Original Market Position:
The Citroën BX was a distinctive and innovative vehicle in the European compact car segment, known for its hydropneumatic suspension and aerodynamic styling, competing with models like the Ford Escort, Volkswagen Golf, and Peugeot 309.
Differentiation:
The BX's primary differentiator was its hydropneumatic suspension, offering superior ride comfort and handling compared to conventional coil-sprung vehicles of its era. Its unique 'fastback' styling also set it apart.
Handling And Ride:
Exceptional ride comfort and self-leveling capability due to hydropneumatic suspension.
Aerodynamics:
Sleek, aerodynamic design contributing to fuel efficiency and stability.
Interior Space:
Surprisingly spacious interior for its exterior dimensions.
Target Audience:
Professional technicians, experienced DIY mechanics, and owners seeking to maintain and repair their BX.
Benefits:
Empowers owners to understand and perform maintenance and repairs, saving costs and ensuring proper vehicle upkeep. Provides factory-level information.
Primary Coverage:
Mechanical and Electrical Systems, Bodywork, Maintenance, Repair
Specific Engine Variants:
Covers various petrol and diesel engine options available for the 1989 model year.
Trim Levels:
Generally covers all standard trim levels unless specific exceptions are noted.
Estimated Page Count:
Varies based on specific edition; typically 300-700 pages for a comprehensive factory service manual
Type:
Repair Service Manual / Workshop Manual
Delivery Method:
Instant Download
Engine:
Detailed diagnostics, disassembly, assembly, timing, cooling, lubrication, fuel, ignition systems.
Transmission:
Manual and Automatic transmission overhaul, clutch, driveshafts, differential.
Suspension:
Citroën's renowned hydropneumatic suspension system, including spheres, pumps, fluid, height correctors, front and rear suspension components.
Brakes:
Hydraulic system, front and rear disc brakes, handbrake, brake fluid specifications and bleeding procedures.
Electrical:
Wiring diagrams, lighting, starting system, charging system, ignition, instruments, accessories, fuse/relay identification.
Steering:
Power steering system, steering rack, steering column.
Bodywork:
Body panel removal and installation, door mechanisms, interior trim, glass, seals.
HVAC:
Heating, ventilation, and air conditioning (if equipped) system components and service.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, lubrication points.
Disassembly Assembly:
Step-by-step instructions for component removal and reinstallation.
Troubleshooting:
Diagnostic procedures for common problems, fault finding charts.
Repair:
Detailed repair instructions for all major systems.
Cleaning:
Component cleaning procedures before reassembly.
Depth:
Comprehensive, covering both routine maintenance and complex repair and overhaul procedures, suitable for professional technicians and advanced DIYers.
Engine Options 1989:
Likely includes petrol engines such as the 1.4L (TU3), 1.6L (XU5), and 1.9L (XU9) variants, and potentially diesel engines like the 1.8L (XUD7) or 1.9L (XUD9).
Horsepower Torque 1989:
Varies significantly by engine. For example, the 1.9L petrol (XU9) might produce around 105-110 PS. Specific figures require consultation with the manual's detailed specifications for each engine type.
Fuel Delivery:
Carburetor (e.g., Solex) or Bosch L-Jetronic fuel injection, depending on the engine variant and market.
Ignition System:
Electronic ignition system, potentially with distributor or distributorless ignition (DIS) on later models/engines.
Cylinder Block Material:
Cast iron
Cylinder Head Material:
Aluminum alloy
Transmission Type Standard:
5-speed manual transmission
Transmission Type Optional:
3-speed or 4-speed automatic transmission (e.g., ZF 3HP22 or Peugeot's automatic)
Clutch Type:
Hydraulically operated single dry plate clutch for manual transmissions.
Gear Ratios:
Specific gear ratios for each transmission and engine variant are detailed within the manual.
Manual Transmission Fluid:
Typically API GL-4, SAE 75W-90 or 80W-90 gear oil. Manual will specify exact type and capacity.
Automatic Transmission Fluid:
Specific ATF type (e.g., Dexron II or equivalent) depending on the automatic gearbox manufacturer. Manual will specify exact type and capacity.
Length:
Approx. 4250 mm (167.3 in)
Width:
Approx. 1650 mm (65.0 in)
Height:
Approx. 1350 mm (53.1 in) (varies with suspension height setting)
Curb Weight:
Approx. 1050-1200 kg (2315-2646 lbs), depending on engine and equipment.
Crash Test Results:
European crash test data from the era; specific ratings for 1989 models are often less standardized than modern tests. The manual will detail safety systems.
Braking System:
Front ventilated disc brakes, rear solid disc brakes. Power assisted with a dual-circuit hydraulic system.
Seat Belts:
Standard front seat belts, rear seat belts fitted depending on market and trim level.
Body Structure:
Designed with crumple zones for energy absorption.
Radio System:
Basic AM/FM radio and cassette player, often optional or dealer-fitted. Speaker locations and wiring are covered in the electrical section.
Instrument Cluster:
Features include speedometer, tachometer (on some variants), fuel gauge, coolant temperature gauge, and warning lights for various systems.
Lighting Controls:
Manual headlight beam adjustment (though some models may have self-leveling linked to suspension), interior lighting controls.
Oil Change Interval:
Typically every 5,000 - 7,500 miles (8,000 - 12,000 km) or 6-12 months, depending on driving conditions. Manual will provide precise intervals.
Major Service Interval:
Spark plug replacement, timing belt inspection/replacement (if applicable to the engine), and other major checks typically around 30,000 - 60,000 miles (50,000 - 100,000 km). Manual is essential for accurate timing.
Engine Oil Type:
Varies by engine; commonly 10W-40 or 15W-50, API SF/SG rated. Manual will specify exact grade and capacity.
Coolant Type:
Ethylene glycol based antifreeze, typically mixed 50/50 with distilled water. Manual will specify type and capacity.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic fluid. Manual will specify exact type and capacity for the LHM (Hydraulic Fluid) used in the suspension and brakes.
Hydropneumatic Suspension:
Common issues can include leaks in hoses, failing suspension spheres (requiring repressurization or replacement), pump wear, and worn anti-roll bar links. Proper diagnosis is crucial.
Electrical Systems:
Aging wiring, particularly earth points and connections, can lead to intermittent electrical faults. Fuse box issues are also possible.
Rust Corrosion:
Common in older vehicles, particularly in wheel arches, sills, and around windows. Bodywork checks are important.
Engine Timing Belt:
Critical for interference engines; failure can cause severe engine damage. Regular replacement per manufacturer recommendations is vital.
Citroen Innovation:
Citroën has a long history of pioneering automotive technology, particularly in suspension (e.g., Traction Avant, DS) and front-wheel drive.
Bx Development:
Developed by Citroën as a successor to the GS/GSA and Dyane, aiming for a more modern and spacious design with advanced technology.
Bx Production Run:
Produced from 1982 to 1994. The 1989 model represents a mid-cycle iteration, potentially with minor styling or mechanical updates.
Manufacturing Locations:
Primarily manufactured in France (Citroën plants) and also produced under license in other countries.