🏷️ Basic Information Identification Make: Chevrolet Model: Colorado Generation: Second Generation (2015-Present, though this manual covers the tail end of the first generation) Codes Platform Code: GMT 355 (for 2012-2014 models) / GMT 31XX (for 2015-2017 models) 👋 Introduction Market Position Vehicle Segment: Mid-size pickup truck. Target Audience: DIY mechanics, professional technicians, fleet owners, and hobbyists seeking detailed repair information. Competitive Analysis Competitors: Ford Ranger, Toyota Tacoma, Nissan Frontier, Dodge Dakota (during earlier years of coverage). Key Features Manual Value Proposition: Empowers owners to perform their own repairs, saving significant labor costs, and provides expert-level guidance with step-by-step instructions and illustrations. Digital Access: Instant delivery via email, perpetual ownership, and the flexibility to print or access on multiple devices. 📋 Manual Details Coverage Areas Model Years Covered: 2012, 2013, 2014, 2015, 2016, 2017 Models Covered: All Chevrolet Chevy Colorado models, including all engine types, trim levels, and transmission configurations. Page Count Estimated Page Count: Extensive (Exact count not provided, but typical for a complete workshop manual covering multiple years and configurations). Manual Type Manual Type: Complete Workshop Service Repair Manual Language Language: English Format Format: Downloadable Digital Format (PDF compatible) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical (including diesel variants if applicable), fuel system, cooling system, exhaust system, ignition system, lubrication system, engine performance diagnostics, and control systems. Transmission Drivetrain: Automatic and manual transmissions (e.g., 4L60-E, 6L50, M176/MY29), transfer cases (4WD systems), drive axles, differentials, CV joints, and propeller shafts. Chassis Suspension Steering: Front and rear suspension systems (independent front suspension, leaf spring rear), steering systems (rack and pinion, power steering), wheel bearings, and alignment specifications. Brakes: Front and rear brake systems (disc, drum), hydraulic systems, ABS (Anti-lock Braking System), parking brake, and brake component replacement. Electrical Electronics: Battery, charging system, starting system, lighting systems, instrument cluster, body control modules (BCM), power distribution, fuses and relays, wiring diagrams, and diagnostic trouble codes (DTCs). HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system operation, components, diagnosis, and refrigerant service. Body Interior Exterior: Body panels, doors, windows, mirrors, interior trim, seats, airbags, bumpers, and collision repair information. Procedures Included Maintenance: Scheduled maintenance intervals, oil changes, filter replacements, fluid checks and top-offs, tire rotation, brake inspections, and general upkeep. Troubleshooting: Diagnostic procedures for common faults, symptom-based troubleshooting guides, and identification of potential issues. Repair Rebuild: Detailed step-by-step instructions for component removal, disassembly, inspection, repair, assembly, and reinstallation of all major vehicle systems. Diagnostics: Engine and transmission diagnostic procedures, ABS diagnostics, airbag system diagnostics, and use of diagnostic scan tools. Technical Depth Depth Of Coverage: Comprehensive from basic DIY maintenance to advanced engine and transmission rebuilds, including electrical schematics and diagnostic flowcharts. Diagnostic Capabilities: In-depth diagnostic information including DTC lookup, symptom analysis, and circuit testing procedures. Wiring Diagrams: Detailed electrical wiring diagrams for all vehicle systems, crucial for electrical troubleshooting and repair. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Print Quality Print Quality: High resolution for clear images, diagrams, and text, enabling easy printing of individual pages or entire chapters. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Software Requirements Required Software: Adobe Acrobat Reader (or compatible PDF viewer), pre-installed on most devices or freely downloadable. Accessibility Device Compatibility: Compatible with all PC and MAC computers, tablets, and smartphones. ⚙️ Engine Specifications Primary Engine Engine Options 2012-2014: 2.9L Vortec 4-cylinder (LLR), 3.7L Vortec 5-cylinder (LLM) Engine Options 2015-2017: 2.5L Ecotec 4-cylinder (LWN), 3.6L V6 VVT DI (LFX) Performance 2.9L Llr (2012-2014) Horsepower: Approx. 185 hp @ 5600 rpm 3.7L Llm (2012-2014) Horsepower: Approx. 242 hp @ 5600 rpm 2.5L Lwn (2015-2017) Horsepower: Approx. 191 hp @ 6300 rpm 3.6L Lfx (2015-2017) Horsepower: Approx. 305 hp @ 6800 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with Port Fuel Injection (PFI) or Direct Injection (DI) depending on engine. Fuel Type Recommended Fuel: Unleaded gasoline (87 octane or higher recommended for V6). 🔧 Transmission Standard Transmission Options 2012-2014: 5-speed manual (MA5), 4-speed automatic (4L60-E) Transmission Options 2015-2017: 6-speed manual (NV1500/MH1), 6-speed automatic (6L50) Optional Optional Transmission 2015-2017: 8-speed automatic (8L45) for 3.6L V6 models. Features Drivetrain Configurations: Rear-Wheel Drive (RWD) and Four-Wheel Drive (4WD) available across most trims and model years. 📐 Dimensions Exterior Wheelbase Options: Varies by cab configuration (e.g., Extended Cab, Crew Cab) and bed length, typically ranging from approximately 111.9 inches to 126.9 inches. Overall Length: Varies by configuration, generally between 174.5 inches and 220.0 inches. Cargo Bed Length Options: Short bed (approx. 61.1 inches), Long bed (approx. 72.8 inches). Weights Curb Weight: Varies significantly based on engine, drivetrain, and configuration, typically starting around 3,700 lbs and going up. Towing Capacity: Up to approximately 7,000 lbs when properly equipped (especially for 3.6L V6 models with trailering package). 🛡️ Safety Features Ratings NHTSA Crash Test Results: Varies by year and specific test, but...