🏷️ Basic Information

Make:

Citroën

Model:

GS / GSA

Year:

1971

Vehicle Code:

GS (1970-1986), GSA (1980-1986)

👋 Introduction

Target Audience:

DIY enthusiasts, Independent repair shops, Citroën owners seeking self-sufficiency

Advantage:

Professional quality, same as used by local service/repair shops, comprehensive coverage, significant cost savings on repairs

Manual Value:

Empowers users to perform repairs, essential for maintenance and troubleshooting, saves time and money

📋 Manual Details

Applicable Models:

All GS and GSA models, All engines, All trim levels, All transmission types

Estimated Pages:

Hundreds (as indicated by 'hundreds of pages of diagrams and detailed information')

Type:

Workshop Repair Service Manual

Language:

English

File Format:

PDF

📖 Manual Coverage

Covered Systems:

General Maintenance, Troubleshooting, Engine Service/Repair, Transmission Service/Repair, Brake System, Wiring Diagram, Electrical System, Suspension, Periodic Lubrication, Steering, Cooling System, Fuel Injection/Fuel System, Emission System, Heater/Air Conditioning, Engine Control System, Chassis/Body, Restraint System, Interior, Differential/Drive, Axle

Procedures:

Diagnostic procedures, Repair procedures, Maintenance procedures, Disassembly, Assembly, Cleaning, Reinstalling, Troubleshooting, Electrical service procedures

Depth:

Professional Technician Level, Detailed substeps, Critical information notes/cautions/warnings, Step-by-step numbered instructions, Detailed illustrations/drawings/photos, Enlarged inset for part examination

📊 Manual Specifications

Quality:

High Quality, Printable

Zoom Capability:

Zoom IN/OUT

Print Readiness:

Full Printable

Binding:

Digital Download (PDF)

Paper Type:

Not Applicable (Digital)

Delivery Method:

Instant Download

Software Requirements:

Adobe PDF Reader, WinZip

Operating Systems:

All Versions of Windows & Mac

⚙️ Engine Specifications

Engine Type:

Air-cooled flat-four cylinder (known as 'Donkey' engine)

Displacement Gs:

1129 cc (GS 1100, GS X2)

Displacement Gsa:

1220 cc (GSA, GSA X3)

Fuel Delivery:

Twin-choke downdraft carburetor (e.g., Solex 34-PICS or similar)

Fuel Type:

Unleaded gasoline (for later models, leaded for early models)

🔧 Transmission

Type:

4-speed or 5-speed manual transaxle

Type:

Citroën's semi-automatic (Hydraulique or Electronic - 'Reflex')

Layout:

Front-wheel drive, integrated engine and transaxle unit

📐 Dimensions

Body Styles:

2-door sedan, 4-door sedan, Estate (Break), Service (Van)

Curb Weight Approx:

900 - 1000 kg (depending on model and equipment)

🛡️ Safety Features

Safety Era:

Designed to 1970s safety standards; limited structural safety features compared to modern vehicles

Braking System:

Four-wheel disc brakes (inboard front discs, outboard rear discs) with a brake pressure regulator

Seatbelts:

Typically front seatbelts; rear seatbelts became more common with later models or optional.

💡 Technology Features

Audio System:

Basic AM/FM radio, often with a single speaker. Later models may have had upgraded stereo options.

Suspension System:

Hydropneumatic suspension providing self-leveling and excellent ride comfort, a hallmark of Citroën.

Connectivity Features:

None by modern standards; primarily mechanical and electrical systems.

🔧 Maintenance

Oil Change:

Typically 5,000 - 7,500 km (or annually), but refer to manual for specific intervals based on usage.

Engine Oil Type:

Refer to manual; likely SAE 20W-50 or similar multi-grade for air-cooled engines, or a specific Citroën recommended oil.

Hydraulic Fluid:

LHM (Liquide Hydraulique Minéral) - Red mineral-based fluid for suspension, steering, and brakes.

Transmission Fluid:

Refer to manual; likely SAE 80W-90 or similar gear oil.

Common Problems:

Hydropneumatic suspension issues (leaks, sagging), cooling system efficiency (due to air-cooling design), electrical system corrosion, rear axle bearing wear, carburetor tuning.

Bodywork Concerns:

Rust, particularly around wheel arches, sills, and suspension mounting points.

📚 Vehicle History

Citroen Innovation:

Known for radical and innovative engineering, including hydropneumatic suspension and front-wheel drive.

Gs Introduction:

Introduced in 1970 as a mid-size family car, intended to bridge the gap between the 2CV and the larger DS.

Gsa Introduction:

Facelifted version (GSA) introduced in 1980 with updated styling, interior, and improved features.

Production Period:

GS: 1970-1986; GSA: 1980-1986

Manufacturing Location:

France

🏆 Awards & Recognition

Design Award:

The GS was highly regarded for its aerodynamic design and modern styling for its era, often praised by automotive journalists.

European Car Of The Year:

Runner-up for European Car of the Year in 1971.