🏷️ Basic Information

Make:

Citroën

Model:

AX

Year:

1988

Chassis Code:

ZA

👋 Introduction

Segment:

Subcompact hatchback, positioned as an economical and agile city car.

Competitors:

Ford Fiesta, Opel Corsa/Vauxhall Nova, Fiat Uno, Volkswagen Polo, Renault 5.

Design Philosophy:

Lightweight construction, compact dimensions, fuel efficiency, and innovative design (e.g., short overhangs, accessible components).

Target Audience:

Primarily aimed at cost-conscious buyers seeking reliable and economical transportation, appealing to younger drivers and urban commuters.

📋 Manual Details

Manual Type:

Repair Service Manual

Language:

English

Format:

PDF Download

Print Ability:

Full Printable

Zoom Functionality:

Zoom IN/OUT enabled

Delivery Method:

Instant Download

Software Requirements:

Adobe PDF Reader, WinZip

Operating System Compatibility:

All Versions of Windows & Mac

📖 Manual Coverage

Engine:

Detailed diagnostics, repair, overhaul procedures for all petrol engine variants including TU series (e.g., TU1, TU3) and possibly XY series.

Fuel System:

Carburetor systems (e.g., Solex, Weber), fuel injection (if applicable for specific trims), fuel pump, lines, and tank servicing.

Ignition System:

Spark plugs, coils, distributors, ignition timing, electronic ignition components.

Cooling System:

Radiator, water pump, thermostat, hoses, fan operation, coolant specifications.

Exhaust System:

Manifold, catalytic converter (if fitted), mufflers, pipes, and mounting hardware.

Transmission:

Manual gearbox overhaul, clutch replacement, gear shift mechanism, lubrication, and potential automatic transmission specifics if offered.

Drivetrain:

Front-wheel drive system, CV joints, drive shafts, differential servicing.

Suspension:

Front MacPherson struts, rear torsion beam suspension, shock absorbers, bushings, wheel alignment specifications.

Steering:

Manual steering rack, tie rod ends, steering column, lubrication.

Brakes:

Front disc brakes, rear drum brakes, brake fluid specifications, bleeding procedures, master cylinder, wheel cylinders, parking brake system.

Electrical System:

Battery, charging system (alternator), starting system (starter motor), lighting, wipers, horn, fuses, relays, wiring diagrams.

Body And Chassis:

Body panel removal/installation, door mechanisms, glass replacement, interior trim, underbody corrosion protection.

Heating And Ventilation:

HVAC system operation, heater core, blower motor, demisters.

Maintenance:

Scheduled maintenance tasks, oil changes, filter replacements, fluid checks, lubrication points, belt tensioning.

Disassembly:

Step-by-step instructions for component removal and disassembly.

Assembly:

Step-by-step instructions for component reassembly.

Cleaning:

Procedures for cleaning parts during repair and maintenance.

Reinstallation:

Proper procedures for reinstalling components with torque specifications.

Troubleshooting:

Diagnostic charts and procedures for identifying common faults and issues.

Technical Specifications:

Critical data for engine, chassis, and electrical components including torque values, clearances, and tolerances.

Depth:

Covers fundamental maintenance to complex engine and transmission overhauls, catering to both DIY enthusiasts with mechanical aptitude and professional technicians.

📊 Manual Specifications

File Type:

PDF

Quality:

High-resolution, suitable for clear viewing and printing.

Digital Format:

Downloadable PDF (simulates a bound manual when printed)

Digital Format:

N/A (Digital)

⚙️ Engine Specifications

Engine Code Example:

TU1 (1.1L), TU3 (1.3L)

Engine Type:

Inline 4-cylinder, SOHC (Single Overhead Camshaft)

Displacement Example:

1124cc (TU1), 1294cc (TU3)

Horsepower Range Example:

Approx. 54-60 HP for 1.1L, 65-75 HP for 1.3L

Torque Range Example:

Approx. 85-90 Nm for 1.1L, 100-110 Nm for 1.3L

Fuel Delivery:

Primarily carbureted (e.g., Solex 34 PICS, Weber 32 ICEV) for 1988 models; some later variants may feature basic single-point injection.

