🏷️ Basic Information Identification Make: Isuzu Model: Colorado Year: 2007 Generation Generation Code: GMT355 Codes Platform: GMT355 👋 Introduction Market Position Segment: Compact/Mid-size Pickup Truck Target Audience: DIY enthusiasts, independent repair shops, fleet maintenance. Competitive Analysis Key Competitors: Chevrolet Colorado, GMC Canyon, Toyota Tacoma, Nissan Frontier, Ford Ranger. Key Features Manual Advantage: Factory-level accuracy and detail, covering all aspects of vehicle repair and maintenance. Vehicle Value Proposition: Rugged, reliable, and versatile pickup truck known for its value and capability. 📋 Manual Details Coverage Areas Primary Coverage: North America Page Count Estimated Pages: 2000+ Manual Type Type: Factory Service Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine disassembly, assembly, diagnosis, and repair for all gasoline and diesel variants. Engine Performance: Engine control systems, fuel injection, ignition, emissions, cooling, lubrication. Transmission Manual: Diagnosis, repair, and overhaul of manual transmissions. Transmission Automatic: Diagnosis, repair, and overhaul of automatic transmissions (including 4L60-E). Drivetrain: Front-wheel drive (FWD) and rear-wheel drive (RWD) systems, transfer cases, drive shafts, axles, differentials. Suspension: Front and rear suspension components, steering, alignment specifications. Brakes: Brake system diagnosis, repair, ABS components, hydraulic and mechanical aspects. Electrical System: Complete electrical schematics, wiring diagrams, lighting, accessories, power distribution. Body And Frame: Body panel removal and installation, interior trim, frame diagnosis, corrosion protection. HVAC: Heating, ventilation, and air conditioning system diagnosis and repair. Safety Systems: Airbag systems, seatbelt mechanisms, passive safety component diagnosis. Procedures Included Preventive Maintenance: Scheduled maintenance checks, fluid changes, filter replacements, tire rotation. Troubleshooting: Diagnostic procedures for common and uncommon faults, symptom-based troubleshooting guides. Repair Procedures: Step-by-step instructions for component removal, installation, disassembly, and reassembly. Diagnosis: Detailed diagnostic flowcharts, OBD-II diagnostic codes and their meanings, component testing procedures. Special Tools: Identification and usage instructions for specialized tools required for specific repairs. Technical Depth Depth Level: Comprehensive, covering everything from basic fluid checks to complete engine and transmission rebuilds. Diagnostics Complexity: Advanced diagnostics, including electrical circuit tracing, sensor testing, and ECU analysis. 📊 Manual Specifications File Format PDF Searchability: Fully searchable text for quick information retrieval. PDF Layout: High-resolution scanned pages or professionally typeset digital content. Print Quality Graphics Clarity: Clear and detailed diagrams, illustrations, and photographs. Binding Type Physical Manual Binding: N/A (Digital format, but if printed, typically spiral-bound or perfect-bound for ease of use). Paper Type Physical Manual Paper: N/A (Digital format, but typically high-quality paper for printed versions). ⚙️ Engine Specifications Primary Engine Engine Options: 2.8L Duramax Turbo-Diesel (LW4/LLC), 3.5L Vortec 3500 I5 (L52), 2.8L I4 (VM Motori - rare in some markets), 3.7L Vortec 3700 I5 (LLR - introduced later models). Performance 3.5L Vortec 3500 (L52) Horsepower: 220 hp @ 5600 rpm 3.5L Vortec 3500 (L52) Torque: 225 lb-ft @ 2800 rpm 2.8L Duramax (Lw4) Horsepower: 175 hp @ 3750 rpm 2.8L Duramax (Lw4) Torque: 305 lb-ft @ 2000 rpm Fuel System Fuel Delivery Gasoline: Multi-point fuel injection (MPFI) Fuel Delivery Diesel: Common rail direct injection (CRDI) Engine Code Decoder L52 Engine Designation: GM's 3.5L Inline-5 cylinder engine, Vortec designation. 🔧 Transmission Standard Standard Transmission Type: 5-speed manual (M83) Optional Optional Transmission Type: 4-speed automatic (4L60-E) Features Automatic Transmission Control: Electronic control with tow/haul mode. Fluid Type Automatic Transmission Fluid Spec: Dexron-III/VI compatible (refer to manual for exact specification for 2007 model year). Manual Transmission Fluid Spec: GL-4 or GL-5 rated gear oil (refer to manual for specific viscosity). 📐 Dimensions Exterior Wheelbase Short Bed: 111.3 inches Wheelbase Long Bed: 126.0 inches Overall Length Short Bed: 177.3 inches Overall Length Long Bed: 192.0 inches Cargo Bed Length Short Bed: 6 feet (72.4 inches) Bed Length Long Bed: 7 feet (80.8 inches) Weights Curb Weight Range: Approximately 3,800 - 4,400 lbs Gross Vehicle Weight Rating Gvwr: 5,300 - 6,300 lbs (depending on configuration) Towing Capacity: Up to 5,400 lbs (with proper equipment and configuration) Payload Capacity: Up to 1,650 lbs (depending on configuration) 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 3-star rating for 2WD and 4WD models (for 2007 model year, refer to NHTSA for precise data). Active Features ABS: Standard Anti-lock Braking System (ABS). Traction Control: Available Traction Control System (TCS). Passive Features Airbags: Driver and front passenger airbags. Seatbelts: 3-point seatbelts with pretensioners for front occupants. 💡 Technology Features Infotainment Audio System: Basic AM/FM stereo with CD player. Optional premium audio systems available depending on trim. Display: Basic digital or analog displays for radio and climate control. Driver Assistance Cruise Control: Available cruise control. Tire Pressure Monitoring: Not typically standard on 2007 models, may be available on higher trims or aftermarket. Connectivity Auxiliary Input: May be available as an option or on higher trim levels. 🔧 Maintenance Service Intervals Oil Change Interval Gasoline: Every 7,500 miles or 12 months, whichever comes first (under normal driving conditions). Severe service may require shorter intervals. Oil Change Interval Diesel: Every 5,000 miles...