A comprehensive resource for Jeep Grand Cherokee WJ owners and independent repair professionals seeking factory-level information.
Target Audience:
DIY enthusiasts, independent mechanics, fleet maintenance, Jeep owners who value detailed technical information.
Competitive Analysis
Value Proposition:
Offers the depth and accuracy of official dealership service manuals at a more accessible price point. Emphasizes completeness to avoid the pitfalls of incomplete or generic guides.
Key Features
Completeness:
Promised to be a 'COMPLETE SERVICE REPAIR MANUAL', implying full coverage of all vehicle systems and repair procedures.
Format Advantage:
Digital format allows for easy searching, printing of specific sections, and storage.
Quality Assurance:
Marketing emphasizes quality ('BEST manuals on Tradebit, buy with confidence') and avoiding 'incomplete cheap versions'.
Manual transmission was largely discontinued for the Grand Cherokee by this generation, but manual transmission repair might be covered if offered in specific niche markets or early production.
Features
Drive System:
Part-time Command-Trac, Full-time Selec-Trac, or Full-time Quadra-Drive II (depending on trim and options)
Transmission Fluid Spec Auto 42Re 45Rfe:
ATF+3 or ATF+4 (refer to manual for exact specification)
Transmission Fluid Spec Auto 545Rfe:
ATF+4 (refer to manual for exact specification)
📐 Dimensions
Exterior
Wheelbase:
116.0 inches (2946 mm)
Length:
184.5 inches (4686 mm)
Width:
73.5 inches (1867 mm)
Height:
67.9 inches (1725 mm)
Weights
Curb Weight Est:
4,100 - 4,500 lbs (1860 - 2040 kg)
Gross Vehicle Weight Rating Gvwr Est:
5,600 - 6,000 lbs (2540 - 2722 kg)
🛡️ Safety Features
Ratings
NHTSA Front Driver Side Impact Rating:
4-star (1999 model year)
NHTSA Front Passenger Side Impact Rating:
4-star (1999 model year)
Active Features
ABS:
Standard (4-wheel disc brakes with ABS)
Traction Control:
Available on some models
Passive Features
Airbags Front:
Driver and passenger front airbags
Seatbelts:
3-point seatbelts with pretensioners
Child Safety Anchors:
LATCH system (may not be standard on all early 1999 models, check specifics)
💡 Technology Features
Infotainment
Audio System:
Factory AM/FM stereo with CD player, optional premium audio systems with amplifiers and subwoofers.
Navigation:
Optional factory navigation system available on some higher trims.
Driver Assistance
Cruise Control:
Standard
Parking Assistance:
Rear parking sensors available on later models or as an option.
Connectivity
Phone Integration:
No factory integrated Bluetooth or smartphone mirroring in the traditional sense for this era. Aftermarket solutions are common.
Keyless Entry:
Available with remote keyless entry fob.
🔧 Maintenance
Service Intervals
Oil Change Interval Est:
Every 3,000 - 7,500 miles (5,000 - 12,000 km) or 6-12 months, depending on driving conditions and oil type. Refer to manual for exact recommendation.
Tire Rotation Interval Est:
Every 5,000 - 7,500 miles (8,000 - 12,000 km)
Transmission Fluid Change Interval Est:
Every 30,000 - 100,000 miles (48,000 - 160,000 km), depending on use and fluid type. Crucial to follow manual. Heavy towing or off-road use warrants more frequent changes.
Coolant Change Interval Est:
Every 30,000 - 100,000 miles (48,000 - 160,000 km), depending on coolant type (conventional vs. extended life).
Fluid Specifications
Engine Oil Type 4.0L I6 Est:
SAE 10W-30 (check manual for viscosity grade under different temperature conditions)
Engine Oil Type 4.7L V8 Est:
SAE 5W-30 or 5W-40 (check manual for viscosity grade)
Coolant Type:
Mopar Antifreeze/Coolant (Green, for conventional) or Mopar HOAT Antifreeze/Coolant (Orange, for extended life, check compatibility)
Power Steering Fluid:
ATF+3 or ATF+4 (refer to manual for specific type)
Known Issues
Engine 4.0L I6:
Cracked cylinder heads (though less common on later 4.0L versions), oil filter adapter O-ring leaks, intake manifold gasket leaks.
Engine 4.7L V8:
Head gasket failures (especially early models), oil sludge buildup if maintenance is neglected, water pump failures, intake manifold gasket leaks.
Worn ball joints, tie rod ends, and control arm bushings leading to steering wander and uneven tire wear.
Electrical:
Power window motor failures, HVAC blower motor failures, dashboard warning light intermittency, PCM failures.
Body Exterior:
Tailgate actuator issues, rust on rocker panels and rear quarter panels, clear coat peeling.
📚 Vehicle History
Brand Heritage
Brand Origin:
Jeep, an iconic American brand, has a history rooted in rugged, off-road capable vehicles dating back to WWII.
Model Evolution
Grand Cherokee Introduction:
The Grand Cherokee was introduced in 1993 as a more luxurious and comfortable SUV compared to the Cherokee (XJ).
Wj Generation Introduction:
The WJ generation replaced the ZJ Grand Cherokee and was produced from 1999 to 2004. It featured a significant redesign with a more aerodynamic and refined exterior and interior.
Wj Key Updates:
Introduction of the 4.7L V8 engine, improved Quadra-Drive 4WD system, updated interior and exterior styling, enhanced safety features.
Production
Production Locations:
Detroit, Michigan, USA (Jefferson North Assembly Plant)
🏆 Awards & Recognition
Recognitions
4X4 Of The Year:
The Grand Cherokee, particularly with its advanced 4WD systems like Quadra-Drive, often received accolades in the off-road and 4x4 communities during its production years.
Ratings
Consumer Reports Reliability Rating:
Reliability ratings varied by model year and specific component. The manual would be essential for proactive maintenance to ensure reliability.
Certifications
Manual Certification:
While the manual itself isn't certified, it is presented as a direct equivalent to factory service manuals, which are the industry standard for repair and maintenance documentation.
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