Segment:
City Car / Subcompact
Competitors:
Toyota Aygo, Peugeot 107, Fiat 500, Volkswagen Fox.
Design Philosophy:
Affordable, fuel-efficient, and maneuverable urban transport.
Platform Sharing:
Shares platform and many components with Toyota Aygo and Peugeot 107 (Project B-Zero).
Powertrain:
Engine mechanical, cooling system, lubrication system, fuel system, ignition system, exhaust system, engine management (ECU).
Transmission:
Manual gearbox (operation, diagnosis, repair), clutch system (operation, diagnosis, replacement), driveshafts and CV joints.
Chassis:
Suspension (front and rear), steering system (diagnosis, repair), braking system (hydraulic components, ABS if applicable), wheel alignment.
Electrical:
Battery, charging system, starting system, lighting (headlights, taillights, interior), instrumentation, power windows, central locking, audio system, fuses and relays.
Bodywork:
Body panels, doors, hood, trunk, bumpers, interior trim, glass replacement, body repair procedures.
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system operation and common faults.
Maintenance:
Routine checks, oil changes, filter replacements, spark plug replacement, belt inspection/replacement, brake fluid flush, coolant replacement.
Troubleshooting:
Diagnostic flowcharts for common drivability issues, electrical faults, and mechanical problems.
Repair:
Step-by-step repair instructions for major components such as engine, transmission, suspension, brakes, and electrical systems.
Diagnosis:
Detailed diagnostic procedures for identifying the root cause of malfunctions, including specific test procedures and specifications.
Scope:
Comprehensive, covering routine maintenance to major overhauls and component replacements.
Configuration:
Inline 3-cylinder
Bore X Stroke:
71 mm x 84 mm
Compression Ratio:
10.5:1
Valve Train:
DOHC, 12 valves (4 valves per cylinder)
Fuel Delivery:
Electronic Fuel Injection (MPI)
Ignition System:
Electronic ignition with distributorless coil-on-plug ignition (DIS).
Horsepower Ps:
68 PS @ 6000 rpm
Horsepower Kw:
50 kW @ 6000 rpm
Torque Nm:
93 Nm @ 3600 rpm
Emission Standard:
Euro 4 (typical for this year)
Fuel Type:
Unleaded Petrol (Octane rating recommended: 95 RON)
Fuel Tank Capacity:
35 Liters (approx.)
Type:
5-speed Manual Transmission
Type:
Semi-automatic (also known as 'Sextonic' or 'Automated Manual Transmission')
Clutch Type:
Single dry plate clutch
Gear Ratios:
Specific gear ratios for each speed would be detailed in the manual.
Transmission Fluid:
Specific manual transmission fluid (MTF) specification will be provided, e.g., SAE 75W-85 API GL-4.
Euro Ncap Rating:
4 Stars (for adult occupant protection in its initial release, though specific year testing may vary)
ABS:
Anti-lock Braking System (ABS) with Electronic Brake-force Distribution (EBD) available on some trims.
Emergency Brake Assist:
Emergency Brake Assist (EBA) may be fitted.
Airbags:
Driver and passenger front airbags, side airbags (optional on some trims).
Seatbelts:
3-point front seatbelts with pre-tensioners, 2-point rear seatbelts.
Isofix:
ISOFIX child seat mounting points (typically two rear).
Audio System:
Basic AM/FM radio with CD player, often with steering wheel mounted audio controls on higher trims.
Speakers:
Typically 2 or 4 speakers depending on trim level.
ABS And Ebd:
Availability of ABS and EBD enhances braking safety.
Rear Parking Sensors:
Optional fitment on certain models.
Aux Input:
Auxiliary input for audio devices may be present on some head units.
Oil Change:
Typically every 15,000 km or 12 months, whichever comes first. Refer to manual for exact interval.
Air Filter:
Inspect every 15,000 km, replace as needed or at a defined interval (e.g., 30,000 km).
Cabin Filter:
Replace annually or as needed, depending on operating conditions.
Spark Plugs:
Replace typically every 60,000 km (iridium type recommended).
Coolant:
Replace every 60,000 km or 4 years (long-life coolant).
Brake Fluid:
Replace every 2 years.
Engine Oil:
Engine Oil Specification: 0W-20 or 5W-30, API SN/SP or ACEA C2/C3, meeting PSA B71 2312 or equivalent.
Coolant:
Coolant: OAT (Organic Acid Technology) type, pre-diluted ethylene glycol, colour: pink/purple.
Brake Fluid:
Brake Fluid: DOT 4.
Power Steering Fluid:
If equipped with electric power steering, no fluid is required. Hydraulic systems would use specific ATF or PSF.
Windshield Washer Fluid:
Washer Fluid: Diluted windshield washer fluid concentrate.
Engine Performance:
Potential for occasional rough idling or misfires if ignition components (plugs, coils) are worn. Timing chain wear can be a long-term concern.
Clutch Wear:
Clutch wear can be accelerated by frequent stop-start city driving. Noise or difficulty engaging gears can indicate issues.
Suspension:
Front suspension components (bushings, ball joints) can wear over time, leading to knocking noises or handling issues. Rear torsion beam suspension requires specific alignment checks.
Electrical:
Corrosion on battery terminals, issues with power window regulators, and occasional failure of interior light bulbs are reported.
Rust:
Body rust can be a concern in areas with harsh winters or high humidity, particularly around wheel arches and sills.
Citroen Legacy:
Citroën has a long history of producing innovative and affordable small cars, often prioritizing comfort and design.
C1 Development:
The C1 was developed as part of a joint venture with Toyota, aiming to create a stylish and economical city car for the European market.
First Generation:
The 2005 model represents the first generation of the Citroën C1.
Manufacturing Location:
Kolín, Czech Republic (at the TPCA - Toyota Peugeot Citroën Automobile - plant).
