🏷️ Basic Information

Make:

Citroën

Model:

C5

Year:

2005

Engine:

2.2 16V HDi

Body Styles Covered:

Saloon and Estate (Break)

Engine Code Prefix:

4HT

👋 Introduction

Market Position:

The Citroën C5 (X4) was positioned as a large family car (executive car in some markets) offering advanced technology, comfort, and distinctive French styling.

Competitive Analysis:

Competed against vehicles like the Ford Mondeo, Opel/Vauxhall Vectra, Volkswagen Passat, Renault Laguna, and Peugeot 407. Its key differentiators included its unique hydropneumatic suspension (Hydractive 3+), comfortable ride, and innovative design features.

Key Features:

Hydractive 3+ suspension system providing exceptional ride comfort and adjustable ride height, innovative fixed-hub steering wheel, spacious and comfortable interior, distinctive aerodynamic styling, advanced diesel engine technology (HDi).

Fixed Hub Steering Wheel:

A distinctive feature of the C5, the steering wheel's hub remains stationary while the rim turns, providing a consistent surface for controls and airbag deployment.

📋 Manual Details

Coverage Areas:

Complete factory service and repair

Page Count:

Hundreds of pages (printable in entirety or sections)

Manual Type:

Workshop Service Repair Manual

Manual Origin:

Official Factory Service Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Systems Covered:

Engine mechanical, engine management, fuel system, cooling system, lubrication system, exhaust system, intake system, ignition system (where applicable for diesel), transmission (manual and automatic), clutch, drivetrain, suspension (hydractive/hydropneumatic system details), steering, braking system (ABS, ESP), electrical system (ECU, wiring diagrams, lighting, body electronics), climate control, bodywork (interior and exterior), safety systems (airbags, seatbelts), diagnostics and troubleshooting, maintenance procedures.

Engine Management System:

Covers ECU diagnostics, sensor testing (crankshaft position, camshaft position, MAP, MAF, coolant temperature, fuel pressure), actuator control (injectors, glow plugs, EGR valve, VGT solenoid), DPF monitoring and regeneration strategies.

Electrical System Diagrams:

Detailed electrical wiring diagrams for all major systems, including engine management, lighting, instrumentation, comfort features, and safety systems, enabling effective troubleshooting of electrical faults.

Body Control Module:

Coverage of the BSI (Boîtier de Servitude Intelligent) or similar body control module, including configuration and diagnostics for various body functions.

Procedures Included:

Step-by-step repair procedures, complete disassembly and assembly, routine maintenance, troubleshooting guides, component testing, diagnostic procedures, calibration, replacement of parts, fluid changes, component installation, electrical circuit tracing, torque specifications, tightening sequences.

Timing Belt Replacement:

Detailed procedure for timing belt inspection and replacement, including tensioner and idler pulley replacement, critical for preventing catastrophic engine damage. Includes torque settings and timing mark alignment.

Suspension System Repair:

Comprehensive coverage of the Hydractive 3+ system, including hydraulic fluid servicing, sphere replacement, pump operation, accumulator checks, height corrector adjustments, and troubleshooting suspension faults.

Brake System Overhaul:

Procedures for front and rear brake pad and disc replacement, caliper servicing, brake fluid bleeding, ABS sensor replacement, and ABS/ESP unit diagnostics.

Turbocharger Servicing:

Information on turbocharger diagnosis, including checks for oil leaks, wastegate operation, and VGT actuator function. Procedures for removal and installation.

Air Conditioning Service:

Procedures for refrigerant recharging, component testing (compressor, condenser, evaporator), leak detection, and cabin filter replacement.

Technical Depth:

Factory-level technical information for professional technicians, also suitable for advanced DIY mechanics. Covers detailed diagnostics, component-level repairs, and rebuild procedures.

Diagnostic Troubleshooting Codes:

Includes a comprehensive list of diagnostic trouble codes (DTCs) with explanations and potential causes for various systems.

Component Specifications:

Provides critical specifications such as valve clearances (if applicable, though likely non-adjustable on HDi), injector resistance, coil resistance, sensor operating ranges, and component tolerances.

Performance Data:

May include performance figures, fuel consumption data, and aerodynamic coefficients.

📊 Manual Specifications

File Format:

PDF

Searchability:

PDF format allows for text searching of keywords and phrases for quick access to specific information.

Print Quality:

Full Printable (high resolution for clear diagrams)

Diagram Clarity:

High-quality diagrams and illustrations ensure clarity for complex procedures and component identification.

