🏷️ Basic Information Identification Make: Citroen Model: CX Year: 1980 Body Style: Fastback Sedan, Station Wagon (Break) Codes Chassis Code: CX 👋 Introduction Market Position Target Audience: Professional Technicians and experienced DIY enthusiasts with basic mechanical and electrical knowledge. Competitive Analysis Comparison To Alternatives: Directly comparable to factory service manuals, offering the same depth of information but in a readily accessible digital format. Avoids limitations of out-of-print paper manuals. Key Features Unique Selling Points: Instant download accessibility, comprehensive coverage mirroring factory specifications, step-by-step procedures, high-quality illustrations. 📋 Manual Details Coverage Areas Main Coverage: Citroen CX 1980 (All models, engine variants, and trim levels for the specified year) Page Count Estimated Pages: Extensive (Typical factory service manuals for this era are hundreds of pages, exact count not specified but implied to be comprehensive) Manual Type Type: Service Repair Manual / Workshop Manual Language Language: English Format File Format: PDF Download Delivery Delivery Method: Instant Download Requirements Software Requirements: Adobe PDF Reader, WinZip (or equivalent decompression software) Compatibility Operating System Compatibility: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Powertrain: Engine (all variants), Transmission (manual & automatic), Drivetrain Chassis: Suspension (Hydropneumatic), Steering, Brakes (including Hydropneumatic system integration), Wheels & Tires Electrical: Ignition System, Lighting, Instrumentation, Power Accessories, Wiring Diagrams, Fault Diagnosis Body: Body Panels, Doors, Glass, Interior Trim, Seating Comfort And Convenience: HVAC System (Heating, Ventilation, Air Conditioning), Infotainment (Radio, etc.), Interior Features Procedures Included Maintenance: Routine Service, Oil Changes, Filter Replacements, Lubrication Points Repair: Component Disassembly, Reassembly, Component Replacement, Overhaul Procedures Diagnostics: Troubleshooting Guides, Symptom-Based Diagnosis, Fault Code Interpretation (if applicable for the era) Specifications: Critical Torque Values, Clearances, Fluid Capacities, Electrical Specifications Illustrations: Step-by-step illustrations, diagrams, and photographs Technical Depth Depth: Comprehensive: Covers basic maintenance to in-depth mechanical and electrical repairs, suitable for professional technicians and advanced DIYers. 📊 Manual Specifications File Format Print Quality: Full Printable (High resolution for clear printing) Zoom Capability: YES (Allows for detailed examination of diagrams and text) Searchability: Implied Searchable Text within PDF (Standard for modern PDFs) Binding Type Binding: N/A (Digital Download - PDF) Paper Type Paper Quality: N/A (Digital Download - PDF) ⚙️ Engine Specifications Primary Engine Engine Options 1980: Primarily the Douvrin 'EM' series inline-four gasoline engines. Commonly available in 1980 were: 1.8L (1777 cc) and 2.0L (1981 cc). Engine Code Example: XM7 (1.8L), XL9 (2.0L) Performance Horsepower Range: Approx. 99 hp (1.8L) to 106 hp (2.0L), depending on specific tune and market. Torque Range: Approx. 140 Nm (1.8L) to 158 Nm (2.0L). Fuel System Fuel Delivery: Typically carburetor-based (e.g., Solex twin-choke), with some later models or specific markets potentially featuring Bosch L-Jetronic fuel injection. 