🏷️ Basic Information Identification Make: Citroën Model: GS / GSA Year: 1979 Country Of Origin: France 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, and Citroën GS/GSA owners. Key Features Completeness Authenticity: Complete and intact, identical to manuals used by professional service shops. Value Proposition Cost Savings: Enables significant savings on repair and maintenance bills by empowering owners to perform work themselves. 📋 Manual Details Coverage Coverage Areas: All Models/Engines/Trim/Transmissions Types for 1979 GS/GSA Format File Format: PDF Language Language: English Manual Type Manual Type: Workshop Repair Service Manual Print Quality Print Quality: Full Printable Delivery Delivery Method: Instant Download Requirements Software Requirements: Adobe PDF Reader, WinZip Compatibility Operating Systems: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine Service Repair: Comprehensive diagnosis, repair, and overhaul procedures for all GS/GSA engines. Transmission Service Repair: Detailed procedures for gearbox overhaul, clutch replacement, and maintenance. Brake System: Inspection, repair, and adjustment of hydraulic braking systems, including component replacement. Electrical System: Complete wiring diagrams, troubleshooting guides, and component testing for all electrical circuits. Suspension System: Information on the unique hydropneumatic suspension system, including maintenance and repair. Steering System: Procedures for steering rack, column, and linkage maintenance and repair. Cooling System: Service and repair for the air-cooled engine cooling system, including fan and ducting. Fuel System: Maintenance and repair of the fuel injection or carburettor systems, fuel pump, and lines. Emission Control System: Details on emission control components and their servicing. Heating Air Conditioning: Service and repair for the heating system. Chassis Body: Bodywork repair, chassis components, and structural information. Differential Drive: Maintenance and repair of the drive axle and differential. Axle Systems: Front and rear axle servicing. Engine Control System: Management of engine functions, including ignition timing and fuel delivery for injected models. Restraint System: Information regarding seatbelt installation and functionality. Interior Components: Service and repair procedures for interior trim, seating, and dashboard components. Procedures Included General Maintenance: Routine checks, fluid changes, filter replacements, and lubrication schedules. Troubleshooting: Systematic diagnosis and resolution of common and uncommon problems. Periodic Lubrication: Detailed lubrication points and recommended lubricants. Disassembly Assembly: Step-by-step instructions for component removal and installation. Cleaning Reinstallation: Procedures for cleaning and correctly reinstalling components. Diagnostic Procedures: Methods for identifying faults within various vehicle systems. Technical Depth Depth Of Information: Professional-grade, covering basic maintenance to complete rebuilds and advanced diagnostics. Illustrations Diagrams Photos: Hundreds of detailed diagrams, drawings, and photos for clear procedural guidance. Instructions Instruction Format: Numbered instructions, detailed substeps, notes, cautions, and warnings. Parts Identification Enlarged Insets: Enlarged insets to clearly identify and examine individual parts. Organization Table Of Contents: Numbered table of contents for quick and easy information retrieval. 📊 Manual Specifications File Properties Zoom Functionality: YES Searchability: Implied by PDF format, though not explicitly stated as text-searchable. File Size: Varies based on PDF optimization, typically in the tens to hundreds of megabytes for comprehensive manuals. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled flat-four (Boxer) Displacement Engine Displacement Gs: 1015 cc (GS) Engine Displacement Gsa: 1220 cc (GSA) Performance Horsepower Gs: Approx. 56 hp (DIN) for 1015cc Horsepower Gsa: Approx. 65 hp (DIN) for 1220cc Fuel System Fuel Delivery: Carburettor or Fuel Injection (depending on variant and market) 🔧 Transmission Standard Transmission Transmission Type: 4-speed or 5-speed manual transaxle Optional Transmission Automatic Transmission: Electronic automatic transmission (optional on some models) Features Drive Layout: Front-wheel drive 📐 Dimensions Exterior Body Styles: 2-door sedan, 4-door sedan, estate (Break) Weights Curb Weight: Approx. 970 - 1070 kg (depending on body style and engine) 🛡️ Safety Features Passive Features Seatbelts: Provision for seatbelts, often requiring fitting. 💡 Technology Features Infotainment Radio System: Typically a basic AM/FM radio with optional cassette player. Driver Assistance Power Steering: Power steering was often available or standard on higher trims. Features Unique Features: Forward-hinged doors, distinctive aerodynamic styling, and the advanced hydropneumatic suspension system. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 5,000 - 10,000 km (refer to manual for specific recommendations based on engine oil type). Ignition System Check: Regular checks of spark plugs, distributor, and ignition timing are crucial for the air-cooled engine. Fluid Specifications Engine Oil Type: SAE 20W-50 or 15W-50 (check manual for specific viscosity and API rating for air-cooled engines). Hydropneumatic Fluid: LHM (Liquide Hydraulique Minéral) is required for the suspension system. Refer to manual for specific type and capacity. Known Issues Hydropneumatic Suspension Leaks: Common issues include leaks from spheres, hoses, and seals; requiring periodic fluid checks and potential component replacement. Rust Corrosion: As with many cars of this era, body rust can be a concern, particularly in wheel arches and sills. Electrical Gremlins: Aging wiring and connections can lead to intermittent electrical faults. 📚 Vehicle History Brand Heritage Citroen Innovation: Citroën's legacy of innovative...