🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Generation:

ZJ

Model Year:

1998

Chassis Code:

ZJ

👋 Introduction

Segment:

Mid-size luxury SUV

Target Audience:

Families, off-road enthusiasts, those seeking a capable and comfortable SUV

Key Competitors:

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

Usp 1998:

Robust off-road capability with available Quadra-Trac full-time 4WD system

Usp 1998 Luxury:

Comfortable interior, available premium features, and refined ride for its class

Design Language:

Classic Jeep styling with a more rounded and aerodynamic profile compared to earlier generations

📋 Manual Details

Manual Type:

Parts Catalog

Language:

English

Format:

Digital (likely PDF)

Estimated Page Count:

Likely over 1000 pages

📖 Manual Coverage

Engine:

All engine variants offered in 1998 ZJ Grand Cherokee

Powertrain:

Transmission, transfer case, axles, driveshafts

Chassis:

Suspension, steering, brakes, wheels, tires

Electrical:

Wiring harnesses, lighting, charging system, starting system, accessories

Body:

Exterior body panels, interior trim, seats, glass, hardware

HVAC:

Heating, ventilation, and air conditioning components

Fuel:

Fuel system components, tank, pump, lines, injectors

Exhaust:

Exhaust system components, catalytic converter, mufflers, pipes

Part Identification:

Detailed illustrations and part numbers for all components

Interchangeability:

Information on part interchangeability (where applicable)

Assembly Disassembly:

Breakdown views for understanding component relationships and assembly order

Depth Level:

Component-level identification and referencing for parts sourcing and basic understanding of assembly

📊 Manual Specifications

File Type:

PDF (Portable Document Format) is most common for these types of catalogs

Searchability:

Likely text-searchable if created from a well-indexed source

Printable:

Printable pages for easy reference in a workshop environment

Image Clarity:

High-resolution illustrations and diagrams for accurate part identification

Binding:

N/A (Digital Format)

Paper Quality:

N/A (Digital Format)

⚙️ Engine Specifications

Engine 1:

4.0L Inline 6-Cylinder (MPI)

Engine 1 Code:

ERH

Engine 1 Displacement:

242 cu in (3956 cc)

Engine 1 Horsepower:

185 hp @ 4,700 rpm

Engine 1 Torque:

220 lb-ft @ 3,200 rpm

Engine 2:

5.2L V8 (MPI)

Engine 2 Code:

EVC

Engine 2 Displacement:

318 cu in (5211 cc)

Engine 2 Horsepower:

220 hp @ 4,700 rpm

Engine 2 Torque:

285 lb-ft @ 3,200 rpm

Fuel Delivery:

Multi-Port Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline

Ignition System:

Distributorless Ignition System (DIS) with coil-on-plug or coil pack

🔧 Transmission

Transmission Standard:

4-speed automatic (42RE)

Transmission Optional:

N/A for 1998 model year in most markets, though some earlier transmissions might persist in specific configurations.

Transfer Case:

Command-Trac NV242 (Part-time 2-speed with 2WD, 4WD Part-Time, 4WD Full-Time, Neutral)

Transfer Case Optional:

Selec-Trac NV242 (Standard on many 1998 models for full-time 4WD capability)

Transfer Case Premium:

Quadra-Trac NV249 (Full-time 4WD with viscous coupling, available on higher trims)

Axle Ratios:

Commonly 3.73 or 4.00 depending on engine and drivetrain

📐 Dimensions

Wheelbase:

110.0 inches (2794 mm)

Length:

182.7 inches (4641 mm)

Width:

70.4 inches (1788 mm)

Height:

66.1 inches (1679 mm)

Curb Weight Min:

Approx. 4,100 lbs (1860 kg) for 4.0L 2WD

Curb Weight Max:

Approx. 4,600 lbs (2087 kg) for 5.2L 4WD Limited

Cargo Volume Behind 2Nd Row:

Approximately 38.7 cu ft

Cargo Volume With 2Nd Row Folded:

Approximately 75.0 cu ft

🛡️ Safety Features

NHTSA Frontal Impact Driver:

4 Stars (1998 Model Year)

NHTSA Frontal Impact Passenger:

4 Stars (1998 Model Year)

Airbags:

Driver and front passenger airbags

Seatbelts:

Front 3-point height-adjustable seat belts; Rear 3-point seat belts

Brakes:

Front: Vented Discs; Rear: Drums (standard), Rear Discs (optional on some trims/with V8)

ABS:

Anti-lock Braking System (ABS) standard on all 1998 models

💡 Technology Features

Audio System:

AM/FM stereo with cassette and optional CD player. Available premium Infinity Gold sound system.

Navigation:

No factory-integrated navigation system available for this model year.

Cruise Control:

Standard on most trims.

Traction Control:

Optional on some models, often integrated with ABS.

🔧 Maintenance

Oil Change Interval:

Every 3,000-7,500 miles (5,000-12,000 km) or 6 months, depending on driving conditions and oil type used.

Transmission Fluid Interval:

Every 30,000-60,000 miles (50,000-100,000 km) or as per severity of use. Check condition.

Coolant Flush Interval:

Every 30,000-60,000 miles (50,000-100,000 km) or 2-4 years.

Engine Oil Spec:

API SG/SH, SAE 5W-30 or 10W-30 (refer to owner's manual for specific recommendations based on temperature)

Transmission Fluid Spec:

ATF+3 (Chrysler Material Number 05010083AA) or equivalent DEXRON-III/MERCON

Coolant Spec:

Chrysler's HOAT (Hybrid Organic Acid Technology) or compatible green ethylene glycol coolant

Power Steering Fluid:

Chrysler Power Steering Fluid (Mopar P/N 043030001AB) or equivalent DEXRON-III/MERCON

Engine Issues:

Cracked cylinder heads on early 5.2L V8s (though less common by '98), potential for head gasket leaks on 4.0L inline-6 due to overheating.

Transmission Issues:

Valve body issues in the 42RE transmission, leading to harsh shifting or failure to engage gears. Leaking transmission cooler lines.

Suspension Issues:

Worn control arm bushings, track bar bushings, and ball joints are common due to age and driving conditions.

Electrical Issues:

Failure of the overhead console, door lock actuators, and sometimes the instrument cluster voltage regulator.

Cooling System:

Water pump failures, radiator leaks, and thermostat issues can lead to overheating if not maintained.

📚 Vehicle History

Brand Legacy:

Jeep is renowned for its off-road prowess and military heritage, dating back to WWII.

Zj Generation Intro:

The ZJ Grand Cherokee was introduced for the 1993 model year, evolving from the Cherokee XJ, offering a more refined, unibody construction with a focus on comfort and luxury compared to its predecessors.

Zj Midcycle Refresh:

The 1996 model year saw a significant facelift for the ZJ, including updated exterior styling, interior enhancements, and powertrain improvements, making the 1998 model a refined version of this updated design.

Production Period:

1993-1998

Manufacturing Locations:

Jefferson North Assembly, Detroit, Michigan, USA

🏆 Awards & Recognition

4X4 Of The Year:

The Jeep Grand Cherokee (ZJ) often received accolades from off-road publications, frequently being recognized for its 4x4 capabilities.

Truck Trend Award:

Has been recognized for its towing and utility capabilities by various automotive critics.

Emissions Compliance:

Meets federal emissions standards for 1998 model year vehicles.