The 2002 Buick LeSabre Service and Repair Manual provides comprehensive, step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications to help you maintain, service, diagnose, and repair your vehicle. This is not a generic repair manual; it is specifically tailored for the 2002 Buick LeSabre, covering all models and repairs. It is the same manual used by technicians at Buick dealerships, ensuring accurate and reliable information.

The manual covers a wide range of topics, including:

* **Maintenance:** Routine maintenance schedules, fluid checks, and replacement procedures.
* **Engine:** Detailed information on engine components, operation, troubleshooting, and repair.
* **Control System:** Diagnostics and repair for engine control systems, sensors, and actuators.
* **Mechanical:** Covers the mechanical aspects of the vehicle, including the transmission, drivetrain, suspension, and brakes.
* **Fuel Service Specifications:** Information on fuel systems, injectors, and fuel lines.
* **Emission Control:** Details on emission control systems, catalytic converter, and related components.
* **Intake Exhaust Cooling:** Explanations of intake and exhaust systems, cooling systems, and related components.
* **Lube:** Guidance on lubrication systems, oils, and greases.
* **Ignition Starting Charging:** Information on the ignition system, starting system, and charging system.
* **Auto Transmission Clutch:** Explanations and repair procedures for automatic transmissions and clutches.
* **Manual Transmission:** Information and repair guidance for manual transmissions.
* **Transfer Propeller Shaft:** Information on the transfer case and propeller shaft.
* **Drive Shaft:** Details on drive shafts and related components.
* **Differential:** Explanations and repair procedures for differentials.
* **Axle Suspension:** Information on axles, suspension components, and related systems.
* **Tire & Wheel:** Information on tires, wheels, and wheel alignment.
* **Brake Control:** Diagnostics and repair for brake control systems.
* **Brake:** Detailed information on brake components, operation, and repair.
* **Parking Brake:** Information and repair procedures for parking brakes.
* **Steering Column:** Explanations and repair procedures for the steering column.
* **Power Steering:** Information and repair procedures for power steering systems.
* **Air Condition:** Diagnostics and repair for air conditioning systems.
* **Suppl Restraint System:** Information on supplemental restraint systems (airbags) and related components.
* **Seat Belt:** Information and repair procedures for seat belts.
* **Engine Immobilizer:** Explanations and troubleshooting for engine immobilizer systems.
* **Cruise Control:** Diagnostics and repair for cruise control systems.
* **Wiper & Washer:** Information on wiper and washer systems.
* **Door Lock:** Explanations and repair procedures for door locks.
* **Meter Audio/Visual:** Information on instrument gauges, audio systems, and visual displays.
* **Horn:** Diagnostics and repair for horn systems.
* **Windshield/Glass Mirror:** Information on windshield, glass, and mirrors.
* **Instrument Panel:** Explanations and repair procedures for the instrument panel.
* **Seat:** Information on seats, adjustments, and related components.
* **Engine Hood/ Door:** Information on engine hood and doors.
* **Exterior & Interior:** Information on exterior and interior features, trim, and appearance.
* **Electrical:** Detailed information on electrical systems, wiring, and components.
* **Multiplex/ Can Communication:** Explanations and troubleshooting for multiplex and CAN communication systems.

This comprehensive manual empowers you to confidently diagnose and repair your 2002 Buick LeSabre, saving you time and money on professional repairs.

The 2002 Buick LeSabre is a full-size sedan that embodies the classic American luxury car. Introduced in 1999, the fourth generation LeSabre marked a departure from the previous generation, adopting a more modern and aerodynamic design. It featured a larger and more spacious interior, offering comfortable seating for five passengers. While known for its refined and luxurious nature, the LeSabre also offered a practical side with ample cargo space, making it suitable for both family outings and daily commutes. The 2002 model year saw only minimal changes from the previous year, with the primary focus being on enhancing reliability and improving fuel efficiency.

Under the hood, the 2002 LeSabre was powered by a 3.8L V6 engine, known for its smooth and quiet operation. This engine provided adequate power for everyday driving, while the available 3.8L supercharged V6 option delivered a more spirited driving experience. The LeSabre's front-wheel-drive configuration ensured competent handling and traction in various weather conditions. While the LeSabre wasn't known for its sporty performance, it provided a comfortable and composed ride, thanks to its refined suspension system. The interior featured a blend of comfort and luxury, with plush seating, woodgrain accents, and a well-equipped dashboard. The 2002 LeSabre offered a range of standard features like power windows and locks, air conditioning, and an AM/FM stereo system. Optional features included leather upholstery, a sunroof, and a premium sound system, allowing buyers to customize their LeSabre to their preferences.