Basic Information Identification Make: Chevrolet Model: Colorado Generation: Second Generation (GMT 355) Model Years Covered: 2009, 2010, 2011, 2012 Codes Platform Code: GMT 355 Introduction Market Position Segment: Compact Pickup Truck Competitive Analysis Key Competitors: Toyota Tacoma, Nissan Frontier, Ford Ranger (previous generation) Key Features Vehicle Strengths: Affordable, durable, capable for its class, available in various configurations (2WD/4WD, extended cab/crew cab, short/long bed). Manual Value Proposition Benefits To Owner: Empowers owners and technicians with factory-level repair and maintenance knowledge, reducing repair costs and improving vehicle longevity. Manual Details Coverage Areas Coverage Continents: North America Coverage Countries: United States, Canada, Mexico Page Count Estimated Page Count: 1000+ Manual Type Type: Factory Service Repair Workshop Manual Language Language: English Format Format: PDF Download Manual Coverage Systems Covered Powertrain Engine: All Engine Variants: 2.9L LLV I4, 3.7L LLM I5 Powertrain Transmission: Manual and Automatic Transmissions Chassis Suspension: Front and Rear Suspension, Steering System Chassis Brakes: Hydraulic Brake System, ABS, Traction Control Electrical System: Battery, Charging System, Starting System, Lighting, Fuses, Relays, Body Control Module (BCM) Electrical Powertrain Control Module: PCM Diagnostics and Pinouts Body And Trim: Interior and Exterior Trim, Doors, Glass, Bumpers HVAC: Heating, Ventilation, and Air Conditioning System Safety Systems: Airbags, Seatbelts, Tire Pressure Monitoring System (TPMS) Diagnostic Troubleshooting: Systematic Troubleshooting Guides for All Components Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks Repair: Engine Overhaul, Transmission Rebuilds, Suspension Component Replacement, Brake Service Troubleshooting: Diagnostic Trouble Codes (DTCs), Symptom-Based Troubleshooting Installation: Component Installation and Removal Procedures Wiring Diagrams: Detailed Electrical Wiring Schematics Technical Depth Depth: Comprehensive: From basic fluid changes to full engine and transmission rebuilds, including advanced diagnostics. Manual Specifications File Format File Type: Portable Document Format (PDF) Print Quality Printability: Fully printable (single pages or entire manual) Image Clarity: High-resolution images and diagrams for clarity Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) Software Compatibility Operating Systems: Compatible with all Windows and macOS computers Device Compatibility: Usable on multiple computers, tablets, and smartphones Licensing License Type: Lifetime use, no expiry dates or renewal fees Engine Specifications Primary Engine Engine 1 Displacement: 2.9 Liters (179 cubic inches) Engine 1 Configuration: Inline-4 (LLV) Engine 1 Horsepower: 185 hp @ 5600 rpm (approximate) Engine 1 Torque: 203 lb-ft @ 4600 rpm (approximate) Secondary Engine Engine 2 Displacement: 3.7 Liters (226 cubic inches) Engine 2 Configuration: Inline-5 (LLM) Engine 2 Horsepower: 242 hp @ 5600 rpm (approximate) Engine 2 Torque: 242 lb-ft @ 4600 rpm (approximate) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline Engine Management Engine Control Unit: PCM (Powertrain Control Module) Transmission Standard Transmission Type Engine 1: 5-Speed Manual (M50) Type Engine 2: 6-Speed Manual (MV5) Optional Transmission Type Engine 1: 4-Speed Automatic (4L60-E) Type Engine 2: 4-Speed Automatic (4L60-E or 4L70-E) Features Drivetrain: Rear-Wheel Drive (RWD) or Four-Wheel Drive (4WD) Fluid Specifications Automatic Transmission Fluid: Dexron VI Manual Transmission Fluid: GM Synchromesh Friction Modified Manual Transmission Fluid (or equivalent) Dimensions Exterior Wheelbase Short Bed: 111.3 inches Wheelbase Long Bed: 126.0 inches Overall Length Short Bed: 192.4 inches Overall Length Long Bed: 216.4 inches Cargo Bed Length Short: 72.1 inches Bed Length Long: 95.2 inches Weights Curb Weight Range: Approx. 3,700 - 4,500 lbs Max Payload Capacity: Approx. 1,100 - 1,400 lbs (configuration dependent) Max Towing Capacity: Up to 5,400 lbs (configuration dependent) Safety Features Ratings NHTSA Rollover Rating: 4 out of 5 stars (typical for 2WD and 4WD models) IIHS Crash Test Performance: Varies by year and specific test, generally considered adequate for its class. Active Features Traction Control: Standard on most models Electronic Stability Control: Available on later models or higher trims Anti Lock Brakes: Standard Passive Features Airbags: Frontal airbags for driver and passenger, available side-impact airbags Seatbelts: 3-point front and rear seatbelts with pretensioners Safety Monitors Tire Pressure Monitoring System: Available on certain trims/packages Technology Features Infotainment Audio System: Standard AM/FM stereo with CD player, MP3 capability, and auxiliary input. Available with premium sound systems and satellite radio. Navigation: Optional navigation system available on higher trims. Driver Assistance Cruise Control: Standard on most models Connectivity Bluetooth: Optional Bluetooth hands-free calling on select trims/packages. Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months (using synthetic oil), or as indicated by the oil life monitor. Air Filter Replacement: Every 30,000 miles or as needed, depending on driving conditions. Cabin Air Filter Replacement: Every 15,000 - 20,000 miles or annually. Coolant Flush: First flush at 100,000 miles, then every 50,000 miles thereafter (using DEX-COOL or equivalent long-life coolant). Spark Plug Replacement 2.9L: Approx. 100,000 miles (if equipped with iridium plugs) Spark Plug Replacement 3.7L: Approx. 100,000 miles (if equipped with iridium plugs) Fluid Specifications Engine Oil Spec 2.9L: SAE 5W-30 (API SN or newer, Dexos approved recommended) Engine Oil Spec 3.7L: SAE 5W-30 (API SN...