Market Segment:
Mid-size luxury SUV, often competing with models like the Ford Explorer, Chevrolet Blazer, and Toyota 4Runner
Key Competitors Era:
Ford Explorer, Chevrolet Blazer/S-10 Blazer, Toyota 4Runner, Nissan Pathfinder, Mitsubishi Montero, Range Rover (entry-level)
Platform Advantage:
Unibody construction offered a more refined ride compared to body-on-frame SUVs of its era, while still retaining significant off-road capability
Powertrain Options:
Offered renowned Jeep four-wheel-drive systems (Selec-Trac, Command-Trac) and robust V8 engine options
Engine Systems:
Engine mechanical (troubleshooting, disassembly, assembly, overhaul), lubrication, cooling, fuel, ignition, emission control systems, engine diagnostics
Transmission Systems:
Automatic transmission (42RE, 46RH, 44RE) service, overhaul, diagnosis, fluid specifications; Manual transmission (NV3500) service, overhaul, diagnosis
Drivetrain Systems:
Transfer case (NP242 Selec-Trac, NP231 Command-Trac) service, diagnosis; Dana 30 front axle, Dana 35c rear axle, Chrysler 8.25 rear axle service, repair, overhaul
Suspension Systems:
Front and rear suspension components, steering system (power steering, linkage, pump), shock absorbers, springs, bushings, alignment procedures
Brake Systems:
Front disc brakes (ventilated), rear disc or drum brakes, ABS system (if equipped), brake fluid specifications, bleeding procedures, caliper and master cylinder overhaul
Electrical Systems:
Wiring diagrams, battery, charging system (alternator, starter), lighting, ignition system, power windows, locks, mirrors, power seats, HVAC controls, audio system, instrument cluster, diagnostics
Body And Interior:
Body panels, doors, hood, tailgate, bumpers, glass, trim, seats, dashboard, HVAC system ducting and components, interior panels, weatherstripping
HVAC System:
Air conditioning, heating, ventilation system components, refrigerant, service procedures, troubleshooting
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements, tune-ups, fluid level checks and changes, lubrication points, tire rotation
Diagnostic Procedures:
Troubleshooting guides, symptom-based diagnostics, DTC (Diagnostic Trouble Code) interpretation, electrical system diagnostics, mechanical component testing
Repair Procedures:
Step-by-step repair instructions for all major and minor components, engine rebuilds, transmission overhauls, suspension and brake repairs, electrical component replacement
Overhaul Procedures:
Complete overhaul procedures for engines, transmissions, transfer cases, axles, and major components
Assembly Disassembly:
Detailed instructions for the removal and installation of all vehicle components
Depth Of Information:
Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including detailed torque specifications and diagnostic flowcharts
Detail Level:
Extremely detailed with exploded views, diagrams, torque specifications, tolerances, and diagnostic procedures specific to the ZJ platform
Engine 1 Code:
4.0L Inline 6-Cylinder (I6)
Engine 1 Displacement:
242 cubic inches (3960 cc)
Engine 1 Bore X Stroke:
3.88 in x 3.57 in (98.5 mm x 90.6 mm)
Engine 1 Compression Ratio:
8.7:1
Engine 1 Horsepower:
Approx. 180-190 hp @ 4700 rpm (depending on year and specific tune)
Engine 1 Torque:
Approx. 220-230 lb-ft @ 3200 rpm (depending on year and specific tune)
Engine 1 Fuel System:
Electronic Fuel Injection (EFI) - Sequential Multi-Port Fuel Injection (MPI)
Engine 1 Ignition System:
Distributorless Ignition System (DIS) - Coil-on-plug or coil pack system
Engine 1 Block Material:
Cast Iron
Engine 1 Head Material:
Aluminum
Engine 1 Valve Train:
Overhead Valve (OHV), 2 valves per cylinder
Engine 2 Code:
5.2L V8 (Magnum)
Engine 2 Displacement:
318 cubic inches (5210 cc)
Engine 2 Horsepower:
Approx. 220 hp @ 4400 rpm
Engine 2 Torque:
Approx. 290 lb-ft @ 3200 rpm
Engine 2 Fuel System:
Electronic Fuel Injection (EFI) - Sequential Multi-Port Fuel Injection (MPI)
Engine 2 Block Material:
Cast Iron
Engine 2 Head Material:
Aluminum
Engine 2 Valve Train:
Overhead Valve (OHV), 2 valves per cylinder
Performance Notes:
The 4.0L I6 is renowned for its torque and durability, while the 5.2L V8 offers more power and towing capability.
