Segment:
Executive Car / Large Family Car
Era:
Designed as a technological showcase for Citroën in the late 80s and early 90s.
Competitors:
Competed with vehicles like the BMW 5 Series, Mercedes-Benz E-Class, Audi 100/A6, and Peugeot 605.
Suspension:
Groundbreaking Hydractive 2 hydropneumatic suspension system offering exceptional ride comfort and handling adaptability.
Aerodynamics:
Highly aerodynamic design with a low drag coefficient (Cd) for its time.
Interior Design:
Distinctive, avant-garde interior design with unique controls and materials.
Safety:
Early adoption of advanced safety features, including ABS and reinforced safety cage.
Engine:
Covers all engine variants including petrol and diesel. Specifics for 2.0L (XU10J2), 2.1L TD (XUD11ATE), 3.0L V6 (PRV ZPJ/ZPJ2) engines.
Transmission:
Manual and Automatic transmissions. Detailed diagnostics, repair, and overhaul procedures.
Suspension:
Hydropneumatic suspension (Hydractive 2) system. Includes sphere maintenance, pressure regulation, height control, and component replacement.
Brakes:
Hydraulic system, ABS (Anti-lock Braking System) diagnostics and repair, component replacement (calipers, discs, lines, master cylinder).
Electrical System:
Complete electrical system schematics, wiring diagrams, component testing, fuse and relay locations, body control modules.
Bodywork:
Panel repair, door mechanisms, sunroof operation, trim removal and installation, corrosion prevention.
Cooling System:
Radiator, fans, thermostat, coolant types and capacities, bleeding procedures.
Fuel System:
Fuel injection systems (Bosch Motronic, Lucas), fuel pumps, injectors, fuel pressure testing, exhaust systems.
Steering:
Power steering system, steering rack, column, and universal joints.
HVAC:
Heating, Ventilation, and Air Conditioning system diagnostics and repair.
Routine Maintenance:
Oil changes, filter replacements, spark plug replacement, belt inspection and replacement, fluid level checks.
Troubleshooting:
Diagnostic flowcharts and symptom-based troubleshooting for common issues across all systems.
Engine Repair:
Engine overhaul, cylinder head removal and reassembly, piston and ring replacement, valve adjustments.
Transmission Repair:
Clutch replacement (manual), torque converter service (automatic), gearbox overhaul.
Suspension Repair:
Hydropneumatic sphere replacement, strut replacement, hydraulic fluid flushing and refilling, ride height adjustment.
Brake Repair:
Brake pad and disc replacement, caliper overhaul, hydraulic line bleeding, ABS sensor testing and replacement.
Electrical Diagnostics:
Testing of sensors, actuators, ECUs, wiring harness repair, component identification.
Body Panel Replacement:
Removal and installation of fenders, doors, hood, trunk lid, bumpers.
Interior Trim Removal:
Dash panel, door panels, headliner, seat removal and installation.
Depth:
Comprehensive, suitable for professional mechanics and advanced DIY enthusiasts. Covers everything from basic maintenance to complete component rebuilds and complex diagnostics.
Engine Options 1993:
2.0L (1998cc) XU10J2/S carburated/injection, 2.1L (2088cc) XUD11ATE turbodiesel, 3.0L (2963cc) PRV ZPJ V6 petrol.
Horsepower Xu10J2:
Approx. 115-130 PS (depending on injection/carburetion)
Torque Xu10J2:
Approx. 170-185 Nm
Horsepower Xud11Ate:
Approx. 109 PS
Torque Xud11Ate:
Approx. 245 Nm
Horsepower Zpj:
Approx. 167-190 PS (depending on variant)
Torque Zpj:
Approx. 235-270 Nm
Injection Systems:
Bosch Motronic MP3.1/MP5.1 (V6, Turbo Diesel), Lucas L-Jetronic (2.0L petrol variants).
Fuel Type:
Unleaded Petrol (RON 95/98), Diesel Fuel
ECU Models:
Bosch Motronic, Siemens
Transmission Options:
5-speed Manual, 4-speed Automatic (AL4/ZF variants)
Transmission Engagement:
Hydraulic clutch actuation (manual), electronic control (automatic).
Automatic Features:
Some models featured sport/economy modes on automatic transmissions.
Manual Transmission Fluid:
GL-4 SAE 75W-80 or 75W-90 (check specific model)
Automatic Transmission Fluid:
LT71141 or equivalent DEXRON III equivalent (check specific model)
Euro Ncap Rating:
Not applicable for this era's rating system, but designed with advanced safety features for its time.
ABS:
Standard on most models, Bosch ABS system.
Traction Control:
Optional on some higher-spec models.
Airbags:
Driver airbag standard, passenger airbag optional.
Body Structure:
Reinforced safety cage, deformable crumple zones.
Seatbelts:
Pre-tensioned seatbelts with load limiters.
Oil Change Interval:
Every 10,000 km or 12 months (whichever comes first).
Air Filter Replacement:
Every 20,000 km or 24 months.
Spark Plug Replacement:
Every 40,000 km for standard spark plugs, 80,000 km for long-life iridium plugs (if applicable).
Timing Belt Replacement:
Every 60,000 km or 5 years for petrol engines (XU10, ZPJ); 120,000 km or 7 years for diesel engines (XUD11ATE). Critical due to potential for interference engine damage.
Engine Oil Grade:
10W-40 or 5W-40 (synthetic recommended) API SG/SH or ACEA A2/A3
Engine Oil Capacity:
Approx. 4.5 - 5.5 litres (depending on engine)
Coolant Type:
Ethylene Glycol based antifreeze, long-life type, blue or green (PSA specification)
Hydropneumatic Fluid:
LHM Plus (Citroën Hydropneumatic Fluid) - Green colored fluid
Hydropneumatic System:
Leaking spheres, pump wear, height corrector faults, electrical system issues related to height sensors.
Electrical System:
Corrosion in connectors, failure of dashboard instruments, issues with central locking and alarm systems.
Engine Management:
Lambda sensor failures, idle control valve issues, ECU problems, particularly on early models.
Cooling System:
Radiator leaks, fan motor failure, thermostat housing leaks.
Body Rust:
Can be prone to rust in wheel arches, sills, and around the rear screen, especially in areas with winter salt use.
Citroen Legacy:
Citroën has a long history of innovation, particularly in suspension (2CV, DS, SM) and avant-garde design.
Xm Development:
Developed as the successor to the Citroën CX, building upon the brand's reputation for advanced technology and comfort.
Design Influence:
Designed by Bertone's Marcello Gandini, with a focus on aerodynamic efficiency and a distinctive 'jellybean' profile.
Production Years:
1989-2000
Manufacturing Locations:
Rennes-sur-Vellon, France
Model Variants:
XM, XM V6, XM Turbo D, XM Turbo CT (1993 facelift model).