This comprehensive 2005 Buick Century Service and Repair Manual covers all models and repairs from A to Z. It is the same manual used by technicians at dealerships to maintain, service, diagnose, and repair your vehicle. The manual provides complete step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications, enabling you to repair your vehicle with ease. It includes detailed information on all aspects of your Buick Century, including: * **Maintenance:** Learn how to perform routine maintenance tasks such as oil changes, filter replacements, and fluid checks. * **Engine:** Gain insights into the engine's operation, including repair and troubleshooting procedures for components like the cylinder head, pistons, valves, and crankshaft. * **Control System:** Understand the workings of the engine control system, including sensors, actuators, and diagnostic trouble codes. * **Mechanical:** Dive into the mechanical aspects of your Buick Century, including the transmission, suspension, brakes, steering, and drivetrain. * **Fuel Service Specifications:** Find information on fuel systems, including fuel injectors, fuel lines, and fuel pumps. * **Emission Control:** Learn about the emission control system and how to diagnose and repair any issues. * **Intake Exhaust Cooling:** Understand the intake and exhaust systems, including manifolds, pipes, and cooling components. * **Lube:** Get guidance on lubrication systems and proper lubrication procedures for different components. * **Ignition Starting Charging:** Explore the ignition system, starting system, and charging system, including components and troubleshooting procedures. * **Auto Transmission Clutch:** Learn about the workings of your automatic transmission, including clutches, gears, and fluid levels. * **Manual Transmission:** Gain knowledge of manual transmissions, including components, shifting mechanisms, and troubleshooting. * **Transfer Propeller Shaft:** Understand the transfer case and propeller shaft, including how they work and how to repair them. * **Drive Shaft:** Learn about drive shafts and their components, including repair and replacement guidance. * **Differential:** Explore the differential system, including types of differentials, repair procedures, and adjustments. * **Axle Suspension:** Understand the axle and suspension systems, including components, repair procedures, and alignment. * **Tire & Wheel:** Learn about tires and wheels, including sizes, maintenance, and repair. * **Brake Control:** Gain knowledge of brake control systems, including ABS and electronic brake force distribution. * **Brake:** Explore the brake system, including components, repair procedures, and adjustments. * **Parking Brake:** Understand the parking brake system and its operation, including repair and adjustments. * **Steering Column:** Learn about the steering column, including components, repair procedures, and adjustments. * **Power Steering:** Explore the power steering system, including components, troubleshooting, and repair procedures. * **Air Condition:** Gain insights into the air conditioning system, including components, refrigerant levels, and repair procedures. * **Suppl Restraint System:** Learn about the supplemental restraint system, including airbags, seatbelt pretensioners, and sensors. * **Seat Belt:** Understand seatbelt systems, including components, adjustments, and repair procedures. * **Engine Immobilizer:** Learn about the engine immobilizer system and how it functions. * **Cruise Control:** Explore the cruise control system, including components, operation, and repair. * **Wiper & Washer:** Understand the windshield wiper and washer system, including components, maintenance, and repair. * **Door Lock:** Learn about door lock systems, including components, operation, and repair. * **Meter Audio/Visual:** Gain insights into the instrument cluster, including gauges, displays, and warning lights. * **Horn:** Understand the horn system, including components, operation, and troubleshooting. * **Windshield/Glass Mirror:** Learn about the windshield, glass windows, and mirrors, including repair and replacement procedures. * **Instrument Panel:** Explore the instrument panel, including components, adjustments, and repairs. * **Seat:** Understand the seat system, including components, adjustments, and repair. * **Engine Hood/ Door:** Learn about the engine hood and doors, including components, operation, and repair. * **Exterior & Interior:** Gain insights into the exterior and interior components, including trim, upholstery, and accessories. * **Electrical:** Explore the electrical system, including wiring diagrams, fuses, and relays. * **Multiplex/ Can Communication:** Understand multiplex and CAN communication systems, including components, operation, and troubleshooting. This manual empowers you to take control of your Buick Century's repairs and maintenance. Print the pages you need and take them with you to your garage or workshop.

The 2005 Buick Century, a mid-size sedan produced by General Motors, represented the final iteration of a nameplate that had been a staple in the Buick lineup for over 30 years. Unlike its predecessors, the 2005 model was built on the same platform as the Chevrolet Malibu and Pontiac Grand Am, showcasing a shift in Buick's strategy towards offering more affordable and mainstream vehicles. Designed with a focus on practicality and affordability, the Century aimed to attract a broad audience with its spacious interior, comfortable ride, and reliable powertrains. The 2005 model year saw the introduction of a new 3.5L V6 engine, replacing the previous 3.1L V6, offering a significant increase in horsepower and torque, contributing to a more satisfying driving experience. While the Century may have lacked the luxurious flair of some of its Buick brethren, it provided a compelling value proposition for budget-conscious consumers seeking a reliable and comfortable sedan. Inside, the 2005 Buick Century offered a spacious cabin with comfortable seating for five occupants. The interior design was simple and functional, with a focus on practicality rather than luxury. Features included a standard AM/FM stereo, air conditioning, and power windows and locks. The Century was available in several trim levels, with higher trims offering features such as leather upholstery, a sunroof, and a premium sound system. On the safety front, the 2005 Century came equipped with standard safety features such as anti-lock brakes, airbags, and a safety cage construction. While not the most dynamically exciting vehicle to drive, it was praised for its comfortable ride and confident handling. Despite its value-oriented nature, the 2005 Buick Century managed to retain a sense of Buick's traditional elegance and refinement, making it a solid choice for families and those seeking a spacious and reliable sedan.