🏷️ Basic Information Identification Make: Citroën Model: AX Year: 1991 Codes Product Name: Citroën AX 1991 Service Repair Workshop Manual 👋 Introduction Market Position Target Audience: Owners of the 1991 Citroën AX with basic mechanical skills and independent auto service professionals. Key Features Accuracy And Clarity: Features accurate, clear, and concise text combined with diagrams, illustrations, and wiring schematics. Manufacturer Written: Written by the manufacturer (Citroën), ensuring it is vehicle-specific and not generic. Value Proposition Cost Savings: Enables owners to perform maintenance and repairs, potentially saving significant amounts on labor costs. Accessibility Device Compatibility: Viewable on PC, Mac, and various devices including phones and ebook readers. 📋 Manual Details Coverage Areas General Information: Included Engine Mechanical System: Included Engine Electrical System: Included Emission Control System: Included Fuel System: Included Clutch System: Included Manual Transaxle System: Included Automatic Transaxle System: Included Driveshaft And Axle: Included Suspension System: Included Steering System: Included Restraint System: Included Brake System: Included Body Interior And Exterior: Included Body Electrical System: Included HVAC System: Included Page Count Estimated Page Count: Detailed analysis suggests a comprehensive manual likely exceeding 800 pages based on the breadth of topics. Manual Type Type: Service Repair Workshop Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered All Major Systems: Covers all major mechanical, electrical, and body systems of the 1991 Citroën AX. Procedures Included Repair And Troubleshooting: Detailed step-by-step instructions for repair and troubleshooting across all covered systems. Maintenance: Includes routine maintenance procedures. Technical Depth Depth: Designed for both owners with basic mechanical skills and independent professionals, offering dealer-level repair and diagnostic information. Diagnostic Information: Provides diagnostic procedures for identifying and resolving faults. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text within the PDF for efficient information retrieval. Print Quality Printability: Fully printable, allowing users to print specific pages as needed. Binding Type Binding: N/A (Digital PDF format) Paper Type Paper Quality: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Options 1991: Likely includes variants of the TU engine family (e.g., TU9, TU1, TU3), typically 1.0L, 1.1L, or 1.3L petrol engines. Diesel variants might also be covered. Performance Horsepower Torque: Detailed specifications for horsepower and torque outputs for various engine variants will be present. Fuel System Fuel Delivery: Coverage includes carbureted (likely for base models) and possibly early fuel injection (MPI) systems depending on the specific engine variant and market. Engine Mechanical System Engine Internals: Details on cylinder head, block, pistons, crankshaft, camshafts, timing belt/chain, lubrication system. Engine Electrical System Ignition System: Information on spark plugs, ignition coils, distributor (if applicable), electronic control unit (ECU) for ignition timing. Emission Control System Emission Components: Details on catalytic converters, oxygen sensors, EGR (Exhaust Gas Recirculation) if fitted, and emission control module. 🔧 Transmission Standard Manual Transmission: Likely covers 4-speed and 5-speed manual transaxles. Optional Automatic Transmission: If available for the 1991 model year and specific engines, coverage of automatic transaxles will be included. Features Clutch Operation: Information on clutch assembly, actuation mechanism (hydraulic or cable), and service procedures. Gear Ratios: Specifications for gear ratios for both manual and automatic transmissions will be provided. Transaxle Fluid Fluid Type: Specifications for recommended transmission fluid (e.g., GL-4 gear oil) and capacity. 📐 Dimensions Exterior Body Style: Primarily a 3-door hatchback, with some markets potentially offering a 5-door variant. Wheelbase: Wheelbase typically around 2,300 mm (90.5 inches), specific to the AX platform. Track Width: Front and rear track width specifications will be detailed. Weights Curb Weight: Curb weight typically ranges from approximately 700 kg to 850 kg depending on engine and equipment. Gross Vehicle Weight: GVW ratings will be provided for safe loading and towing capacities. 🛡️ Safety Features Ratings Crash Test Results: While Euro NCAP was not established in its current form in 1991, the manual will detail structural integrity and safety features in accordance with the standards of the era. Passive Features Seatbelts: Information on pre-tensioning seatbelts (if equipped) and manual adjustment. Interior Materials: Details on interior padding and impact absorption zones. Active Features Braking System: Comprehensive coverage of front disc and rear drum brakes, including hydraulic systems, master cylinder, and potential ABS (Anti-lock Braking System) if fitted to higher trims. Steering System: Details on steering rack, tie rods, and steering column. Power steering was uncommon on base AX models but might be covered if present. 💡 Technology Features Infotainment Audio System: Basic radio/cassette player, often with aftermarket options available. Manual will cover wiring and installation basics. Driver Assistance ABS: Optional on some higher trims, with detailed diagnostic and repair procedures if equipped. Connectivity Wiring Schematics: Extensive wiring diagrams for all electrical systems, crucial for diagnosing faults and modifications. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000-15,000 km or annually, with specific recommendations in the manual. Timing Belt Replacement: Crucial interval for TU engines, often...
