Jeep Grand CHEROKEE WJ Factory Service Repair Manual 1999

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🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Generation: WJ Model Year Covered: 1999 Codes Chassis Code: WJ 👋 Introduction Market Position Segment: Mid-size Luxury SUV Key Competitors 1999:...

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Description

🏷️ Basic Information

Identification

Make:

Model:

Grand Cherokee

Generation:

Model Year Covered:

Codes

Chassis Code:

👋 Introduction

Market Position

Segment:

Mid-size Luxury SUV

Key Competitors 1999:

Ford Explorer, Toyota 4Runner, Chevrolet Blazer, Land Rover Discovery.

Competitive Analysis

Differentiation:

Jeep's iconic off-road capability, luxurious interior appointments, and powerful V8 engine options.

Key Features

Platform:

WJ platform, a significant redesign from the previous ZJ generation.

Body Style:

5-door SUV.

Powertrain Options:

Available in multiple engine and drivetrain configurations, including 4x4 systems.

📋 Manual Details

Coverage Areas

Manual Type:

Factory Service Repair Manual

Language:

English

Format:

Digital (PDF)

Page Count

Estimated Page Count:

1500+

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Complete overhaul, diagnosis, and repair of all engine variants.

Engine Electrical:

Ignition system, fuel injection, sensors, actuators, ECU diagnosis, wiring diagrams.

Transmission:

Service, repair, and overhaul procedures for automatic transmission (e.g., 42RE, 45RFE).

Drivetrain:

Front and rear differentials, transfer case (e.g., NV242, NV247), driveshafts, U-joints.

Suspension:

Front and rear suspension components, alignment specifications, shock absorbers, springs.

Steering:

Power steering system, steering gearbox, tie rods, linkages.

Brakes:

Hydraulic system, ABS, brake rotors, pads, calipers, parking brake.

Electrical Body:

Interior and exterior lighting, power windows, locks, mirrors, climate control, audio system.

Body And Chassis:

Body panel removal/installation, chassis lubrication, structural components.

HVAC:

Air conditioning, heating, ventilation system diagnosis and repair.

Diagnostics:

Troubleshooting charts, DTC (Diagnostic Trouble Code) definitions, diagnostic procedures.

Procedures Included

Maintenance:

Regular scheduled maintenance, fluid changes, filter replacements, lubrication.

Assembly Disassembly:

Step-by-step instructions for component removal and installation.

Repair:

Detailed repair procedures for all major vehicle systems.

Troubleshooting:

Systematic diagnostic approaches for identifying and resolving common and complex issues.

Wiring Diagrams:

Comprehensive electrical wiring schematics for all vehicle systems.

Specifications:

Torque values, clearances, fluid capacities, and other critical specifications.

Technical Depth

Depth:

Comprehensive, factory-level detail suitable for professional technicians and advanced DIY enthusiasts. Covers everything from basic maintenance to complete engine and transmission rebuilds.

📊 Manual Specifications

File Format

Digital Format:

Searchable:

Yes, text-searchable PDF for quick information retrieval.

Printable:

Yes, designed for printing specific sections or the entire manual.

Print Quality

Illustrations:

High-resolution diagrams and illustrations.

Text Clarity:

Clear and legible text.

Binding Type

Digital Binding:

N/A (Digital)

Paper Type

Digital Paper:

N/A (Digital)

⚙️ Engine Specifications

Primary Engine

Engine 1 Displacement:

4.0L (3956cc)

Engine 1 Cylinders:

Inline-6 (I6)

Engine 1 Engine Code:

Engine 1 Horsepower:

185 hp @ 4600 rpm

Engine 1 Torque:

220 lb-ft @ 3000 rpm

Engine 1 Fuel System:

Multi-Point Fuel Injection (MPFI)

Engine 1 Block Material:

Cast Iron

Engine 1 Head Material:

Aluminum

Optional Engine

Engine 2 Displacement:

4.7L (4701cc)

Engine 2 Cylinders:

Engine 2 Engine Code:

