The Sens, chassis code U100, is a subcompact sedan produced in the mid-to-late 1990s and early 2000s, known for its affordable pricing and practical design, often based on GM platforms with Opel design influences. This model was a key part of the company's strategy to offer budget-conscious transportation, competing with vehicles like the Hyundai Accent and Kia Rio. Featuring a 1.5-liter inline 4-cylinder engine, typically producing around 75-90 horsepower, and available with either a 5-speed manual or a 4-speed automatic transmission, the Sens provided reliable, fuel-efficient transportation. Its engineering prioritized value, making it a sensible choice for everyday commuting and general use. This comprehensive workshop service and repair manual provides detailed information for the Sens U100. It covers a vast array of systems, including engine mechanicals, fuel injection, ignition, drivetrain, suspension, steering, brakes, and the complete electrical system with extensive wiring diagrams. The manual also details bodywork, interior components, and climate control systems. Within its extensive scope, owners and technicians will find essential maintenance procedures, diagnostic steps, troubleshooting charts, repair procedures for component overhaul and installation, and critical technical specifications, including torque values and special tool requirements, all designed to facilitate effective upkeep and repair. 🏷️ Basic Information Identification Make: Daewoo Model: Sens Year: 1999 Codes Chassis Code: U100 👋 Introduction Market Position Vehicle Segment: Subcompact/Compact Sedan Target Audience: Budget-conscious consumers seeking reliable transportation Competitive Analysis Key Competitors: Hyundai Accent, Kia Rio, Ford Fiesta (regional variations) Key Features Value Proposition: Affordable pricing, practical design, fuel efficiency Design Origin: Often based on GM platforms, with design influences from Opel 📋 Manual Details Coverage Areas Manual Coverage Scope: Comprehensive workshop service and repair Page Count Estimated Page Count: Likely 1000+ pages (typical for full workshop manuals) Manual Type Manual Type: Workshop Service Repair Manual Language Language: English (typically) Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, block, pistons, crankshaft, camshaft, timing, lubrication, cooling Engine Management: Fuel injection system, ignition system, emission control, sensors, actuators, ECM/ECU diagnosis Transmission Manual: Clutch, gearbox, gears, shafts, synchronizers, shifter mechanism, overhaul Transmission Automatic: Torque converter, gearbox, hydraulic control, valve body, electronic controls, overhaul Drivetrain: Driveshafts, constant velocity joints, differential, final drive Suspension Front: MacPherson struts, control arms, springs, shock absorbers, steering knuckle, anti-roll bar Suspension Rear: Torsion beam or independent suspension (depending on specific variant), springs, shock absorbers, trailing arms Steering: Power steering system, steering column, steering rack/gearbox, tie rods, wheel alignment Brakes: Front disc brakes, rear drum or disc brakes, hydraulic system, ABS (if equipped), brake fluid, service and overhaul Wheels Tires: Wheel specifications, tire pressure, rotation, balancing, mounting Body Exterior: Body panels, doors, hood, trunk, bumpers, glass, trim, rust repair Body Interior: Seats, dashboard, door panels, headliner, carpets, trim panels, sound deadening Climate Control: HVAC system, heater core, evaporator, A/C compressor, refrigerant, blower motor, controls Electrical System Lighting: Headlights, taillights, interior lights, fog lights, bulb types, wiring diagrams Electrical System Instruments: Instrument cluster, gauges, warning lights, sensors for instruments Electrical System Audio: Radio, speakers, antenna, wiring Electrical System Accessories: Power windows, power locks, mirrors, sunroof, central locking, remote keyless entry Electrical System Battery Charging: Battery, alternator, starter motor, voltage regulator, wiring Safety Systems: Airbags, seatbelt pre-tensioners, ABS (if applicable), SRS system diagnosis Procedures Included Maintenance Procedures: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement Diagnostic Procedures: Troubleshooting common problems, interpreting diagnostic trouble codes (DTCs), using scan tools Repair Procedures: Component removal and installation, overhaul procedures, adjustments, calibrations Troubleshooting Charts: Systematic diagnostic flowcharts for various issues Wiring Diagrams: Detailed electrical circuit diagrams for all systems Torque Specifications: Precise torque values for critical fasteners Technical Depth Diagnostic Capability: Advanced diagnostics, including component testing and fault tracing Rebuild Procedures: Complete engine, transmission, and major component overhaul instructions Special Tools: Identification of and procedures for using specialized tools required for certain repairs 📊 Manual Specifications File Format File Type: Digital PDF Searchability: Likely text-searchable if produced from digital sources Print Quality Print Readability: Designed for clear printing of text and diagrams Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, SOHC or DOHC Engine Displacement: 1.5 Liters (approx. 1498 cc) Engine Code: F15S3 (common variant) Performance Horsepower: Approximately 75-90 HP (depending on specific engine tune and market) Torque: Approximately 120-130 Nm (depending on specific engine tune and market) Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) Fuel Type: Unleaded Gasoline Engine Management Ignition System: Electronic Ignition, Distributorless Ignition System (DIS) or Distributor-based 🔧 Transmission Standard Standard Transmission: 5-Speed Manual Transmission Optional Optional Transmission: 4-Speed Automatic Transmission Features Transmission Fluid Type: Dexron III or equivalent (for automatic); GL-4 or GL-5 gear oil (for manual) 📐 Dimensions Exterior Length: Approx. 4160 mm Width: Approx. 1660 mm Height: Approx. 1390 mm Wheelbase: Approx. 2470...