Market Position:
The Citroen ZX was positioned as a mainstream compact hatchback in the European market, competing with vehicles like the Volkswagen Golf, Ford Escort, and Peugeot 306. It was known for its comfortable ride and innovative Hydractive suspension on higher trims.
Competitive Analysis:
Offered a blend of French comfort and practicality, often with a focus on ride quality over sporty handling. Its distinctive styling and use of composite materials for body panels were noteworthy.
Key Features:
Hydractive suspension (optional on some models), comfortable interior, efficient engines, distinctive body styling, good fuel economy.
Coverage Areas:
All Models, All Engines, All Trim Levels, All Transmission Types
Page Count:
Hundreds of pages (estimated based on typical workshop manuals of this era)
Manual Type:
Workshop Repair Service Manual
Systems Covered:
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 Included:
Detailed substeps, Notes, Cautions, Warnings, Numbered instructions, Disassembly, Assembly, Cleaning, Reinstalling procedures, Diagnostic procedures, Electrical service procedures
Technical Depth:
Comprehensive professional-level diagnostics, repair, and maintenance information, equivalent to factory service manuals used by local repair shops.
Primary Engine:
1.4L (TU3) Inline-4 Petrol Engine
Engine Options:
1.1L (TU1), 1.6L (XU5), 1.8L (XU7), 1.9L (XU9) Diesel, 1.9L (XUD9TE) Turbo Diesel, 2.0L (XU10J2) Inline-4 Petrol Engine (including 16v versions for GTi models)
Performance 1.4L:
Approx. 75 PS (74 hp; 55 kW) @ 6200 rpm, Approx. 110 Nm (81 lb-ft) @ 3200 rpm
Fuel System:
Fuel Injection (Bosch Motronic, Lucas) or Carburetor (Weber, Solex) depending on engine and market
Exterior Dimensions 3-Door:
Length: ~3970 mm, Width: ~1680 mm, Height: ~1380 mm
Exterior Dimensions 5-Door:
Length: ~4000 mm, Width: ~1680 mm, Height: ~1380 mm
Curb Weight:
Varies by engine and equipment, typically 950-1200 kg
Safety Ratings:
Euro NCAP ratings not applicable for this era of vehicle, but known for robust construction typical of French cars.
Active Features:
Anti-lock Braking System (ABS) - Optional on some models, power-assisted steering.
Passive Features:
Seatbelts, collapsible steering column, reinforced chassis structure.
Infotainment Features:
Basic radio/cassette player, optional CD player on later models. Manual climate control.
Driver Assistance Features:
Power steering, optional ABS. No advanced electronic driver aids typical of modern vehicles.
Connectivity Features:
N/A (No Bluetooth or USB connectivity).
Oil Change Interval:
Typically every 10,000 km (6,000 miles) or 12 months, whichever comes first, depending on driving conditions.
Timing Belt Interval:
Recommended replacement every 80,000 - 120,000 km (50,000 - 75,000 miles) or 5-6 years, depending on engine variant. Crucial for interference engines.
Engine Oil Specification:
API SF/SG, ACEA A1 or A2, viscosity grades such as 10W-40 or 15W-50 (refer to manual for specific engine).
Coolant Specification:
Ethylene glycol based antifreeze, typically a 50/50 mix with distilled water. Consult manual for specific type (e.g., OAT or HOAT).
Brake Fluid Specification:
DOT 3 or DOT 4.
Transmission Fluid Manual:
API GL-4, SAE 75W-80 or 75W-90 gear oil.
Transmission Fluid Automatic:
Dexron III or equivalent.
Known Issues:
Hydropneumatic suspension sphere degradation (requiring replacement), electrical gremlins common in older French cars, heater matrix leaks, front suspension top mount wear, clutch slave cylinder leaks.
Oil Filter Part Number Example:
Example for TU engines: Purflux LS412, Fram PH4850 (always verify with vehicle VIN).
Tire Size Common:
175/65 R14, 185/60 R14, 195/55 R15 (depending on trim and wheel size).
Brand Heritage:
Citroen has a long history of innovative engineering, particularly in suspension systems and design, dating back to the early 20th century with models like the Traction Avant and 2CV.
Model Evolution:
The ZX was developed to replace the ageing Citroen Visa and Talbot Horizon. It was designed with a focus on aerodynamic efficiency and passenger comfort, setting new standards for its class in ride quality, especially with the Hydractive suspension.
Production Years:
1991-1998
Manufacturing Locations:
France (Aulnay-sous-Bois), Spain, UK (Ryton)
