🏷️ Basic Information

Make:

Citroen

Model:

C4

Model Year:

2008

Engine Variant:

2.0 i

Chassis Code:

First Generation (L/B/S) - NFU designation for EP6 engine, likely used for 2.0i.

Engine Code Typical:

EW10 J4 (for naturally aspirated 2.0) or EP6 (for the Prince engine if this refers to a later 2.0 variant).

👋 Introduction

Vehicle Segment:

Compact family car (C-segment).

Brand Positioning:

Citroen is known for its innovative design, comfort-oriented suspension, and distinctive styling.

Key Competitors:

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

Manual Value Proposition:

Provides dealership-level technical information, enabling owners to perform maintenance, diagnostics, and repairs themselves, saving time and money.

Manual Format Advantage:

Digital PDF format offers portability, printability of specific pages, and easy storage, preventing physical wear and tear.

📋 Manual Details

Coverage Summary:

Comprehensive A-Z repair and maintenance for all 2008 Citroen C4 2.0 i models.

Specific Systems Listed:

Engine, Control System, Mechanical, Fuel Service, Emission Control, Intake/Exhaust/Cooling, Lube, Ignition/Starting/Charging, Automatic Transmission, Clutch, Manual Transmission, Transfer/Propeller Shaft, Drive Shaft, Differential, Axle/Suspension, Tire & Wheel, Brake Control, Brake, Parking Brake, Steering Column, Power Steering, Air Conditioning, Supplemental Restraint System (SRS), Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter/Audio/Visual, Horn, Windshield/Glass/Mirror, Instrument Panel, Seat, Engine Hood/Door, Exterior & Interior, Electrical, Multiplex/CAN Communication.

Estimated Page Count:

Typically 1000+ pages for comprehensive factory service manuals.

Type:

Factory Service and Repair Manual

Language:

English

Format:

PDF

File Availability:

Downloadable

📖 Manual Coverage

Engine Systems:

Detailed diagnostics, repair, and overhaul procedures for the 2.0 i engine, including cylinder head, block, pistons, crankshaft, camshafts, valve train, lubrication system, cooling system, fuel system (injection, pump, injectors), ignition system, emission control systems (catalytic converter, EGR), and engine management.

Transmission Systems:

Covers both manual and automatic transmission systems, including clutch operation, gear shifting mechanisms, torque converter function (for automatics), transmission fluid service, and internal component repair/overhaul. Specifics on gear ratios and fluid specifications are expected.

Braking Systems:

Comprehensive coverage of hydraulic brake system components (master cylinder, calipers, lines), ABS (Anti-lock Braking System) components and diagnostics, brake pad/rotor replacement, brake fluid service, and parking brake system.

Suspension Steering:

Detailed information on front and rear suspension (struts, shocks, control arms, bushings), steering system (rack and pinion, power steering pump, steering column), wheel alignment specifications, and tire servicing.

Electrical Electronics:

Extensive coverage of the vehicle's electrical system, including battery, charging system (alternator), starting system, lighting systems (headlights, taillights, interior), power distribution (fuses, relays), wiring schematics for all circuits, multiplex communication (CAN bus), ECU diagnostics, and component testing.

Comfort Convenience:

Includes HVAC (Heating, Ventilation, and Air Conditioning) system service, power windows, power locks, central locking, interior trim removal/installation, seat adjustments, and related electrical controls.

Maintenance Procedures:

Routine maintenance tasks such as oil changes, filter replacements (oil, air, fuel, cabin), spark plug replacement, coolant flushes, brake fluid changes, drive belt inspection/replacement, and general inspections.

Diagnostic Procedures:

Step-by-step troubleshooting guides for common and complex issues, diagnostic trouble code (DTC) interpretation and resolution, using diagnostic scan tools, and component testing methodologies.

Repair Procedures:

Detailed, illustrated instructions for component removal, disassembly, repair, reassembly, and installation across all vehicle systems. This includes engine rebuilds, transmission overhauls, brake caliper replacement, suspension component replacement, and electrical component repair.

Body Exterior Interior:

Procedures for body panel alignment, door/hood/trunk repair and adjustment, glass replacement, interior trim panel removal and installation, and seat servicing.

Depth Of Information:

Factory-level technical information, suitable for professional technicians and advanced DIY enthusiasts. Covers everything from basic maintenance to complete system diagnostics and major component overhauls.

Resource Type:

Vehicle-specific, not generic. Direct replacement for dealership technician resources.

📊 Manual Specifications

Standard Format:

PDF (Portable Document Format)

Compatibility:

Compatible with Windows (Vista, XP, ME, 98, NT, 2000, 7, 8, 10, 11) and Mac operating systems.

Required Software:

Adobe Acrobat Reader (free) and WinZip or equivalent for extraction.

Printability:

All pages are printable, allowing users to print specific sections or the entire manual.

Image Scalability:

Images and diagrams can be blown up for enhanced detail before printing.

Digital Binding:

N/A (Digital PDF format)

Digital Paper Type:

N/A (Digital PDF format)

Digital Navigation:

Single, easy-to-use PDF with no need to flip through multiple physical books. Searchable content is highly probable.

