🏷️ Basic Information

Make:

Citroën

Model:

C4

Model Generation:

First Generation (2004-2010)

Year:

2004

Engine Variant:

2.0 16V HDi

Engine Code:

EW10D (This is a likely code for a 2.0 16V petrol engine, the HDi designation implies a diesel. Actual HDi engine codes for this period are typically in the DW or RHR series, e.g., DW10BTED4. The manual would specify the exact engine code for this diesel variant.)

👋 Introduction

Vehicle Segment:

Compact family car (C-segment)

Brand Philosophy:

Citroën is known for its comfort-oriented and often distinctive design, offering a blend of practicality and innovation.

Key Competitors:

Ford Focus, Volkswagen Golf, Opel/Vauxhall Astra, Renault Mégane, Peugeot 307.

Vehicle Features:

The C4 is recognized for its comfortable ride, distinctive styling (particularly the original hatchback with its fixed hub steering wheel), and practical interior.

Manual Benefit:

Empowers owners and independent mechanics with factory-level information for accurate and efficient servicing and repairs, saving time and money.

Diagrams And Instructions:

Features high-quality diagrams, exploded views, and step-by-step instructions suitable for both DIY enthusiasts and professional technicians.

📋 Manual Details

Primary Coverage:

Service, Maintenance, Troubleshooting, Repair

Secondary Coverage:

Diagnostics, Wiring Diagrams, Technical Specifications, Component Removal/Installation

Estimated Page Count:

Likely 1500+ pages (based on 'most complete' and 'complete disassembly')

Type:

Full Service and Repair Manual

Language:

English

Digital Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Engine assembly, cylinder head, crankshaft, pistons, connecting rods, lubrication system, cooling system, timing system (belt/chain), fuel injection system (HDi common rail), exhaust system.

Engine Electrical:

Ignition system (diesel glow plugs), starting system, charging system, engine control unit (ECU) diagnostics, sensors, actuators.

Transmission:

Manual transmission (likely, given HDi and 2004 era), clutch, gear shift mechanism. Automatic transmission coverage would be specified if applicable.

Brakes:

Hydraulic system, brake discs, brake pads, ABS, EBD, brake fluid, parking brake.

Suspension:

Front suspension (e.g., MacPherson struts), rear suspension (e.g., torsion beam or multi-link), shock absorbers, springs, control arms, wheel alignment.

Steering:

Power steering system (hydraulic or electric), steering column, steering rack, tie rods.

Electrical System:

Battery, alternator, starter, lighting system (headlights, taillights, interior), fuse box, relays, wiring harnesses, body control modules (BCM).

Climate Control:

Air conditioning system, heater core, blower motor, cabin filter, refrigerant circuits.

Body And Chassis:

Body panels, doors, hinges, locks, windows, sunroof (if equipped), chassis components, underbody protection.

Interior:

Seats, dashboard, upholstery, trim panels, instrument cluster, airbags, seat belts.

Maintenance:

Oil changes, filter replacements (oil, air, fuel, cabin), spark plug/glow plug replacement, coolant flushes, brake fluid changes, transmission fluid changes.

Diagnostics:

Troubleshooting common symptoms, diagnostic trouble codes (DTCs), using diagnostic tools (e.g., OBD-II scanner), component testing.

Repair:

Engine component repair/replacement, transmission overhaul/replacement, brake system repair, suspension component replacement, electrical component diagnosis and repair.

Installation:

Component replacement procedures (e.g., water pump, alternator, starter), accessory installation guidelines.

Bodywork:

Panel alignment, repair of minor body damage, door mechanism adjustments.

Depth:

Comprehensive: Covers everything from basic fluid changes to complete engine and transmission rebuilds. Includes detailed electrical schematics and diagnostic procedures.

