The Chevrolet Aveo, specifically the T250/T255 generation produced from 2007 to 2010, is a subcompact car designed to offer an affordable and practical transportation solution. Built on GM's global small car platform, this model was engineered to compete in a segment known for value-conscious buyers, small families, and commuters. Available with either a 1.4L or 1.6L inline-4 DOHC engine, the Aveo offered a choice between a 5-speed manual or a 4-speed automatic transmission, prioritizing fuel economy and straightforward operation. Its compact dimensions, including a wheelbase of approximately 98.4 inches and a length of about 161.3 inches, made it maneuverable in urban environments. While consumer ratings were mixed, often highlighting its value proposition, the Aveo provided essential features and a functional interior for its class. This comprehensive factory service manual provides in-depth guidance for the maintenance and repair of the Chevrolet Aveo T250/T255. Covering all major vehicle systems, including engine mechanicals, engine management, transmissions (manual and automatic), drivetrain, suspension, steering, brakes, electrical systems, body and chassis, HVAC, and safety systems, this manual offers detailed procedures. Users will find step-by-step instructions for scheduled maintenance, diagnostic troubleshooting, component repair, and even overhaul procedures. Critical technical specifications, tightening torques, and wiring diagrams are also included, making this manual an indispensable resource for owners, technicians, and mechanics seeking to ensure the optimal performance and longevity of their Aveo. 🏷️ Basic Information Identification Make: Chevrolet Model: Aveo Generation: T250/T255 Production Years: 2007-2010 Codes Platform: T250/T255 👋 Introduction Market Position Segment: Subcompact car Target Audience: Budget-conscious car buyers, small families, commuters Competitive Analysis Key Competitors: Hyundai Accent, Kia Rio, Toyota Yaris, Honda Fit, Ford Fiesta Key Features Value Proposition: Affordable price, decent fuel economy, practical interior for its size 📋 Manual Details Coverage Areas Primary Focus: Maintenance and Repair Breadth Of Coverage: Comprehensive (all major systems) Page Count Estimated Page Count: Likely several thousand pages (typical for factory service manuals) Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF (Digital Download) 📖 Manual Coverage Systems Covered Engine Mechanical: Yes (including disassembly, assembly, specifications) Engine Management System: Yes (fuel, ignition, emissions, sensors, actuators) Transmission Manual: Yes (operation, diagnostics, repair) Transmission Automatic: Yes (operation, diagnostics, repair) Drivetrain: Yes (axles, drive shafts, differential) Suspension: Yes (front and rear suspension components, alignment) Steering: Yes (power steering system, steering gear) Brakes: Yes (hydraulic system, ABS, parking brake) Electrical System: Yes (battery, charging, starting, lighting, accessories, wiring diagrams) Body And Chassis: Yes (structural components, interior trim, exterior panels) HVAC System: Yes (heating, ventilation, air conditioning) Safety Systems: Yes (airbags, seat belts) Procedures Included Scheduled Maintenance: Yes (oil changes, filter replacements, fluid checks) Diagnostic Procedures: Yes (troubleshooting guides, symptom-based diagnostics) Repair Procedures: Yes (step-by-step instructions for component replacement and repair) Overhaul Procedures: Yes (detailed procedures for major component rebuilds) Wiring Diagrams: Yes (essential for electrical diagnostics) Tightening Torques: Yes (critical for component assembly) Technical Depth Depth: Factory-level (covers everything from basic maintenance to full component rebuilds and diagnostics) 📊 Manual Specifications File Format Format: PDF Searchability: Likely searchable text (depending on PDF creation) Print Quality Image Resolution: High (allows for zooming and clear viewing of diagrams and text) Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Compatibility Operating Systems: Windows & Mac (requires Adobe PDF Reader) ⚙️ Engine Specifications Primary Engine Engine Code: F14D (1.4L), F16D (1.6L) Engine Type: Inline-4 cylinder, DOHC, 16-valve Performance Displacement 1.4L: 1399 cc Horsepower 1.4L: 94 hp @ 6200 rpm Torque 1.4L: 95 lb-ft @ 3800 rpm Displacement 1.6L: 1598 cc Horsepower 1.6L: 106 hp @ 6000 rpm Torque 1.6L: 106 lb-ft @ 3800 rpm Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) Fuel Type: Unleaded gasoline Engine Management ECU Type: ECM (Engine Control Module) 🔧 Transmission Standard Transmission Type Standard: 5-speed manual Optional Transmission Type Optional: 4-speed automatic Features Clutch Type: Single dry plate (manual) 📐 Dimensions Exterior Wheelbase: approx. 98.4 inches (2500 mm) Length: approx. 161.3 inches (4100 mm) Width: approx. 67.7 inches (1720 mm) Height: approx. 59.4 inches (1510 mm) Weights Curb Weight: approx. 2300-2400 lbs (1043-1089 kg) depending on configuration 🛡️ Safety Features Ratings NHTSA Front Driver: Likely 4-star (based on sibling models and era) NHTSA Front Passenger: Likely 4-star (based on sibling models and era) Active Features ABS: Available on higher trims or as an option Electronic Brakeforce Distribution: Often paired with ABS Passive Features Airbags: Front airbags standard, optional side airbags Seatbelts: 3-point seat belts with pretensioners 💡 Technology Features Infotainment Head Unit: Basic AM/FM/CD stereo with auxiliary input, some models may have MP3 capability. Driver Assistance Cruise Control: Available on higher trim levels. Connectivity Auxiliary Input: Standard on most models for audio device connectivity. 🔧 Maintenance Service Intervals Engine Oil Change: Every 7,500 miles or 6 months (whichever comes first) under normal driving conditions; 3,750 miles or 6 months under severe...