Segment:
City Car / Compact Car
Target Audience:
First-time car buyers, urban commuters, budget-conscious motorists
Key Competitors:
Toyota Aygo, Peugeot 107, Fiat 500
Vehicle Highlights:
Compact dimensions, fuel efficiency (HDi diesel), maneuverability, low running costs, shared platform with Toyota Aygo and Peugeot 107.
Engine Mechanical:
Full rebuild procedures, component testing, timing belt, oil pump, cooling system
Engine Management:
Fuel injection system (common rail), ignition system (diesel glow plugs), sensors, ECU diagnostics
Transmission:
Manual gearbox, clutch system, drivelines, bearings
Brakes:
Hydraulic system, ABS, brake discs, pads, calipers, lines, fluid specifications
Suspension:
Front and rear suspension components, shock absorbers, springs, bushings, wheel alignment
Steering:
Power steering system, steering rack, column, alignment
Electrical:
Battery, charging system, starter motor, lighting, fuses, relays, body control module, wiring diagrams
HVAC:
Air conditioning system, heater, ventilation, climate control diagnostics
Bodywork:
Body panel removal and installation, interior trim, doors, windows, locks, bumpers
Routine Maintenance:
Oil changes, filter replacements, spark plug/glow plug checks, fluid level checks
Troubleshooting:
Diagnostic procedures for common and uncommon faults, symptom-based troubleshooting
Repair Procedures:
Step-by-step repair guides for all major mechanical and electrical components
Component Replacement:
Detailed instructions for replacing parts like alternators, starters, fuel injectors, etc.
Diagnostics:
OBD-II fault code interpretation and diagnostic strategies
Depth:
Comprehensive: Covers everything from basic maintenance to full engine and transmission rebuilds, including detailed electrical schematics and diagnostic data.
Engine Type:
Turbocharged Direct Injection Diesel (HDi)
Engine Displacement:
1398 cc (1.4 Liters)
Bore X Stroke:
73.7 mm x 82 mm
Compression Ratio:
17.9:1
Horsepower:
68 PS (50 kW) @ 4000 rpm
Torque:
150 Nm (111 lb-ft) @ 1750 rpm
Injection System:
Common Rail Direct Injection (Bosch)
Emission Control:
Euro 4 compliant, Diesel Particulate Filter (DPF) may be present on later models/versions
Cooling System Type:
Liquid-cooled
Coolant Capacity:
Approx. 4.5 Liters
Oil Type:
API CF/CG-4 or ACEA B3/B4 specification (e.g., Total Quartz Ineo MC3 5W-30 Low SAPS recommended)
Oil Capacity:
Approx. 3.5 Liters (with filter)
Type:
Automated Manual Transmission (2-Tronic) - check for availability on specific trims/markets
Gear Ratios:
Specific ratios detailed within the manual, crucial for performance and economy tuning.
Manual Transmission Fluid:
API GL-4 SAE 75W-80 (e.g., Total Transmission BV 75W-80)
Manual Transmission Oil Capacity:
Approx. 1.9 Liters
Euro Ncap Rating:
4 Stars (for adult occupant protection in original tests)
ABS:
Anti-lock Braking System (standard on most models)
Ebd:
Electronic Brakeforce Distribution (often integrated with ABS)
Emergency Brake Assist:
EBA (available on some trims)
Airbags:
Driver and passenger front airbags (standard). Side airbags and curtain airbags may be optional depending on market and trim.
Seatbelts:
Three-point seatbelts with pretensioners and force limiters
Isofix Points:
ISOFIX child seat mounting points (rear seats standard)
Body Structure:
Reinforced safety cell with crumple zones
Audio System:
Optional CD player with radio, steering wheel controls, potential for auxiliary input.
Cruise Control:
Not typically standard, optional on higher trims.
Parking Sensors:
Optional rear parking sensors available on some models.
Bluetooth:
Rarely standard on 2005 models, may be an aftermarket addition or available on very late/high trims.
Dashboard Features:
Tachometer, speedometer, fuel gauge, odometer, trip computer (basic), various warning lights.
Oil And Filter Change:
Every 20,000 km or 1 year, whichever comes first. Consult manual for specific conditions.
Air Filter Replacement:
Every 40,000 km or 2 years
Fuel Filter Replacement:
Every 60,000 km or 3 years (Diesel)
Timing Belt Replacement:
Every 100,000 km or 5 years (whichever comes first) for the 1.4 HDi engine. Crucial interval to prevent catastrophic engine damage.
Coolant Replacement:
Every 5 years or 100,000 km
Power Steering Fluid:
Refer to manual, typically a specific hydraulic fluid (e.g., PSA S71 2710)
Windscreen Washer Fluid:
Water with screenwash additive
Common Wear Items:
Clutch wear, suspension bushings, exhaust system components, front brake discs and pads
Diesel Specific Issues:
Glow plug failure, EGR valve clogging (especially with short-distance driving), diesel injector issues, DPF regeneration problems (if equipped).
Electrical Quirks:
Occasional issues with window regulators, central locking actuators, and dashboard warning lights.
Maintenance Schedule Details
Comprehensive Schedule:
Manual provides a detailed schedule for every 20,000 km, including checks and replacements for all major systems.
Citroen Legacy:
Citroën, a French manufacturer, has a long history of innovative and distinctive vehicles, known for comfort and design.
Project Origin:
The C1 was developed as part of a joint venture with Toyota (the 'B-Zero' project), sharing its platform and many components with the Toyota Aygo and Peugeot 107.
Production Start:
The first generation C1, including this 2005 model year, was launched in 2005.
Manufacturing Location:
TPCA (Toyota Peugeot Citroën Automobile) plant in Kolín, Czech Republic
