🏷️ Basic Information Identification Make: Citroën Model: GS/GSA Generation Production Years: 1970-1986 Codes Internal Platform Code: Project D 👋 Introduction Market Position Target Audience: Garage owners, service repairers, MOT testers, parts advisors, collectors, and automotive enthusiasts. Key Features Value Proposition: Cost-effective, complete, and functional manual designed to save time and facilitate confident DIY repairs and servicing. Delivery Method: Instant download, no shipping costs, no waiting for physical media. 📋 Manual Details Coverage Areas Applicable Years: 1971-1985 Covered Models: All GS and GSA models, including all engines, trim levels, and transmission types. Page Count Total Pages: 223 Manual Type Type: Workshop Repair and Service Manual Language Language: English Format Primary Format: PDF Distribution Format: ZIP archive 📖 Manual Coverage Systems Covered Engine Mechanical: Cylinder Head/Valves, Crankcase/Piston/Cylinder, Engine Lubrication and Cooling, Engine Fuel System, Engine Combustion System, Fuel Injection System Transmission Drivetrain: Gearbox & Clutch, Crankshaft/Transmission/Balancer, Transmission System, Rear Wheel System, Front Wheel and Steering System Chassis Suspension Brakes: Suspension, Braking System, Wheels & Tyres, Chassis, Frame/Body Panels/Exhaust System Electrical Lighting Ignition: Electric Starter, Electrical System, Ignition System, Battery/Charging System, Lights/Meters/Switches, Alternator/Starter Clutch Bodywork And Interior: Body & Fixtures, Fenders and Exhaust Pipe Procedures Included Maintenance And Servicing: Periodic checks & Adjustments, Maintenance, General vehicle maintenance & mechanical information, Fluid levels & grades, Service intervals, Re-setting of service light indicators Repair And Overhaul: Disassembling, inspecting, and assembling instructions for various components and systems, Engine Removal and Installation, Problematic technical solutions, Specific torque settings Diagnostics And Troubleshooting: Troubleshooting, Fault code diagnostics Technical Depth Depth Of Coverage: Comprehensive workshop-level detail, suitable for professional mechanics and experienced DIY enthusiasts. Covers routine maintenance to major component overhauls. Diagrams And Illustrations Visual Aids: Includes diagrams, illustrations, and wiring diagrams for clarity in repair and diagnostics. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text within the PDF for quick information retrieval. Print Quality Print Readability: Readable and printable pages with expandable detail for high-resolution viewing. Binding Type Binding: N/A (Digital PDF) Paper Type Paper Quality: N/A (Digital PDF) Compatibility Operating Systems: Windows 95/98/ME/XP/Vista/7, Linux, MAC OS. Compatible with newer versions including Windows 8. Licensing Activation: No activation codes, encryptions, or passwords required. ⚙️ Engine Specifications Primary Engine Engine Family: Citroën GS/GSA Flat-Four (Boxer) Engine Engine Variants Displacement Options: Available in 1015cc (Type L, 1124cc), 1222cc (Type M), and 1299cc (Type G, 1300cc) variants. GSA primarily featured the 1299cc engine. Performance Horsepower Range: Approximately 50-60 hp for earlier models, up to 65 hp for later 1300cc variants. Torque Characteristics: Known for its torque delivery at lower RPMs, characteristic of air-cooled boxer engines. Fuel System Fuel Delivery: Carbureted (Solex, Zenith) for most GS models, with the GSA introducing Bosch L-Jetronic fuel injection for some variants. Cooling System Cooling Type: Air-cooled, with a forward-mounted fan driven by a belt from the crankshaft. Lubrication System Oil Capacity: Approximately 3.5 - 4.0 liters, depending on the specific engine variant and filter. Specific grade (e.g., 20W-50) typically recommended. 🔧 Transmission Standard Gearbox Type: 4-speed manual transaxle (standard on most GS models). Later models and some GSAs offered a 5-speed manual transaxle. Optional Automatic Transmission: Less common, but some models may have had semi-automatic options available in certain markets, though not widely publicized. Features Clutch Type: Dry single-plate diaphragm spring clutch. Fluid Specifications Gearbox Oil Type: Typically SAE 75W-80 or SAE 80 GL-4 gear oil. Manual specifies exact type and capacity. 📐 Dimensions Exterior Body Styles: Hatchback (3-door), Estate/Break (5-door), GSA (facelifted version with hatchback and estate). Wheelbase: Approximately 2550 mm (100.4 inches) Overall Length: Approximately 4050 mm (159.4 inches) for hatchback, longer for estate. Weights Curb Weight: Approximately 900-1000 kg, depending on model and equipment. Gross Vehicle Weight Rating: Typically around 1300-1400 kg. 🛡️ Safety Features Ratings Crash Test Results: No formal modern crash test data comparable to current standards. Early 70s safety considerations focused on occupant restraint systems where available. Active Features Braking System: Four-wheel disc brakes (front inboard discs, rear outboard discs) on many models, a signature feature of the GS/GSA, designed for improved braking performance and reduced unsprung weight. Suspension System: Citroën's hydropneumatic suspension (on higher trim levels and later models) provided excellent ride comfort and handling stability, contributing to passive safety. Passive Features Seatbelts: Standard seatbelts (lap belts in front, lap belts in rear on early models; 3-point belts became more common). 💡 Technology Features Infotainment Audio System: Basic AM/FM radio or cassette player, often optional. Dashboard design prioritised functionality and driver ergonomics over advanced entertainment. Driver Assistance Steering System: Rack and pinion steering, often with power assistance on higher-spec models or later GSA variants. Connectivity Lighting Technology: Standard halogen headlights. Interior lighting focused on dashboard illumination and cabin light. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000 - 7,500 km or annually, whichever comes first. Specifics detailed in the manual. Major Service Interval: Intervals...