🏷️ Basic Information

Make:

Citroën

Model:

C4

Year:

2004

Engine:

1.6 16V HDi

First Generation Code:

First Generation (Phase 1)

Engine Code Example:

DV6TED4 (Common for 1.6 HDi 110 PS)

👋 Introduction

Category:

Compact Family Car

Target Audience:

Families, commuters, individuals seeking practical and stylish transportation.

Key Competitors 2004:

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

Design Philosophy:

Unique 'dynamic' styling, comfortable ride, spacious interior for its class.

Engine Highlight:

The 1.6 16V HDi engine offered a good balance of performance and fuel economy, making it a popular choice.

Diy Repair:

Empowers owners to perform maintenance and repairs, saving money and fostering a deeper connection with their vehicle.

📋 Manual Details

Coverage Scope:

Complete Official Full Service Repair Manual

Specific To Model:

Yes, specific to the Citroën C4 1.6 16V HDi 2004

Technician Level Coverage:

Dealer Technician Level

Page Count Estimate:

Extensive (Typically 1000+ pages for a complete official manual)

Type:

Service and Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Powertrain:

Engine mechanical, fuel system (injection), lubrication, cooling, exhaust, turbocharger, emissions control

Transmission:

Manual transmission (likely 5-speed or 6-speed options for 1.6 HDi)

Chassis:

Suspension (front and rear), steering, brakes (front and rear, ABS, ESP), wheels and tires

Electrical System:

Battery, charging system, starting system, lighting, instrumentation, body control modules, infotainment, wiring schematics

Bodywork:

Exterior panels, doors, windows, interior trim, climate control, safety restraints (airbags, seatbelts)

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-ups, spark plug replacement (if applicable, though unlikely for HDi), belt checks

Diagnostics:

Troubleshooting guides, fault code interpretation, component testing procedures

Repair Rebuild:

Engine overhaul, transmission overhaul, brake caliper replacement, suspension component replacement, electrical component repair/replacement

Installation Adjustment:

Component installation, alignment procedures, calibration of electronic systems

Depth:

Comprehensive: From basic fluid checks to complete engine and transmission rebuilds, including detailed electrical diagnostics and body repairs.

Detail Level:

Factory high-detailed with step-by-step instructions, diagrams, and illustrations.

Timing Belt Replacement Procedure:

Detailed step-by-step instructions for timing belt removal, installation, and tensioning, including necessary special tools.

Fuel Injector Testing:

Procedures for testing the common rail diesel injectors, including resistance checks and flow rate testing if applicable.

Suspension Component Replacement:

Detailed instructions for replacing components like shock absorbers, springs, control arms, and anti-roll bar links.

Brake System Overhaul:

Procedures for caliper replacement, brake disc replacement, brake pad replacement, and bleeding the brake system.

Electrical Schematics Interpretation:

Comprehensive wiring diagrams for all vehicle systems, enabling technicians to trace circuits and diagnose electrical faults.

Torque Specifications:

Exact torque values for all critical fasteners, from engine components to suspension and body panels.

Wheel Alignment Specs:

Camber, caster, and toe specifications for front and rear axles.

Tire Pressure Recommendations:

Recommended tire pressures for various load conditions and tire sizes.

📊 Manual Specifications

Format:

PDF

Searchable:

Implied by PDF format, allowing for text search of content.

Printability:

Full Printable

Image Quality:

Zoom IN/OUT capability for detailed image viewing and printing of enlarged copies.

Type:

Digital (PDF), allowing for on-demand printing of specific pages.

Type:

N/A (Digital format)

Software:

Adobe PDF Reader & WinZip (for extraction if compressed)

Compatibility:

All Versions of Windows & Mac

⚙️ Engine Specifications

Engine Type:

Inline 4-cylinder, Turbocharged Direct Injection Diesel (HDi)

Displacement:

1560 cc

Valvetrain:

16 Valves (4 valves per cylinder), DOHC

Horsepower Ps:

Approximately 110 PS (80 kW) at 4000 rpm (typical for DV6TED4)

Torque Nm:

Approximately 240 Nm (177 lb-ft) at 1750 rpm (typical for DV6TED4)

Injection System:

Common Rail Direct Injection (CRDi) with piezoelectric injectors

Fuel Type:

Diesel

Type:

Water-cooled, pressurized system with thermostatic control.

