🏷️ Basic Information Identification Make: Citroën Model: AX Model Years Covered: 1987-1997 Production Status: Discontinued Generation Generation Code: First Generation (ZA/ZY) Codes Body Styles: 3-door hatchback, 5-door hatchback 👋 Introduction Market Position Vehicle Segment: Subcompact / Supermini Target Audience: Owners and independent repair shops seeking detailed, factory-level repair information Competitive Analysis Comparable Vehicles: Peugeot 205, Renault 5, Ford Fiesta, Volkswagen Polo Key Features Manual Advantage: Vehicle-specific, factory-level detail, user-friendly digital format, extensive coverage of all models and engines. 📋 Manual Details Coverage Areas Engine Overhaul: Included Brakes: Included Sunroof: Included Timing Belt Replacement: Included Trouble Codes: Included Wiring Diagrams: Included Troubleshooting Diagnostics: Included Computer Diagnostic Trouble Tree Charts: Included Engine Performance: Included Front End Alignment: Included Suspension: Included Transmission Removal Installation: Included Air Conditioning Service: Included Transmission In Car Servicing: Included Computer Diagnostic Codes: Included Firing Orders: Included Detailed Specifications: Included for all models Factory Maintenance Schedules: Included Serpentine Belt Routings: Included with diagrams Timing Belt Service Procedures: Included Brake Servicing Procedures: Included Driving Concerns: Included Torque Specifications: Complete U Joint Cv Joint Service: Included Repair Procedures: All Vacuum Diagrams: Included Illustrations: Hundreds Page Count Page Count: Not specified (implies comprehensive) Manual Type Manual Type: Complete Service and Repair Manual Language Language: English Format Format: PDF Downloadable: Yes (Instant Download) Compatibility: All Windows versions (XP to Vista 32/64-bit), Mac Requirements: Adobe PDF Reader, WinZip Zoom Functionality: Yes Printability: All pages printable 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel System, Cooling System, Exhaust System, Transmission Chassis: Suspension (Front & Rear), Steering, Brakes, Wheels & Tires Electrical: Ignition System, Lighting, Instrumentation, Audio System, Wiring Harnesses, ECU Body And Interior: Body Panels, Doors, Windows, Seats, Sunroof, HVAC (Air Conditioning) Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks, spark plug replacement, belt adjustments Component Repair: Engine rebuild, transmission overhaul, brake caliper replacement, suspension linkage repair Diagnostic Procedures: Trouble code interpretation, component testing, circuit tracing Installation Replacement: Timing belt, water pump, clutch assembly, CV joints, shock absorbers Technical Depth Depth: Comprehensive, covering all aspects from basic maintenance to complete engine and transmission overhauls, including detailed diagnostics and electrical schematics. 📊 Manual Specifications File Format File Type: Digital (PDF) Accessibility: Instant download, accessible on multiple devices Print Quality Print Resolution: High resolution, suitable for printing individual pages or sections Binding Type Binding: Not applicable (Digital Format) Paper Type Paper Quality: Not applicable (Digital Format, printable on demand) ⚙️ Engine Specifications Primary Engine Engine Variants: TU (TU9, TU1, TU3, TU5) and XU (XUD7, XUD9) diesel engines, as well as the older PSA ET engine in early models. Performance Horsepower Range: Approximately 45 hp (1.0L) to 95 hp (1.4L GT/GTI), and diesel variants. Fuel System Fuel Delivery: Carbureted (early models), Single-point Fuel Injection (SPI), Multi-point Fuel Injection (MPI) depending on engine and model year. Engine Management ECU Systems: Various Bosch, Siemens, or Magneti Marelli ECUs with diagnostic capabilities. 🔧 Transmission Standard Gearbox Type: 5-speed manual transaxle (common), 4-speed automatic (less common, usually on larger engine variants). Optional Automatic Transmission: Available on select models and engine configurations. Features Clutch Type: Dry single-plate clutch, hydraulically actuated. 📐 Dimensions Exterior Length: Approx. 3,650 mm (depending on model) Width: Approx. 1,600 mm (depending on model) Height: Approx. 1,350 mm (depending on model) Weights Curb Weight: Approx. 700-850 kg (depending on engine and equipment) 🛡️ Safety Features Ratings Crash Test Results: Euro NCAP (early era), generally considered basic safety for its time. Specific ratings vary by test methodology and year. Active Features Braking System: Front discs, rear drums; ABS available on later/higher trim models. Passive Features Airbags: Driver airbag available on later models, passenger airbag less common. Seatbelts: Pre-tensioner seatbelts on front seats (later models). 💡 Technology Features Infotainment Audio System: Factory fitted radio cassette player with 2-4 speakers, basic tuning and volume controls. Driver Assistance ABS: Optional on higher trim levels and later models. Connectivity External Ports: Not applicable for the era (no USB, Bluetooth, etc.). 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000-15,000 km or 1 year, refer to manual for specific engine type. Timing Belt Interval: Critical: typically 60,000-90,000 km or 4-5 years, depending on engine. Failure can cause severe engine damage. Fluid Specifications Engine Oil: API SF/SG/SH, ACEA A2/A3. Viscosity typically 10W-40 or 5W-40. Consult manual for exact specification based on engine and climate. Coolant: Ethylene glycol based antifreeze. Mix 50/50 with distilled water. Specific colour/type may vary; consult manual. Brake Fluid: DOT 3 or DOT 4. Transmission Fluid: Manual: GL-4 SAE 75W-80 or 75W-90. Automatic: ATF Dexron II/III equivalent. Consult manual for exact type and capacity. Known Issues Common Problems: Corrosion (especially wheel arches, sills), electrical gremlins (e.g., dashboard lights, central locking), radiator leaks, carburetor issues (early models), worn suspension bushings, timing belt failure if not replaced on schedule. 📚 Vehicle History Brand Heritage Citroen Philosophy: Known for innovative design, advanced suspension (though...