🏷️ Basic Information

Make:

Citroën

Model:

C1

Year:

2005

Engine:

1.0i (VTi)

Transmission:

MMT (MultiMode Transmission)

Engine Code:

1KR-FE (Toyota Aygo/Peugeot 107 derivative)

Chassis Code:

PM/PN

👋 Introduction

Market Position:

The Citroën C1, along with its Peugeot 107 and Toyota Aygo counterparts, was positioned as an ultra-compact, city-focused hatchback. It targeted budget-conscious buyers, first-time car owners, and those seeking economical urban transportation.

Competitive Analysis:

Competed directly with other small city cars such as the Fiat 500, Ford Ka, Volkswagen Fox, and Hyundai i10. Its key selling points were its low purchase price, excellent fuel economy, and maneuverability in tight urban environments.

Key Features:

Compact dimensions, fuel-efficient 1.0L engine, distinctive styling, MMT automated manual transmission offering convenience, low running costs, surprisingly spacious interior for its class, shared platform with Toyota Aygo and Peugeot 107.

📋 Manual Details

Coverage Areas:

All mechanical and electrical systems, bodywork, diagnostics, maintenance, repair, troubleshooting.

Page Count:

Estimated 1500+ pages (comprehensive digital format)

Manual Type:

Full Service & Repair Manual

Language:

English

Format:

Digital (likely PDF, eManual)

📖 Manual Coverage

Systems Covered:

Engine, Fuel System, Ignition System, Cooling System, Lubrication System, Exhaust System, Clutch, Manual Transmission (MMT), Automatic Transmission Control, Driveshafts, Suspension (Front & Rear), Steering, Brakes (Front & Rear), ABS, Electrical System (Wiring Diagrams, ECU), Lighting, Body Electricals, Climate Control, Bodywork (Panels, Doors, Interior Trim), Safety Systems (Airbags).

Procedures Included:

Routine Maintenance, Scheduled Servicing, Engine Overhaul, Transmission Repair & Adjustment, Brake System Servicing, Suspension Component Replacement, Steering System Maintenance, Electrical Diagnostics & Repair, Wiring Harness Repairs, Body Panel Alignment & Replacement, Interior Trim Installation, Air Conditioning Servicing, Diagnostic Trouble Code (DTC) Interpretation & Resolution, Component Testing, Fluid Changes, Filter Replacements.

Technical Depth:

Comprehensive: Covers everything from basic fluid checks and filter changes to complete engine rebuilds, transmission overhauls, and complex electrical diagnostics. Includes detailed component specifications, torque values, and step-by-step repair instructions.

📊 Manual Specifications

File Format:

PDF (Searchable text, bookmark navigation, high-resolution diagrams)

Print Quality:

High-resolution digital scans suitable for printing specific sections or the entire manual.

Binding Type:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Primary Engine:

Toyota 1KR-FE, 1.0L (998cc) 3-cylinder DOHC VVT-i petrol engine.

Horsepower:

68 PS (50 kW) @ 6000 rpm

Torque:

93 Nm (69 lb-ft) @ 3600 rpm

Fuel System:

Electronic Multi-Point Fuel Injection (MPI)

Fuel Type:

Unleaded Petrol (95 RON recommended)

Emission Standard:

Euro 4

Cooling System:

Water-cooled, pressurized system with thermostatic control.

Lubrication System:

Pressurized wet-sump system with trochoid oil pump.

🔧 Transmission

Standard:

MMT (MultiMode Transmission) - Automated Manual Transmission.

Optional:

5-speed Manual Transmission (available on some trims).

Features:

MMT features semi-automatic shifting with manual override via gear lever or steering wheel paddles (if equipped). Includes automatic clutch operation. Offers 'Auto' and 'Manual' modes. The system utilizes an electro-hydraulic actuator and clutch actuator.

Fluid Type Mmt:

Specific MMT fluid (refer to manual for exact specification, typically a specialized ATF or gear oil).

Gear Ratios 5Mt:

Refer to manual for exact ratios.

