This comprehensive service repair manual provides detailed instructions and guidance for maintaining and repairing your CITROEN C4 1.6 16V HDi Engine Type 9HY, specifically for the 2005 model year. It covers a wide range of topics, ensuring you have the necessary information to address various maintenance and repair needs. The manual features detailed explanations of general information, periodic maintenance schedules, and in-depth breakdowns of various vehicle systems. You'll find sections on the engine, fuel system and throttle body, cooling and lubrication systems, chassis, electrical system, servicing information, emission control information, wiring diagrams, and more. This manual is designed to be user-friendly, with clear and concise language and high-quality diagrams. Whether you're a seasoned mechanic or a DIY enthusiast, this manual equips you with the knowledge and tools to perform repairs and maintenance confidently.

The Citroën C4 is a compact car produced by the French automaker Citroën from 2004 to 2018. The C4 replaced the Citroën Xsara and aimed to be a more stylish and modern offering in the competitive compact car segment. The 2005 C4 1.6 16V HDi with the 9HY engine is a particularly popular variant, known for its fuel efficiency and refined driving experience. This diesel engine offers a balance of power and economy, making it a popular choice for commuters and city drivers. The C4's design, with its distinctive "floating roof" and bold lines, contributed to its success in the market, setting it apart from its competitors. The 1.6 16V HDi engine in the 2005 C4 is a proven and reliable powerplant. It features common rail direct injection technology, providing precise fuel delivery for optimal performance and efficiency. The 16-valve design enhances combustion efficiency, while the turbocharger delivers a healthy dose of torque across the rev range. The engine is mated to a 5-speed manual transmission, offering a smooth and engaging driving experience. The C4 boasts a comfortable and well-equipped interior, with a focus on practicality and user-friendliness. The 9HY engine code signifies the specific configuration of the 1.6 HDi engine, offering a balance of performance and economy. The 2005 C4 1.6 16V HDi with 9HY engine remains a popular choice for those seeking reliable, fuel-efficient, and stylish transportation while offering a comfortable and practical experience. Its combination of performance and efficiency makes it a versatile car well suited for a variety of driving needs.