Positioning:
Executive car, known for innovative hydropneumatic suspension and distinctive styling. Positioned as a comfortable and technologically advanced vehicle for its era.
Competitors:
Competed with vehicles such as the BMW 5 Series, Mercedes-Benz E-Class, Audi A6, and Jaguar XJ.
Suspension:
Citroën's proprietary Hydractive suspension system, offering exceptional ride comfort and adjustable ride height.
Styling:
Avant-garde, aerodynamic design by Marcello Gandini, featuring a distinctive slanted rear and unique front styling.
Innovation:
Incorporated advanced electronic systems, including an anti-lock braking system (ABS), and in later models, traction control.
Powertrain:
Engine mechanical, fuel system, lubrication, cooling system, exhaust system, engine management systems (ECU, sensors), ignition system
Transmission:
Manual and Automatic Transmission overhaul, clutch, driveline, driveshafts, differential
Chassis And Suspension:
Hydropneumatic suspension (Hydractive/Hydraquip), steering system, braking system (including ABS), wheel alignment
Electrical System:
Wiring diagrams, battery, charging system, starting system, lighting, instruments, infotainment, comfort features (HVAC, power accessories), diagnostic connectors and procedures
Body And Interior:
Body shell repair, body panels, doors, windows, interior trim, seats, airbags, body hardware
Maintenance:
Routine maintenance checks, oil changes, filter replacements, fluid checks and top-ups, spark plug replacement, belt inspection and replacement
Repair And Overhaul:
Engine rebuild, cylinder head removal/refitting, transmission overhaul, suspension component replacement, brake caliper overhaul, electrical component diagnosis and repair
Diagnostics And Troubleshooting:
Fault finding charts, diagnostic codes (OBD-I/OBD-II depending on specific systems), common problems and solutions
Component Replacement:
Detailed step-by-step instructions for replacing major components like alternators, starters, water pumps, fuel pumps, shock absorbers, CV joints, etc.
Depth:
Comprehensive coverage from basic maintenance to advanced mechanical and electrical diagnostics and repairs. Includes detailed torque specifications, clearances, and troubleshooting flowcharts.
Engine Code Examples:
XUD11BTE (2.1 TD), PRV V6 ES9J4 (3.0 V6), EW10J4 (2.0i 16V - later models, less common for '99)
Displacement Range:
2.0L, 2.1L, 3.0L
Horsepower Range:
Approx. 110 hp (2.1 TD) to 190 hp (3.0 V6)
Torque Range:
Approx. 250 Nm (2.1 TD) to 267 Nm (3.0 V6)
Petrol Injection Type:
Multi-point fuel injection (MPI) or Electronic Fuel Injection (EFI)
Diesel Injection Type:
Direct injection, Turbocharged, Intercooled (TDI)
ECU Type:
Bosch Motronic, Siemens, or Magneti Marelli ECUs depending on engine variant
Length:
Approx. 4,784 mm (188.3 in)
Width:
Approx. 1,826 mm (71.9 in)
Height:
Approx. 1,387 mm (54.6 in)
Wheelbase:
Approx. 2,850 mm (112.2 in)
Curb Weight Range:
Approx. 1,550 kg - 1,700 kg (3,417 - 3,748 lbs)
Boot Capacity:
Approx. 550 liters (19.4 cu ft)
Euro Ncap Rating:
N/A for 1999 model year, but later models had moderate ratings.
ABS:
Standard on most models, part of the ABS-ABS integrated braking system.
Traction Control:
Optional on some higher-spec models.
Airbags:
Driver and front passenger airbags standard on most variants, side airbags optional or standard on later models.
Seatbelts:
Pre-tensioning front seatbelts
Body Structure:
Reinforced safety cell structure
Audio System:
Factory fitted radio/cassette player with amplifier, often with steering wheel mounted controls.
Navigation:
Optional satellite navigation system on later models.
Cruise Control:
Available on many models.
Parking Assistance:
Rear parking sensors were an option on later models.
Diagnostic Interface:
OBD-II compliant connector, though earlier implementations can be proprietary.
Oil Change Interval:
Every 15,000 km (9,300 miles) or 12 months, whichever comes first.
Timing Belt Replacement:
Every 90,000 km (56,000 miles) or 5 years for petrol engines, or 120,000 km (75,000 miles) or 5 years for diesel engines (refer to specific engine variant).
Hydropneumatic Fluid Change:
Every 60,000 km (37,000 miles) or 4 years.
Engine Oil Type:
API SG/SH or ACEA A2/A3, viscosity typically 10W-40 or 5W-40 (refer to specific engine manual).
Hydropneumatic Fluid:
LHM Plus (Citroën Hydaulic Fluid Green)
Brake Fluid Type:
DOT 3 or DOT 4 for conventional braking circuits (if applicable), LHM Plus for hydropneumatic braking.
Coolant Type:
Ethylene glycol based coolant with anti-corrosion additives, typically pink or blue.
Hydropneumatic System:
Leaking spheres, worn suspension lines, pump wear, height corrector faults.
Electrical Gremlins:
Various electrical faults can occur due to wiring degradation, body control module (BCM) issues, and sensor failures.
Engine Issues:
PRV V6 engine can have head gasket issues; turbocharger seals on diesel models can fail.
Door Seals:
Degradation of door seals leading to water ingress.
Citroen Innovation:
Citroën has a long history of automotive innovation, particularly with suspension systems (DS, SM) and front-wheel drive configurations.
Xm Development:
The XM was developed as the successor to the Citroën CX, building upon its predecessor's executive positioning and technological prowess. It was designed by Marcello Gandini.
Xm Facelifts:
The XM received a significant facelift in 1994, with further minor updates throughout its production run. The 1999 model year represents a later iteration with improvements to reliability and features.
Production Years:
1989-2001
Manufacturing Location:
France (primarily Rennes-sur-Ille plant)