📐 Dimensions

Length:

Approx. 3430 mm

Width:

Approx. 1630 mm

Height:

Approx. 1465 mm

Wheelbase:

Approx. 2340 mm

Boot Capacity Seats Up:

Approx. 139 litres

Boot Capacity Seats Down:

Approx. 718 litres

Kerb Weight:

Approx. 800-830 kg (depending on specification)

Gross Vehicle Weight:

Approx. 1280 kg

Wheel Bolt Pattern:

4x100

Standard Tyre Size:

155/65 R14

Standard Wheel Size:

14-inch steel or alloy

🛡️ Safety Features

Euro Ncap Rating:

4 Stars (for the Aygo/C1/107 platform in 2005)

Active Features:

Anti-lock Braking System (ABS) with Electronic Brakeforce Distribution (EBD), Power Assisted Steering (PAS).

Passive Features:

Driver and front passenger airbags, optional side airbags, ISOFIX child seat mounting points, reinforced body structure, front and rear crumple zones, seatbelt pretensioners.

💡 Technology Features

Infotainment System:

Basic radio/CD player with standard speakers. Some higher trims may feature MP3 playback and auxiliary input. Steering wheel audio controls were an option.

Driver Assistance:

Limited; primarily focused on basic safety. Power steering is standard. ABS with EBD is a key active safety feature.

Connectivity:

Basic; typically includes an auxiliary input for external audio devices on models with updated stereos.

Lighting:

Halogen headlights with manual beam adjustment. Standard front and rear lighting. Some models may have optional front fog lights.

🔧 Maintenance

Service Intervals:

Oil and filter change: Every 15,000 km or 1 year, whichever comes first. Air filter: Every 30,000 km or 2 years. Cabin filter: Every 15,000 km or 1 year. Spark plugs: Every 60,000 km or 4 years. Transmission fluid (MMT): Check periodically, replace as per manual recommendations (often sealed for life but periodic inspection is wise).

Engine Oil Spec:

API SG or SH, ACEA A1/B1 or A3/B3. Viscosity: 0W-20, 5W-30. Capacity: Approx. 3.1 litres with filter.

Coolant Spec:

Ethylene glycol-based coolant, suitable for aluminium engines. Mix: 50% coolant / 50% distilled water. Capacity: Approx. 4.0 litres.

Brake Fluid Spec:

DOT 3 or DOT 4.

Washer Fluid Spec:

Screenwash concentrate mixed with water.

Known Issues:

MMT gearbox can be jerky and prone to wear if not serviced or driven smoothly. Clutch actuator wear. Potential for early wear on suspension components due to typical urban use. Minor electrical gremlins can occur over time. Catalytic converter issues can arise if oil is consumed.

Oil Filter Part Number:

Common part numbers include Mann-Filter W 68/3, Bosch 0 986 452 021, Purflux LS277 (verify with vehicle VIN).

Air Filter Part Number:

Common part numbers include Mann-Filter C 26 006, Bosch 1 457 433 522, Purflux A182 (verify with vehicle VIN).

📚 Vehicle History

Brand Heritage:

Citroën, a French automotive manufacturer founded in 1919, is known for its innovative and often avant-garde designs, comfort-oriented suspension, and focus on practical, affordable motoring. The C1 continues this tradition of compact car expertise.

Model Evolution:

The Citroën C1 was launched in 2005 as part of a collaborative project between PSA Peugeot Citroën and Toyota. It was developed alongside the Toyota Aygo and Peugeot 107. This first generation (PM/PN) represented Citroën's entry into the ultra-compact segment in Europe.

Production Location:

TPCA (Toyota Peugeot Citroën Automobile) plant in Kolín, Czech Republic.

Production Years:

2005 - 2014 (First Generation)

🏆 Awards & Recognition

Recognitions:

While the C1 itself didn't receive individual prestigious awards as a standalone model, the platform it shared with the Toyota Aygo and Peugeot 107 consistently ranked well in city car segments for economy, practicality, and value in various European consumer surveys and publications during its production run.

Ratings:

Often rated highly for its fuel efficiency (e.g., over 60 MPG on the highway in ideal conditions) and low running costs by automotive journalists and consumer guides.

Certifications:

Designed to meet European safety and emissions standards (Euro 4) for vehicles sold within the EU.