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Introduction
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Market Position
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Market Position:
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Mid-size luxury SUV, positioned as a capable off-roader with comfortable on-road manners, competing with vehicles like the Ford Explorer, Toyota 4Runner, and Chevrolet Blazer.
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Competitive Analysis
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Competitive Analysis:
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The WJ Grand Cherokee offered a more refined interior and ride quality compared to many contemporaries, while retaining Jeep's signature 4x4 capability. Its available V8 engines provided strong performance.
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Key Features
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Key Features:
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Unibody construction (Quadra-Coil suspension), available Quadra-Drive 4WD system, powerful V8 engine options, spacious and comfortable interior, robust off-road credentials.
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Manual Details
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Coverage Areas
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Coverage Areas:
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Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, HVAC, Body, Emissions, Diagnostics, Troubleshooting, Maintenance
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Page Count
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Page Count:
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Estimated 3000+ pages (typical for comprehensive workshop manuals of this era)
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Manual Type
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Manual Type:
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Service Repair Workshop Manual
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Manual Type Detail:
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Factory-authorized workshop manual, providing the same information used by dealership technicians.
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Language
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Language:
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English
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Format
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Format:
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Digital Download (likely PDF)
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Manual Coverage
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Systems Covered
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Systems Covered:
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Engine mechanical, Engine control systems (ECU), Fuel system, Ignition system, Cooling system, Exhaust system, Automatic transmission (42RE, 45RFE/545RFE), Transfer case (NV242, NV247), Front axle (Dana 30), Rear axle (Dana 35, Dana 44), Suspension (front and rear), Steering system, Brake system (ABS, standard), Power steering, Climate control (HVAC), Lighting system, Instrumentation, Body electrical, Body repair, Wiring diagrams, Diagnostic trouble codes (DTCs)
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Procedures Included
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Procedures Included:
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Scheduled maintenance, Routine checks, Oil changes, Filter replacements, Brake pad/rotor replacement, Suspension component replacement (ball joints, tie rods, control arms), Steering component repair, Engine tune-up, Cooling system flush, Transmission fluid and filter change, Transfer case service, Axle service, Electrical troubleshooting, Component testing, Diagnostic procedures, Body panel repair, Interior trim removal/installation, Airbag system service (cautionary notes likely present)
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Technical Depth
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Technical Depth:
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Comprehensive (covering everything from basic maintenance to advanced diagnostics and component-level repairs, including torque specifications, clearances, diagnostic flowcharts, and wiring schematics)
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Wiring Diagrams
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Wiring Diagrams Coverage:
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Detailed electrical schematics for all major systems, including engine control, lighting, power accessories, ABS, and more, often color-coded for clarity.
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Diagnostic Troubleshooting
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Diagnostic Troubleshooting Methods:
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Step-by-step diagnostic flowcharts for common problems, explanations of diagnostic trouble codes (DTCs) with recommended inspection and repair procedures.
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Torque Specifications
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Torque Specifications Coverage:
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Precise torque values for all critical fasteners, including engine components, suspension parts, brake assemblies, and driveline components.
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Troubleshooting Charts
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Troubleshooting Charts Coverage:
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Diagnostic charts for various symptoms, guiding technicians through logical steps to identify the root cause of problems.
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Engine Specifications
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Primary Engine
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Primary Engine 1:
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4.0L Inline-6 'PowerTech' (MPI)
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Engine Code 1:
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ERH (for 4.0L)
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Displacement 1:
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3952 cc (241 cu in)
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Horsepower 1:
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190 hp @ 4600 rpm (approx.)
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Torque 1:
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235 lb-ft @ 3200 rpm (approx.)
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Optional Engine
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Optional Engine 1:
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4.7L V8 'PowerTech' (MPI)
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Engine Code 2:
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ENH (for 4.7L V8)
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Displacement 2:
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4701 cc (287 cu in)
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Horsepower 2:
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235 hp @ 4500 rpm (approx., later models 2003-2004 increased to 260 hp)
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Torque 2:
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295 lb-ft @ 3200 rpm (approx., later models 2003-2004 increased to 325 lb-ft)
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Fuel System
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Fuel System:
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Multi-Point Fuel Injection (MPI)
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Fuel Type
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Fuel Type:
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Unleaded Gasoline
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Cooling System
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Cooling System:
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Pressurized liquid cooling system
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Engine Layout
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Engine Layout:
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Inline-6 (4.0L) and V8 (4.7L)
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Valve Actuation
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Valve Actuation:
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Overhead Valve (OHV) for 4.0L I6, Overhead Valve (OHV) with 2 valves per cylinder for 4.7L V8 (later 4.7L had 3 valves per cylinder in other Chrysler products, but not typically in this Grand Cherokee generation).
