Segment:
Compact family hatchback/estate, known for its innovative hydropneumatic suspension and distinctive styling.
Competitors:
Ford Escort, Volkswagen Golf, Peugeot 309, Fiat Tipo, Opel Kadett.
Unique Selling Points:
Citroen's signature hydropneumatic suspension offering unparalleled ride comfort and self-levelling capability, aerodynamic design, spacious interior for its class.
Manual Benefit:
Enables owners to maintain and repair their Citroen BX efficiently, saving on labor costs and ensuring longevity, with detailed instructions and diagrams.
Engine Systems:
Engine mechanical (all variants), fuel system (injection and carbureted), ignition system, cooling system, lubrication system, exhaust system, emissions control.
Transmission Systems:
Manual transmission (including clutch), automatic transmission (where applicable).
Chassis Systems:
Hydropneumatic suspension system (front and rear), braking system (including ABS if equipped), steering system, wheel alignment.
Electrical Systems:
Wiring diagrams, lighting system, ignition, starting system, charging system, instrumentation, body electricals, fuse and relay locations, diagnostic procedures.
Body And Interior:
Body panel repairs, interior trim, doors, windows, sunroof, seats, HVAC system (heating, ventilation, and air conditioning).
Power Steering:
Hydraulic power steering system, including pump, steering rack, and fluid lines.
Maintenance:
Scheduled maintenance, fluid changes (oil, coolant, brake fluid, hydraulic fluid), filter replacements, tune-ups, basic inspections.
Troubleshooting:
Diagnostic charts and procedures for common and complex issues across all vehicle systems.
Repair:
Step-by-step instructions for component removal, repair, and installation, including major overhauls.
Technical Data:
Torque specifications, clearances, testing procedures, diagnostic codes, and specifications for all major components.
Suspension Servicing:
Detailed procedures for servicing the hydropneumatic suspension, including sphere replacement, hydraulic fluid replacement, pressure regulation, and height adjustment.
Brake Servicing:
Front brake pad and disc replacement, rear brake shoe and drum servicing, brake fluid bleeding, ABS system diagnostics (if applicable).
Fuel System Servicing:
Carburetor adjustment and overhaul, fuel injector cleaning and testing, fuel pump replacement, fuel filter replacement.
Ignition System Diagnostics:
Spark plug replacement, ignition coil testing, distributor maintenance (on older models), electronic ignition system troubleshooting.
Depth:
Comprehensive from basic owner-level maintenance to advanced engine rebuilds and electrical diagnostics, suitable for professional mechanics and experienced DIY enthusiasts.
Engine Options:
1.1L (TU1), 1.4L (TU3/XV8), 1.6L (XY6/XY8/XU5), 1.9L (XU9, including D and TD variants).
Horsepower Range:
Approx. 55 hp (1.1L) to 125 hp (1.9L GTI).
Torque Range:
Approx. 85 Nm (1.1L) to 170 Nm (1.9L GTI).
Fuel Delivery:
Carburetor (e.g., Weber 34 DAT), Single-point injection (SPI), Multi-point injection (MPI), Diesel injection (indirect).
Common Petrol Codes:
TU1, TU3, XU5, XU7, XU9J2, XU9JA.
Common Diesel Codes:
XU9D, XUD7, XUD9.
Euroncap Era:
Data not readily available for this era's specific Euro NCAP testing, but safety was a consideration.
Braking System:
Hydraulic, dual-circuit, front disc brakes, rear drum brakes. Optional ABS on later/higher trims.
Suspension Benefits:
Hydropneumatic suspension provides excellent stability and handling characteristics.
Seatbelts:
Standard seatbelts, with pre-tensioners on some later models.
Body Structure:
Reinforced safety cage and crumple zones designed according to contemporary safety standards.
Audio System:
Factory fitted radio cassette players, often with basic EQ or amplifier options. Aftermarket upgrades common.
Instrumentation:
Analog gauges for speed, RPM, fuel, temperature. Warning lights for various systems. Some models featured digital clock/trip computer.
ABS:
Anti-lock Braking System available as an option on higher trim levels and later models.
Connectivity Features:
Basic at best; primarily focused on core vehicle functions. No built-in Bluetooth or USB connectivity from factory.
Oil Change Interval:
Typically 5,000-10,000 km or 6-12 months, depending on driving conditions and oil type used (refer to manual for specific recommendations).
Timing Belt Interval:
Recommended replacement interval for XU engines is typically 80,000-120,000 km or 5-6 years; TU engines may differ. Crucial to follow manual.
Engine Oil Spec:
API SG/SH or ACEA A2/A3, viscosity typically 10W-40 or 5W-40 depending on climate and engine type. Consult manual for precise grades.
Hydraulic Fluid Spec:
Citroen LHM Plus (Green fluid) for hydropneumatic suspension and power steering. Crucial to use correct type to avoid system damage.
Coolant Spec:
Ethylene glycol based antifreeze/coolant, typically a 50/50 mix with distilled water. Specific colour may vary by formulation but anti-corrosion properties are key.
Common Wear Items:
Hydropneumatic spheres, suspension height correctors, front strut mounts, exhaust system components, clutch hydraulics, electrical connectors can corrode.
Engine Specific Concerns:
Carburetor wear (fuel economy/starting issues), head gasket leaks on some XU engines, diesel pump issues on older diesels.
Electrical Gremlins:
Can be susceptible to minor electrical issues due to age and connector corrosion, particularly in damp climates.
Manufacturer Legacy:
Citroen, known for automotive innovation, avant-garde design, and comfort-focused engineering (e.g., Traction Avant, DS, SM).
Generations:
Two main generations: Series 1 (1982-1987) and Series 2 (1987-1994), with styling updates and mechanical revisions.
Production Period:
1982-1994.
Manufacturing Locations:
France (Aulnay-sous-Bois), UK (Ryton-on-Dunsmore), also assembled in other countries.