This comprehensive service repair manual covers the 2003 Jeep Grand Cherokee WJ and WG models equipped with a diesel engine. It provides detailed instructions and diagrams for virtually every repair procedure, encompassing body, chassis, and electrical systems. You'll find comprehensive wiring diagrams to aid in troubleshooting and repair. This manual is a must-have for any owner or mechanic seeking in-depth information for maintaining and repairing these vehicles.

The 2003 Jeep Grand Cherokee WJ WG diesel, affectionately known as the "WJ," is a robust and capable SUV that continues to capture the hearts of off-road enthusiasts and daily drivers alike. This generation of the Grand Cherokee, produced from 1999 to 2004, offered a blend of ruggedness and comfort, making it a popular choice for families and adventurers. The WJ WG diesel, specifically, is powered by a 2.7-liter Mercedes-Benz OM662 diesel engine, known for its impressive torque and fuel efficiency. This engine, coupled with the Jeep's four-wheel drive system and high ground clearance, allows it to tackle challenging terrain with ease. Despite its age, the WJ remains a capable and reliable vehicle, making it an excellent choice for those seeking a durable and versatile SUV. The 2003 Jeep Grand Cherokee WJ WG diesel boasts a timeless design that exudes strength and sophistication. The exterior features classic Jeep cues, including a distinctive seven-slot grille, squared-off headlights, and a robust body-on-frame construction. Inside, the cabin offers a comfortable and practical environment, with durable materials and ample cargo space. The WJ is known for its spacious interior, which comfortably accommodates up to five passengers. Although technology has advanced significantly since 2003, the WJ's simplicity and reliability are particularly attractive for those seeking a vehicle with a proven track record. Its well-designed mechanics and readily available aftermarket parts contribute to its longevity and ease of maintenance. Beyond its practical appeal, the WJ's classic charm continues to resonate with enthusiasts, making it a popular choice for restoration and customization.