Segment:
City Car / Subcompact Hatchback
Target Audience:
Budget-conscious urban drivers, first-time car buyers, and small families seeking economical transportation.
Primary Competitors:
Toyota Aygo, Peugeot 107, Fiat 500, Volkswagen up!, Hyundai i10, Kia Picanto.
Design Philosophy:
Compact, agile, fuel-efficient, and affordable urban mobility with a distinctive French design flair.
Platform Sharing:
Developed in collaboration with Toyota (Aygo) and Peugeot (107), sharing a common platform and key components.
Engine Mechanics:
Engine overhaul, cylinder head, pistons, crankshaft, lubrication system, cooling system, timing belt/chain, emissions control systems.
Fuel System:
Fuel tank, fuel pump, fuel injectors, fuel pressure regulator, emission control systems (EVAP).
Ignition System:
Spark plugs, ignition coils, engine control unit (ECU) ignition timing.
Transmission Manual:
Clutch assembly, gearbox internal components, shifting mechanisms, gear ratios, maintenance, and repair.
Transmission Automated Manual:
Operation of the electronic clutch actuator, gear selection actuator, hydraulic system, troubleshooting.
Braking System:
Front and rear brake systems (discs/drums), hydraulic lines, ABS (Anti-lock Braking System) components, parking brake.
Suspension System:
Front and rear suspension components, shock absorbers, springs, control arms, wheel alignment procedures.
Steering System:
Steering rack, power steering system (if applicable, though typically electric on C1), steering column, tie rods.
Electrical System:
Battery, alternator, starter motor, lighting systems, fuses, relays, wiring diagrams, body control module (BCM).
Climate Control:
Air conditioning system (refrigerant, compressor, condenser, evaporator), heater system, cabin filters.
Bodywork:
Exterior panels, doors, hood, trunk, bumpers, interior trim, glass replacement, rust prevention.
Scheduled Maintenance:
Detailed schedules for oil changes, filter replacements, spark plugs, brake fluid, coolant, and inspections.
Engine Repair:
Complete engine disassembly, inspection, and reassembly procedures, including torque specifications for critical fasteners.
Transmission Repair:
Clutch replacement, gearbox component replacement, seal and gasket replacement.
Brake System Service:
Brake pad and disc/drum replacement, brake fluid bleeding, caliper servicing.
Suspension And Steering Repair:
Replacement of ball joints, tie rod ends, shock absorbers, springs, steering rack repair.
Electrical Diagnostics:
Troubleshooting common electrical faults using wiring diagrams, component testing procedures.
Air Conditioning Service:
Refrigerant charging, leak detection, compressor replacement.
Troubleshooting Guides:
Systematic diagnostic procedures for common symptoms and fault codes.
Body Panel Replacement:
Procedures for removing and installing exterior body panels, aligning doors, and replacing glass.
Depth:
In-depth, suitable for professional mechanics and advanced DIY enthusiasts. Includes detailed diagrams, specifications, and troubleshooting trees.
Engine Code:
1KR-FE (Toyota-derived)
Engine Type:
3-cylinder, naturally aspirated petrol
Displacement:
998 cc (1.0 Litre)
Bore X Stroke:
71 mm x 83.8 mm
Compression Ratio:
10.5:1
Horsepower:
68 PS (50 kW) @ 6,000 rpm
Torque:
93 Nm (69 lb-ft) @ 3,600 rpm
Fuel Delivery:
Multi-point Fuel Injection (MPI)
Fuel Type:
Unleaded Petrol (95 RON recommended)
ECU Type:
Denso ECU (e.g., 89661-YYxxx series)
Oil Capacity:
3.1 litres (with filter change)
Recommended Oil Grade:
SAE 0W-20 or 5W-30 (API SN/CF, ACEA A1/B1 or A5/B5 compliant)
Coolant Capacity:
Approx. 4.0 litres
Coolant Type:
Ethylene glycol-based antifreeze with corrosion inhibitors (long-life, pink/purple)
Euroncap Rating:
4 Stars (scored 28 points out of 37 for adult occupant protection, 3 stars for child occupant protection, 1 star for pedestrian protection in original tests).
ABS:
Standard on all models (Anti-lock Braking System).
Esp:
Optional or standard on higher trims depending on market (Electronic Stability Program).
Ebs:
Emergency Brake Assist (EBA).
Airbags Front:
Driver and front passenger airbags standard.
Airbags Side:
Optional front side airbags.
Seatbelts:
3-point seatbelts with pretensioners and load limiters (front), 2-point rear lap belt (centre rear), 3-point belts (outer rear).
Child Seat Anchors:
ISOFIX mounting points for rear seats.
Oil Change Interval:
15,000 km (9,300 miles) or 1 year, whichever comes first.
Air Filter Replacement:
Every 30,000 km (18,600 miles) or 2 years.
Pollen Filter Replacement:
Every 30,000 km (18,600 miles) or 1 year.
Spark Plug Replacement:
Every 60,000 km (37,300 miles) or 4 years (NGK Iridium recommended).
Brake Fluid Change:
Every 2 years, regardless of mileage.
Coolant Change:
Every 5 years or 100,000 km (62,000 miles) (long-life coolant).
Timing Belt Replacement:
Every 100,000 km (62,000 miles) or 6 years (whichever comes first). Includes idler pulleys and tensioner.
Engine Oil Specification:
Refer to 'engine_specs' section; typically SAE 0W-20 or 5W-30 API SN/ACEA A5/B5.
Brake Fluid Specification:
DOT 4
Coolant Specification:
Refer to 'engine_specs' section; typically long-life pink/purple ethylene glycol.
Power Steering Fluid:
Electric Power Steering (EPS) - no fluid to change, but specific diagnostic procedures apply.
Clutch Wear:
Premature clutch wear, especially in urban stop-and-go traffic and with the automated manual transmission (2-Tronic).
Engine Performance:
Underpowered feel on motorways or inclines, occasional rough idle if ignition or fuel system components are faulty.
Exhaust Manifold:
Cracking of the exhaust manifold on the 1KR-FE engine is a known issue, especially on earlier models, though less prevalent on facelifted versions.
Electric Power Steering:
Intermittent or complete failure of the EPS system, often indicated by warning lights and heavy steering.
Rear Wheel Bearings:
Premature wear of rear wheel bearings, leading to rumbling noises.
Body Rust:
Potential for rust on sills, wheel arches, and underbody components, especially in regions with salted roads.
Citroen Brand:
Citroën, a French manufacturer known for innovative and often quirky designs, positioned as a value-oriented brand within the PSA Peugeot Citroën group (now Stellantis).
C1 Introduction:
First generation C1 launched in 2005 as part of the Project B collaboration with Toyota and Peugeot, replacing the Citroën Saxo.
Facelift:
The 2014 model represents the facelift version of the first-generation C1, introducing updated styling, minor interior revisions, and potentially improved efficiency or features.
Manufacturing Location:
Kolín, Czech Republic (jointly with Toyota Peugeot Citroën Automobile Czech s.r.o. - TPCA).
Production Years:
First generation C1: 2005-2014. This manual covers the 2014 model year within this generation.