📊 Manual Specifications

Format:

PDF

Searchability:

Yes (typical for PDF manuals)

Printability:

Full Printable

Zoom Capability:

Yes (Zoom IN/OUT)

Binding:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

Software Requirements:

Adobe PDF Reader, WinZip

Operating Systems:

All Versions of Windows & Mac

Delivery Method:

Instant Download

⚙️ Engine Specifications

Engine Type:

Turbodiesel, Common Rail Direct Injection (HDi)

Engine Displacement:

1997 cc (2.0 Liters)

Bore X Stroke:

85.0 mm x 88.0 mm (Typical for DW10 engine family)

Compression Ratio:

17.6:1 to 18.5:1 (Typical for DW10BTED4)

Horsepower:

Approximately 136 hp (or 138 PS) at 4000 rpm (for the DW10BTED4 variant)

Torque:

Approximately 320 Nm (236 lb-ft) at 2000 rpm (for the DW10BTED4 variant)

Injection System:

Bosch Common Rail (e.g., EDC16 ECU control)

Fuel Type:

Diesel

Emission Control:

Euro 4 compliant, may include Diesel Particulate Filter (DPF) depending on specific market/build date.

🔧 Transmission

Type:

6-Speed Manual Transmission (likely, e.g., BE4/BE5 variant)

Type:

6-Speed Automated Manual Transmission (AM6 or EGS) was also available on some C4 models, but less common with the 2.0 HDi.

Gear Ratios:

Detailed gear ratios for each speed and reverse will be found in the manual.

Fluid Type:

Specific manual transmission fluid (MTF) type and specification (e.g., PSA B71 2315 or similar) will be detailed.

📐 Dimensions

Body Styles:

Hatchback (5-door) and Coupe (3-door)

Length:

Approx. 4260 mm (Hatchback)

Width:

Approx. 1773 mm

Height:

Approx. 1459 mm (Hatchback)

Curb Weight:

Approx. 1450-1500 kg (depending on specification)

🛡️ Safety Features

Euro Ncap:

5 Stars (for the 2005 model year, demonstrating good occupant protection)

ABS:

Standard Anti-lock Braking System

Esp:

Optional Electronic Stability Program (ESP)

Airbags:

Front, side, and curtain airbags. The manual will detail their locations and servicing procedures.

Seatbelts:

Three-point seatbelts with pretensioners and force limiters.

💡 Technology Features

Audio System:

Factory fitted radio/CD player, potentially with steering wheel controls. The manual may cover basic troubleshooting or replacement.

Cruise Control:

Available on many models, the manual would detail its operation and any troubleshooting.

OBD Ii:

On-Board Diagnostics II (OBD-II) compliant for emissions and general system diagnostics.

🔧 Maintenance

Oil Change Interval:

Typically 20,000 km (12,500 miles) or 2 years, whichever comes first. The manual will provide exact interval based on driving conditions.

Timing Belt Replacement:

For the 2.0 HDi (DW10 engine family), the timing belt replacement interval is usually around 120,000 km (75,000 miles) or 10 years. The manual is critical for this procedure due to potential engine damage if neglected.

Brake Fluid Change:

Recommended every 2 years.

Engine Oil Spec:

Likely PSA B71 2290 specification (low SAPS for Euro 4 diesel, potentially with DPF). The manual will specify the exact viscosity grade (e.g., 5W-30).

Coolant Spec:

Antifreeze coolant with corrosion inhibitors, likely PSA B71 5100 or equivalent (e.g., G30/G12).

Brake Fluid Spec:

DOT 4

Dpf Issues:

Diesel Particulate Filter (DPF) clogging can occur with insufficient highway driving or frequent short trips. The manual will cover DPF regeneration and troubleshooting.

Egr Valve:

Exhaust Gas Recirculation (EGR) valve can become clogged, leading to performance issues and check engine lights. Manual will provide cleaning/replacement procedures.

Suspension Components:

Wear in suspension bushings or ball joints can lead to knocking noises and affect handling. The manual details inspection and replacement.

📚 Vehicle History

Manufacturer:

Citroën, a French automobile manufacturer known for innovation and comfort since 1919.

C4 Introduction:

The Citroën C4 was introduced in 2004 as a replacement for the Citroën Xsara, designed to compete in the highly competitive C-segment market. It shared its platform with the Peugeot 307.

Production Locations:

Primarily manufactured in France and other PSA Peugeot Citroën facilities.

🏆 Awards & Recognition

Euro Ncap Rating:

5 Stars (as mentioned in safety section, highlighting its strong safety performance for its class and time).