Target Audience:
Professional mechanics, enthusiasts undertaking restoration, and dedicated DIY owners.
Value Proposition:
Provides the same in-depth technical data used by professional workshops, offering significant cost savings over dealership servicing.
Instructional Style:
Numbered steps, bold figure references, detailed illustrations, and critical notes enhance user comprehension.
Delivery:
Instant Download, eliminating shipping costs and wait times.
Coverage Scope:
Comprehensive service, repair, and maintenance
Estimated Page Count:
Detailed coverage implies significant depth, likely 500+ pages based on content description.
Type:
Full Service Repair Manual
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.
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.
Depth:
Suitable for professional technicians and advanced DIY enthusiasts; covers intricate details.
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)
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 Method:
Air-cooled
Valve Train:
Overhead Valve (OHV), pushrod operated
Crash Test Data:
Limited contemporary data available, modern standards not applicable.
Braking System:
Front: Disc brakes; Rear: Drum brakes. Hydropneumatic system provides self-leveling and assisted braking.
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.
Radio:
Optional AM/FM radio common for the era.
Dashboard Design:
Distinctive 'satellite' steering wheel and dashboard layout (especially in GSA) with integrated controls.
Cruise Control:
Not typically available on models of this year.
Power Steering:
Not standard, often a feature on higher trims or later models.
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.
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)
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:
Older wiring looms and connections can degrade, leading to intermittent electrical faults.
Citroen Innovation:
Citroen is renowned for its pioneering spirit in automotive engineering, particularly with front-wheel drive, hydropneumatic suspension, and aerodynamic design.
Gs Introduction:
The Citroen GS was introduced in 1970 as a replacement for the Ami 8 and aimed to offer a more modern, comfortable, and aerodynamic alternative in the family car segment.
Gsa Introduction:
The GSA was a facelifted and improved version of the GS, launched in 1979. It featured revised styling, a new dashboard, improved engines, and the hatchback body style.
Production Period:
GS: 1970-1986; GSA: 1979-1986
Manufacturing Plant:
Rennes-La Janais, France