Owners of the 1991 Citroën AX with basic mechanical skills and independent auto service professionals.
Key Features
Accuracy And Clarity:
Features accurate, clear, and concise text combined with diagrams, illustrations, and wiring schematics.
Manufacturer Written:
Written by the manufacturer (Citroën), ensuring it is vehicle-specific and not generic.
Value Proposition
Cost Savings:
Enables owners to perform maintenance and repairs, potentially saving significant amounts on labor costs.
Accessibility
Device Compatibility:
Viewable on PC, Mac, and various devices including phones and ebook readers.
📋 Manual Details
Coverage Areas
General Information:
Included
Engine Mechanical System:
Included
Engine Electrical System:
Included
Emission Control System:
Included
Fuel System:
Included
Clutch System:
Included
Manual Transaxle System:
Included
Automatic Transaxle System:
Included
Driveshaft And Axle:
Included
Suspension System:
Included
Steering System:
Included
Restraint System:
Included
Brake System:
Included
Body Interior And Exterior:
Included
Body Electrical System:
Included
HVAC System:
Included
Page Count
Estimated Page Count:
Detailed analysis suggests a comprehensive manual likely exceeding 800 pages based on the breadth of topics.
Manual Type
Type:
Service Repair Workshop Manual
Language
Language:
English
Format
Format:
PDF
📖 Manual Coverage
Systems Covered
All Major Systems:
Covers all major mechanical, electrical, and body systems of the 1991 Citroën AX.
Procedures Included
Repair And Troubleshooting:
Detailed step-by-step instructions for repair and troubleshooting across all covered systems.
Maintenance:
Includes routine maintenance procedures.
Technical Depth
Depth:
Designed for both owners with basic mechanical skills and independent professionals, offering dealer-level repair and diagnostic information.
Diagnostic Information:
Provides diagnostic procedures for identifying and resolving faults.
📊 Manual Specifications
File Format
File Type:
PDF
Searchability:
Likely searchable text within the PDF for efficient information retrieval.
Print Quality
Printability:
Fully printable, allowing users to print specific pages as needed.
Binding Type
Binding:
N/A (Digital PDF format)
Paper Type
Paper Quality:
N/A (Digital PDF format)
⚙️ Engine Specifications
Primary Engine
Engine Options 1991:
Likely includes variants of the TU engine family (e.g., TU9, TU1, TU3), typically 1.0L, 1.1L, or 1.3L petrol engines. Diesel variants might also be covered.
Performance
Horsepower Torque:
Detailed specifications for horsepower and torque outputs for various engine variants will be present.
Fuel System
Fuel Delivery:
Coverage includes carbureted (likely for base models) and possibly early fuel injection (MPI) systems depending on the specific engine variant and market.
