Positioning:
Professional-grade repair information for Citroën GS/GSA owners and independent workshops.
Advantage:
Provides factory-level detail equivalent to or exceeding in-store manuals, offering significant cost savings on repairs.
Documentation Source:
Manufacturer-written original workshop manual.
Detail Level:
Hundreds of pages with detailed diagrams, photos, and step-by-step instructions.
Usability:
Easy-to-follow directions, numbered instructions, and clear table of contents.
Digital Advantage:
Cleanliness, portability, and ability to print specific sections as needed.
Engine Service Repair:
Comprehensive Engine Overhaul, Tuning, Component Replacement
Transmission Service Repair:
Manual and potentially Automatic Transmission Service, Repair, and Overhaul
Brake System:
Hydraulic System Diagnosis, Pad/Shoe Replacement, Caliper/Cylinder Service, Fluid Maintenance
Wiring Diagrams:
Detailed Electrical Schematics for all Vehicle Systems
Electrical System:
Component Testing, Fault Diagnosis, Wiring Harness Repair
Suspension:
Hydropneumatic System Service, Component Replacement, Pressure Checks, Adjustments
Periodic Lubrication:
Lubrication Points, Fluid Types, and Service Intervals
Steering:
Steering Rack Service, Component Replacement, Alignment Procedures
Cooling System:
Radiator, Fan, Thermostat, Coolant Service, Leak Diagnosis
Fuel Injection Fuel System:
Fuel Pump, Injectors, Fuel Lines, Carburetor (if applicable) Service and Diagnosis
Emission System:
Emission Control Components, Diagnosis, and Adjustment
Heater Air Conditional:
HVAC System Service, Component Repair, Refrigerant Handling
Engine Control System:
ECU Diagnosis, Sensor Testing, Actuator Checks
Chassis Body:
Body Panel Repair, Structural Integrity Checks, Underbody Protection
Restraint System:
Seatbelt Service and Inspection
Interior:
Trim Removal, Component Replacement, Upholstery Care
Differential Drive:
Front Wheel Drive Axle and Differential Service
Axle:
Front Axle Component Service and Inspection
General Maintenance:
Routine Checks, Fluid Top-offs, Filter Replacements
Troubleshooting:
Systematic Fault Finding for Common and Complex Issues
Repair Procedures:
Step-by-step Instructions for Component Removal, Installation, and Reassembly
Diagnostics:
Detailed Diagnostic Flowcharts and Test Procedures
Disassembly Assembly:
Complete Instructions for Taking Apart and Reassembling Major Vehicle Components
Cleaning Reinstalling:
Guidelines for Cleaning Components During Reassembly
Depth:
Comprehensive, Professional Technician Level
Engine Type:
Flat-four (Boxer) Air-Cooled
Displacement Gs:
1220 cc (GS models)
Displacement Gsa:
1299 cc (GSA models)
Power Gs:
Approx. 56-62 hp (depending on variant)
Power Gsa:
Approx. 65 hp (GSA 1.3)
Fuel Delivery Gs:
Single or Twin-Choke Carburetor (e.g., Solex, Weber)
Fuel Delivery Gsa:
Carburetor (GSA 1.3), potential for fuel injection on later/specific variants (though manual covers 1980 GS/GSA generally indicating carburetors).
Oil Change:
Typically every 5,000-7,500 km or 6 months, check manual for specific intervals.
Air Filter Replacement:
As needed, or every 15,000-20,000 km.
Engine Oil:
Refer to manual for specific viscosity (e.g., 20W-50 or 10W-40, depending on climate).
Hydropneumatic Fluid:
LHM (Liquide Hydraulique Minéral) - specific Citroën specification.
Brake Fluid:
DOT 3 or DOT 4 (check manual for exact specification).
Suspension Leaks:
Potential for leaks in the hydropneumatic spheres or hydraulic lines over time.
Electrical Corrosion:
Age-related corrosion in wiring connectors and grounding points.
Rust:
Common susceptibility to rust, especially in wheel arches and sills.
Citroen Innovation:
Citroën's legacy of innovative and avant-garde automotive design.
Gs Introduction:
The GS was introduced in 1970, praised for its aerodynamic design and hydropneumatic suspension.
Gsa Introduction:
The GSA was a facelifted version of the GS, introduced in 1979 with updated styling and interior, including the distinctive 'planetary' dashboard.
Production Period:
GS: 1970-1986, GSA: 1979-1986