Binding Type:

Digital Download (Printable PDF)

Paper Type:

N/A (Digital)

⚙️ Engine Specifications

Primary Engine:

2.2 16V HDi (DW12TED4/EDT)

Horsepower Ps:

136 PS (100 kW) @ 4000 rpm

Torque Nm:

317 Nm (234 lb-ft) @ 1750 rpm

Fuel System:

Common Rail Direct Injection (CRDi) with variable geometry turbocharger (VGT) and intercooler.

Displacement:

2179 cc

Bore X Stroke:

85 mm x 96 mm

Compression Ratio:

17.3:1

Engine Code:

DW12TED4/EDT (common variant)

🔧 Transmission

Standard Transmission:

6-speed Manual

Optional Transmission:

6-speed Automatic (AL4 variant or similar)

Features:

Manual: Clutch operation, gear selection. Automatic: Electronic control, torque converter, fluid type specific to the transmission model.

📐 Dimensions

Length Mm:

4740 mm

Width Mm:

1773 mm

Height Mm:

1476 mm

Wheelbase Mm:

2734 mm

Kerb Weight Kg:

~1650 kg (varies by configuration)

🛡️ Safety Features

Euroncap Rating:

5 stars (for saloon, 2003)

Active Features:

ABS (Anti-lock Braking System), EBD (Electronic Brakeforce Distribution), EBA (Emergency Brake Assist), ESP (Electronic Stability Program) with Traction Control.

Passive Features:

Multiple airbags (front, side, curtain), anti-whiplash front seat head restraints, three-point seatbelts with pretensioners and load limiters, ISOFIX child seat anchorage points.

💡 Technology Features

Infotainment System:

Early generation multi-function display with radio/CD player. Optional satellite navigation available. Fixed-hub steering wheel controls for audio and cruise control.

Driver Assistance:

Cruise control, speed limiter, parking sensors (rear, sometimes front), rain-sensing wipers, automatic headlights.

Connectivity:

Optional Bluetooth hands-free system for mobile phones. Basic auxiliary input for audio devices.

🔧 Maintenance

Service Intervals:

Typically 20,000 km or 12 months, whichever comes first. Specific intervals for timing belt, auxiliary belts, and brake fluid vary and are detailed in the manual.

Timing Belt Interval:

Refer to manual - typically around 120,000 km or 5 years, whichever comes first, for the 2.2 HDi. Critically important to follow.

Engine Oil Specification:

Refer to manual for specific viscosity grade (e.g., 5W-30, 5W-40) meeting PSA (Peugeot-Citroën Automobiles) standards like B71 2290 for low SAPS oil. Oil capacity approx. 6.5 liters.

Coolant Specification:

Ethylene glycol-based coolant, meeting PSA specification B71 5110. Typically a 50/50 mix with distilled water. Capacity approx. 8.5 liters.

Brake Fluid Specification:

DOT 4 (e.g., PSA B71 2370). Replace every 2-3 years.

Transmission Oil Manual:

Manual Transmission Fluid (MTF) - Refer to manual for specific API GL-4 or GL-5 and viscosity grade. Capacity approx. 2.2 liters.

Transmission Oil Automatic:

Automatic Transmission Fluid (ATF) - Refer to manual for specific type (e.g., LT 71141 or equivalent) and capacity. Fluid changes often require specific procedures.

Power Steering Fluid:

Hydraulic fluid LDS (Low-Density Synthetic) or equivalent as specified by Citroën, for vehicles equipped with Hydractive 3+ or similar systems. Check manual for specific part numbers.

Known Issues:

Hydractive suspension system (loss of pressure, leaky spheres/pipes), swirl flap issues in the intake manifold, particulate filter regeneration problems (DPF), electrical gremlins, turbocharger wear, DMF (Dual Mass Flywheel) issues on manual transmissions.

Dpf Issues:

Diesel Particulate Filter (DPF) clogging due to insufficient regeneration cycles, often exacerbated by short city driving. Manual provides guidance on regeneration and cleaning procedures.

📚 Vehicle History

Brand Heritage:

Citroën has a long history of innovation, particularly in suspension technology (e.g., the DS) and comfort-oriented vehicle design.

Model Evolution:

The C5 (X4) replaced the Citroën XM. It was available in saloon and estate (Break) body styles. The 2.2 HDi engine was a mid-to-high-range diesel option, offering a balance of performance and economy.

Production Years:

2001-2007 (for the first generation X4)

🏆 Awards & Recognition

Recognitions:

Achieved 5-star Euro NCAP safety rating, praised for ride comfort and innovative features by automotive journalists at its launch. Often cited for its quiet and refined diesel engine.