Recommended Fuel:

Unleaded gasoline (95 RON)

🔧 Transmission

Type:

5-speed manual transaxle

Type:

Possibly a 3-speed automatic transmission on some higher trims or export markets, though less common for this era.

Clutch:

Single dry plate diaphragm clutch.

Gear Ratios:

Specific gear ratios are detailed within the manual, crucial for performance and fuel economy analysis.

📐 Dimensions

Length:

Approx. 3630 mm (142.9 in)

Width:

Approx. 1590 mm (62.6 in)

Height:

Approx. 1320 mm (52.0 in)

Wheelbase:

Approx. 2250 mm (88.6 in)

Curb Weight:

Approx. 730-780 kg (1609-1719 lbs), depending on engine and equipment.

Boot Space:

Configurable with rear seats folded, offering practical urban utility.

🛡️ Safety Features

Era Specific Ratings:

Euro NCAP ratings were not standard for vehicles of this era. Safety features focus on passive elements of the time.

Braking System:

Front disc, rear drum; ABS was not a standard feature on 1988 models.

Seatbelts:

Standard front seatbelts; rear seatbelts likely standard on most trims.

Body Structure:

Designed with crumple zones for impact absorption, characteristic of contemporary automotive safety.

💡 Technology Features

Audio System:

Basic AM/FM radio, often with a single speaker. Cassette player optional on higher trims.

Dashboard Features:

Analog gauges for speedometer, tachometer (optional), fuel level, and engine temperature. Warning lights for essential systems.

None:

No electronic driver assistance systems were available on the 1988 AX model.

None:

No telematics or integrated connectivity features.

🔧 Maintenance

Oil Change:

Typically every 10,000-15,000 km (6,000-9,000 miles) or 12 months, whichever comes first.

Air Filter Replacement:

Every 20,000-30,000 km (12,000-18,000 miles) or as needed based on conditions.

Spark Plugs:

Refer to manual for specific type (e.g., copper or platinum) and replacement interval, usually 20,000-40,000 km.

Engine Oil:

API SG/SH or ACEA A1/B1 rated, viscosity typically 10W-40 or 15W-40 depending on climate and engine type. Refer to manual for exact specification.

Coolant:

Ethylene glycol-based antifreeze with corrosion inhibitors, mixed 50/50 with distilled water. Manual will specify type and capacity.

Brake Fluid:

DOT 3 or DOT 4, hygroscopic; requires flushing and replacement typically every 2 years.

Transmission Oil:

Manual transmission fluid (MTF) or gear oil, GL-4 rated, viscosity typically 75W-80 or 75W-90. Manual will confirm exact specification and capacity.

Common Wear Items:

Front suspension components (wishbone bushings, ball joints), exhaust system corrosion, clutch wear, carburetor issues, electrical connections (corrosion).

Electrical Quirks:

Older wiring harnesses can be prone to degradation and poor contact, affecting various systems. Ground points are critical.

Body Integrity:

Rust can be a concern in certain climates, particularly around wheel arches, sills, and the subframes.

📚 Vehicle History

Citroen Philosophy:

Citroën's legacy of innovation, efficiency, and driver comfort is reflected in the AX's design and engineering.

Predecessor:

Citroën Visa

Launch Year:

1986

Key Innovations:

Emphasis on lightweight materials (plastics, aluminium), aerodynamic efficiency, and compact packaging.

Manufacturing Locations:

Primary production in France (Aulnay-sous-Bois) and other European facilities depending on market.

🏆 Awards & Recognition

European Awards:

While specific awards for the 1988 model might be scarce, the AX was well-received for its economy, design, and practicality in the European market, contributing to Citroën's reputation in the small car segment.