Segment:
        
        
            Executive Car, Large Family Car
        
     
    
        
            Positioning:
        
        
            Citroën's flagship model during its production run, known for advanced technology and comfort.
        
     
    
    
        
            Key Competitors:
        
        
            Ford Scorpio, Peugeot 605, BMW 5 Series (E34/E39), Mercedes-Benz E-Class (W124/W210), Audi 100/A6 (C3/C4).
        
     
    
    
        
            Unique Selling Points:
        
        
            Hydropneumatic suspension, innovative styling, comfortable and spacious interior, advanced electronic features for its era.
        
     
 
    
    
    
        
            Engine Variants:
        
        
            Petrol (various displacements) and Diesel (various displacements)
        
     
    
        
            Transmission Variants:
        
        
            Manual and Automatic Transmissions
        
     
    
        
            Body Styles:
        
        
            Hatchback (5-door Liftback)
        
     
    
    
        
            Approximate Page Count:
        
        
            700+
        
     
    
    
        
            Manual Type:
        
        
            Workshop Service Repair Manual
        
     
    
    
    
    
        
            Format:
        
        
            Digital (likely PDF, searchable)
        
     
 
    
    
    
        
            Powertrain:
        
        
            Engine mechanical, fuel injection, ignition, exhaust, cooling, lubrication, engine management systems.
        
     
    
        
            Transmission Drivetrain:
        
        
            Manual and automatic transmission repair, clutch, driveshafts, differential, AWD systems (if applicable).
        
     
    
        
            Suspension Steering:
        
        
            Hydropneumatic suspension (Hydractive/Hydractive 3), steering system, power steering, wheel alignment.
        
     
    
        
            Brakes:
        
        
            Brake system hydraulics, ABS, disc/drum brake component repair and replacement.
        
     
    
        
            Electrical Electronics:
        
        
            Wiring diagrams, lighting, starting and charging systems, instrumentation, ECUs, sensors, body electricals.
        
     
    
        
            Climate Control:
        
        
            HVAC system diagnosis and repair, air conditioning.
        
     
    
        
            Body Chassis:
        
        
            Body panels, doors, glass, interior trim, structural components, rust prevention.
        
     
    
        
            Chassis Components:
        
        
            Wheel bearings, suspension arms, mounting points, exhaust system.
        
     
    
        
            Safety Systems:
        
        
            Detailed coverage of ABS and airbag systems, including sensor calibration and troubleshooting.
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, oil changes, filter replacements, fluid checks, tune-ups, belt replacement.
        
     
    
        
            Diagnostics:
        
        
            Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnosis.
        
     
    
        
            Repair Rebuild:
        
        
            Step-by-step repair procedures for all major mechanical and electrical components, engine rebuilds, transmission overhauls.
        
     
    
        
            Technical Data:
        
        
            Torque specifications, clearances, engine timing, diagnostic data, specifications for all components.
        
     
    
        
            Body And Paint:
        
        
            Repair procedures for body panels, rust repair, glass replacement, interior trim fitting.
        
     
    
        
            Wiring Diagrams:
        
        
            Detailed wiring schematics for all electrical systems, including engine, body, lighting, and instruments.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering basic to advanced repairs and diagnostics suitable for professional technicians and experienced DIY enthusiasts.
        
     
    
        
            Diagnostic Tools:
        
        
            Information on specific diagnostic tools and procedures used by Citroën technicians, including fault code retrieval.
        
