Vehicle Segment:
Executive Sedan
Design Philosophy:
The Citroën CX is renowned for its avant-garde design, aerodynamic efficiency, and unique hydropneumatic suspension system, setting it apart from its contemporaries.
Key Competitors Era:
BMW 5 Series, Mercedes-Benz E-Class, Peugeot 604, Renault 25.
Hydropneumatic Suspension:
Citroën's signature self-leveling hydropneumatic suspension providing unparalleled ride comfort and handling.
Aerodynamic Design:
Exceptional drag coefficient contributing to fuel efficiency and high-speed stability.
Diravi Steering:
Speed-sensitive power steering for precise control at all speeds.
Innovative Interior:
Distinctive dashboard layout with a single-spoke steering wheel and ergonomic controls.
Engine Management Systems:
Yes
Transmission Manual And Automatic:
Yes
Suspension Hydropneumatic:
Yes
Braking System Hydraulic And Electronic:
Yes
Electrical System And Diagnostics:
Yes
Heating Ventilation And Air Conditioning:
Yes
Interior Trim And Accessories:
Yes
Troubleshooting Guides:
Yes
Estimated Page Count:
Likely over 800 pages (typical for comprehensive factory service manuals of this era)
Manual Type:
Repair Service Manual
Alternative Names:
Workshop Manual, Service Manual, Factory Service Manual Repair
File Requirements:
Adobe PDF Reader, WinZip
Compatibility:
All Versions of Windows & Mac
Delivery Method:
Instant Download
Print Capability:
Full Printable
Zoom Capability:
Zoom IN/OUT enabled
Hydropneumatic Suspension:
Detailed explanation of the self-leveling hydropneumatic system, including spheres, accumulators, hydraulic fluid, pressure regulators, and diagnostic procedures.
Engine Mechanical Components:
Complete overhaul procedures for engine blocks, cylinder heads, pistons, connecting rods, crankshafts, camshafts, valve trains, and timing systems.
Engine Management And Fuel Injection:
Diagnosis and repair of electronic fuel injection (EFI) systems (e.g., Bosch Motronic), ignition timing, sensors, actuators, and emission control systems.
Transmission And Drivetrain:
Service procedures for manual and automatic transmissions, clutch systems, driveshafts, and differential assemblies.
Power Steering System:
Detailed information on the DIRAVI (Direction à rappel asservi) speed-sensitive power steering system, including hydraulic pump, steering rack, and servo-valve.
Braking System:
Front and rear brake system repair, including disc and pad replacement, caliper overhaul, brake fluid flushing, and parking brake adjustments.
Electrical Schematics:
Comprehensive wiring diagrams for all vehicle electrical systems, including lighting, starting, charging, instrumentation, and comfort features.
Body And Interior Repair:
Procedures for body panel alignment, door and window repairs, interior trim removal and installation, and dashboard component replacement.
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, and general inspections.
Major Repairs And Overhauls:
Step-by-step instructions for engine rebuilds, transmission overhauls, suspension component replacement, and brake system repairs.
Diagnostics And Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting, and testing procedures for common issues.
Component Disassembly And Assembly:
Detailed instructions for taking apart and reassembling virtually every component of the vehicle.
Electrical Component Testing:
Methods for testing alternators, starters, sensors, relays, and other electrical components using multimeters and specialized tools.
Depth Of Coverage:
Comprehensive, suitable for professional technicians and advanced DIY mechanics with a good understanding of automotive systems.
Target Audience Skill Level:
Professional technicians and experienced DIY enthusiasts with basic mechanical and electrical knowledge.
Engine Options 1988-1991:
Primarily 2.0L and 2.2L Douvrin inline-four gasoline engines (XN & XM series), and the 2.5L Turbo-D diesel engine (J8S).
Engine Code Example Gasoline:
XN1A (2.0L, 99-115 hp)
Engine Code Example Diesel:
J8S-672 (2.5L Turbo-D, 95 hp)
Horsepower Range:
Approx. 95 hp (2.5 Turbo-D) to 128 hp (2.2L gasoline).
Torque Specifications:
Refer to specific engine variant in manual for precise torque figures (e.g., ~180-200 Nm for 2.2L).
Fuel Injection Type:
Electronic Fuel Injection (EFI), often Bosch systems.
Fuel Type:
Unleaded Petrol (RON 95 or higher), Diesel Fuel.
Standard Transmission Type:
4-speed or 5-speed Manual Transmission.
Optional Transmission Type:
3-speed Automatic Transmission (typically ZF).
Clutch Type:
Dry single-plate clutch (Manual Transmission).
Automatic Transmission Control:
Hydraulic control system.
Length:
Approx. 4,640 mm (182.7 in)
Width:
Approx. 1,730 mm (68.1 in)
Height:
Approx. 1,370 mm (53.9 in)
Curb Weight Range:
Approx. 1,300 - 1,500 kg (2,866 - 3,307 lbs) depending on engine and equipment.
Crash Test Results Era:
Limited standardized crash testing data available for this era compared to modern standards. Focus was on occupant protection through design and seatbelts.
Braking System Type:
Hydraulic dual-circuit, servo-assisted brakes with front discs and rear drums (later models may have rear discs).
Antilock Braking System:
Optional ABS available on some later models.
Seatbelts:
Standard seatbelts, potentially inertia-reel type for front occupants.
Body Structure:
Designed with crumple zones for energy absorption.
Oil Change Interval:
Typically every 7,500 - 10,000 km (4,600 - 6,000 miles) or 12 months, whichever comes first (refer to manual for precise figures).
Hydropneumatic Fluid Change:
Fluid should be checked regularly and changed as per manufacturer recommendations, often every 60,000 km (37,000 miles).
Engine Oil Specification:
Refer to manual for viscosity (e.g., 10W-40 or 15W-50) and API/ACEA specifications based on engine type.
Hydropneumatic Fluid Type:
LHM (Liquide Hydraulique Minéral) – Citröen's proprietary hydraulic fluid.
Brake Fluid Type:
DOT 3 or DOT 4 depending on specific system (refer to manual).
Hydropneumatic System Leaks:
Leaking spheres, seals, or hoses are common and require prompt attention.
Electrical Gremlins:
Older wiring harnesses and components can lead to intermittent electrical faults.
Rust And Corrosion:
Common on older vehicles, particularly around wheel arches, sills, and underbody.
Diravi System Issues:
Wear in the steering rack or servo-valve can cause imprecise steering.
