This manual covers the CX Series 2, specifically models produced between 1988 and 1991. The CX is renowned for its distinctive aerodynamic design and innovative hydropneumatic suspension system, which provides exceptional ride comfort and handling. This vehicle represents a significant chapter in automotive engineering, known for its advanced features for its era, including variable resistance steering and sophisticated braking systems. The manual encompasses all trim levels, such as the CX20, CX22, CX25 GTI, CX25 TRD Turbo, and CX25 Prestige, offering comprehensive guidance for a wide range of configurations.
This factory service repair manual provides in-depth technical information for owners, mechanics, and enthusiasts. It details engine service and repair for various petrol and diesel configurations, transmission maintenance, and the intricacies of the chassis, suspension, and braking systems. Additionally, the manual includes extensive coverage of the electrical system, heating and air conditioning, and bodywork. With step-by-step repair procedures, troubleshooting guides, and detailed illustrations, this manual serves as an indispensable resource for maintaining, diagnosing, and repairing the CX, ensuring its continued performance and longevity.
Generation:
Series 2 (post-1986 facelift)
Production Years Covered By Manual:
1988, 1989, 1990, 1991
Vin Code Common Identifications:
Check VIN for specific model year and engine configuration
Target Audience:
Citroën CX owners, independent repair shops, classic car enthusiasts
Manual Authenticity:
Genuine factory manual, not third-party
Content Value:
Provides factory-trained technician knowledge for self-servicing and cost savings on labor.
Illustration Quality:
Includes detailed illustrations, drawings, photos, and enlarged insets for clarity.
Usability:
Easy to use, print-on-demand functionality, numbered instructions, quick access table of contents.
Primary Market:
Global (Europe primarily)
Trim Levels Covered:
All trim levels (e.g., CX20, CX22, CX25 GTI, CX25 TRD Turbo, CX25 TRD Turbo 2, CX25 Prestige)
Estimated Pages:
Hundreds (specific count not provided, but typical for comprehensive factory manuals)
Type:
Factory Service Repair Manual
Digital Format:
PDF Download
Powertrain:
Engine service/repair, Transmission service/repair, Fuel Injection/Fuel System, Emission System, Engine Control System, Differential/Drive, Axle
Chassis And Suspension:
Brake System, Suspension, Steering, Cooling System, Chassis/Body
Electrical And Comfort:
Wiring Diagram, Electrical System, Heater/Air Conditioning, Restraint System, Interior
Maintenance:
General Maintenance, Periodic Lubrication
Diagnostics And Repair:
Troubleshooting, Step-by-step repair procedures for all covered systems
Refurbishment And Restoration:
Complete rebuild, refurbish, or restore guidance
Body And Interior:
Covers chassis repairs, bodywork adjustments, interior trim removal/installation, and component repair.
Heating And Ventilation:
Detailed procedures for the climate control system, blower motor, ducting, and related components.
Electrical Diagnostics:
In-depth electrical system diagnosis, component testing, and troubleshooting using detailed wiring diagrams.
Depth:
Comprehensive factory-level detail, suitable for professional technicians and experienced DIYers.
Searchability:
Likely searchable text within PDF (standard for factory manuals)
Printable:
Yes, without restriction, individual pages or entire manual
Digital Binding:
N/A (downloadable PDF)
Digital Paper Equivalent:
High-resolution digital pages
Delivery:
Instant download link post-payment
Required Software:
Adobe PDF Reader
Structure:
Organized into chapters with numbered instructions, notes, cautions, and warnings for each repair procedure.
Engine Options Covered:
Likely covers various petrol and diesel engines offered in the CX during these years, including 2.0L (XM7), 2.2L (ID50), 2.5L naturally aspirated (XM), 2.5L Turbo Diesel (RG, RG2), and 2.5L Turbo Diesel Injection (RX, RX2).
Example Performance Data From Period:
CX25 GTI Turbo 2 (approx. 168 hp, 285 Nm torque); CX25 TRD Turbo (approx. 120 hp, 270 Nm torque). Specific figures vary by engine variant and market.
Fuel Delivery Systems Covered:
Carburetor (early models, though less common by 1988) and various Bosch L-Jetronic, K-Jetronic, or Motronic fuel injection systems for petrol engines; indirect injection for diesel engines.
Tune Up Procedures:
Spark plug replacement, ignition timing adjustment, fuel system cleaning, emission control adjustments.