🔧 Transmission Standard Transmission Type: 4-speed or 5-speed Manual Transaxle. Optional Transmission Type Optional: 3-speed or 4-speed Automatic Transaxle (e.g., Citroen/DS Automatic). Features Drive Layout: Front-Wheel Drive (FWD) 📐 Dimensions Exterior Length Sedan Approx: 4.69 meters (184.6 inches) Width Approx: 1.76 meters (69.3 inches) Height Sedan Approx: 1.37 meters (53.9 inches) Weights Curb Weight Approx: 1,200 - 1,300 kg (2,645 - 2,866 lbs) 🛡️ Safety Features Ratings Crash Test Data: Official crash test data for the 1980 model year from independent agencies may be limited or non-existent by modern standards. The CX's unibody construction and advanced (for its time) suspension contributed to its handling and perceived safety. Active Features Braking System: Hydraulic disc brakes front and rear, often with a tandem master cylinder and a rear load-sensing proportioning valve. The hydropneumatic system also contributed to braking stability. Steering System: Hydraulic Power Steering (Diravi system), providing variable assistance and self-centering. This enhances control and reduces driver fatigue. Passive Features Seatbelts: Standard three-point front seatbelts, lap belts in the rear (depending on market and specification). 💡 Technology Features Infotainment Audio System: Factory-fitted radios, often mono, with manual tuning and limited speaker configurations. Cassette players were becoming more common. Driver Assistance Advanced Features For Era: The Diravi power steering and sophisticated hydropneumatic suspension were highly advanced features for their time, offering unparalleled ride comfort and handling stability. Connectivity Connectivity Features: Minimal by modern standards. Primarily focused on basic vehicle operation and comfort features. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000 - 7,500 km (3,000 - 5,000 miles) or 6-12 months, depending on usage and oil type. Major Service Interval: Often around 20,000 - 30,000 km (12,000 - 18,000 miles) for inspection of various components, including suspension and braking systems. Fluid Specifications Engine Oil: Refer to manual for specific viscosity (e.g., 10W-40, 15W-50). Citroën specified oils meeting certain standards (e.g., ES-SO XJ+). Hydropneumatic Fluid: LHM (Liquide Hydraulique Minéral) or equivalent mineral-based hydraulic fluid. Crucially, do NOT use DOT 3/4/5 brake fluid. Transmission Fluid Manual: GL-4 Hypoid Gear Oil (e.g., SAE 75W-90, 80W-90). Specific capacity varies by gearbox type. Transmission Fluid Automatic: ATF (Automatic Transmission Fluid) Type A Suffix A or Dexron II (or equivalent)....
Professional Technicians and experienced DIY enthusiasts with basic mechanical and electrical knowledge.
Competitive Analysis
Comparison To Alternatives:
Directly comparable to factory service manuals, offering the same depth of information but in a readily accessible digital format. Avoids limitations of out-of-print paper manuals.
Step-by-step illustrations, diagrams, and photographs
Technical Depth
Depth:
Comprehensive: Covers basic maintenance to in-depth mechanical and electrical repairs, suitable for professional technicians and advanced DIYers.
📊 Manual Specifications
File Format
Print Quality:
Full Printable (High resolution for clear printing)
Zoom Capability:
YES (Allows for detailed examination of diagrams and text)
Searchability:
Implied Searchable Text within PDF (Standard for modern PDFs)
Binding Type
Binding:
N/A (Digital Download - PDF)
Paper Type
Paper Quality:
N/A (Digital Download - PDF)
⚙️ Engine Specifications
Primary Engine
Engine Options 1980:
Primarily the Douvrin 'EM' series inline-four gasoline engines. Commonly available in 1980 were: 1.8L (1777 cc) and 2.0L (1981 cc).
Engine Code Example:
XM7 (1.8L), XL9 (2.0L)
Performance
Horsepower Range:
Approx. 99 hp (1.8L) to 106 hp (2.0L), depending on specific tune and market.
Torque Range:
Approx. 140 Nm (1.8L) to 158 Nm (2.0L).
Fuel System
Fuel Delivery:
Typically carburetor-based (e.g., Solex twin-choke), with some later models or specific markets potentially featuring Bosch L-Jetronic fuel injection.
🔧 Transmission
Standard
Transmission Type:
4-speed or 5-speed Manual Transaxle.
Optional
Transmission Type Optional:
3-speed or 4-speed Automatic Transaxle (e.g., Citroen/DS Automatic).
