
    
    
    
        
            Chevrolet Truck Legacy:
        
        
            Chevrolet has a long-standing reputation for producing durable and capable trucks, dating back to the Task Force trucks of the 1950s.
        
     
    
    
        
            Colorado Introduction:
        
        
            Introduced for the 2004 model year as a successor to the Chevrolet S-10.
        
     
    
        
            Colorado Platform:
        
        
            Built on the GMT355 Global Medium Truck platform, shared with the GMC Canyon.
        
     
    
        
            Refresh Cycles:
        
        
            Underwent minor updates and powertrain revisions throughout its first generation (2004-2012).
        
     
    
    
        
            Manufacturing Location:
        
        
            Shreveport, Louisiana, USA (primarily for North American market)