Oil Capacity:

Approx. 3.75 Litres (with filter) - specific grade required (e.g., 5W-40 Low SAPS)

🔧 Transmission

Type:

Manual Transmission (likely BE4 or similar PSA platform gearbox)

Gear Ratios:

Detailed gear ratios for each gear and final drive will be within the manual.

Type:

Could be paired with an Automatic Transmission (e.g., AL4 4-speed auto) in some markets, though less common with the 1.6 HDi. The manual specifies the 1.6 16V HDi, implying manual transmission coverage.

Clutch Type:

Hydraulic actuation, single dry plate clutch.

Transmission Fluid:

Specific gear oil specification (e.g., PSA B71 2300) and capacity will be detailed.

📐 Dimensions

Body Styles:

Hatchback (5-door)

Length:

Approx. 4260 mm

Width:

Approx. 1773 mm

Height:

Approx. 1460 mm

Curb Weight:

Approx. 1350 kg (for 1.6 HDi manual)

Gross Vehicle Weight:

Specific GVWR will be listed in the manual.

Towing Capacity:

Specific towing capacity will be listed in the manual.

🛡️ Safety Features

Euro Ncap Year:

2004

Euro Ncap Score:

5 Stars (Adult Occupant Protection)

Euro Ncap Child Protection:

4 Stars

ABS:

Standard Anti-lock Braking System

Esp:

Optional or standard depending on trim level (Electronic Stability Program)

Brake Assist:

Standard

Airbags:

Multiple airbags (front, side, curtain) depending on specification.

Seatbelts:

Pre-tensioning seatbelts with force limiters.

💡 Technology Features

System:

Basic radio/CD player; optional navigation systems were available.

Features Manual:

Manual will cover the operation, troubleshooting, and potential repairs of the audio and climate control systems.

Cruise Control:

Optional cruise control and speed limiter functionality.

Parking Sensors:

Optional rear parking sensors.

Bluetooth:

Optional Bluetooth hands-free system.

Diagnostic Interface:

OBD-II (On-Board Diagnostics II) compliant. Manual will reference diagnostic trouble codes (DTCs) and required diagnostic tools.

🔧 Maintenance

Oil Change Interval:

Typically 20,000 km or 1 year, whichever comes first (subject to specific driving conditions and oil used).

Timing Belt Interval:

For the 1.6 HDi (DV6 engine), it is a timing belt. Replacement interval is typically 240,000 km or 10 years. This manual will detail the exact procedure and recommended interval.

Engine Oil:

Low SAPS synthetic oil, e.g., PSA B71 2290 (e.g., 5W-30 or 5W-40) is crucial for DPF equipped models (if fitted).

Coolant:

Antifreeze/coolant, typically PSA S71 1040 (long-life type).

Brake Fluid:

DOT 4 or DOT 5.1.

Power Steering Fluid:

Specific hydraulic fluid (e.g., LHM or mineral oil based, depending on system) will be specified.

Dpf Issues:

Diesel Particulate Filter (DPF) clogging can occur with short journeys. Manual will cover DPF regeneration and cleaning.

Egr Valve:

Exhaust Gas Recirculation (EGR) valve can become clogged or faulty, impacting engine performance. Manual will detail diagnosis and cleaning/replacement.

Turbocharger Problems:

Turbocharger wastegate or variable geometry issues can arise. Manual will provide diagnostic steps.

Electrical Faults:

Intermittent electrical faults are not uncommon in French cars of this era; detailed wiring diagrams in the manual are invaluable.

📚 Vehicle History

Citroen Legacy:

Citroën has a long history of innovation, comfort-focused engineering, and distinctive design.

C4 Introduction:

The C4 was launched in 2004 as a replacement for the Citroën Xsara, aiming for a more modern and stylish proposition.

First Generation Phases:

The 2004 model represents the initial 'Phase 1' of the first generation C4.

Manufacturing Locations:

Primarily manufactured in France (e.g., Aulnay-sous-Bois, Poissy) and Spain (e.g., Villaverde, Madrid).

Production Years Gen1:

2004 - 2010 (Phase 1: 2004-2008, Phase 2: 2008-2010)

🏆 Awards & Recognition

Euro Ncap Award:

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

European Car Of The Year:

While not a winner, the C4 was a strong contender in its release year, lauded for its design and comfort.

Consumer Surveys:

Varied consumer satisfaction ratings, often praised for comfort and styling, but sometimes cited for reliability concerns in specific areas compared to some competitors. The manual addresses these potential issues.