🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Year:

1999

Generation:

WJ

Engine Variant:

3.1L Diesel (VM Motori VM425)

👋 Introduction

Positioning:

A capable and comfortable mid-size luxury SUV, known for its off-road prowess and premium interior.

Competitors:

Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery

Distinctive Features:

Available Quadra-Drive II 4WD system, luxurious interior appointments, refined ride quality for its class, robust off-road capability.

Diy Suitability:

Suitable for novice DIY mechanics due to step-by-step instructions and high-quality diagrams.

📋 Manual Details

Primary Focus:

Workshop Service and Repair

Estimated Pages:

1500+

Type:

Comprehensive Service/Repair Manual

Language:

English

Format:

PDF

File Format:

RAR Archive

📖 Manual Coverage

Powertrain:

Engine (3.1L Diesel), Fuel System, Exhaust System, Transmission (Automatic/Manual), Drivetrain (4WD/AWD)

Chassis:

Suspension (Front/Rear), Steering System, Brake System, Wheels and Tires

Electrical:

Body Electrical, Powertrain Control Modules, Lighting, Instrumentation, Audio System, HVAC Controls

Body:

Body Panels, Doors, Interior Trim, Glass, Exterior Trim, Bumpers

Maintenance:

Oil Changes, Filter Replacements, Fluid Checks and Top-offs, Belt Inspections and Replacements, Spark Plug/Glow Plug Replacement

Troubleshooting:

Diagnostic Trouble Codes (DTCs), Symptom-based Troubleshooting Guides, Electrical Circuit Diagnosis

Repair:

Engine Component Rebuilds (Head Gasket, Injectors, Turbocharger), Transmission Overhaul, Brake Caliper/Rotor Replacement, Suspension Component Replacement, Electrical Component Repair/Replacement

Diagnostics:

Detailed diagnostic procedures for all major systems, including powertrain, chassis, and electrical.

Depth:

Comprehensive; covers basic maintenance to complex component overhauls and electronic diagnostics.

📊 Manual Specifications

File Type:

PDF

Printability:

High-resolution, printable pages.

Binding:

N/A (Electronic Format)

Paper Type:

N/A (Electronic Format)

Navigation:

Interactive with easy subject/link navigation system.

Text Search:

Fully searchable text for quick information retrieval.

⚙️ Engine Specifications

Engine Code:

VM425

Engine Type:

Inline 4-Cylinder Turbocharged Diesel

Displacement:

3.1 Liters (189 cu in)

Bore X Stroke:

92 mm x 114 mm

Compression Ratio:

22.0:1

Horsepower:

140 hp @ 3800 rpm

Torque:

335 lb-ft @ 2000 rpm

Injection Type:

Direct Injection, Common Rail

Fuel Type:

Diesel

Turbocharger:

Variable Geometry Turbocharger (VGT)

Oil Capacity Liters:

7.0

Oil Capacity Quarts:

7.4

Recommended Oil Viscosity:

SAE 5W-30 Synthetic Diesel Engine Oil (API CG-4 or CH-4)

🔧 Transmission

Transmission Type:

4-Speed Automatic (NV242 Transfer Case common)

Transmission Type:

5-Speed Manual (Less Common on Diesel Models)

Drivetrain:

Part-time 4WD (Selec-Trac NV242) or Full-time 4WD (Quadra-Trac II NV247, Quadra-Drive NV247 w/ Vari-Lok)

Automatic Transmission Fluid Liters:

9.0

Automatic Transmission Fluid Type:

ATF+4 (Mopar Material Number 05013457AA or equivalent)

📐 Dimensions

Wheelbase Inches:

116.0

Length Inches:

184.6

Width Inches:

73.3

Height Inches:

67.4

Curb Weight Lbs:

4,518

Gross Vehicle Weight Rating Lbs:

6,000

🛡️ Safety Features

NHTSA Frontal Crash Test Driver:

★★★★

NHTSA Frontal Crash Test Passenger:

★★★★

IIHS Frontal Offset Score:

Good

Brakes:

4-wheel Anti-lock Braking System (ABS)

Airbags:

Driver and Front Passenger Airbags, Available Side Curtain Airbags (later models/packages)

Seatbelts:

Front and Rear Seatbelts with Pretensioners

💡 Technology Features

Audio System:

Available premium Infinity sound system, AM/FM CD Player, cassette player.

Navigation:

Optional factory navigation system.

Cruise Control:

Standard

Power Accessories:

Power windows, power locks, power mirrors, power seats (available).

🔧 Maintenance

Oil Change Interval Miles:

7,500 - 10,000 (Synthetic Diesel Oil)

Fuel Filter Replacement Miles:

15,000 - 20,000 (Diesel)

Transmission Fluid Change Miles:

60,000 - 100,000 (Depending on usage)

Coolant Type:

Chrysler/Mopar HOAT (Hybrid Organic Acid Technology) Antifreeze/Coolant, blue color

Power Steering Fluid Type:

Chrysler/Mopar Power Steering Fluid (Material Number 04286220AA or equivalent)

Brake Fluid Type:

DOT 3

Common Problems:

Cracked cylinder heads (especially earlier 3.1L diesel models), injector issues, EGR valve problems, cooling system leaks, power window regulator failures, front suspension component wear (ball joints, control arm bushings).

Diesel Specific Issues:

Glow plug system faults, turbocharger wastegate issues, fuel heater leaks.

📚 Vehicle History

Brand Origin:

Jeep's heritage is deeply rooted in rugged, go-anywhere vehicles, originating from military use in World War II.

Previous Generation:

Jeep Grand Cherokee ZJ (1993-1998)

Next Generation:

Jeep Grand Cherokee WK (2005-2010)

Production Start Year:

1998

Production End Year:

2004

Assembly Plant:

Jefferson North Assembly Plant, Detroit, Michigan, USA

🏆 Awards & Recognition

Off Road Capability:

Consistently recognized for its off-road prowess and 4x4 system capabilities, often ranking high in its segment for trail use.

Segment Awards:

Often cited in reviews for its blend of luxury, comfort, and utility in the premium SUV segment.