🏷️ Basic Information Identification Make: Citroën Model: AX Year: 1990 Codes Platform Code: Type SA 👋 Introduction Market Position Target Audience: Vehicle owners, independent repair shops, and automotive enthusiasts seeking dealership-level repair information. Competitive Analysis Vs Generic Manuals: Vehicle-specific, factory-direct information, not generic DIY advice. Key Features Ease Of Use: Single PDF file, printable pages for garage use, searchable content. Content Type: Step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications. 📋 Manual Details Coverage Areas Primary Coverage: Complete Service and Repair for 1990 Citroën AX Model Variants Covered: All models and trim levels Page Count Estimated Page Count: Extensive (typical for factory service manuals, often 500+ pages) Manual Type Type: Factory Service & Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed repair, overhaul, and diagnostics for all engine components. Engine Control System: Ignition, fuel injection, emissions control, and sensor diagnostics. Fuel System: Fuel pump, injectors, lines, tank, and EVAP system service. Emission Control: Catalytic converter, EGR, PCV, and emissions-related sensor testing and repair. Cooling System: Radiator, thermostat, water pump, hoses, and fan diagnostics and replacement. Lubrication System: Oil pump, oil filter, oil pan, and lubrication circuit maintenance. Ignition Starting Charging: Spark plugs, ignition coils, distributor (if applicable), alternator, starter motor, and battery system. Automatic Transmission: Service, repair, and diagnostics for automatic transmissions (if applicable to 1990 models). Manual Transmission: Clutch service, transmission overhaul, and gear selection diagnostics. Suspension: Struts, shocks, springs, control arms, bushings, and alignment procedures. Steering: Steering rack, tie rods, power steering system (if equipped), and steering column. Brakes: Hydraulic system, disc/drum brakes, ABS (if equipped), parking brake, and brake fluid specifications. Electrical System: Wiring schematics, component testing, fuse/relay locations, lighting, and accessory circuits. HVAC: Air conditioning system, heater core, blower motor, and climate control diagnostics. Body Exterior: Doors, hood, trunk, bumpers, mirrors, glass, and exterior trim repair and replacement. Body Interior: Seats, dashboard, door panels, trim pieces, and interior accessory repair. Supplemental Restraint System: Airbag system (if equipped) diagnostics and component replacement. Multiplex Can Communication: Diagnostics for multiplex wiring systems (if applicable to 1990 models). Procedures Included Maintenance: Regular scheduled maintenance, fluid changes, filter replacements, and inspections. Diagnostics: Troubleshooting guides, symptom-based diagnosis, and fault code interpretation (if applicable). Repair: Step-by-step instructions for component removal, replacement, and adjustment for all systems. Rebuilding: Complete overhaul procedures for engines, transmissions, and major mechanical components. Wiring Schematics: Detailed electrical wiring diagrams for all vehicle systems. Technical Depth Depth: Comprehensive A-Z repair information, suitable for professional technicians and advanced DIYers. 📊 Manual Specifications File Format Compatibility: Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac compatible Requirements: Adobe PDF Reader and Winzip (free online) Print Quality Printable: Yes, all pages printable Image Enhancement: Ability to blow up images and print enlarged copies Binding Type Binding: Digital PDF (no physical binding) Paper Type Paper Type: Not applicable (digital format) ⚙️ Engine Specifications Primary Engine Engine Family Typical: PSA TU series (e.g., TU9, TU1, TU3) Performance Displacement Range Cc: 850cc to 1.4L (850, 954, 1124, 1360) Horsepower Range Ps: Approx. 35 PS to 75 PS (depending on engine and tuning) Fuel System Fuel Delivery Typical: Carburetor (early models) or Multi-Point Fuel Injection (MPI) Ignition System Typical: Distributor-based ignition or distributorless ignition system (DIS) 🔧 Transmission Standard Transmission Type Standard: 5-speed Manual Transaxle Optional Transmission Type Optional: 3-speed Automatic Transaxle (less common) Features Clutch Type: Hydraulically operated, single dry plate 📐 Dimensions Exterior Body Style: 3-door and 5-door hatchback Weights Curb Weight Kg Approx: 750 - 850 kg (depending on engine and equipment) 🛡️ Safety Features Ratings Euro Ncap Rating: Not applicable for 1990 models (Euro NCAP established later) Passive Features Seat Belts: Three-point front seat belts, two-point rear seat belts Body Structure: Reinforced safety cell with crumple zones 💡 Technology Features Infotainment Audio System: Basic AM/FM radio and cassette player (optional). Driver Assistance ABS: Optional on higher trims, but not standard. Connectivity Connectivity Features: None by modern standards. 🔧 Maintenance Service Intervals Oil Change Interval Km: Typically 7,500 - 10,000 km or 6-12 months Timing Belt Interval Km: Varies by engine, often around 60,000 - 80,000 km or 4-5 years (critical replacement item) Fluid Specifications Engine Oil Grade: API SF/SG, SAE 10W-40 or 5W-40 (refer to manual for exact spec) Coolant Type: Ethylene glycol based antifreeze, typically pink or blue (mix ratio 50/50) Brake Fluid Type: DOT 3 or DOT 4 Known Issues Common Wear Items: Clutch wear, suspension bushings, exhaust system components, ignition components. Engine Specific Concerns: Carburetor tuning, aging fuel injection components, timing belt integrity. 📚 Vehicle History Brand Heritage Citroen Design Philosophy: Known for innovative and often unconventional engineering and design. Model Evolution Ax Introduction: Launched in 1986 as a successor to the Citroën Visa and Axel. Production Production Period: 1986-1998 Manufacturing Location: Citroën plants, primarily in France. 🏆 Awards & Recognition...