Vehicle Segment:
Mid-size luxury SUV
Target Audience:
Families, individuals seeking off-road capability combined with on-road comfort and luxury.
Primary Competitors:
Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Land Rover Discovery.
Iconic Design:
Jeep's distinctive seven-slot grille and rugged aesthetic.
Capability:
Renowned Jeep 4x4 systems (Quadra-Trac II, Selec-Trac).
Luxury Appointments:
Available leather seating, premium sound systems, and wood grain trim in higher trims.
Zg Facelift:
Updated exterior styling (front fascia, headlights, taillights), revised interior, and improved powertrain options.
Covered Regions:
Globally applicable, with emphasis on markets where ZG was officially sold and serviced.
Estimated Page Count:
800-1200 pages (typical for comprehensive parts catalogs)
Manual Type:
Parts Catalog / Parts Manual
Format:
Digital (PDF), often searchable and printable
Powertrain:
Engine assemblies, fuel system, cooling system, exhaust system, engine management components.
Drivetrain:
Transmissions (automatic/manual), transfer cases, front axle, rear axle, driveshafts, differentials, CV joints.
Chassis And Suspension:
Front suspension components (control arms, ball joints, springs, shocks), rear suspension components (leaf springs/linkages, shocks), steering system components, wheel bearings.
Brakes:
Brake system components (calipers, pads, rotors, drums, master cylinder, proportioning valve, ABS components).
Electrical System:
Wiring harnesses, lighting components (headlights, taillights, interior lights), ignition system components, starter motor, alternator, battery related components, sensors, fuses, relays.
Body And Exterior:
Body panels (hood, doors, fenders, quarter panels), bumpers, grille, glass, trim pieces, mirrors, roof rack components, body hardware.
Interior And Trim:
Seating components, dashboard, door panels, headliner, carpeting, HVAC system components (vents, controls), seat belts, airbags (components).
Wheels And Tires:
Wheels, tires, lug nuts, valve stems.
Parts Identification:
Detailed diagrams of all components, with exploded views and part numbers for precise identification.
Assembly Sequences:
Illustrations showing the order of assembly for various sub-systems.
Interchangeability:
Indication of compatible part numbers across different trim levels or build dates within the model year.
Part Number Lookup:
Systematic part number referencing for ordering and inventory.
Detail Level:
Highly detailed, suitable for dealership technicians, independent repair shops, and serious DIY enthusiasts. Focus on exact part fitment and OE specifications.
Engine Displacement Liters:
4.0L
Engine Type:
Inline-6 OHV (PowerTech)
Engine Code Common:
AMC 242
Horsepower Hp:
185 hp @ 4,700 rpm
Torque Lb Ft:
220 lb-ft @ 3,200 rpm
Engine Displacement Liters:
5.9L (Limited Production/Export)
Engine Type:
V8 OHV (Magnum)
Engine Code Common:
360ci
Horsepower Hp:
235 hp @ 4,500 rpm
Torque Lb Ft:
330 lb-ft @ 3,200 rpm
Fuel Delivery:
Electronic Fuel Injection (MPI - Multi-Point Injection)
Fuel Type:
Unleaded Gasoline (87 Octane recommended for 4.0L, 89 Octane recommended for 5.2L/5.9L)
Transmission Type:
4-speed Automatic (42RE)
Transmission Type:
5-speed Manual (NV3500)
Transfer Case Options:
Selec-Trac (Part-time 4WD with 2WD option), Quadra-Trac II (Full-time 4WD with low range).
Automatic Transmission Fluid:
ATF+3 (Chrysler specification)
Manual Transmission Fluid:
Mopar Manual Transmission Lubricant (or equivalent API GL-4, SAE 75W-90)
Length Inches:
179.1 - 183.2 (depending on trim/bumper)
Height Inches:
62.4 - 64.3 (depending on roof rails)
Ground Clearance Inches:
8.0 (approximate, unloaded)
Cargo Volume Cubic Feet:
38.0 (behind rear seat), 75.4 (with rear seat folded)
Curb Weight Lbs:
3,800 - 4,300 lbs (depending on engine and drivetrain)
Towing Capacity Lbs:
Up to 6,500 lbs (with optional towing package)
Standard Wheel Size:
15-inch or 16-inch Alloy
Standard Tire Size:
P225/75R15, P235/70R16 (examples)
Bolt Pattern:
5x114.3 mm (5x4.5 inches)
NHTSA Frontal Driver Rating:
4 Stars (1998 MY, based on available data)
NHTSA Frontal Passenger Rating:
4 Stars (1998 MY, based on available data)
ABS:
Standard on all models (4-wheel disc brakes)
Airbags:
Driver and front passenger airbags
Seat Belts:
Front and rear seat belts, front seat pretensioners
Body On Frame:
Robust body-on-frame construction for structural integrity.
Oil Change Interval:
Every 3,000 - 5,000 miles or 6 months, depending on oil type and driving conditions.
Coolant Flush Interval:
Every 30,000 miles or 2 years.
Spark Plug Replacement 4.0L:
Approx. 100,000 miles (platinum tipped)
Spark Plug Replacement 5.2L/5.9L:
Approx. 30,000 - 60,000 miles (standard copper/platinum)
Transmission Fluid Service:
Every 30,000 - 60,000 miles (check fluid condition)
Engine Oil Capacity 4.0L:
5.0 Quarts (4.7 Liters) with filter change
Engine Oil Specification:
API SG/SH or SJ, SAE 10W-30 or 10W-40 (check owner's manual for temperature specific recommendations)
Engine Coolant Type:
Chrysler HOAT (Hybrid Organic Acid Technology) Coolant, typically Mopar OAT or equivalent green/orange coolant.
Coolant Capacity:
Approx. 11.0 - 12.0 Quarts (depending on engine)
Heater Core Leaks:
Common on ZJ models, often requiring dashboard removal.
Ignition Coil Failure:
Can lead to misfires or rough running, especially on the 4.0L.
Transfer Case Chain Stretch:
Can cause whining noises or issues with engaging 4WD, particularly on older Quadra-Trac II units.
Death Wobble:
A term used for steering instability caused by worn front-end components (track bar, tie rod ends, ball joints).
Radiator Leaks:
Plastic end tanks can degrade over time.
Jeep Legacy:
Dating back to WWII Willys MB, synonymous with off-road capability and adventure.
Zj Generation Intro:
Introduced in 1993 as Jeep's first unibody SUV, blending luxury with traditional Jeep toughness.
Zg Facelift:
The 1996-1998 ZJ models, including the 1998 MY, received significant updates and refinements.
Next Generation:
The ZJ was succeeded by the WJ Grand Cherokee for the 1999 model year.
Manufacturing Plant:
Jefferson North Assembly Plant, Detroit, Michigan, USA.
