🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Year:

1998

Chassis Code:

ZJ

Market Segment:

Full-size SUV

👋 Introduction

Positioning:

A highly practical and comprehensive resource for owners and technicians, catering to DIY enthusiasts and professional mechanics.

Value Proposition:

Offers significant cost savings compared to professional labor rates, empowers users with in-depth knowledge, and provides instant access.

Benefit Diy:

Essential for Do-It-Yourselfers aiming to maintain and repair their vehicle independently.

Benefit Cost Savings:

Saves money on postage and packaging through instant download, and significantly reduces repair costs.

Benefit Knowledge:

Enables users to understand their Jeep at a deeper level.

📋 Manual Details

Engine:

Yes

Transmission:

Yes

Suspension:

Yes

Brakes:

Yes

Electrical System:

Yes

Body Components:

Yes

Heating Air Conditioning:

Yes

Fuel System:

Yes

Exhaust System:

Yes

Steering:

Yes

Wheels Tires:

Yes

Lubrication Maintenance:

Yes

Emission Control:

Yes

Estimated Pages:

Varies by specific edition, but comprehensive workshop manuals typically range from 1000-3000 pages.

Type:

Workshop Service Repair Manual

Language:

English

File Format:

PDF

Downloadable:

Yes (Instant Download)

Printable:

Yes

📖 Manual Coverage

Engine Systems:

Engine mechanical, cooling, lubrication, fuel, ignition, starting, charging, emission controls.

Drivetrain Systems:

Transmissions (automatic and manual), transfer cases, drive axles, propeller shafts, differentials.

Chassis Systems:

Suspension (front and rear, solid axles), steering system, brake system (disc and drum, ABS), wheels and tires.

Body And Interior:

Frame, bumpers, exterior body panels, doors, windows, interior trim, seating, body hardware.

Electrical Systems:

Wiring diagrams, lighting, instrumentation, power accessories, control modules, diagnostic connectors.

HVAC Systems:

Heating, ventilation, and air conditioning system components, operation, and service.

Maintenance:

Scheduled maintenance, fluid changes, filter replacements, lubrication, general upkeep.

Troubleshooting:

Diagnostic procedures, fault finding, common problems and their solutions, symptom-based troubleshooting.

Repair Overhaul:

Detailed step-by-step instructions for disassembly, repair, reassembly, and adjustment of all major components.

Component Testing:

Procedures for testing individual components and systems for proper function and specifications.

Specifications Data:

Torque specifications, clearances, fluid capacities, electrical values, diagnostic parameters.

Depth:

Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including complex electrical diagnostics.

📊 Manual Specifications

Quality:

High quality diagrams and instructions.

Printability:

All pages are printable.

Binding:

Digital download (not a physical book).

Paper:

Not applicable (digital format).

Operating Systems:

Compatible with all versions of Windows & Mac.

Software:

Adobe PDF Reader required.

⚙️ Engine Specifications

Engine 1:

4.0L Inline 6-Cylinder (242 ci) OHV

Engine 1 Power:

Approximately 185 horsepower @ 4700 rpm

Engine 1 Torque:

Approximately 220 lb-ft @ 3000 rpm

Engine 1 Block Material:

Cast Iron

Engine 1 Head Material:

Cast Iron

Engine 1 Fuel System:

Sequential Multi-Port Fuel Injection (MPI)

Engine 2:

5.2L V8 (318 ci) OHV Magnum

Engine 2 Power:

Approximately 220 horsepower @ 4600 rpm

Engine 2 Torque:

Approximately 295 lb-ft @ 3200 rpm

Engine 2 Block Material:

Cast Iron

Engine 2 Head Material:

Cast Iron

Engine 2 Fuel System:

Sequential Multi-Port Fuel Injection (MPI)

Engine 3:

5.9L V8 (360 ci) OHV Magnum (late 1998 models)

Engine 3 Power:

Approximately 245 horsepower @ 4800 rpm

Engine 3 Torque:

Approximately 325 lb-ft @ 3200 rpm

Engine 3 Fuel System:

Sequential Multi-Port Fuel Injection (MPI)

🔧 Transmission

Transmission Standard 40L:

4-speed Automatic (42RE)

Transmission Standard 52L:

4-speed Automatic (44RE)

Transmission Standard 59L:

4-speed Automatic (46RE)

Transmission Manual:

No manual transmission offered in 1998 for North American market.

