🏷️ Basic Information Identification Make: Citroen Model: GS/GSA Year: 1971 👋 Introduction Market Position Target Audience: Professional mechanics, enthusiasts undertaking restoration, and dedicated DIY owners. Competitive Analysis Value Proposition: Provides the same in-depth technical data used by professional workshops, offering significant cost savings over dealership servicing. Key Features Instructional Style: Numbered steps, bold figure references, detailed illustrations, and critical notes enhance user comprehension. Delivery Method Delivery: Instant Download, eliminating shipping costs and wait times. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service, repair, and maintenance Page Count Estimated Page Count: Detailed coverage implies significant depth, likely 500+ pages based on content description. Manual Type Type: Full Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Detailed repair, overhaul, tuning, fuel system, ignition system, cooling system, lubrication system. Transmission: Repair and maintenance of gearbox, clutch, and drive shafts. Brakes: Hydraulic system, components, bleeding, adjustment, repair. Suspension: Citroen's signature hydropneumatic suspension system diagnosis, repair, and fluid management. Steering: Steering rack, linkages, and associated components. Electrical: Comprehensive wiring diagrams, troubleshooting, component testing, lighting, ignition, charging system. Bodywork: Body panel repair, adjustments, interior trim, doors, windows, and locks. Heating And Ventilation: Components and service procedures. Procedures Included Maintenance: Regular service schedules, fluid changes, filter replacements, lubrication points. Diagnostics: Systematic troubleshooting guides and fault finding for all major components. Repair: Step-by-step instructions for component removal, repair, and reinstallation. Rebuild: Detailed procedures for engine, transmission, and major component overhauls. Refurbishment Restoration: Guidance on bringing the vehicle back to original specifications. Technical Depth Depth: Suitable for professional technicians and advanced DIY enthusiasts; covers intricate details. 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Full Printable Binding Type Binding: Digital (N/A for printed format) Paper Type Paper Quality: Digital (N/A for printed format) Software Requirements Reader: Adobe PDF Reader Unarchiver: WinRAR Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Type: Flat-four (Boxer) air-cooled, OHV Engine Displacement: 1015 cc (GS) / 1222 cc (GSA) Bore X Stroke: 80.5 mm x 50 mm (GS) / 85 mm x 73 mm (GSA) Fuel System: Carburetor (e.g., Solex 34 PICS-2 for GS, twin Solex 34 PICS-2 or Weber for GSA) Performance Horsepower: GS: 54 hp (DIN) @ 6100 rpm; GSA: 65 hp (DIN) @ 5750 rpm (approx. variations depending on market) Torque: GS: 80 Nm (59 lb-ft) @ 3500 rpm; GSA: 94 Nm (69 lb-ft) @ 3500 rpm (approx. variations) Cooling System Cooling Method: Air-cooled Engine Internals Valve Train: Overhead Valve (OHV), pushrod operated 🔧 Transmission Standard Type: 4-speed manual transaxle Optional Type: 5-speed manual transaxle (later models/GSA) Features Clutch Type: Single dry plate, hydraulically actuated Fluid Specifications Transmission Fluid Type: Likely SAE 80W or SAE 75W-90 GL-4 gear oil (verify with specific manual details) 📐 Dimensions Exterior Wheelbase: 2570 mm (101.2 in) Length: 4140 mm (163 in) Width: 1660 mm (65.4 in) Height: 1330 mm (52.4 in) Weights Curb Weight: Approx. 970 kg (2138 lbs) - varies by model and equipment Gross Vehicle Weight Rating: Approx. 1400 kg (3086 lbs) - varies by model and equipment 🛡️ Safety Features Ratings Crash Test Data: Limited contemporary data available, modern standards not applicable. Active Features Braking System: Front: Disc brakes; Rear: Drum brakes. Hydropneumatic system provides self-leveling and assisted braking. Passive Features Seatbelts: Front seat belts standard, rear optional depending on trim and market. Body Structure: Unitary construction with crumple zones, designed for safety of its era. 💡 Technology Features Infotainment Radio: Optional AM/FM radio common for the era. Dashboard Design: Distinctive 'satellite' steering wheel and dashboard layout (especially in GSA) with integrated controls. Driver Assistance Cruise Control: Not typically available on models of this year. Power Steering: Not standard, often a feature on higher trims or later models. 🔧 Maintenance Service Intervals Oil Change: Typically every 5,000 km or 6 months for regular use (specific intervals detailed in manual). Filter Replacement: Oil filter with every oil change; Air filter and fuel filter as per manual schedule (e.g., 10,000-20,000 km). Spark Plug Replacement: Varies by plug type, generally 15,000-20,000 km. Fluid Specifications Engine Oil Type: Likely SAE 20W-50 or 10W-40 (air-cooled engine characteristics) or a specific API SF/SG rated oil. Manual confirmation essential. Engine Oil Capacity: Approx. 2.75 liters (2.9 US quarts) with filter change. Coolant Type: N/A (air-cooled) Brake Fluid Type: DOT 3 or DOT 4 hydraulic fluid (verify with manual). Suspension Fluid Type: Citroen LHM Plus (or equivalent HYDRANFC) Known Issues Hydropneumatic Suspension Leaks: Common issue due to age of seals and hoses, requires specialized knowledge for repair. Engine Oil Consumption: Air-cooled boxer engines can be prone to oil consumption; piston rings and valve seals are common areas for wear. Rust: As with many cars of this era, rust can be a significant issue, especially on sills, wheel arches, and floor pans. Electrical Gremlins:...