🏷️ Basic Information

Make:

Citroën

Model:

C1 I

Year:

2006

Generation:

First Generation (2005-2014)

Platform:

Project B / Peugeot 107 Platform (Toyota Aygo Collaboration)

👋 Introduction

Segment:

City Car / A-Segment

Target Audience:

Urban commuters, first-time car buyers, small families

Key Competitors:

Peugeot 107, Toyota Aygo, Fiat 500, Ford Ka, Hyundai i10

Unique Selling Points:

Compact dimensions, excellent fuel economy, low running costs, agile city driving

Design Philosophy:

Simple, functional, and affordable urban mobility

📋 Manual Details

Market:

European Market

Geography:

United Kingdom and Continental Europe

Page Count:

~300-400 pages (estimated for a comprehensive service manual)

Manual Type:

Service and Repair Manual

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Engine:

1.0L (1KR-FE) Petrol, 1.4L (DV4 HDi) Diesel

Engine Management:

Fuel injection, ignition, emissions control, ECU diagnosis

Transmission:

5-Speed Manual, 5-Speed '2-Tronic' Automated Manual

Drivetrain:

Front-Wheel Drive (FWD), clutch, driveshafts

Suspension:

Front McPherson struts, rear torsion beam, steering system

Brakes:

Front ventilated discs, rear drums (or discs on some variants), ABS, EBD

Electrical System:

Battery, charging system, starting system, lighting, instrumentation, body electronics

Bodywork:

Body shell, panels, doors, glass, interior trim, bumpers

HVAC:

Heating, ventilation, air conditioning (if equipped)

Safety Systems:

Airbags, seatbelts, ABS, EBD

Maintenance:

Routine servicing, oil changes, filter replacements, spark plug replacement, brake pad/shoe replacement

Troubleshooting:

Diagnostic fault finding, common problems and solutions

Repair:

Engine overhaul, transmission repair, brake system repair, suspension component replacement, electrical component repair

Diagnostics:

OBD-II code interpretation, sensor testing, actuator testing

Component Replacement:

Detailed steps for replacing major and minor components

Adjustments:

Throttle cable adjustment, handbrake adjustment

Depth:

Comprehensive: Covers basic maintenance to major component overhaul and diagnostics.

Detail Level:

Detailed step-by-step instructions with diagrams and torque specifications.

Diagnostic Tools:

References diagnostic procedures requiring common automotive tools and scan tools.

📊 Manual Specifications

File Format:

PDF

Searchability:

Searchable text content

Printability:

Printable pages

Image Resolution:

High-resolution diagrams and illustrations

Binding Type:

N/A (Digital)

Paper Type:

N/A (Digital)

⚙️ Engine Specifications

Petrol Engine Code:

1KR-FE

Petrol Displacement:

998 cc (1.0 Litre)

Petrol Configuration:

Inline 3-Cylinder, DOHC, 12 Valves

Petrol Bore X Stroke:

71 mm x 84 mm

Petrol Compression Ratio:

12.0:1

Petrol Horsepower:

68 PS (67 bhp) @ 6000 rpm

Petrol Torque:

93 Nm (69 lb-ft) @ 3600 rpm

Petrol Fuel Delivery:

Electronic Multi-Point Fuel Injection (MPI)

Petrol Fuel Type:

Unleaded Petrol (RON 95 recommended)

Diesel Engine Code:

DV4 HDi

Diesel Displacement:

1398 cc (1.4 Litre)

Diesel Configuration:

Inline 4-Cylinder, DOHC, 8 Valves, Turbocharged

Diesel Horsepower:

68 PS (67 bhp) @ 4000 rpm

Diesel Torque:

150 Nm (111 lb-ft) @ 1750 rpm

Diesel Fuel Delivery:

Common Rail Direct Injection (CRDi)

Diesel Fuel Type:

Diesel

🔧 Transmission

Type:

5-Speed Manual

Type:

5-Speed '2-Tronic' Automated Manual

Clutch Type:

Single dry plate (Manual), Automated clutch control (2-Tronic)

Gear Ratios:

Refer to manual for specific ratios by model/engine

Transmission Fluid Type:

Refer to manual for specific specifications (e.g., API GL-4)

📐 Dimensions

Length:

3435 mm

Width:

1630 mm

Height:

1470 mm

Wheelbase:

2340 mm

Ground Clearance:

Approx. 130-150 mm (unladen)

Seating Capacity:

4 people

Boot Volume Seats Up:

Approx. 139 litres

Boot Volume Seats Down:

Approx. 718 litres

Kerb Weight Petrol:

Approx. 790-810 kg

Kerb Weight Diesel:

Approx. 855-875 kg

Gross Vehicle Weight:

Refer to manual for specific GVW rating

Wheel Size:

14-inch or 15-inch

Tyre Size Common:

155/65 R14, 175/60 R15

Bolt Pattern:

4x100

Offset:

ET+35 to ET+45 (typical)

🛡️ Safety Features

Euro Ncap Rating:

4 Stars (2005)

ABS:

Standard on most models

Ebd:

Electronic Brakeforce Distribution (often integrated with ABS)

Airbags Driver:

Standard

Airbags Passenger:

Standard

Airbags Side:

Optional or standard on higher trims

Seatbelt Pretensioners:

Standard on front seats

Isofix Mountings:

Standard for rear seats

💡 Technology Features

Audio System:

Standard RDS radio/CD player with 4 speakers. Higher trims may have improved systems.

Connectivity:

Limited by modern standards; typically no Bluetooth or USB as standard on 2006 models. Aux-in may be present.

Cruise Control:

Not typically available on this model year.

Parking Sensors:

Rarely fitted as standard, potentially an aftermarket option.

Tachometer:

Often integrated into the instrument cluster, sometimes a separate dial.

Gear Shift Indicator:

May be present on some models to improve fuel economy.

🔧 Maintenance

Oil Change Petrol:

Every 15,000 km or 1 year, whichever comes first.

Oil Change Diesel:

Every 20,000 km or 1 year, whichever comes first.

Air Filter Replacement:

Every 30,000 km or 2 years.

Cabin Filter Replacement:

Every 15,000 km or 1 year.

Spark Plug Replacement Petrol:

Every 60,000 km (refer to manual for specific type, e.g., Iridium)

Timing Belt Replacement Petrol:

Every 100,000 km or 6 years (critical component)

Timing Belt Replacement Diesel:

Every 100,000 km or 5 years (critical component)

Engine Oil Grade Petrol:

0W-20 or 5W-30 (API SN/SP, ACEA C2/C3 or equivalent)

Engine Oil Grade Diesel:

5W-30 (API SN/SP, ACEA C2/C3 or equivalent)

Engine Oil Capacity Petrol:

Approx. 3.4 Litres (with filter)

Engine Oil Capacity Diesel:

Approx. 3.8 Litres (with filter)

Coolant Type:

Ethylene Glycol based antifreeze (Pink/Orange OAT formulation recommended)

Coolant Capacity:

Approx. 5.0 Litres

Brake Fluid Type:

DOT 4

Transmission Fluid Type Manual:

API GL-4, SAE 75W-80 or 75W-90

Transmission Fluid Type 2Tronic:

Specific ATF (refer to manual, often mineral oil based)

Clutch Wear:

Can be susceptible to premature wear, especially in urban driving with the 2-Tronic gearbox. Manual clutch wear is generally reasonable.

Engine Mounts:

Can deteriorate over time, leading to increased vibration.

Exhaust System:

Corrosion can affect exhaust components, particularly in areas with road salt.

2 Tronic Gearbox Actuator:

The clutch actuator for the 2-Tronic gearbox can be a failure point, leading to shifting issues or complete failure to engage gear.

Brake Wear:

Front brake pads and discs may wear relatively quickly due to the car's light weight and city use.

Air Conditioning Performance:

Can sometimes be less potent than larger vehicles, particularly in very hot climates.

Rear Wheel Bearing:

Rear wheel bearings can sometimes develop noise or wear prematurely.

📚 Vehicle History

Citroen Heritage:

Citroën, a French manufacturer known for innovative and often quirky vehicles, with a history dating back to 1919.

Development Partnership:

Developed in collaboration with Toyota Motor Corporation, sharing its platform and powertrains with the Toyota Aygo and Peugeot 107.

Launch Year:

2005

Facelifts:

Minor updates occurred during its lifecycle, including styling and equipment changes, but no major facelift for the 2006 model year itself.

Manufacturing Plant:

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

Production Years:

2005 - 2014

🏆 Awards & Recognition

Eu Car Of The Year Nomination:

The C1 platform (along with Aygo and 107) was recognized for its innovative shared development, contributing to cost savings and efficiency.

Reliability Surveys:

Generally rated as average to good in various reliability surveys, with common issues often relating to wear-and-tear rather than major systemic faults. However, the 2-Tronic gearbox can be a point of concern.

Emissions Standards:

Meets Euro IV emissions standards for both petrol and diesel variants.