Standard Transmission:
4-speed Automatic Transmission
Optional Transmission:
5-speed Manual Transmission (NV3500) - Less common
Automatic Transmission Codes:
42RE (2WD/4WD), 46RH (4WD), 44RE (4WD)
Automatic Transmission Fluid Type:
ATF+3 or ATF+4 (check specific manual for early 1993 models)
Manual Transmission Fluid Type:
GL-3 or GL-4 75W-90 gear oil
Transfer Case Options:
NP231 Command-Trac (part-time 4WD), NP242 Selec-Trac (full-time 4WD capability)
Transfer Case Fluid:
ATF+4
Wheelbase:
110.0 inches (2794 mm)
Length:
181.5 inches (4610 mm)
Width:
70.2 inches (1783 mm)
Height:
65.4 inches (1661 mm)
Ground Clearance:
Approx. 8.5 inches (216 mm) depending on configuration
Curb Weight:
Approx. 4,000-4,500 lbs (1814-2041 kg) depending on engine and equipment
Gross Vehicle Weight Rating:
Approx. 5,500-5,700 lbs (2495-2585 kg)
Cargo Volume Behind Rear Seat:
Approx. 39.7 cubic feet (1.12 cubic meters)
Cargo Volume With Rear Seat Folded:
Approx. 75.5 cubic feet (2.14 cubic meters)
Oil Change Interval:
Every 3,000-5,000 miles or 6 months (depending on oil type and driving conditions)
Engine Coolant Flush:
Every 30,000 miles or 2-3 years
Transmission Fluid Change:
Every 30,000-60,000 miles (refer to manual for exact interval and fluid type)
Transfer Case Fluid Change:
Every 30,000-60,000 miles
Spark Plug Replacement:
Approx. 100,000 miles (long-life plugs)
Engine Oil Type:
API SG or SH, SAE 5W-30 or 10W-30 (refer to manual for exact grade and viscosity)
Engine Oil Capacity:
5 quarts (4.7 liters) with filter for 4.0L I6; 5 quarts (4.7 liters) with filter for 5.2L V8
Coolant Type:
Chrysler (Mopar) HOAT (Hybrid Organic Acid Technology) coolant, typically green or orange, 50/50 mix with distilled water
Power Steering Fluid:
ATF+3 or ATF+4
Common Issues 40L I6:
Head gasket leaks (especially earlier models), oil filter adapter housing leaks, exhaust manifold cracks (less common on later models)
Common Issues 52L V8:
Lifter tick, intake manifold gasket leaks, valve stem seals
Common Issues Transmission:
Slipping, harsh shifting, torque converter issues (especially with high mileage)
Common Issues Electrical:
Instrument cluster failures, window regulator failures, HVAC blower motor resistor issues, O2 sensor failures
Common Issues Suspension Steering:
Worn ball joints, tie rod ends, track bar bushings, steering box play
Common Issues Body:
Rust (especially on rocker panels, rear quarter panels, and tailgate), headliner sagging
Jeep Legacy:
Jeep has a long-standing reputation for robust off-road vehicles, originating with the WWII Willys MB.
Zj Introduction:
The ZJ Grand Cherokee was introduced in 1993, marking Jeep's entry into the more upscale SUV market, differentiating from the XJ Cherokee.
Zj Updates 1993-1995:
Minor updates occurred, including powertrain refinements and feature availability changes across the model years.
Production Locations:
Detroit, Michigan, USA (Jefferson North Assembly Plant)
Production Years Zj Platform:
1993-1998