Features
Drive Layout:
Front-Wheel Drive (FWD)
📐 Dimensions
Exterior
Length Sedan Approx:
4.69 meters (184.6 inches)
Width Approx:
1.76 meters (69.3 inches)
Height Sedan Approx:
1.37 meters (53.9 inches)
Weights
Curb Weight Approx:
1,200 - 1,300 kg (2,645 - 2,866 lbs)
🛡️ Safety Features
Ratings
Crash Test Data:
Official crash test data for the 1980 model year from independent agencies may be limited or non-existent by modern standards. The CX's unibody construction and advanced (for its time) suspension contributed to its handling and perceived safety.
Active Features
Braking System:
Hydraulic disc brakes front and rear, often with a tandem master cylinder and a rear load-sensing proportioning valve. The hydropneumatic system also contributed to braking stability.
Steering System:
Hydraulic Power Steering (Diravi system), providing variable assistance and self-centering. This enhances control and reduces driver fatigue.
Passive Features
Seatbelts:
Standard three-point front seatbelts, lap belts in the rear (depending on market and specification).
💡 Technology Features
Infotainment
Audio System:
Factory-fitted radios, often mono, with manual tuning and limited speaker configurations. Cassette players were becoming more common.
Driver Assistance
Advanced Features For Era:
The Diravi power steering and sophisticated hydropneumatic suspension were highly advanced features for their time, offering unparalleled ride comfort and handling stability.
Connectivity
Connectivity Features:
Minimal by modern standards. Primarily focused on basic vehicle operation and comfort features.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically every 5,000 - 7,500 km (3,000 - 5,000 miles) or 6-12 months, depending on usage and oil type.
Major Service Interval:
Often around 20,000 - 30,000 km (12,000 - 18,000 miles) for inspection of various components, including suspension and braking systems.
Fluid Specifications
Engine Oil:
Refer to manual for specific viscosity (e.g., 10W-40, 15W-50). Citroën specified oils meeting certain standards (e.g., ES-SO XJ+).
Hydropneumatic Fluid:
LHM (Liquide Hydraulique Minéral) or equivalent mineral-based hydraulic fluid. Crucially, do NOT use DOT 3/4/5 brake fluid.
Transmission Fluid Manual:
GL-4 Hypoid Gear Oil (e.g., SAE 75W-90, 80W-90). Specific capacity varies by gearbox type.
Transmission Fluid Automatic:
ATF (Automatic Transmission Fluid) Type A Suffix A or Dexron II (or equivalent). Specific capacity varies.
Coolant:
Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio). Specific type depends on OEM recommendation at the time.
Known Issues
Suspension Leaks:
Hydropneumatic spheres and seals can degrade over time, leading to height control issues or leaks. Regular system checks are vital.
Electrical Gremlins:
As with many European cars of this era, aging wiring harnesses, connectors, and grounding points can lead to intermittent electrical problems.
Rust And Corrosion:
Vulnerable areas include wheel arches, sills, and the underbody. Proper rust prevention and treatment are essential for longevity.
Carburetor Issues:
Carburetors can become gummed up or require adjustment due to age, affecting fuel mixture and engine performance.
📚 Vehicle History
Brand Heritage
Citroen Legacy:
Citroën is renowned for its innovative and often avant-garde automotive engineering, particularly in suspension and aerodynamics. The CX continued this tradition.
Model Evolution
Cx Development:
The CX was developed as a successor to the iconic DS, retaining and evolving its hydropneumatic suspension system. It was launched in 1974 and underwent continuous refinement.
Production
Production Period:
1974-1992
Manufacturing Locations:
Primarily France (Rennes-sur-Vilaine) and selected models in other Citroën plants.
🏆 Awards & Recognition
Recognitions
Automotive Journalism:
The CX was critically acclaimed upon its release and frequently praised by automotive journalists for its comfort, aerodynamics, and handling, often winning 'Car of the Year' accolades in various European publications.
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