Segment:
Compact Family Car (C-Segment)
Key Competitors:
Volkswagen Golf, Ford Focus, Opel Astra, Renault Mégane
Design Philosophy:
Unique, futuristic styling with emphasis on comfort and innovative features (e.g., fixed-hub steering wheel).
Manual Value Proposition:
Provides dealer-level diagnostic and repair information, enabling DIY enthusiasts and independent workshops to perform comprehensive servicing and repairs.
Diy Benefit:
Empowers owners to perform common maintenance and repairs, saving on labor costs and increasing vehicle longevity.
Workshop Benefit:
Provides essential technical data, procedures, and schematics for efficient and accurate servicing of Citroën C4 vehicles.
Powertrain:
Engine Mechanical, Fuel System, Ignition System, Exhaust System
Transmission:
Manual Transmission (ML5C), Automatic Transmission (AL4 - Optional)
Drivetrain:
Front Wheel Drive, Axles, Driveshafts
Suspension:
Front MacPherson Strut, Rear Torsion Beam
Brakes:
Front Ventilated Discs, Rear Solid Discs, ABS, EBD, Brake Assist
Steering:
Electric Power Assisted Steering (EPAS)
Electrical:
Battery, Charging System, Lighting, Instrumentation, ECUs, Body Control Module (BCM)
Climate Control:
HVAC System, Air Conditioning
Body And Chassis:
Body Panels, Doors, Interior Trim, Glass, Bumpers
Safety Systems:
Airbags, Seatbelts, Passive Safety Components
Routine Maintenance:
Oil Changes, Filter Replacements, Spark Plugs, Coolant Checks, Brake Pad/Disc Service
Troubleshooting:
Diagnostic Trouble Codes (DTCs), Symptom-Based Diagnosis, Electrical Fault Finding
Repair And Rebuild:
Engine Overhaul, Transmission Rebuild, Suspension Component Replacement, Brake System Overhaul
Diagnostics:
ECU Diagnosis, Sensor Testing, Actuator Testing
Electrical Schematics:
Complete Wiring Diagrams for all Systems
Technical Data:
Specifications, Tolerances, Torque Values
Body And Paint:
Panel Alignment, Dent Repair, Paint Touch-up Procedures
Depth:
Comprehensive: Covers everything from basic maintenance to complete engine and transmission rebuilds, including detailed electrical diagnostics.
Printability:
Full Printable. Allows selective printing of specific pages or sections.
Binding:
Digital (PDF) - Printable format
Paper Type:
N/A (Digital)
Software:
Adobe Acrobat Reader, WinZip (or equivalent decompression utility)
Operating Systems:
All Versions of Windows and macOS
Searchability:
Searchable Text (for easy keyword lookup)
Zoom Capability:
Zoom In/Out for detailed viewing of diagrams and images
Engine Name:
EW10J4 (2.0i 16V)
Configuration:
Inline 4-cylinder, Naturally Aspirated
Bore X Stroke:
85.0 mm x 88.0 mm
Compression Ratio:
10.8:1
Horsepower:
136 hp (100 kW) @ 6000 rpm
Torque:
192 Nm (141 lb-ft) @ 4000 rpm
Fuel Delivery:
Multi-point Fuel Injection (MPFI)
Fuel Type:
Unleaded Petrol (95 RON Recommended)
ECU:
Bosch Motronic (specific model dependent)
Ignition Type:
Electronic Distributorless Ignition System (EDIS)
Emission Control:
Catalytic Converter, Lambda Sensors
Type:
5-Speed Manual Transmission (ML5C)
Type:
4-Speed Automatic Transmission (AL4)
Clutch:
Hydraulically Operated, Dry Single Plate Clutch
Manual Transmission Fluid:
API GL-4, SAE 75W-80 (e.g., Total Transmission BV 75W-80)
Automatic Transmission Fluid:
LF-Type (e.g., Total Fluide AT4)
Euro Ncap Rating:
5 Stars (2005)
ABS:
Standard (Anti-lock Braking System)
Esp:
Optional/Standard on higher trims (Electronic Stability Program)
Ebs:
Optional (Emergency Brake Assist)
Airbags:
Front, Side, and Curtain Airbags (Configuration varies by trim level)
Seatbelts:
Pre-tensioning front seatbelts with force limiters
Audio System:
Factory fitted CD player with radio, auxiliary input available on some models. Optional premium sound systems.
Cruise Control:
Available as an option on certain trims.
Bluetooth:
Optional, often integrated with aftermarket or higher-spec audio units.
Headlights:
Halogen Projector Headlights. Xenon HID headlights available as an option.
Oil Change Interval:
Every 20,000 km or 1 year, whichever comes first (synthetic oil recommended).
Timing Belt Replacement:
Every 120,000 km or 10 years (for EW10J4 engine). Refer to manual for precise interval confirmation.
Spark Plug Replacement:
Every 60,000 km (standard spark plugs) or 100,000 km (long-life iridium spark plugs).
Engine Oil Specification:
ACEA A3/B3 or A3/B4, API SL or SM, SAE 0W-30 or 5W-30 (e.g., Total Quartz 9000).
Coolant Specification:
G11 or G12 Antifreeze (Orange or Pink) based on Ethylene Glycol, meeting PSA Peugeot Citroën standard (e.g., Total Glycotherm).
Brake Fluid Specification:
DOT 4
Common Complaints:
Issues with electronic components (e.g., BSM - Box de Servitude Moteur), steering column controls (CSU - Colonne de Direction Utilisateur), and potential for oil leaks from the engine.
Maintenance Tip:
Regular checking of electrical connections and software updates for control modules can prevent many common issues.
Brand Focus:
Citroën is renowned for its innovative and comfortable automotive design, often pushing boundaries in styling and technology.
Generation:
First Generation (2004–2010)
Design Influence:
Successor to the Citroën Xsara, embodying a radical departure in styling and engineering.
Manufacturing Plant:
Mulhouse, France; Vigo, Spain; Elabuga, Russia