🏷️ Basic Information

Make:

Citroën

Model:

C4

Platform Code:

PSA PF2

Generation Designation:

First Generation (Type B58)

Covered Years:

2004-2009

👋 Introduction

Target Audience:

Owners with basic mechanical skills and independent auto service professionals.

Segment:

Compact family car (C-segment).

Value Proposition:

Provides dealer-level specifications and procedures at a fraction of the cost, empowering owners to understand and manage their vehicle's maintenance and repairs.

Access Method:

Instant download upon payment, eliminating shipping costs and wait times.

Device Compatibility:

Viewable on PC, Mac, and various devices including smartphones and e-readers (e.g., Kindle).

📋 Manual Details

Primary Coverage:

Comprehensive service and repair procedures for Citroën C4 (2004-2009)

Specific Engines Covered:

1.6L Petrol (likely the TU5/EC5 variants) and 1.6L HDi Diesel engines

Estimated Page Count:

Varies by edition, but typically 1000+ pages for a comprehensive service manual.

Type:

Service and Repair Manual

Language:

Spanish

Format:

PDF

📖 Manual Coverage

Powertrain:

Engine service and overhauling, fuel system, induction, emission control, mechanical components, transmission, differentials.

Chassis And Body:

Chassis, bodywork, steering, suspension, brakes (including ABS).

Electrical And Diagnostics:

Wiring diagrams, control systems, troubleshooting, and diagnostics.

Emission Control Systems:

Covers diagnosis and repair of emission control systems, including catalytic converters, oxygen sensors, and EGR (Exhaust Gas Recirculation) valves.

Control Systems:

Detailed information on engine management systems, ABS control modules, and other electronic control units (ECUs).

Fuel System:

Covers fuel tank, pump, lines, injectors (petrol), and high-pressure fuel pump and injectors (diesel).

Induction And Exhaust:

Includes intake manifolds, air filters, exhaust systems, and turbocharger systems for diesel variants.

Steering And Suspension:

Details on steering rack, power steering pump, control arms, shock absorbers, and wheel bearing replacement.

Maintenance:

Routine maintenance procedures, fluid checks and changes, filter replacements, scheduled servicing.

Diagnostics And Repair:

Fault diagnosis, symptom analysis, component testing, repair procedures for all covered systems, including engine rebuilding and transmission overhauling.

Technical Guidance:

Specific terminal pin connections, expected readings, engine management system analysis, common fault fixes, pre-emptive maintenance tips.

Wiring Diagram Interpretation:

Provides detailed wiring diagrams with specific terminal pin connections and expected voltage/resistance readings for accurate electrical troubleshooting.

Diagnostic Techniques:

Outlines diagnostic strategies, including fault code retrieval, symptom-based troubleshooting, and 'secret techniques' used by professional mechanics.

Practical Solutions:

Offers practical, quick solutions to common drivability issues like no-starts, hesitations, and stalling, often with illustrative drawings.

Mechanic Interaction:

Empowers owners to communicate effectively with mechanics, understand proposed repairs, and verify completed work.

Engine Overhauling Steps:

Detailed procedures for engine disassembly, inspection, measurement, and reassembly, including piston ring replacement, bearing checks, and cylinder head work.

Brake System Repairs:

Covers brake pad and disc replacement, caliper servicing, brake line inspection and replacement, and bleeding procedures.

Depth Level:

Comprehensive, covering basic owner checks to advanced diagnostic techniques and complete mechanical overhauls. Suitable for both DIY owners and independent professionals.

Torque Settings:

Includes detailed torque specifications for all major fasteners and components, crucial for correct assembly and preventing damage.

📊 Manual Specifications

Digital Format:

PDF

Printability:

Printable pages for practical use, avoiding damage to original documents.

Binding Format:

N/A (Digital PDF)

Paper Quality:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine 1 6 Petrol:

Likely the 1.6L 16v TU5JP4 (EW10J4 precursor) or EC5 engine, producing around 110 PS (108 hp; 81 kW).

