Vehicle Segment:
Compact family car (C-segment).
Target Audience:
Individuals and families seeking a stylish, comfortable, and practical European hatchback.
Key Competitors:
Volkswagen Golf, Ford Focus, Opel/Vauxhall Astra, Renault Mégane.
Design Philosophy:
Emphasized aerodynamic styling, innovative interior design, and driver comfort.
Manual Utility:
Empowers owners and technicians with factory-level knowledge for efficient and accurate repairs and maintenance.
Model Years Covered:
2004 (primarily, with potential relevance to early C4 models)
Engine Variants Covered:
1.6i 16V (TU5JP4/EP6 - clarification needed on specific engine code if provided by manufacturer, but 1.6i 16V points to a specific family)
Trim Levels Covered:
All applicable trim levels for the 1.6i 16V engine variant
Estimated Page Count:
Hundreds (as stated, typical for a complete factory manual)
Manual Type:
Workshop Service Repair Manual
Delivery Format:
Instant Download (Digital PDF)
Engine:
Complete overhaul, diagnostics, timing belt, cooling system, lubrication, fuel injection, ignition system, exhaust system, engine management system (ECU).
Transmission:
Manual transmission (likely, given engine) - removal, installation, internal components, fluid specifications, clutch operation and replacement.
Brakes:
Hydraulic system, ABS, brake pad and disc replacement, caliper overhaul, bleeding procedures, parking brake.
Electrical:
Wiring diagrams, battery, charging system (alternator, starter), lighting, fuses and relays, power windows, central locking, dashboard instruments, diagnostic connector (OBD-II).
Suspension:
Front and rear suspension components, shock absorbers, springs, ball joints, bushings, wheel alignment specifications.
Steering:
Power steering system (hydraulic), steering rack, tie rod ends, steering column.
Bodywork:
Exterior panel removal and installation, interior trim, door mechanisms, hood and trunk operation, glass replacement.
HVAC:
Air conditioning system, heater core, ventilation system, refrigerant handling (with safety precautions).
Maintenance:
Routine maintenance, oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, brake fluid flush, coolant replacement.
Troubleshooting:
Diagnostic procedures for common faults, symptom-based troubleshooting guides, error code interpretation.
Repair:
Step-by-step repair instructions for all major components and systems, including detailed disassembly and reassembly processes.
Installation:
Installation procedures for replacement parts and accessories.
Diagnostics:
On-board diagnostics (OBD-II), sensor testing, actuator testing, fault finding.
Depth Of Coverage:
Comprehensive (Factory-level detail for professional technicians and advanced DIYers).
Diagrams Illustrations:
High-quality diagrams, exploded views, and detailed illustrations for clarity of procedures.
Specifications:
Critical torque specifications, clearances, fluid capacities, and other vital data.
Engine Type:
Naturally Aspirated Inline-4
Displacement:
1587 cc (1.6 Liters)
Bore X Stroke:
78.5 mm x 82.0 mm (typical for TU5JP4)
Compression Ratio:
10.2:1 (typical for TU5JP4)
Valve Train:
DOHC, 4 valves per cylinder
Horsepower:
Approximately 109 PS (107 bhp; 80 kW) at 6000 rpm (typical for TU5JP4 in this application)
Torque:
Approximately 147 Nm (108 lb-ft) at 4000 rpm (typical for TU5JP4 in this application)
Fuel Delivery:
Multi-point fuel injection (MPFI)
Fuel Type:
Unleaded gasoline (RON 95 recommended)
Emission Control:
Catalytic converter, Euro 3/4 compliant (depending on market)
Euroncap Rating:
5 Stars (for the C4 model generally, verified for Euro NCAP crash tests of the era)
ABS:
Standard (Anti-lock Braking System)
Esp:
Optional (Electronic Stability Program), potentially available on higher trims.
Airbags:
Multiple airbags (front, side, curtain) depending on trim level.
Seatbelts:
Pre-tensioned seatbelts with force limiters, ISOFIX child seat anchors.
Audio System:
Factory fitted radio/CD player with steering wheel controls.
Navigation:
Optional factory navigation system.
Cruise Control:
Optional cruise control and speed limiter.
Parking Sensors:
Optional rear parking sensors.
Bluetooth:
Rare for 2004 models as standard, likely an aftermarket addition or available on later revisions/higher trims.
Oil Change Interval:
Typically every 20,000 km or 1 year, whichever comes first (check manual for specific oil type).
Timing Belt Replacement:
Typically 120,000 km or 5 years (critical item for this engine family; consult manual for exact interval).
Engine Oil Type:
Refer to manual; likely Total Quartz INEO ECS 5W-30 or a compatible API SN/ACEA C2 specification oil.
Engine Oil Capacity:
Approx. 3.2 Liters with filter change (verify in manual).
Coolant Type:
Antifreeze/Coolant (e.g., Citroën Blue Antifreeze) - ethylene glycol based, typically orange or red hue.
Transmission Fluid Type:
Refer to manual; manual gearbox oil specification (e.g., API GL-4).
Ignition Coils:
Can be prone to failure, leading to misfires.
Electric Power Steering:
Early models could have issues with the EPS system, though this engine is more likely to have hydraulic power steering.
Thermostat:
Can fail to open or close correctly, affecting engine temperature regulation.
Egr Valve:
Can become clogged with carbon deposits, affecting engine performance and emissions.
Citroen Philosophy:
Known for innovation, avant-garde design, and comfort-oriented engineering.
C4 Introduction:
Launched in 2004 as a successor to the Citroën Xsara, based on the PSA Platform 2.
Generation:
First Generation (2004-2010)
Manufacturing Locations:
Primarily produced in France (e.g., Aulnay-sous-Bois) and Spain.