Segment:
Mid-size Luxury SUV
Target Audience:
Owners seeking in-depth knowledge for DIY maintenance and repairs, professional mechanics, and Jeep enthusiasts.
Competitors 1987-2000:
Ford Explorer, Chevrolet Blazer/TrailBlazer, Toyota 4Runner, Nissan Pathfinder, Dodge Durango.
Unique Selling Points Vehicle:
Renowned Jeep off-road capability, comfortable ride for its class, availability of a robust V8 engine, luxurious interior appointments for the era.
Unique Selling Points Manual:
Authoritative source mirroring dealer information, comprehensive coverage of two major engine options and multiple drivetrain configurations, detailed diagnostic procedures for complex systems.
Regions Covered:
North America (primarily)
Estimated Page Count:
~2500+
Type:
Factory Service Manual (FSM)
Format:
Digital (PDF) / Print (likely)
File Format Quality:
High-resolution, searchable PDF with clear diagrams and text.
Print Quality:
Professionally printed on durable paper (if physical version).
Binding Type:
Perfect bound or spiral bound for lay-flat usability (if physical version).
Paper Type:
High-quality, matte finish paper to minimize glare (if physical version).
Powertrain:
Engine (4.0L I6, 4.7L V8), Transmission (42RE, 45RFE/545RFE), Transfer Case (NV231, NV247), Differentials (Front & Rear Axles)
Chassis:
Suspension (Front & Rear), Steering System, Brakes (Front & Rear), Driveline (Driveshafts, CV Joints)
Electrical:
Engine Control Module (ECM), Powertrain Control Module (PCM), Body Control Module (BCM), Lighting, Instrumentation, Audio System, Power Accessories (Windows, Locks, Seats), HVAC Controls, ABS/Traction Control Systems, Airbag Systems
Body:
Body & Trim, Doors, Hood, Tailgate, Bumpers, Glass, Upholstery, Exterior & Interior Components
Maintenance:
Oil Changes, Filter Replacements, Fluid Checks & Top-offs, Tire Rotation, Brake Pad Replacement, Spark Plug Service, Battery Service
Repair:
Engine Component Rebuilds, Transmission Overhaul, Suspension & Steering Component Replacement, Brake System Repairs, Electrical Component Diagnosis & Replacement, Body Panel Repair & Replacement
Diagnostics:
Troubleshooting Flowcharts, Diagnostic Trouble Codes (DTCs), Wiring Diagrams, Component Testing Procedures, Scan Tool Data Interpretation
Depth:
Comprehensive: Covers basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures and specifications.
Wiring Diagrams:
Included (detailed schematics for all major systems)
Engine 1 Variant:
4.0L Inline-6 (242 ci) 'Power Tech'
Engine 1 Horsepower Approx:
185-195 hp (varies slightly by year)
Engine 1 Torque Approx:
220-235 lb-ft (varies slightly by year)
Engine 2 Variant:
4.7L V8 'Power Tech'
Engine 2 Horsepower Approx:
220-235 hp (varies slightly by year)
Engine 2 Torque Approx:
290-325 lb-ft (varies slightly by year)
Engine Management:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline
Fuel Tank Capacity Gallons:
20.5
Coolant Type Spec:
Mopar Antifreeze/Coolant 10 Year/100,000 Mile Formula (or equivalent HOAT)
Transmission Type Standard:
4-Speed Automatic (42RE for 4.0L I6, 45RFE/545RFE for 4.7L V8)
Transmission Type Optional:
None (manual transmission not offered on WJ Grand Cherokee)
Transmission Fluid Spec 42Re:
ATF+3 (Chrysler Material Standard MS-9602)
Transmission Fluid Spec 45Rfe 545Rfe:
ATF+4 (Chrysler Material Standard MS-9602)
Transfer Case Options:
Selec-Trac (NV231 J) - Full-time 4WD, Quadra-Drive (NV247) - Full-time 4WD with electronic limited-slip differentials (LSD)
NHTSA Rollover Resistance Rating:
4/5 Star (model dependent)
ABS:
Standard (4-wheel disc brakes with ABS)
Traction Control:
Available/Optional (especially with Quadra-Drive)
Airbags Front:
Standard (Driver and Passenger)
Airbags Side:
Available/Optional (Side Curtain Airbags, depending on trim/year)
Audio System Options:
AM/FM Cassette/CD Player, Premium Infinity Gold Sound System (optional)
Navigation:
Available (early factory navigation systems)
Parking Sensors:
Not typically available on these models.
Aux Input:
Not typically available; aftermarket solutions common.
Oil Change Interval Miles:
3,000-7,500 miles (depending on oil type and driving conditions - consult manual for specifics)
Transmission Fluid Change Interval Miles:
30,000-60,000 miles (depending on driving conditions - consult manual for specifics)
Coolant Flush Interval Miles:
30,000-60,000 miles or 2-5 years
Engine Oil Spec 4.0L:
API Certified SAE 5W-30 (or 10W-30 in warmer climates)
Engine Oil Spec 4.7L:
API Certified SAE 5W-30
Power Steering Fluid Spec:
Chrysler Power Steering Fluid (MS-5931) or equivalent
Common Issues 4.0L:
Cracked cylinder heads (later model heads are better), oil filter adapter housing leaks, starter motor issues.
Common Issues 4.7L:
Cooling system failures (water pump, radiator, hoses), intake manifold gasket leaks, valve guide wear.
Common Issues Drivetrain:
Transfer case chain stretch (NV247), driveshaft U-joint wear, differential seal leaks.
Common Issues Electrical:
Instrument cluster failures (especially odometer), HVAC blower motor resistor failure, various sensor failures (e.g., crankshaft position).
Jeep Legacy:
Jeep has a storied history of producing rugged, capable off-road vehicles dating back to World War II.
Wj Introduction:
The WJ Grand Cherokee replaced the ZJ Grand Cherokee and was introduced for the 1999 model year. It featured a significant redesign with improved aerodynamics, a more refined interior, and enhanced on-road manners while retaining Jeep's off-road prowess.
Wj Facelift:
A mild facelift occurred for the 2002 model year, which included revised front and rear fascia, updated interior trim, and engine enhancements for the 4.7L V8.
Manufacturing Locations:
Detroit, Michigan, USA (Jefferson North Assembly Plant)
