The Alfa Romeo 166 Repair Service Manual provides comprehensive information for both car owners with basic mechanical skills and independent automotive service professionals. This manual covers every detail of the Alfa Romeo 166 model years 1999-2007, including engine service and overhauling, transmission, chassis, body, wiring, fuel system, emission control, induction, mechanical, control system, transmission and differentials, troubleshooting and diagnostics, steering and suspension, brakes, and ABS. It also includes full specifications and torque settings, as well as a complete guide to service work. This manual is a valuable resource for understanding the intricacies of the Alfa Romeo 166 and provides detailed instructions and diagrams for repair and maintenance procedures. With this manual, you can diagnose engine fault symptoms, research and evaluate the best approach to fixing vehicle problems, test suspected parts, trace and verify wiring diagrams, understand different engine management systems, and gain insight into common fixes. It also offers practical quick solutions for common problems like no-starts, hesitations, and stalling, as well as valuable tips to help you prevent small problems from escalating.

The Alfa Romeo 166 is an executive car that was produced by the Italian automaker Alfa Romeo from 1998 to 2007. It was the successor to the Alfa Romeo 164 and was positioned as a competitor to other premium sedans like the BMW 5 Series and Mercedes-Benz E-Class. The 166 was known for its distinctive styling, combining a classic Alfa Romeo design language with modern touches like sleek lines and a large grille. The car was available in both sedan and station wagon body styles, offering a range of engine options, including petrol and diesel units. The 166 offered a blend of luxury and performance. It featured a comfortable interior with high-quality materials and advanced features like leather upholstery, climate control, and a premium sound system. Under the hood, the 166 was powered by a range of engines, ranging from the 2.0-liter four-cylinder to the powerful 3.2-liter V6. The car was known for its agile handling and responsive performance, making it an enjoyable car to drive. Despite its strengths, the 166 faced challenges in the competitive premium car segment, particularly in terms of reliability and build quality, which were sometimes criticized by owners. Nevertheless, the 166 remains a stylish and iconic Alfa Romeo model, appreciated by enthusiasts for its unique character and driving experience.