Positioning:
A practical and affordable supermini, the Citroën AX was a popular choice in the European market for its fuel efficiency and compact size. This manual caters to owners and independent mechanics seeking factory-level repair data.
Competitors:
Competed against models like the Peugeot 205, Renault 5/Supercinq, Ford Fiesta, Opel/Vauxhall Corsa, and Volkswagen Polo of the era.
Manual Value Proposition:
Provides access to the same diagnostic and repair information used by professional technicians, enabling significant cost savings on labor.
Manual Usability:
Features a numbered table of contents, detailed substeps, notes, cautions, warnings, and numbered instructions for clear, step-by-step guidance. Includes detailed illustrations, drawings, and photos for enhanced clarity.
Engine Service Repair:
Comprehensive coverage including troubleshooting, maintenance, and repair procedures for all engine variants.
Transmission Service Repair:
Detailed procedures for manual and automatic transmission systems, including clutch, gearbox, and drive axles.
Brake System:
Diagnosis, repair, and maintenance of hydraulic brake systems, including discs, drums, ABS (if applicable), and parking brake.
Wiring Diagram:
Includes detailed electrical wiring diagrams for various vehicle systems.
Electrical System:
Coverage of starting and charging systems, lighting, ignition, instrumentation, and accessory circuits.
Suspension:
Repair and maintenance of front and rear suspension components, including shock absorbers, springs, and control arms.
Periodic Lubrication:
Guidance on lubrication points, intervals, and fluid specifications.
Steering:
Diagnosis and repair of steering systems, including power steering (if equipped), tie rods, and steering column.
Cooling System:
Maintenance and repair of the cooling system, including radiator, thermostat, water pump, and coolant specifications.
Fuel Injection Fuel System:
Detailed information on fuel delivery, fuel injection systems (e.g., Bosch LE2-Jetronic, Magneti Marelli), fuel pump, injectors, and diagnostics.
Emission System:
Information related to emissions control systems, including catalytic converters, oxygen sensors, and EVAP (if applicable).
Heater Air Conditioner:
Repair and maintenance of HVAC systems, including blower motor, evaporator, condenser, and refrigerant handling.
Engine Control System:
Diagnostic procedures and component identification for the engine control unit (ECU) and associated sensors/actuators.
Chassis Body:
Procedures for body panel repair, chassis alignment, and structural components.
Restraint System:
Information on seat belts and airbag systems (if applicable), including inspection and replacement procedures.
Interior:
Procedures for interior trim removal, installation, and repair.
Differential Drive:
Service and repair of the differential and drive axles.
Axle:
Detailed procedures for axle maintenance and repair.
General Maintenance:
Routine maintenance tasks such as fluid checks, filter replacements, and inspections.
Troubleshooting:
Advanced troubleshooting guide with diagnostic flowcharts and symptom analysis.
Repair Rebuild Refurbish Restore:
Comprehensive guidance for all levels of repair, from minor fixes to complete vehicle restoration.
Diagnostics:
Detailed diagnostic procedures for all major vehicle systems.
Depth:
Factory-level technical information covering basic maintenance to complex component overhaul and system diagnostics.
Oil Change:
Typically every 10,000 - 15,000 km or 12 months, subject to driving conditions.
Timing Belt Replacement:
Critical maintenance item, typically every 80,000 - 120,000 km or 5-6 years for petrol engines (TU series), depending on specific engine and belt type.
Engine Oil Viscosity:
Commonly 10W-40 or 5W-40 API SG/SH or ACEA A2/A3, depending on engine and climate. Consult manual for specific engine.
Coolant Type:
Ethylene glycol based antifreeze, typically orange or pink coloured (e.g., PSA standard).
Brake Fluid:
DOT 3 or DOT 4.
Transmission Fluid:
Manual: API GL-4 SAE 75W-80 or 75W-90. Automatic: ATF DEXRON II/III.
Common Problems:
Rusting of sills and wheel arches, degradation of suspension bushings, cooling system leaks (heater matrix), ignition coil pack failures, carburetor or fuel injection issues, exhaust system corrosion.