Transfer Case:

Part-time Command-Trac (NV231J) or Full-time Selec-Trac (NV242J) optional depending on trim and drivetrain.

📐 Dimensions

Wheelbase:

108.7 inches (2761 mm)

Length:

178.2 inches (4526 mm)

Width:

70.5 inches (1791 mm)

Height:

63.5 inches (1613 mm)

Curb Weight Approx:

4,000 - 4,500 lbs (1814 - 2041 kg) depending on engine and configuration.

🛡️ Safety Features

NHTSA Driver Front Impact:

Four-star rating (as per NHTSA data for similar period vehicles).

NHTSA Passenger Front Impact:

Four-star rating (as per NHTSA data for similar period vehicles).

ABS:

Standard Anti-lock Braking System (ABS) on all wheels.

Airbags:

Driver and passenger front airbags.

Seatbelts:

Front and rear seat belts; driver's seat belt pretensioner.

💡 Technology Features

Infotainment System:

Basic AM/FM radio with cassette player and optional CD player. Upgrades available by aftermarket manufacturers.

Driver Assistance Features:

Limited by modern standards. Primarily focused on ABS for braking assistance.

Connectivity Features:

No factory Bluetooth or advanced connectivity. External options like aftermarket stereos with Bluetooth exist.

🔧 Maintenance

Oil Change Interval:

Every 3,000 miles or 3 months (severe duty), 7,500 miles or 6 months (normal duty) - consult specific manual for detailed conditions.

Transmission Fluid Change:

Recommended every 30,000 to 60,000 miles, depending on driving conditions and transmission type. Check fluid condition regularly.

Coolant Change:

Typically every 30,000 to 50,000 miles or 2-3 years. Use Mopar HOAT antifreeze or equivalent.

Engine Oil Type:

SAE 5W-30 or 10W-30, API Certified (e.g., MS-6395 for Chrysler specifications).

Transmission Fluid Type:

ATF+3 (Chrysler spec) for 42RE, 44RE; ATF+4 (Chrysler spec) for 46RE. Verify with manual.

Coolant Type:

Mopar Antifreeze/Coolant (HOAT - Hybrid Organic Acid Technology) or equivalent. Do not mix types.

Common Issue Headgasket 40L:

The 4.0L inline-six, while robust, can sometimes develop head gasket issues, particularly with overheating.

Common Issue Transmission Shifts:

Automatic transmission shift solenoids or valve body issues can cause rough shifting or failure to shift.

Common Issue Heater Core:

Heater core leaks are a common issue, often requiring dashboard removal for replacement.

Common Issue Power Window Motors:

Power window regulators and motors can wear out over time.

Common Issue Ignition Switch:

The ignition switch can fail, leading to no-start conditions or electrical gremlins.

📚 Vehicle History

Jeep Legacy:

Jeep has a long-standing reputation for ruggedness, off-road capability, and durable vehicles dating back to its military origins.

Zj Generation:

The ZJ Grand Cherokee, produced from 1993 to 1998, represented Jeep's entry into the luxury SUV market. It was a unibody construction, a departure from previous body-on-frame Jeep SUVs, offering a more refined ride.

Manufacturing Location:

Jefferson North Assembly Plant, Detroit, Michigan, USA.

1998 Updates:

The 1998 model year saw the introduction of the larger 5.9L V8 engine option and minor interior and exterior refinements.

🏆 Awards & Recognition

Off Road Capability:

Consistently recognized for its off-road prowess and capability in its class during its production era.

Overall Vehicle Reliability:

Mixed reviews on long-term reliability, with praise for the core drivetrain (especially the 4.0L I6) but common issues in other areas like HVAC and electronics.