Engine 1 6 Hdi Diesel:

The 1.6L HDi turbodiesel engine, available in various power outputs (e.g., 90 PS / 89 hp / 66 kW and 110 PS / 108 hp / 80 kW variants) with common rail direct injection.

Petrol Fuel System:

Multi-point fuel injection (MPI).

Diesel Fuel System:

Common Rail Direct Injection (CDi) with turbocharging and intercooling for HDi variants.

1 6 Hdi Power Output:

The 1.6 HDi engine was typically offered in 90 PS (66 kW) and 110 PS (80 kW) variants, with peak torque figures around 205 Nm and 240 Nm respectively.

1 6 Petrol Power Output:

The 1.6 16v petrol engine usually produced around 110 PS (81 kW) with a torque output in the region of 150 Nm.

🔧 Transmission

Gearbox Options:

Typically offered with a 5-speed manual transmission (e.g., BE series) and a 4-speed automatic transmission (e.g., AL4).

Automatic Transmission Features:

The AL4 automatic often featured Tiptronic (manual override) functionality.

📐 Dimensions

Body Styles:

Available as a 5-door hatchback and a 3-door hatchback. A 4-door sedan and a station wagon (C4 Picasso) were also part of the C4 family but might not be covered in detail for this specific manual focus.

Curb Weight:

Approx. 1200-1350 kg (2645-2976 lbs) depending on engine and specification.

🛡️ Safety Features

Euro Ncap Rating:

Achieved a 5-star Euro NCAP safety rating for adult occupant protection.

Airbags:

Multiple airbags including front, side, and curtain airbags.

ABS Esp:

Anti-lock Braking System (ABS) with Electronic Brakeforce Distribution (EBD) and Emergency Brake Assist (EBA). Electronic Stability Program (ESP) was often optional or standard on higher trims.

💡 Technology Features

Audio System:

Standard radio/CD player with steering wheel controls. Higher trims may include MP3 compatibility and a more advanced audio system.

Cruise Control:

Cruise control with speed limiter was available on many models.

Auxiliary Input:

Auxiliary input for external audio devices may be present on later models or as an option.

🔧 Maintenance

Oil Change Interval:

Typically every 15,000 km (9,300 miles) or 1 year, whichever comes first, depending on engine type and driving conditions. Consult manual for exact intervals.

Engine Oil Specification:

For petrol engines, typically a 5W-30 or 5W-40 synthetic oil meeting ACEA A3/B3 or A3/B4 specifications. For HDi diesel, usually a low-SAPS 5W-30 oil meeting ACEA C2 specifications (e.g., PSA B71 2290).

Coolant Specification:

An antifreeze coolant concentrate, typically blue or green, meeting PSA standards (e.g., PSA B71 5100) mixed with distilled water.

Brake Fluid Specification:

DOT 4 brake fluid is standard.

Transmission Fluid Specification Manual:

Gear oil meeting specifications like SAE 75W-80 GL-4.

Transmission Fluid Specification Auto:

For the AL4 automatic transmission, specialized ATF (Automatic Transmission Fluid) meeting PSA specifications is required, often a LT 71141 type fluid.

Common Problems:

Potential issues can include automatic transmission (AL4) valve body problems, electronic throttle body failures, DPF (Diesel Particulate Filter) issues on HDi models, and occasional suspension component wear.

📚 Vehicle History

Citroen Heritage:

Citroën has a long history of innovation, particularly in suspension and chassis design, dating back to André Citroën's early automotive ventures.

C4 Lineage:

The C4 replaced the Citroën Xsara and was positioned as a more modern and stylish alternative in the compact family car segment. It shared its platform with the Peugeot 307.

Design Philosophy:

Characterized by innovative design, including a fixed-hub steering wheel and a distinctive body shape, aiming for comfort and advanced styling.

Manufacturing Locations:

Primarily manufactured in France (e.g., Mulhouse) and also in other international locations depending on market.