🏷️ Basic Information Identification Make: Chevrolet Model: Chevy Colorado Year: 2004 Codes Model Code: GMT355 👋 Introduction Market Position Segment: Mid-size Pickup Truck Target Audience: DIY mechanics, fleet owners, professional technicians. Competitive Analysis Competitors 2004: Ford Ranger, Toyota Tacoma, Nissan Frontier, Dodge Dakota Key Features Value Proposition: Empowers users to perform all service and repair procedures, saving significant costs. Format Advantage: Instant delivery and multi-device compatibility offer immediate access and convenience. 📋 Manual Details Coverage Areas Manual Type: Complete Workshop Service Repair Manual Language: English Format: Downloadable Digital Format (PDF) Page Count: Estimated 1500+ pages (typical for complete workshop manuals) Accessibility: Printable, Tablet Compatible, Smartphone Compatible 📖 Manual Coverage Systems Covered Engine: All Engine Options (2.8L I4, 3.5L I5) Transmission: All Transmission Types (Manual & Automatic) Drivetrain: 2WD and 4WD Systems Brakes: Front and Rear Brake Systems, ABS Suspension: Front and Rear Suspension, Steering System Electrical: Complete Electrical Schematics, Lighting, Power Distribution Body: Body Panels, Interior Trim, Glass, Bumpers HVAC: Heating, Ventilation, and Air Conditioning Systems Fuel System: Fuel Tank, Pump, Injectors, Lines Cooling System: Radiator, Water Pump, Thermostat, Hoses Exhaust System: Catalytic Converter, Muffler, Pipes Comfort And Convenience: Power Windows, Locks, Seats, Mirrors Procedures Included Maintenance: Oil Changes, Filter Replacements, Fluid Checks, Tune-Ups Diagnostics: Troubleshooting Guides, DTC Interpretation, Diagnostic Flowcharts Repair: Engine Component Replacement, Transmission Rebuild, Brake Caliper Service, Suspension Component Replacement Installation: Component Installation and Removal Procedures Specifications: Torque Specifications, Clearances, Alignment Data Wiring Diagrams: Detailed Electrical Schematics for all Systems Technical Depth Depth: Comprehensive: Covers routine maintenance to major component overhauls and diagnostics. Illustrations: Step-by-step instructions with accompanying diagrams and pictures. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text for quick information retrieval. Print Quality Resolution: High-resolution for clear text and diagrams. Usability: Designed for easy reading and printing of individual pages or sections. Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine 1 Name: 2.8L Vortec 4-Cylinder Engine 1 Displacement: 2770 cc Engine 1 Power Hp: 175 hp @ 5600 rpm Engine 1 Torque Lb Ft: 185 lb-ft @ 4000 rpm Engine 2 Name: 3.5L Vortec 5-Cylinder Engine 2 Displacement: 3471 cc Engine 2 Power Hp: 201 hp @ 5600 rpm Engine 2 Torque Lb Ft: 220 lb-ft @ 2800 rpm Fuel System Fuel Delivery: Multi-port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline 🔧 Transmission Standard Transmission 1 Type: 5-Speed Manual (M82, MV400) Optional Transmission 2 Type: 4-Speed Automatic (4L60-E) Features Transfer Case: Available 2WD and 4WD with electronic or manual shift transfer case options. 📐 Dimensions Exterior Wheelbase Short: 111.2 inches Wheelbase Long: 126.2 inches Overall Length Short Bed: 191.1 inches Overall Length Long Bed: 206.1 inches Weights Curb Weight Min: Approx. 3,900 lbs (2WD, Regular Cab) Curb Weight Max: Approx. 4,500 lbs (4WD, Crew Cab) Cargo Bed Length Short: 6.1 feet Bed Length Long: 7.4 feet 🛡️ Safety Features Ratings NHTSA Driver Front 2004: Not rated (specific year data may vary) NHTSA Passenger Front 2004: Not rated (specific year data may vary) Active Features ABS: Standard Anti-lock Braking System (ABS) Passive Features Airbags: Standard Frontal Airbags for driver and passenger 💡 Technology Features Infotainment Audio System: Base AM/FM stereo, optional CD player, premium audio systems available on higher trims. Driver Assistance Cruise Control: Available Cruise Control Connectivity Power Outlets: 12V Power Outlets 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months, whichever comes first (with synthetic oil). Air Filter Replacement: Inspect every 15,000 miles, replace as needed or every 30,000 miles. Engine Coolant Flush: Every 100,000 miles or 5 years. Fluid Specifications Engine Oil Type: SAE 5W-30 (all engines) Engine Oil Capacity: 2.8L: 5.5 qts, 3.5L: 6.0 qts (with filter) Transmission Fluid Type Auto: Dexron-VI (or equivalent) Transmission Fluid Type Manual: GL-4 or GL-5 gear oil (specific viscosity varies by transmission) Coolant Type: Dex-Cool (orange long-life) or equivalent Known Issues Common Wear Items: Ball joints, tie rod ends, wheel bearings, catalytic converter failure (especially on earlier models). Electrical Gremlins: Reported issues with body control modules and intermittent electrical faults. The manual provides diagnostic procedures. Engine Performance: Occasional concerns about power output from the 4-cylinder, and potential for oil leaks on the 3.5L. Manual covers all engine diagnostics. 📚 Vehicle History Brand Heritage Chevrolet Truck Legacy: Chevrolet has a long-standing reputation in the pickup truck market, dating back to the 1910s with models like the Chevrolet Series 490. Model Evolution Colorado Introduction: The Colorado replaced the Chevrolet S-10 pickup and was introduced for the 2004 model year as part of GM's global mid-size truck platform (GMT355). Production Manufacturing Location: United States (Shreveport, Louisiana) 🏆 Awards & Recognition Recognitions Initial Reception: The Chevrolet Colorado was generally well-received at launch for its rugged styling and available powertrains, though often compared unfavorably in refinement to Japanese rivals like the Toyota Tacoma....