Information on spark plugs, ignition coils, distributor (if applicable), electronic control unit (ECU) for ignition timing.
Emission Control System
Emission Components:
Details on catalytic converters, oxygen sensors, EGR (Exhaust Gas Recirculation) if fitted, and emission control module.
🔧 Transmission
Standard
Manual Transmission:
Likely covers 4-speed and 5-speed manual transaxles.
Optional
Automatic Transmission:
If available for the 1991 model year and specific engines, coverage of automatic transaxles will be included.
Features
Clutch Operation:
Information on clutch assembly, actuation mechanism (hydraulic or cable), and service procedures.
Gear Ratios:
Specifications for gear ratios for both manual and automatic transmissions will be provided.
Transaxle Fluid
Fluid Type:
Specifications for recommended transmission fluid (e.g., GL-4 gear oil) and capacity.
📐 Dimensions
Exterior
Body Style:
Primarily a 3-door hatchback, with some markets potentially offering a 5-door variant.
Wheelbase:
Wheelbase typically around 2,300 mm (90.5 inches), specific to the AX platform.
Track Width:
Front and rear track width specifications will be detailed.
Weights
Curb Weight:
Curb weight typically ranges from approximately 700 kg to 850 kg depending on engine and equipment.
Gross Vehicle Weight:
GVW ratings will be provided for safe loading and towing capacities.
🛡️ Safety Features
Ratings
Crash Test Results:
While Euro NCAP was not established in its current form in 1991, the manual will detail structural integrity and safety features in accordance with the standards of the era.
Passive Features
Seatbelts:
Information on pre-tensioning seatbelts (if equipped) and manual adjustment.
Interior Materials:
Details on interior padding and impact absorption zones.
Active Features
Braking System:
Comprehensive coverage of front disc and rear drum brakes, including hydraulic systems, master cylinder, and potential ABS (Anti-lock Braking System) if fitted to higher trims.
Steering System:
Details on steering rack, tie rods, and steering column. Power steering was uncommon on base AX models but might be covered if present.
💡 Technology Features
Infotainment
Audio System:
Basic radio/cassette player, often with aftermarket options available. Manual will cover wiring and installation basics.
Driver Assistance
ABS:
Optional on some higher trims, with detailed diagnostic and repair procedures if equipped.
Connectivity
Wiring Schematics:
Extensive wiring diagrams for all electrical systems, crucial for diagnosing faults and modifications.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically every 10,000-15,000 km or annually, with specific recommendations in the manual.
Timing Belt Replacement:
Crucial interval for TU engines, often around 60,000-80,000 km or 4-5 years. Manual will specify exact interval and procedure.
Fluid Specifications
Engine Oil Type:
Likely API SF or SG, with viscosity grades such as 10W-40 or 15W-40. Manual will confirm specific grades and capacities.
Coolant Type:
Ethylene glycol based coolant, often a pink or blue mixture. Manual specifies type and capacity.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Known Issues
Common Ax Problems:
Potential issues include aging rubber components (bushings, hoses), carburetor adjustments (if applicable), electrical connectors, and suspension wear. Manual will detail troubleshooting for these.
📚 Vehicle History
Brand Heritage
Citroen Philosophy:
The AX represents Citroën's focus on lightweight, economical, and innovative design, carrying forward the brand's tradition of pioneering automotive engineering.
Model Evolution
Ax Development:
The AX was launched in 1986 as a replacement for the Visa and LN. The 1991 model year would represent a mid-cycle update or continuation of the initial design.
Production
Manufacturing Locations:
Primarily manufactured in France, with potential assembly in other European countries.
🏆 Awards & Recognition
Recognitions
European Car Of The Year:
While not a winner, the Citroën AX was a strong contender in its class for European Car of the Year, recognized for its innovative design and economy.
Ratings
Fuel Efficiency Recognition:
The AX was widely praised for its exceptional fuel economy, often winning or being highly rated in economy runs.