Target Audience:
Citroën GS/GSA owners, enthusiasts, mechanics, and restoration specialists.
Comparison To Alternatives:
Haynes manuals are renowned for their practical, DIY-focused approach, often more detailed for repair than official factory manuals for home mechanics.
Accessibility:
Instant digital download provides immediate access to critical repair and maintenance information.
Information Source:
Technical details directly from the manufacturer, compiled by skilled mechanics.
Usability:
Step-by-step instructions, accompanied by pictures and diagrams, simplify complex procedures.
Covered Years:
1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985
Estimated Page Count:
400-600 (Typical for Haynes Comprehensive Manuals)
Type:
Service and Repair Manual (Owners Workshop Manual)
Language:
English (Presumed, based on 'Haynes')
Format:
Digital Download (PDF)
Engine:
Detailed coverage of all engine variants, including overhaul, tuning, and troubleshooting.
Fuel System:
Carburetor (Zenith, Solex), fuel pumps, lines, and tank maintenance.
Cooling System:
Radiator, hoses, water pump, thermostat, and fan assembly.
Ignition System:
Distributor, coil, spark plugs, and ignition timing.
Exhaust System:
Exhaust manifolds, pipes, muffler, and catalytic converter (for later models).
Transmission:
Manual and automatic gearbox overhauls, clutch replacement, and driveshaft maintenance.
Suspension:
Citroën's signature Hydropneumatic suspension system coverage, including spheres, fluid, and height regulation.
Brakes:
Hydraulic brake system, discs, pads, calipers, master cylinder, and brake fluid.
Steering:
Steering rack, column, and power steering system (if applicable).
Electrical System:
Wiring diagrams, battery, alternator, starter, lighting, and accessory circuits.
Bodywork And Chassis:
Panel repair, rust prevention, door mechanisms, and trim.
Heating And Ventilation:
Heater core, fan, and ducting.
Routine Maintenance:
Oil changes, filter replacements, fluid checks, spark plug replacement, and tune-ups.
Troubleshooting:
Systematic diagnostic procedures for common faults and drivability issues.
Component Overhaul:
Detailed instructions for engine, transmission, suspension, and brake component rebuilds.
Assembly Disassembly:
Step-by-step guidance for removal and installation of various vehicle components.
Painting And Finishing:
Guidance on body repairs, preparation, and painting techniques.
Diagnostic Capabilities:
Comprehensive diagnostic tables and fault finding procedures.
Repair Complexity:
Suitable for DIY mechanics to professional technicians, covering basic maintenance to complex overhauls.
Wiring Diagrams:
Detailed electrical wiring schematics for various vehicle systems.
Torque Specifications:
Precise torque values for critical fasteners throughout the vehicle.
Measurement Units:
Includes both metric and Imperial units where applicable.
Engine Type:
Air-cooled, flat-four (boxer) petrol engine.
Engine Displacement Gs:
1015 cc, 1124 cc, 1220 cc
Engine Displacement Gsa:
1220 cc, 1299 cc
Horsepower Gs:
55-67 hp (depending on variant)
Horsepower Gsa:
65-75 hp (depending on variant)
Torque:
Approx. 80-100 Nm (depending on variant)
Carburetor Variants:
Single Zenith 36/32 or Solex 34-34 TIPA on most models.
Fuel Type:
Unleaded petrol (with lead substitute additive for older engines if required).
Radio:
Period-correct AM/FM radio, often with cassette player in later models.
Dashboard Design:
Iconic and unique 'mushroom' style central dashboard on early GS, replaced by a more conventional (though still modern) dashboard on the GSA.
Power Steering:
Power steering was available on higher-spec models, a significant comfort feature for its time.
Connectivity Features:
N/A (No modern connectivity features).
Oil Change Interval:
Typically every 5,000-10,000 km or annually, whichever comes first (refer to manual for exact specification).
Hydropneumatic Fluid Check:
Regular inspection and topping up of LHM (Citroën hydraulic fluid) is crucial for suspension operation.
Engine Oil Grade:
API SF/SG, SAE 20W-50 or 10W-40 (check manual for climate-specific recommendations).
Coolant Type:
Ethylene glycol-based antifreeze mixture (50/50 with water).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic fluid.
Hydropneumatic Fluid:
Citroën LHM PLUS (Green coloured fluid).
Suspension Spheres:
Degradation of suspension spheres leading to a harsher ride, a common maintenance item.
Hydropneumatic Fluid Leaks:
Leaking hydraulic lines or seals can lead to a loss of ride height.
Rust:
Susceptible to rust, especially in the sills, wheel arches, and door bottoms, requiring regular inspection and treatment.
Electrical Gremlins:
Aging wiring looms and connections can sometimes lead to intermittent electrical faults.
Citroen Innovation:
Citroën's reputation for innovative engineering, particularly with its advanced suspension systems.
Gs Introduction:
Introduced in 1970 as a response to the Volkswagen Golf and Ford Escort, offering advanced technology and comfort.
Gsa Facelift:
The GSA, introduced in 1980, featured a revised dashboard, improved aerodynamics, and updated interior styling.
Production Period:
1970-1986
Manufacturing Locations:
France, Spain, Portugal, Belgium, Yugoslavia.