     
 
    
    
    
        
            Petrol Engine Options:
        
        
            2.0i (XM 'S'), 2.0 Turbo (XM 'SX'), 3.0 V6 (XM 'V6', 'V6 Exclusive'), 2.9 V6 24v (XM V6.24)
        
     
    
        
            Diesel Engine Options:
        
        
            2.1 TD (Turbodiesel), 2.5 TD (Turbodiesel)
        
     
    
    
        
            2.0I (1998Cc):
        
        
            Approx. 130 PS (96 kW), 170 Nm torque
        
     
    
        
            3.0 V6 (2963Cc):
        
        
            Approx. 167-190 PS (123-140 kW), 235-270 Nm torque
        
     
    
        
            2.1 Td (2088Cc):
        
        
            Approx. 110 PS (81 kW), 245 Nm torque
        
     
    
        
            2.5 Td (2500Cc):
        
        
            Approx. 130 PS (96 kW), 285 Nm torque
        
     
    
        
            V6 24V (2946Cc):
        
        
            Approx. 200 PS (147 kW), 272 Nm torque
        
     
    
    
        
            Petrol Fuel System:
        
        
            Multi-point fuel injection (MPFI)
        
     
    
        
            Diesel Fuel System:
        
        
            Direct injection with turbocharger and intercooler
        
     
 
    
    
    
        
            Infotainment System:
        
        
            Cassette/CD player with radio, often with steering wheel controls. Early models featured analog displays, later models offered digital displays and multi-function displays (MFD).
        
     
    
    
        
            Driver Assistance Features:
        
        
            Cruise control, automatic climate control, variable assist power steering, automatic wiper and headlight activation (on higher trims).
        
     
    
    
        
            Connectivity Options:
        
        
            Limited by era. Basic connectivity for diagnostics via OBD-II (later models) or proprietary Citroën diagnostic ports.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically 7,500-15,000 miles (12,000-24,000 km) or 12 months, depending on engine and oil type. Refer to manual for specific intervals.
        
     
    
        
            Major Service Intervals:
        
        
            Timing belt replacement usually recommended every 60,000-100,000 miles (96,000-160,000 km) or 5-7 years for petrol engines. Diesel timing belt intervals may differ. Check manual for specific engine.
        
     
    
    
        
            Suspension Fluid:
        
        
            LHM Plus (Citroën Hydraulic Fluid) for the hydropneumatic suspension.
        
     
    
        
            Engine Oil:
        
        
            API SG/SH or ACEA A2/A3, viscosity grade dependent on climate (e.g., 10W-40, 15W-50). Refer to manual for exact specifications.
        
     
    
        
            Transmission Fluid Auto:
        
        
            Dexron III or equivalent for ZF automatic transmissions.
        
     
    
        
            Coolant:
        
        
            Ethylene glycol-based antifreeze, typically a 50/50 mix with distilled water. Refer to manual for specific type (e.g., PSA approved).
        
     
    
        
            Brake Fluid:
        
        
            DOT 3 or DOT 4, check manual for specific type and replacement interval.
        
     
    
    
        
            Hydropneumatic Suspension:
        
        
            Leaking spheres, worn hydraulic pumps, pipe leaks, ride height corrector issues.
        
     
    
        
            Electronics:
        
        
            Early models can suffer from complex electronic control unit (ECU) issues, sensor failures, and wiring harness degradation. Multifunction display (MFD) problems.
        
     
    
        
            Engine Management:
        
        
            Idle control issues, sensor failures (e.g., crankshaft position sensor), ignition coil problems on V6 models.
        
     
    
        
            Diesel Engines:
        
        
            Glow plug issues, injector pump problems, turbocharger wear.
        
     
    
        
            Bodywork:
        
        
            Rust on sills, wheel arches, and around the rear screen due to drainage issues. Door seal degradation.
        
     
 
    
    
    
        
            Citroen Innovation:
        
        
            Citroën has a long history of pioneering automotive technology, particularly in suspension systems (e.g., DS, GS) and aerodynamic design.
        
     
    
    
        
            X Evolution:
        
        
            The XM was the successor to the Citroën CX and was designed to be a technologically advanced and comfortable executive car. It featured an evolution of the hydropneumatic suspension, known as Hydractive, which offered adjustable ride characteristics. A significant facelift occurred around 1994 (Y4 generation) with styling tweaks and upgrades to the suspension and electronics.
        
     
    
    
        
            Production Years:
        
        
            1989-2001
        
     
    
        
            Manufacturing Location:
        
        
            Citroën plants in France (e.g., Rennes-la-Janais).