This comprehensive Cadillac Seville SLS / STS Workshop Service Repair Manual provides detailed instructions and illustrations for servicing and repairing your vehicle. Covering all model years from 1998 to 2004, this manual offers an extensive collection of information for both novice and experienced mechanics. Dive into the intricacies of your Cadillac with detailed guides on engine overhaul and rebuilding, ensuring you can handle any engine-related repair. Master the complexities of braking systems, from routine maintenance to complete overhauls. Gain insights into sunroof operation and learn how to diagnose and repair any issues. This manual includes step-by-step instructions for replacing the timing belt, a crucial component for engine performance. Navigate the world of electrical systems with comprehensive wiring diagrams and troubleshooting guides. Unravel the mysteries of computer diagnostics and utilize the detailed trouble tree charts to pinpoint and resolve any electrical concerns. Master engine performance tuning and optimize your Cadillac's fuel efficiency and power output. This manual equips you to tackle a wide range of maintenance and repair tasks. Learn how to perform front end and alignment procedures, ensuring your vehicle handles smoothly and safely. Gain expertise in suspension system repair and maintenance, restoring the ride quality and handling characteristics of your Cadillac. Understand the complexities of transmission removal and installation, ensuring you can handle any transmission-related issues. Become proficient in servicing and maintaining your air conditioning system, keeping you cool and comfortable during hot weather. This manual is packed with information, including computer diagnostic codes, firing orders, and detailed specifications for every model covered. It also features factory maintenance schedules and charts, ensuring you can perform regular maintenance at the recommended intervals. Gain expertise on serpentine belt routing and learn the proper procedures for timing belt service. Master brake servicing procedures and learn how to diagnose and repair any brake-related issues. This manual guides you through addressing common driving concerns, ensuring you can confidently resolve any issues on the road. With complete torque specifications and detailed U-joint and CV-joint service procedures, this manual provides all the information you need for a comprehensive range of repairs. The included wiring diagrams, hundreds of illustrations, and vacuum diagrams offer a visual guide to help you understand and complete even the most complex repairs.

The Cadillac Seville SLS/STS, produced from 1998 to 2004, marked a significant evolution for the iconic luxury car brand. These models represented a departure from the traditional, boxy design of previous generations, embracing a more modern and streamlined aesthetic. The SLS, debuting in 1998, featured a sleek, coupe-like profile with a sloping roofline and a prominent grille. The STS, introduced in 2000, retained this design language but incorporated a sportier, more aggressive look with a lower stance and larger wheels. Both models offered a range of powerful engines, including a 3.0L V6 and a 4.6L Northstar V8, providing a blend of luxury and performance for the discerning driver. Inside, the Seville SLS/STS offered a luxurious and refined environment. Features like premium leather upholstery, wood trim, and advanced technology like climate control and navigation systems were standard. The interior design prioritize comfort and practicality, with spacious seating and a well-organized layout. The SLS/STS also boasted a comprehensive suite of safety features, including anti-lock brakes, traction control, and multiple airbags. These models were favored by drivers seeking a balance of luxury, performance, and technology, solidifying the Cadillac Seville's reputation as a sophisticated and desirable automobile.