Target Audience:
DIY enthusiasts, independent mechanics, Citroën GS/GSA owners seeking self-sufficiency in repairs and maintenance.
Value Proposition:
Provides comprehensive, expert-level repair information at a fraction of the cost of dealership service or traditional repair manuals.
Independence Empowerment:
Enables owners to perform repairs and maintenance independently, saving money and ensuring quality.
Accessibility:
Convenient digital download format accessible on various devices.
Comprehensiveness:
Covers all aspects of vehicle repair and maintenance, from routine tasks to major overhauls.
Full Vehicle Coverage:
Yes
Specific Systems Covered:
Engine, Transmission, Brakes, Electrical, Suspension, Steering, Cooling, Fuel System, Emissions, Chassis, Body, Restraint Systems, Axles, General Maintenance, Troubleshooting, Lubrication, Wiring Diagrams
Estimated Page Count:
Comprehensive (exact number not specified, typical for full workshop manuals)
Manual Type:
Service and Repair Manual
Digital Format:
PDF Download
Engine Service Repair:
Detailed instructions for disassembly, inspection, repair, and reassembly of engine components.
Transmission Service Repair:
Covers manual and potentially Hydropneumatic suspension-linked transmission variants, including maintenance and repair.
Brake System:
Diagnosis, repair, and maintenance of hydraulic and parking brake systems.
Wiring Diagram:
Comprehensive electrical schematics for all vehicle systems.
Electrical System:
Troubleshooting and repair of all electrical components, including lighting, ignition, and accessories.
Suspension:
Detailed coverage of the hydropneumatic suspension system, including component servicing and adjustments.
Steering:
Service and repair procedures for the steering system.
Cooling System:
Maintenance and repair of the engine's cooling system.
Fuel Injection Fuel System:
Maintenance and repair of fuel delivery and injection systems.
Emission System:
Information on emission control systems and related maintenance.
Engine Control System:
Diagnosis and repair of engine management and control units.
Chassis Body:
Body repair, corrosion prevention, and chassis component servicing.
Restraint System:
Information on seat belts and any early restraint technologies.
Axle:
Service and repair of front and rear axles.
General Maintenance:
Routine checks, fluid changes, filter replacements, and scheduled servicing.
Troubleshooting:
Systematic diagnostic procedures for identifying and resolving common faults.
Disassembly Reassembly:
Step-by-step guides for removing, rebuilding, and refitting major vehicle components.
Refurbishment Renovation:
Guidance on restoring and renewing vehicle parts and systems.
Diagnostic Capabilities:
Advanced diagnostic procedures for complex system issues.
Rebuild Instructions:
Detailed instructions for complete engine, transmission, and component rebuilds.
Technical Specifications:
Provides crucial technical data, torque values, clearances, and specifications.
Engine Type Gs:
Air-cooled, flat-four (boxer) engine
Engine Displacement Gs:
1015 cc (Later models: 1124 cc, 1220 cc)
Engine Cooling Gs:
Air-cooled
Horsepower Gs 1015Cc:
Approximately 53-56 hp (SAE gross)
Torque Gs 1015Cc:
Approximately 70-75 Nm (SAE gross)
Fuel Delivery System:
Typically single or twin-barrel downdraft carburetor(s) (e.g., Solex, Weber).
Fuel Type:
Unleaded gasoline (95 RON recommended for original specification)
Transmission Type:
4-speed manual transaxle
Optional Transmission:
Citroën's semi-automatic gearbox (likely not prevalent in 1978 models, more common in later versions or specific markets).
Gear Ratios:
Specific ratios detailed in the manual.
Fluid Type:
Manual transmission fluid (e.g., GL-4 80W/90).
Crash Test Data:
Limited public data for this era and model; manual provides structural repair guidance.
Active Safety Features:
Four-wheel disc brakes, responsive steering.
Passive Safety Features:
Seat belts (driver and passenger), padded dashboard, safety glass.
Infotainment System:
Basic radio and speaker system, if fitted. No advanced infotainment common in modern vehicles.
Driver Assistance Features:
Limited; relies on driver skill and vehicle dynamics.
Connectivity:
No electronic connectivity features.
Oil Change Interval:
Typically every 5,000-7,500 km or 6-12 months, refer to specific manual sections for exact intervals.
Tune Up Interval:
Refer to manual for spark plug, distributor, and carburetor adjustment intervals.
Engine Oil Type:
Typically SAE 20W-50 or 10W-40, air-cooled engine specific requirements detailed in manual.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic fluid.
Hydropneumatic Fluid Type:
LHM (Citroën's own hydraulic fluid, specific type for the system).
Hydropneumatic System Leaks:
Common issue with age, requiring seals and hose replacement. Manual provides diagnostic steps.
Carburetor Issues:
Can become clogged or maladjusted, requiring cleaning and tuning. Manual details procedures.
Rust And Corrosion:
Potential for rust, especially in common areas like wheel arches and sills. Manual offers bodywork repair guidance.
Citroen Innovation:
Citroën is renowned for pioneering automotive technologies, notably hydropneumatic suspension and aerodynamic design.
Gs Introduction:
The Citroën GS was introduced in 1970 as a mid-size family car, known for its distinctive aerodynamic styling and innovative suspension.
Gsa Introduction:
The GSA was a facelifted and updated version of the GS, launched in 1979 (though this manual covers the 1978 GS, implying it would also be highly relevant for early GSA models). Key GSA updates included a revised dashboard and bumpers.
Gs Production Years:
1970-1980
Gsa Production Years:
1979-1986
Manufacturing Location:
France