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Transmission
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Standard Transmission
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Standard Transmission:
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42RE 4-speed Automatic (typically with 4.0L engine)
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Optional Transmission
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Optional Transmission 1:
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45RFE / 545RFE 4-speed Automatic (typically with 4.7L V8 engine, later models adopted the 545RFE)
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Transmission Features
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Transmission Features:
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Electronically controlled, overdrive, limp-in mode
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Transfer Case Standard
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Transfer Case Standard:
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Selec-Trac NV242 (full-time 2WD/4WD)
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Transfer Case Optional
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Transfer Case Optional:
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Quadra-Trac II NV247 (full-time 4WD with electronic 4WD and low range, standard on Limited/Overland trims)
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Transfer Case Optional Premium
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Transfer Case Optional Premium:
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Quadra-Drive (NV247 transfer case with front and rear Trac-Lok differentials)
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Dimensions
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Exterior Length
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Exterior Length:
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Approx. 181.5 inches (4610 mm)
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Exterior Width
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Exterior Width:
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Approx. 71.5 inches (1816 mm)
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Exterior Height
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Exterior Height:
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Approx. 64.5 inches (1638 mm)
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Wheelbase
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Wheelbase:
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Approx. 109 inches (2769 mm)
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Ground Clearance
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Ground Clearance:
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Approx. 8.4 inches (213 mm) (standard)
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Curb Weight
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Curb Weight:
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Approx. 4000-4500 lbs (1814-2041 kg) depending on configuration
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Towing Capacity
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Towing Capacity:
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Up to 5,000 lbs (2268 kg) with optional towing package
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Interior Seating Capacity
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Interior Seating Capacity:
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5 Passengers
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Cargo Volume Behind Rear Seat
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Cargo Volume Behind Rear Seat:
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Approx. 37.0 cubic feet (1048 liters)
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Cargo Volume With Rear Seat Folded
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Cargo Volume With Rear Seat Folded:
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Approx. 77.0 cubic feet (2180 liters)
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Safety Features
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Ratings
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NHTSA Front Impact Driver:
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4 Stars (for models tested)
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NHTSA Front Impact Passenger:
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4 Stars (for models tested)
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IIHS Side Impact:
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Good (for models tested)
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Active Features
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Active Features:
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Four-wheel disc brakes with ABS, Traction Control (optional on some models), Electronic Stability Control (available late models/trims)
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Passive Features
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Passive Features:
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Driver and front passenger airbags, front side-impact airbags (optional), Seatbelt pretensioners, Crumple zones
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Maintenance
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Service Intervals Oil
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Oil Change Interval:
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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 specifics).
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Service Intervals Filters
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Air Filter Replacement:
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Every 15,000-30,000 miles (24,000-48,000 km) or as needed based on conditions.
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Service Intervals Transmission
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Transmission Fluid Change:
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Every 30,000-60,000 miles (48,000-96,000 km) or as recommended by Jeep, particularly for severe usage.
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Fluid Specifications
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Engine Oil Spec:
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API SN/SP or equivalent, SAE 5W-30 recommended for most conditions (check manual for specific viscosity based on temperature range).
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Coolant Spec:
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Chrysler HOAT (Hybrid Organic Acid Technology) antifreeze/coolant, typically Mopar OAT or equivalent blue coolant.
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Transmission Fluid Spec 42Re:
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ATF+3 or ATF+4 (Chrysler specification)
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Transmission Fluid Spec 45Rfe 545Rfe:
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ATF+4 (Chrysler specification)
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Brake Fluid Spec:
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DOT 3
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Power Steering Fluid Spec:
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ATF+3 or ATF+4 (Chrysler specification)
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Known Issues
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Known Issues 1:
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Cracked cylinder heads on early 4.7L V8 engines (especially 1999-2001), Transmission cooler line leaks leading to transmission failure, Radiator failure (plastic tanks), Heater core leaks, Water pump leaks, Serpentine belt tensioner failure, Steering linkage wear (tie rods, ball joints), Front suspension sag (coil springs), Minor electrical gremlins (window regulators, power locks), Death Wobble (often related to worn steering/suspension components).
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Service Intervals Brakes
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Brake Fluid Flush Interval:
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Every 24,000-36,000 miles (38,000-58,000 km) or every 2-3 years.
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