Timing Belt Replacement:
Critical procedure for applicable engines (e.g., 2.0L, 2.2L petrol). Manual will provide interval and procedure.
Gearbox Options:
Likely covers both manual (4 or 5-speed) and automatic (3 or 4-speed) transmissions depending on model variant.
Transmission Types:
Citroën's own automatic transmission (often a ZF-based unit for later models) and manual gearboxes.
Hydraulic System Integration:
Details on transmission integration with the Citroën hydropneumatic system (if applicable to specific transmission types).
Overall Length:
Approximately 4.7 - 5.2 meters (depending on sedan/break variant)
Overall Width:
Approximately 1.75 - 1.80 meters
Wheelbase:
Approximately 2.9 - 3.1 meters (depending on sedan/break variant)
Curb Weight:
Approximately 1300 - 1500 kg (depending on engine and equipment)
Gross Vehicle Weight:
Refer to specific model plate/manual for accurate GVWR
Crash Test Data:
Likely no formal Euro NCAP or equivalent ratings for this era. Manual will detail passive safety features.
Braking System Type:
Front: Ventilated discs; Rear: Discs. Citroën's characteristic LHM hydraulic system powers the brakes, offering progressive feel and often incorporating anti-lock braking systems (ABS) on higher trims.
Steering System:
Power-assisted rack and pinion or DIRAVI (Directionality by Variable Resistance) on some models for variable steering effort.
Restraint System:
Front seatbelts (inertia reel), provision for rear seatbelts. Airbags were not standard on most CX models during this period, but manual may cover optional fitment.
Body Construction:
Self-supporting body shell with integrated safety crumple zones.
Audio Systems:
Factory fitted radio/cassette players, often with speakers in doors and rear shelf. Manual will cover removal, installation, and basic troubleshooting.
ABS:
Anti-lock Braking System (ABS) was an option on many later models. Manual will detail its operation, diagnosis, and repair.
Diravi Steering:
Variable resistance steering system for enhanced high-speed stability and low-speed ease of use. Manual will cover its operation and adjustment.
Vintage Features:
Focus is on mechanical and electrical systems rather than modern connectivity. Features would include power windows, central locking (on higher trims), and climate control.
Oil Change Interval:
Typically 5,000 - 10,000 km or 6-12 months, depending on driving conditions and oil type specified. Manual will provide exact intervals.
Hydropneumatic Fluid Change:
LHM (Liquide Hydraulique Minéral) fluid change and filter replacement are critical and typically recommended every 40,000 - 60,000 km. Manual will detail this process.
Engine Oil Grade:
Varies by engine. Common grades include 10W-40, 15W-40, or 20W-50. Manual will specify API service categories (e.g., SF, SG).
Coolant Type:
Ethylene glycol based antifreeze/coolant mixture. Manual will specify correct ratio and type.
Transmission Fluid:
Manual transmission: GL-4 or GL-5 gear oil. Automatic transmission: Specific ATF (Automatic Transmission Fluid) type, e.g., Dexron II or equivalent. Manual will detail exact type and capacity.
Brake Fluid:
DOT 3 or DOT 4 brake fluid, though primarily LHM is used for hydraulic functions. Manual will clarify.
Common Cx Problems:
Hydropneumatic system leaks (spheres, seals, height correctors), electrical gremlins, rust in common areas (wheel arches, sills), timing belt wear (on relevant engines), exhaust system corrosion.
Troubleshooting Guidance:
Manual provides an advanced troubleshooting guide to diagnose and rectify these and other potential issues.
Citroen Philosophy:
Citroën is known for its innovative engineering, particularly in hydropneumatic suspension, aerodynamic design, and advanced comfort features.
Cx Introduction:
The CX was introduced in 1974 as the successor to the iconic DS, continuing Citroën's tradition of avant-garde design and technology.
Series 2 Facelift:
The Series 2 facelift (introduced in 1986) brought revised styling, improved interior comfort, updated engines, and updated technology.
Production Period:
1974 - 1991
Manufacturing Locations:
Primarily France (Rennes-sur-Vitré, Aulnay-sous-Bois).
Design Acclaim:
The Citroën CX is widely recognized for its groundbreaking aerodynamic design, achieving a drag coefficient as low as 0.32, contributing to its fuel efficiency and quiet ride.
Engineering Innovation:
Renowned for its hydropneumatic suspension system, offering unparalleled ride comfort and self-leveling capabilities.
Factory Documentation Standard:
Represents official Citroën factory documentation, adhering to industry standards for repair and maintenance information.