Engine 2 Horsepower:

235 hp @ 4500 rpm

Engine 2 Torque:

295 lb-ft @ 3200 rpm

Engine 2 Fuel System:

Multi-Point Fuel Injection (MPFI)

Engine 2 Block Material:

Aluminum

Engine 2 Head Material:

Aluminum

🔧 Transmission

Standard

Transmission Type 4.0L:

4-speed Automatic (42RE)

Optional

Transmission Type 4.7L:

4-speed Automatic (45RFE)

Features

Transfer Case Options:

Selec-Trac (NV242) or Quadra-Drive (NV247) full-time 4WD systems.

Transmission Fluid 42Re:

ATF+4 (Chrysler MS-9602)

Transmission Fluid 45Rfe:

ATF+4 (Chrysler MS-9602)

📐 Dimensions

Exterior

Length:

185.5 in (4712 mm)

Width:

73.3 in (1862 mm)

Height:

67.8 in (1722 mm)

Wheelbase:

109.0 in (2769 mm)

Weights

Curb Weight 4.0L 4X2:

Approx. 4260 lbs (1932 kg)

Curb Weight 4.7L 4X4:

Approx. 4650 lbs (2109 kg)

Towing Capacity:

Up to 5000 lbs (2268 kg) with optional tow package.

🛡️ Safety Features

Ratings

NHTSA Front Driver Side Impact:

5-star (1999 models)

NHTSA Front Passenger Side Impact:

5-star (1999 models)

Active Features

Standard 4-wheel Anti-lock Braking System (ABS).

Traction Control:

Available on some models, often integrated with 4WD systems.

Passive Features

Airbags:

Driver and front passenger airbags.

Seatbelts:

Front and rear seat belts, driver side pretensioner.

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM/CD player, optional Infinity Gold premium audio system.

Navigation:

Optional factory navigation system (rare for 1999).

Driver Assistance

Cruise Control:

Standard on most trims.

Rear Parking Assist:

Optional on some higher trims.

Connectivity

Telematics:

Uconnect system not available in 1999. OnStar integration may have been an early option or dealer add-on.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,000-5,000 miles (5,000-8,000 km) or 3-6 months, depending on driving conditions (refer to manual for specifics).

Engine Coolant Flush:

Every 30,000 miles (48,000 km) or 2 years.

Transmission Fluid Change:

Every 30,000-60,000 miles (48,000-96,000 km), depending on usage (refer to manual).

Fluid Specifications

Engine Oil 4.0L:

SAE 5W-30 (API Certified)

Engine Oil 4.7L:

SAE 5W-30 (API Certified)

Coolant:

Mopar OAT (Organic Additive Technology) Antifreeze/Coolant (or equivalent meeting Chrysler MS-9769).

Brake Fluid:

DOT 3

Known Issues

Common Issue 1:

Cracked cylinder heads on early 4.7L V8 engines (check for coolant loss and white smoke).

Common Issue 2:

Water pump leaks and bearing failure on the 4.0L engine.

Common Issue 3:

Service air suspension issues (if equipped).

Common Issue 4:

Vibration issues at speed, often related to driveshaft balance or U-joints.

Common Issue 5:

Interior trim component wear and creaking.

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Jeep has a long-standing reputation for off-road capability and ruggedness dating back to WWII.

Model Evolution

Wj Introduction:

The WJ generation replaced the ZJ Grand Cherokee in 1999, introducing a completely new body, interior, and enhanced drivetrain options.

Design Philosophy Wj:

Focused on a more refined and comfortable ride, improved aerodynamics, and higher quality interior materials compared to its predecessor.

Production

Manufacturing Location:

Detroit, Michigan, USA.

🏆 Awards & Recognition

Recognitions

Motor Trend SUV Of The Year:

While not specifically for the 1999 model, the Grand Cherokee (WJ) platform received praise for its refinement and capability.

Ratings

Consumer Reports Reliability:

Mixed to average reliability ratings for early WJ models, with specific common issues noted (refer to maintenance section).