The Nubira, specifically the J100 generation, represents a compact family car offered from 1997 to 1999. Styled by Giorgetto Giugiaro, this vehicle was developed on the GM Opel Astra (F) platform and available in sedan, hatchback, and station wagon body styles. It aimed to provide budget-conscious buyers with practical transportation, featuring a value proposition centered on affordable pricing and straightforward mechanics. Powered by GM-derived Ecotec engines, with displacements typically ranging from 1.6 to 2.0 liters, the Nubira offered competitive performance for its segment, complemented by either a 5-speed manual or an optional 4-speed automatic transmission. This comprehensive workshop service manual provides detailed information for the maintenance, repair, and troubleshooting of the Nubira (J100) models from 1997-1999. Covering a vast array of systems including powertrain, drivetrain, chassis, and electrical components, this manual details scheduled maintenance, tune-up procedures, and in-depth repair operations. It also includes diagnostic flowcharts, wiring diagrams, and specific procedures for component testing and rebuilding. With over 1500 pages of English-language content, this manual is an essential resource for owners and technicians seeking to ensure the longevity and optimal performance of their vehicle. 🏷️ Basic Information Identification Make: Daewoo Model: Nubira Model Years Covered: 1997, 1998, 1999 Generation Generation Designation: J100 Codes Chassis Code: J100 👋 Introduction Market Position Segment: Compact/Small Family Car Target Audience: Budget-conscious buyers seeking practical transportation Competitive Analysis Key Competitors: Chevrolet Cavalier, Ford Escort, Toyota Corolla, Honda Civic, Hyundai Elantra Key Features Body Styles: 4-door Sedan, 5-door Hatchback, 5-door Station Wagon Value Proposition: Affordable pricing, decent interior space, and straightforward mechanicals 📋 Manual Details Coverage Areas Main Regions Covered: Global (Focus on markets where Nubira was sold, including North America, Europe, Asia) Page Count Estimated Page Count: 1500+ Manual Type Manual Category: Workshop Service Manual Language Primary Language: English Format Delivery Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, Engine control (ECM), Fuel system, Ignition system, Exhaust system, Cooling system Drivetrain: Manual transmission, Automatic transmission, Clutch system, Driveshafts, Differentials Chassis: Suspension (front and rear), Steering system, Braking system (ABS optional) Electrical: Body electrical systems, Powertrain electrical, Lighting, Instrumentation, Audio system, Power accessories Body And Frame: Body construction, Exterior panels, Interior trim, Doors, Hood, Trunk, Glass, Seats Procedures Included Maintenance Tasks: Scheduled maintenance (oil changes, filter replacements, fluid checks), Tune-up procedures, Belt replacement, Spark plug replacement Repair Operations: Engine overhaul, Transmission rebuild, Brake caliper replacement, Strut replacement, Radiator replacement, Alternator/starter replacement Diagnostics: Troubleshooting guides, Symptom-based diagnostics, Diagnostic Trouble Codes (DTCs), Wiring diagrams for electrical fault finding Special Procedures: Torque specifications, Lubrication points, Jacking and lifting points, Wheel alignment procedures, Air conditioning system servicing Technical Depth Diagnostic Capabilities: Detailed diagnostic flowcharts, component testing procedures, electrical system troubleshooting using wiring diagrams Rebuild Information: Complete engine and transmission rebuilding procedures, including tolerances, clearances, and assembly sequences Structural Repairs: Information on body repair, panel replacement, and frame straightening (limited detail expected) 📊 Manual Specifications File Format PDF Standard: Standard PDF Searchability: Searchable text content for efficient information retrieval Print Quality Digital Quality: High-resolution scans of original documentation, ensuring clarity of text and diagrams Binding Type Digital Binding: N/A (Digital Download) Paper Type Digital Paper Equivalent: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Family: Ecotec (GM-derived) Engine Code Example: T18SED (1.8L DOHC) Displacement Liters: 1.6, 1.8, 2.0 (depending on market and trim) Performance Horsepower Range: Approximately 100-120 hp Torque Range: Approximately 110-130 lb-ft Fuel System Injection Type: Multi-point Fuel Injection (MPI) Fuel Type: Unleaded Gasoline 🔧 Transmission Standard Standard Transmission Type: 5-speed Manual Optional Optional Transmission Type: 4-speed Automatic Features Automatic Features: Electronically controlled, Lock-up torque converter 📐 Dimensions Exterior Wheelbase Mm: 2570 Length Mm Sedan: 4425 Width Mm: 1710 Height Mm Sedan: 1415 Interior Passenger Volume Liters: Approximately 2700 Cargo Trunk Volume Liters Sedan: Approximately 400 Weights Curb Weight Kg Sedan: 1150-1250 🛡️ Safety Features Ratings NHTSA Front Impact Driver: Likely 3 or 4 stars (typical for era, no specific record found for this model) IIHS Side Impact: Likely Acceptable or Marginal (no specific record found for this model) Active Features ABS Availability: Optional on higher trims Passive Features Airbags Standard: Driver and passenger front airbags Seatbelts: Front 3-point, Rear 3-point and lap belts 💡 Technology Features Infotainment Audio System: Factory fitted radio with cassette player and optional CD player Speakers: Typically 4 speakers (optional 6) Driver Assistance Cruise Control: Optional on higher trim levels Connectivity Auxiliary Input: Not standard, aftermarket solutions may exist 🔧 Maintenance Service Intervals Oil Change Interval Km: 7,500 - 10,000 km (or 6 months, whichever comes first) Air Filter Replacement Km: 20,000 - 30,000 km Spark Plug Replacement Km: 60,000 - 100,000 km (depending on plug type) Fluid Specifications Engine Oil Type: API SG/SH or ACEA A2/A3, SAE 10W-30 or 10W-40 (check manual for specific climate recommendations) Coolant Type: Ethylene Glycol based, OAT or HOAT (Orange/Pink/Red or Yellow/Green) Transmission Fluid Manual:...