This comprehensive Factory Service Repair Manual (FSM) is specifically designed for the Jeep Grand Cherokee WJ model years 1999 through 2004. It provides detailed information and step-by-step instructions used by professional technicians at dealerships to diagnose, repair, and maintain your vehicle. From the engine and drivetrain to the chassis, electrical systems, and body components, this manual covers a wide range of topics, including: * **Lubrication and Maintenance:** Essential routines for keeping your Jeep Grand Cherokee running smoothly. * **Suspension:** In-depth coverage of the suspension systems, including struts, shocks, springs, and control arms. * **Differential and Driveline:** Diagnosis and repair information for the front and rear differentials, axles, and driveshafts. * **Brakes:** Detailed instructions for servicing and repairing the brake system, encompassing calipers, rotors, pads, and master cylinder. * **Clutch:** Troubleshooting and repair procedures for the clutch system. * **Cooling System:** Information on the radiator, hoses, thermostat, and other cooling system components. * **Battery, Starting, and Charging Systems:** Diagnosis and repair of the battery, starter, alternator, and related electrical components. * **Ignition System:** Maintaining and troubleshooting the ignition system, including spark plugs, wires, and distributor. * **Instrument Panel Systems:** Understanding and repairing the instrument cluster, gauges, and warning lights. * **Audio Systems:** Information on the vehicle's audio system, including troubleshooting and repair. * **Horn Systems:** Diagnosis and repair procedures for the vehicle's horn system. * **Speed Control System:** Troubleshooting and repair guidance for the cruise control system. * **Turn Signal and Hazard Warning Systems:** Repair and maintenance information for the turn signals and hazard lights. * **Wiper and Washer Systems:** Understanding and repairing the windshield wiper and washer system. * **Lamps:** Diagnosis and repair instructions for the vehicle's lighting system, including headlights, taillights, and interior lights. * **Passive Restraint Systems (Airbags):** Important information on the airbag system, including warnings and safety protocols. * **Electrically Heated Systems:** Maintenance and repair of heated seats, mirrors, and other electrical heating components. * **Power Distribution System:** Understanding the vehicle's electrical system and its components. * **Vehicle Theft/Security Systems:** Information on the vehicle's alarm system and anti-theft measures. * **Chime/Buzzer Warning Systems:** Troubleshooting and repair guidance for the vehicle's warning chimes and buzzers. * **Wiring Diagrams:** Comprehensive wiring diagrams for the entire vehicle, aiding in electrical troubleshooting. * **Engine:** Detailed information on the engine, including performance, maintenance, and repair procedures. * **Exhaust System:** Troubleshooting and repair instructions for the exhaust system, including the muffler, catalytic converter, and pipes. * **Frame and Bumpers:** Information on the vehicle's frame and bumpers, including repair and replacement procedures. * **Fuel System:** Diagnosis and repair of the fuel system, including the fuel tank, lines, pump, and injectors. * **Steering:** Understanding and repairing the steering system, including the steering wheel, rack and pinion, and power steering components. * **Transmission and Transfer Case:** Detailed information on the transmission and transfer case, including maintenance, repair, and troubleshooting. * **Tires and Wheels:** Information on tire and wheel specifications, maintenance, and repair. * **Body:** Comprehensive information on the vehicle's body, including panels, doors, and windows. * **Heating and Air Conditioning:** Diagnosis, repair, and maintenance of the heating and air conditioning system. * **Emission Control Systems:** Information on the vehicle's emissions control system, including the catalytic converter, oxygen sensors, and other components. * **Service Manual Comment Forms:** Forms for documenting repairs and maintenance procedures. This FSM will equip you with the tools and knowledge to tackle a wide array of repairs and maintenance tasks on your Jeep Grand Cherokee, saving you time and money.

The Jeep Grand Cherokee, produced from 1999 to 2004, marked the second generation of this iconic SUV, building upon the success of its predecessor and introducing a host of refinements and updates. This generation, known internally as the WJ, showcased a more refined and sophisticated design compared to its earlier counterpart. It boasted a more aerodynamic profile, a larger and more spacious interior, and a wider range of powertrain options. Under the hood, buyers could choose from a variety of engines, including the 4.0L inline-six, the 4.7L V8, and the potent 5.9L V8 for the high-performance SRT-8 model. The WJ also introduced a new independent front suspension for improved ride comfort and handling. Furthermore, it came equipped with innovative features like the Quadra-Drive four-wheel-drive system, which offered advanced traction control and off-road capabilities, and the optional Quadra-Lift air suspension, providing adjustable ride height for enhanced versatility. The 1999 to 2004 Jeep Grand Cherokee was praised for its comfortable ride, ample interior space, and impressive off-road performance. It solidified its position as a capable and versatile SUV, capable of handling everyday driving as well as challenging off-road adventures. A comprehensive Service Repair Manual (FSM) for this generation of Grand Cherokee offers invaluable guidance for owners and mechanics alike. The FSM provides detailed instructions, diagrams, and specifications for all aspects of the vehicle, from routine maintenance to complex repairs. It serves as an indispensable resource for ensuring the long-term health and reliability of this beloved Jeep model. Having access to the FSM empowers owners to perform their own maintenance and repairs, potentially saving money and gaining a deeper understanding of their vehicle.