🏷️ Basic Information Identification Make: Chevrolet Model: Colorado Model Years Covered: 2008, 2009, 2010 Generation Generation Code: GMT355 Codes Platform: GMT355 👋 Introduction Market Position Vehicle Segment: Mid-size Pickup Truck Competitive Analysis Key Competitors: Toyota Tacoma, Nissan Frontier, Ford Ranger (in relevant markets) Key Features Vehicle Strengths: Reputation for durability (especially with 3.7L and 5.3L V8 engines), capable off-road performance (especially Z71 trims), versatile utility for work and recreation. Manual Value Proposition: Empowers owners to perform maintenance and repairs themselves, saving money and time. Provides professional-level diagnostic and repair information. 📋 Manual Details Coverage Areas Geographic Coverage: North America (USA, Canada), Australia, New Zealand (implied by customer base) Page Count Estimated Page Count: Varies, but potential for large file size up to 5GB suggests comprehensive coverage. Manual Type Manual Type: Service Repair Manual / Workshop Manual / Factory Manual Language Language: English Format Delivery Format: Digital Download (PDF, ZIP, RAR, EXE) 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, lubrication, cooling, fuel, ignition, emission control, exhaust, engine management systems (ECM/PCM), diagnostics Transmission Systems: Manual transmission, automatic transmission, clutch, driveline, axles, differentials, transfer case Brake Systems: Front and rear brakes (disc/drum configurations), ABS (Anti-lock Braking System), hydraulic system, parking brake Suspension Steering: Front suspension (independent torsion bar or coil spring), rear suspension (leaf spring), steering gear, power steering, wheel alignment Electrical Systems: Battery, charging system (alternator), starting system, lighting, instrumentation, body control modules (BCM), fuses, relays, wiring diagrams, diagnostics Body Chassis: Frame, body panels, doors, glass, interior trim, bumpers, exterior trim, corrosion protection HVAC Systems: Heating, Ventilation, and Air Conditioning (HVAC) system operation, components, and service Safety Systems: Airbags, seat belts, safety restraint systems Procedures Included Maintenance Procedures: Routine maintenance, oil changes, filter replacements, fluid checks and changes, tire rotation, brake inspections Repair Procedures: Step-by-step instructions for component removal, installation, overhaul, and repair of all major vehicle systems Troubleshooting Diagnostics: Diagnostic flowcharts, symptom analysis, fault code interpretation, electrical troubleshooting procedures Rebuild Restoration: Detailed instructions for rebuilding engines, transmissions, and other major components Specifications Data: Torque specifications, clearances, fluid capacities, electrical data, dimensional data Technical Depth Depth Of Coverage: Comprehensive, covering all aspects from basic maintenance to advanced diagnostics and complete overhauls. Suitable for professional technicians and DIY enthusiasts. 📊 Manual Specifications File Format File Types: PDF, ZIP, RAR, EXE. The use of ZIP/RAR implies potential for multiple files or large compressed archives. Print Quality Printable: Yes, the manual can be printed from any computer. Binding Type Binding Type: N/A (Digital Download - No Physical Binding) Paper Type Paper Type: N/A (Digital Download - No Physical Paper) Searchability Searchable Text: Likely searchable if PDF is text-based, but not explicitly stated. Manuals can be 'zipped' which might imply non-searchable formats within the archive. Illustrations Illustration Quality: Illustrated with clear step-by-step instructions, zoomable illustrations, detailed component explosions, and exploded views. ⚙️ Engine Specifications Primary Engine 2 8L Lw5 Duramax Diesel: Displacement: 2.8L (171 cu in); Configuration: Inline-4 Turbocharged Diesel; Horsepower: 181 hp @ 3400 rpm; Torque: 369 lb-ft @ 2000 rpm; Fuel System: Common Rail Direct Injection; Bore x Stroke: 98.5 mm x 95 mm; Compression Ratio: 16.0:1 (This engine was introduced later in the Colorado's lifecycle, but it's important to note its existence and potential for future models). **Note:** The 2.8L Duramax was not available for 2008-2010 model years. The engines for these years were the 2.9L I4 and 3.7L I5, and the 5.3L V8 for specific configurations/trims. 2 9L Llr Inline 4: Displacement: 2.9L (177 cu in); Configuration: Inline-4; Horsepower: 185 hp @ 5600 rpm; Torque: 190 lb-ft @ 2800 rpm; Fuel System: Multi-Port Fuel Injection (MPFI); Bore x Stroke: 95.3 mm x 103.4 mm; Compression Ratio: 9.1:1 3 7L Lrt Inline 5: Displacement: 3.7L (226 cu in); Configuration: Inline-5; Horsepower: 242 hp @ 5600 rpm; Torque: 242 lb-ft @ 2800 rpm; Fuel System: Multi-Port Fuel Injection (MPFI); Bore x Stroke: 95.3 mm x 103.4 mm; Compression Ratio: 9.1:1 5 3L Lh8 V8: Displacement: 5.3L (323 cu in); Configuration: V8; Horsepower: 300 hp @ 5200 rpm; Torque: 320 lb-ft @ 4000 rpm; Fuel System: Active Fuel Management (AFM), Sequential Fuel Injection (SFI); Bore x Stroke: 96 mm x 92 mm; Compression Ratio: 9.1:1 (Available on Crew Cab 4WD LT models) Performance Tow Haul Mode: Available on automatic transmissions, optimizes shift points for towing. Fuel System Fuel Type: Regular Unleaded Gasoline (for I4 and I5), Premium Unleaded Gasoline recommended for optimal performance (for V8) 🔧 Transmission Standard Standard Transmission: 5-speed Manual (for 2.9L I4 and 3.7L I5) Optional Optional Transmission: 4-speed Automatic (MHY, 4L60-E derived) (for 2.9L I4, 3.7L I5, and 5.3L V8) Features Transmission Features: Lock-up torque converter, electronic control for automatic transmissions. 📐 Dimensions Exterior Wheelbase: Approximately 126.1 inches (3203 mm) for extended and crew cab models. Shorter wheelbase variants existed for standard cabs. Length: Varies by cab configuration (e.g.,...