🏷️ Basic Information Identification Make: Citroën Model: AX Year: 1990 Product Type: Service Repair Workshop Manual 👋 Introduction Market Position Target Audience: Citroën AX owners with basic to advanced mechanical skills, independent repair professionals, and dealerships. Competitive Analysis Value Proposition: Provides dealer-level technical information, enabling cost savings on repairs and maintenance, and empowering informed vehicle discussions. Key Features Manufacturer Provided: Written by the manufacturer, ensuring accuracy and comprehensiveness. Visual Aids: Includes diagrams, illustrations, and wiring schematics for clarity. Diagnostic Capability: Facilitates accurate diagnosis and troubleshooting of vehicle issues. 📋 Manual Details Coverage Areas Languages: English Page Count Estimated Page Count: Refer to actual manual for exact count; typically extensive for workshop manuals. Manual Type Type: Workshop Manual / Service Manual / Repair Manual Format File Format: PDF Digital Compatibility: PC, Mac, Tablets, Smartphones, E-readers (e.g., Kindle) Print Options Printable: Yes, all pages 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed overhaul, component inspection, and assembly of engine internals. Engine Electrical: Ignition system, starting system, charging system, sensors, and actuators. Emission Control: Catalytic converter, exhaust gas recirculation (if applicable), and emissions-related components. Fuel System: Carburetor (if applicable) or fuel injection system, fuel pump, lines, and filters. Clutch System: Clutch assembly, release bearing, hydraulic components, and adjustment. Manual Transaxle: Gearbox overhaul, component replacement, and shift linkage. Automatic Transaxle: If equipped, overhaul, component identification, and fluid service. Driveshaft Axle: CV joints, drive shafts, axle seals, and bearings. Suspension System: Struts, shock absorbers, control arms, bushings, springs, and wheel alignment. Steering System: Steering rack, tie rods, power steering (if equipped), and column components. Restraint System: Seat belts, SRS airbag system (if equipped), and related components. Brake System: Hydraulic system, disc/drum brakes, ABS (if equipped), and parking brake. Body Interior Exterior: Panels, doors, trim, upholstery, glass, and seals. Body Electrical: Lighting, wipers, horn, power windows/locks, instrument cluster, and audio. HVAC: Heating, ventilation, and air conditioning system components and service. Procedures Included Diagnostics Troubleshooting: Step-by-step troubleshooting guides for common and complex issues. Maintenance: Routine servicing such as oil changes, filter replacements, and fluid checks. Repair Overhaul: Detailed instructions for component removal, repair, and reinstallation. Wiring Schematics: Comprehensive electrical diagrams for all vehicle systems. Technical Specifications: Torque values, clearances, fluid types, and other critical data. Technical Depth Depth: Comprehensive, covering basic maintenance to full engine and transmission rebuilds. 📊 Manual Specifications File Format Quality: High-quality PDF with clear text and images/diagrams. Print Quality Printability: Designed for clean and clear printing of individual pages or sections. Binding Type Digital Binding: N/A (Digital PDF format) Paper Type Digital Paper Simulation: N/A (Digital PDF format, pages can be printed on any paper type). ⚙️ Engine Specifications Primary Engine Engine Options 1990: Likely includes 1.0L (TU9), 1.1L (TU1), 1.3L (TU2), and potentially a 1.4L diesel (XUD3). Specific engine codes and variants would be detailed within the manual. Performance Hp Range: Varies by engine, typically from 45-65 hp for petrol variants, and around 55 hp for diesel. Consult manual for precise figures. Torque Range: Varies by engine, generally 70-100 Nm. Consult manual for precise figures. Fuel System Fuel Delivery: Could be carbureted (e.g., Solex, Weber) or early single-point/multi-point fuel injection depending on engine and market. Manual will specify. 🔧 Transmission Standard Transmission Type Standard: Manual Transaxle (typically 4-speed or 5-speed). Optional Transmission Type Optional: Automatic Transaxle (less common on early AX models). Features Clutch Type: Single dry plate, hydraulically operated. 📐 Dimensions Exterior Length Approx: ~3.5m Width Approx: ~1.6m Height Approx: ~1.35m Weights Curb Weight Approx: ~700-800 kg (depending on engine and trim). 🛡️ Safety Features Ratings Euro Ncap Rating: Not applicable for 1990 models; early safety standards. Manual will cover design safety features. Active Features Active Safety Features: Four-wheel independent suspension, effective braking system. Passive Features Passive Safety Features: Seat belts (likely manual front, optional rear), energy-absorbing steering column. 💡 Technology Features Infotainment Infotainment Features: Basic AM/FM radio, cassette player (optional). Limited by the era. Driver Assistance Driver Assistance Features: None in the modern sense. Focus on core driving mechanics. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 10,000-15,000 km or 6-12 months. Consult manual for exact specification. Spark Plug Replacement: Varies by plug type, often around 20,000-40,000 km. Manual will specify. Fluid Specifications Engine Oil Viscosity: Likely 10W-40 or 15W-40 API SG/SH specification. Manual is the definitive source. Coolant Type: Ethylene glycol based antifreeze, typically mixed 50/50 with distilled water. Brake Fluid Type: DOT 3 or DOT 4. Manual will confirm specific type and replacement interval. Known Issues Common Problems 1990 Ax: Potential for carburettor issues (if equipped), aging suspension bushings, minor electrical gremlins due to age, and rust in common areas. Manual will assist in diagnosis and repair. 📚 Vehicle History Brand Heritage Citroen Philosophy: Citroën's history of innovative design and compact, efficient vehicles. Model Evolution Ax Introduction: The AX was introduced in 1986 as a replacement for the...