This comprehensive factory service manual is your ultimate guide to repairing and maintaining your Chevrolet Silverado or GMC Sierra, covering models from 1998 to 2006. It provides detailed instructions and specifications for every imaginable service and repair, from routine maintenance like oil changes to complex procedures like transmission rebuilds. This invaluable resource covers every aspect of your vehicle, including the engine mechanical and electrical systems, emission control system, fuel system, clutch system, manual and automatic transaxles, driveshaft and axle, suspension, steering, restraint systems, brakes, body (interior and exterior), body electrical system, and heating, ventilation, and air conditioning systems. With this manual, you'll have the same technical information used by professional technicians at your local dealer, empowering you to confidently tackle any repair or maintenance task on your Silverado or Sierra.

The Chevrolet Silverado and GMC Sierra, produced from 1998 to 2006, represent a significant era in the history of full-size pickup trucks. These trucks were renowned for their rugged durability, spacious cabins, and powerful engine options. Built upon the GMT800 platform, they offered a wide array of configurations, from basic workhorses to luxurious crew cab variants. The Silverado and Sierra were available in various trim levels, including the base work truck (WT), the popular LS, and the upscale LT and SLE, catering to a broad spectrum of customer needs. Engine choices ranged from the robust Vortec 4.3L V6 to the powerful Vortec 6.0L and 8.1L V8s, providing ample power for towing, hauling, and off-road adventures. Underpinning their ruggedness was a solid rear axle suspension and a robust frame, ensuring longevity and dependable performance. The 1998-2006 Silverado and Sierra were technologically advanced for their time, featuring key safety features like anti-lock brakes, airbags, and optional traction control. Interior comfort and convenience were highlighted by features like power windows, locks, and mirrors, as well as available climate control systems. The trucks also showcased a range of optional amenities, including premium audio systems, leather upholstery, and navigation systems. While the design remained relatively consistent throughout the production run, subtle updates were introduced over the years, including revised front and rear styling, updated interiors, and new engine options. The Silverado and Sierra played a pivotal role in defining the modern full-size truck, offering a blend of performance, functionality, and comfort, making them popular choices for both work and leisure applications.