⚙️ Engine Specifications

Engine Type:

Naturally Aspirated Petrol

Engine Displacement:

2.0 Liters (1997 cc)

Engine Configuration:

Inline-4 (4-cylinder)

Fuel Delivery:

Multi-point fuel injection

Typical Horsepower:

Approximately 136-140 PS (Pferdestärke) or 134-138 hp (horsepower).

Typical Torque:

Around 190-200 Nm (Newton-meters).

Fuel Type:

Unleaded Petrol (Gasoline)

ECU Type:

Bosch Motronic or similar ECU, with comprehensive diagnostic capabilities.

🔧 Transmission

Transmission Type Standard:

5-speed Manual Transmission

Transmission Type Optional:

4-speed or 6-speed Automatic Transmission (AL4 or AT8 depending on exact variant).

Clutch Type:

Dry single-plate clutch (for manual transmission).

📐 Dimensions

Body Styles Available:

Hatchback (3-door and 5-door), Coupe (2-door C4), and Saloon (4-door).

Typical Length:

Around 4260 mm (5-door hatchback).

Typical Width:

Around 1773 mm.

Typical Height:

Around 1488 mm.

Curb Weight Approx:

1250-1350 kg (depending on body style and transmission).

Wheelbase Approx:

2608 mm.

🛡️ Safety Features

Euro Ncap Rating:

5 Stars (achieved by the C4 in general for the first generation, indicating high levels of occupant protection).

ABS:

Standard Anti-lock Braking System.

Esp:

Optional Electronic Stability Program (ESP).

Airbags:

Multiple airbags including front, side, and curtain airbags.

Seatbelts:

Pre-tensioning seatbelts with force limiters.

Chassis Design:

Designed with crumple zones and a reinforced safety cell.

💡 Technology Features

Audio System:

Integrated CD player, radio, and often MP3 compatibility. Steering wheel mounted controls were common.

Central Display:

Fixed central digital display for climate control, audio, and trip computer information. Some models may have featured an early navigation system.

Cruise Control:

Available as an option on many trims, with controls often on a separate stalk.

Parking Sensors:

Rear parking sensors were available on higher trims.

Auxiliary Input:

An auxiliary audio input jack for external music players was often present.

Multiplex Communication:

Extensive use of CAN (Controller Area Network) bus for communication between ECUs, enabling advanced diagnostics and feature integration.

🔧 Maintenance

Oil Change Interval Petrol:

Typically every 12,500 miles (20,000 km) or 2 years, whichever comes first, using synthetic oil.

Air Filter Replacement:

Recommended every 25,000 miles (40,000 km) or as needed based on driving conditions.

Spark Plug Replacement:

Iridium spark plugs typically last around 60,000-75,000 miles (100,000-120,000 km).

Timing Belt Replacement:

For the 2.0i engine (likely EW10J4), the timing belt replacement is usually recommended every 75,000 miles (120,000 km) or 5 years. *Crucial to verify this with the manual as incorrect interval can cause catastrophic engine failure.*

Engine Oil Specification:

API SN or higher, ACEA A3/B4 or C3, SAE 5W-30 or 0W-30 fully synthetic oil (specifics vary based on engine and manufacturer approval, e.g., PSA B71 2290/2297).

Coolant Specification:

Ethylene glycol-based coolant, typically a long-life antifreeze/coolant conforming to PSA standards (e.g., PSA S7E 101.00).

Brake Fluid Specification:

DOT 4 (or DOT 3 if specified for older models), meeting ISO 4925 standards.

Transmission Fluid Manual:

SAE 75W-80 or 75W-90 API GL-4 manual transmission fluid.

Transmission Fluid Automatic:

Specific ATF fluid for AL4 or AT8 transmissions, typically LT 71141 or equivalent.

Common Minor Issues:

Electrical gremlins, particularly related to ABS sensors, window regulators, and the central display unit. Some instances of coil pack failure on petrol engines. Suspension bush wear over time.

Common Major Issues:

Potential for the AL4 automatic gearbox to exhibit 'limp mode' issues or torque converter problems if not serviced correctly. Timing belt failure (if overdue) is critical for the EW10 engine. Catalytic converter issues can arise from prolonged operation with misfires.

📚 Vehicle History

Citroen Legacy:

Citroën has a long history of innovation in automotive engineering, dating back to André Citroën's first car in 1919, known for its avant-garde designs and advanced technology (e.g., Traction Avant, DS).

C4 Introduction:

The first-generation Citroën C4 was launched in 2004 as a replacement for the Citroën Xsara, aiming to compete in the highly contested C-segment. It featured distinctive styling and a focus on comfort and interior space.

2008 Model Year Context:

The 2008 model year represents a mid-life stage of the first-generation C4, likely with minor updates to features or trim levels, but retaining the core platform and powertrain options.

Manufacturing Locations:

Primarily manufactured in France (e.g., Aulnay-sous-Bois) and other PSA Peugeot Citroën facilities globally.

🏆 Awards & Recognition

Safety Awards:

5-star Euro NCAP rating is a significant recognition of its safety standards.

Design Awards:

The C4's distinctive ' সিলুয়েট' (silhouette) and innovative features like the fixed-hub steering wheel were often praised for their design flair.