The 2002 Jeep Grand Cherokee, designated by the chassis code WJ, represents a significant evolution in the mid-size luxury SUV segment. Building on Jeep's renowned off-road heritage, this model seamlessly blends robust capability with enhanced on-road comfort and refinement, a testament to its updated unibody construction and sophisticated design. Available with either the dependable 4.0L Inline-6 engine or the more powerful 4.7L V8 'PowerTech' engine, and equipped with advanced four-wheel-drive systems, the Grand Cherokee is engineered for both daily driving and adventurous pursuits, offering a compelling package of performance, versatility, and enduring Jeep quality.

This comprehensive Factory Service Manual provides in-depth guidance for the maintenance, diagnosis, and repair of your 2002 Jeep Grand Cherokee WJ. It covers all major vehicle systems, including the powertrain, drivetrain, chassis, body, and electrical systems, with detailed procedures for routine maintenance, troubleshooting common issues, and complex component overhauls. With expert-level technical information, precise specifications, torque values, and clear diagrams, this manual is an essential resource for owners, technicians, and mechanics seeking to ensure the optimal performance, reliability, and longevity of their vehicle.