Vehicle Segment:
Mid-size luxury SUV
Competitors 1998:
Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery.
Zj Key Features:
Comfortable ride, capable off-road performance (especially with Quadra-Trac), powerful V8 engine option, refined interior for its class.
Value To Owner:
Essential for accurate parts identification, sourcing, and DIY repairs, saving time and money.
Value To Mechanic:
Streamlines the process of identifying and ordering correct replacement parts, especially for less common or superseded items.
Engine:
All components and sub-assemblies for 4.0L I6 and 5.2L V8 engines, including cooling, fuel, exhaust, and ignition systems.
Transmission:
Parts for automatic transmissions (e.g., 42RE, 44RE, 46RE) and potentially manual transmissions (if applicable to 1998 ZJ).
Drivetrain:
Front and rear axle assemblies, transfer cases (e.g., NP231, NP242), driveshafts, CV joints, differentials.
Suspension:
Front and rear suspension components, including springs, shocks, control arms, bushings, sway bars.
Steering:
Steering gear, tie rods, steering column, power steering pump and lines.
Brakes:
Brake system components, including calipers, rotors, pads, drums, wheel cylinders, master cylinder, ABS components.
Electrical:
Wiring harnesses, sensors, actuators, starter, alternator, battery, ignition components, lighting, fuses, relays.
Body:
Exterior body panels (hood, doors, fenders, bumpers, tailgate), interior trim, glass, seals, hardware.
HVAC:
Heating, ventilation, and air conditioning system components.
Fuel:
Fuel tank, fuel pump, fuel lines, injectors, fuel filter.
Exhaust:
Exhaust manifolds, catalytic converter, muffler, pipes, hangers.
Identification:
Detailed identification of every part with corresponding part numbers.
Assembly Disassembly:
Visual guidance for the correct assembly and disassembly of vehicle components.
Part Ordering:
Facilitates accurate part ordering by providing official part numbers.
Troubleshooting Reference:
Indirectly aids troubleshooting by ensuring correct parts are used in repairs.
Depth:
Highly detailed, covering virtually all factory-supplied components from the smallest bolt to major assemblies.
Format:
PDF (Portable Document Format)
Searchability:
Likely searchable text within the PDF if created from a digital source or OCR'd.
Printability:
Printable, allowing users to print specific pages or the entire manual.
Binding:
Digital (no physical binding)
Paper Type:
N/A (Digital format)
Device Compatibility:
Compatible with all versions of Windows & Mac, smartphones, iPads, and other devices capable of opening PDF files.
Reader Requirement:
Adobe Acrobat Reader or compatible PDF viewer.
Engine 1:
4.0L (242 ci) OHV V6 "Power-Tech" I6
Engine 2:
5.2L (318 ci) OHV V8 "Magnum"
Hp 4.0L:
Approx. 190 hp @ 4750 rpm
Torque 4.0L:
Approx. 225 lb-ft @ 3750 rpm
Hp 5.2L:
Approx. 215 hp @ 4750 rpm
Torque 5.2L:
Approx. 295 lb-ft @ 3250 rpm
Fuel Delivery 4.0L:
Multi-port Electronic Fuel Injection (MPI)
Fuel Delivery 5.2L:
Multi-port Electronic Fuel Injection (MPI)
Cooling Type:
Pressurized liquid cooling system.
Transmission Option 1:
4-speed automatic (42RE/44RE)
Transmission Option 2:
4-speed automatic (46RE) for V8 models
Transfer Case Options:
Selec-Trac (NV231), Command-Trac (NV242), Quadra-Trac (NV247) (full-time 4WD)
Automatic Transmission Fluid:
ATF+3 (Chrysler Material Specification MS-9227) or equivalent.
Wheelbase:
108.7 inches (2761 mm)
Length:
179.1 inches (4550 mm)
Width:
70.5 inches (1791 mm)
Height:
66.1 inches (1679 mm)
Curb Weight 4.0L:
Approx. 3,900 - 4,100 lbs (1769 - 1860 kg)
Curb Weight 5.2L:
Approx. 4,100 - 4,300 lbs (1860 - 1950 kg)
Towing Capacity:
Up to 6,500 lbs (2948 kg) with optional tow package
Cargo Volume Behind Rear Seat:
Approx. 41.7 cu ft (1.18 m³)
Cargo Volume With Rear Seat Folded:
Approx. 85.6 cu ft (2.42 m³)
Oil Change Interval:
Every 3,000 to 5,000 miles (4,800 to 8,000 km) or 3-6 months, depending on driving conditions and oil type (refer to owner's manual).
Transmission Fluid Change:
Typically every 30,000 to 60,000 miles (48,000 to 96,000 km) or as specified in the owner's manual.
Coolant Change:
Every 30,000 miles (48,000 km) or 2 years for conventional coolant, or longer for extended life coolants.
Spark Plug Replacement 4.0L:
Approximately 100,000 miles (160,000 km) with modern spark plugs.
Engine Oil Spec:
SAE 5W-30 or 10W-30, API Service SG or SH, meeting Chrysler MS-6395 (check owner's manual for specific recommendation).
Coolant Spec:
Ethylene glycol-based antifreeze/coolant, Mopar Antifreeze/Coolant (MS-5917 or equivalent) or equivalent meeting Chrysler specifications. Typically a 50/50 mix with distilled water.
Brake Fluid Spec:
DOT 3 or DOT 4 brake fluid.
Common Issues Zj:
Cooling system leaks (radiator, hoses), U-joint wear, differential pinion seal leaks, exhaust manifold cracks (4.0L), death wobble (steering/suspension issues), interior trim degradation, power window regulator failures.
Oil Filter Example:
Example: Fram PH8A, Wix 51515, K&N HP-3001 (verify for specific engine and filter type).
Air Filter Example:
Example: Fram CA3420, Wix 42300 (verify for specific engine).
Jeep Legacy:
Jeep's long-standing reputation for off-road capability and durability.
Zj Generation Introduction:
The ZJ generation was introduced for the 1993 model year, replacing the XJ's wagon variant and establishing the Grand Cherokee as a distinct luxury SUV.
Zj Updates 1998:
The 1998 model year received minor updates, often including revised options and potentially powertrain tweaks. This was part of the ZJ's life cycle leading up to the WJ generation.
Production Location:
Jefferson North Assembly Plant, Detroit, Michigan, USA.
