The Citroën C4, first generation (Type AH/AM), produced from 2004 to 2010, is a compact family car known for its distinctive styling and emphasis on comfort and innovative features, building on Citroën's heritage in automotive engineering. Available as a hatchback or coupe, it offered a range of petrol and HDi diesel engines, from the 1.4L petrol to the 1.6L HDi diesel, with power outputs ranging from approximately 70 hp to 138 hp. Notable for its advanced suspension systems, aerodynamic design, and a 5-star Euro NCAP safety rating, the C4 was positioned as a comfortable and well-equipped alternative in its segment, competing with vehicles like the Volkswagen Golf and Ford Focus.

This comprehensive service and repair manual provides detailed guidance for the maintenance and repair of the Citroën C4. It covers a wide array of systems, including engine injection and ignition, clutch, gearbox, driveshafts, suspension, steering, brakes, and electrical systems, as well as air conditioning. The manual includes routine maintenance procedures, diagnostic troubleshooting flowcharts, repair procedures for major components, and specific adjustment guidelines. It is an essential resource for owners, mechanics, and technicians, offering technical specifications, wiring diagrams, and torque values necessary for effective vehicle upkeep and repair.