Vehicle Segment:
Mid-size Luxury SUV (Sport Utility Vehicle)
Target Audience:
Families and individuals seeking a capable, comfortable, and somewhat premium SUV with off-road prowess.
Key Competitors 1996:
Ford Explorer, Chevrolet Blazer/Tahoe, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery.
Platform Sharing:
Based on the Mercedes-Benz M-Class (W163) platform, sharing significant underlying engineering and components, contributing to a more refined ride and handling compared to previous Jeep generations.
Powertrain Options:
Available with a robust 4.0L inline-six engine and a more powerful 4.7L V8 engine.
Four Wheel Drive Systems:
Offered with Jeep's renowned 4WD systems, including Selec-Trac (full-time 4WD with 2WD option) and Quadra-Drive (full-time 4WD with limited-slip differentials).
Interior Appointments:
Higher levels of interior refinement, materials, and features compared to earlier Jeep models.
Engine Mechanical:
Detailed disassembly, assembly, inspection, and repair of all engine components, including block, crankshaft, pistons, connecting rods, cylinder heads, valves, camshafts, timing systems, lubrication, and cooling.
Engine Performance:
Fuel system (injection, pumps, injectors, lines), ignition system (coils, plugs, sensors), exhaust system, emissions control, turbocharging/supercharging (if applicable to specific trims/engines).
Transmission Manual:
Service and repair of manual transmissions, including clutch, gearbox, shift mechanisms, and driveline components.
Transmission Automatic:
Detailed overhaul and repair of automatic transmissions, including torque converter, valve body, clutch packs, planetary gear sets, hydraulic circuits, and electronic controls.
Drivetrain:
Front and rear axle assemblies, differentials, transfer case (NV242, NV247), driveshafts, U-joints, CV joints, and wheel bearings.
Suspension:
Front and rear suspension systems, including control arms, ball joints, tie rod ends, springs, shock absorbers/struts, bushings, sway bars, and alignment procedures.
Steering:
Power steering system, including pump, steering gear/rack, power steering fluid, hoses, and troubleshooting.
Brakes:
Disc brake systems (front and rear), ABS (Anti-lock Braking System), brake fluid, master cylinder, brake lines, calipers, rotors, pads, parking brake system, and bleeding procedures.
Electrical System:
Complete wiring diagrams, component locations, fuses, relays, battery, charging system (alternator), starting system (starter motor), lighting systems (headlights, taillights, interior), and accessory circuits.
Body Exterior:
Body panel removal and installation, door mechanisms, hood, tailgate, bumpers, glass, seals, trim, and rust prevention.
Body Interior:
Dashboard removal, seat mechanisms, interior trim panels, headliner, carpet, HVAC system controls, and safety restraints.
HVAC:
Heating, ventilation, and air conditioning (HVAC) system, including refrigerant, compressor, condenser, evaporator, blower motor, and climate controls.
Diagnostics:
Diagnostic Trouble Codes (DTCs), On-Board Diagnostics (OBD-II) system, scan tool usage, diagnostic procedures, and troubleshooting charts for various systems.
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, tire rotations, spark plug replacement, air filter replacement, and belt inspections.
Major Repairs:
Engine overhaul, transmission rebuild, differential repair, suspension component replacement, brake system overhauls, and electrical system diagnostics.
Troubleshooting:
Systematic troubleshooting guides for common and uncommon problems, symptom-based diagnostics, and repair strategies.
Component Replacement:
Step-by-step instructions for replacing virtually all components, from minor sensors to major powertrain units.
Special Tools:
Identification and usage instructions for specialized tools required for specific repair procedures.
Torque Specifications:
Precise torque values for all critical fasteners and bolts.
Diagnostic Capability:
Advanced diagnostic procedures for electronic control units (ECUs), sensor inputs/outputs, and actuator tests.
Rebuilding Procedures:
Comprehensive engine and transmission rebuilding procedures, including clearances, tolerances, and assembly sequences.
Wiring Diagrams:
Detailed, high-quality wiring diagrams for all electrical systems, including schematics for power distribution, signal paths, and component connections.
Schematics:
System schematics for hydraulic, pneumatic, and electrical systems to illustrate functional relationships.
Engine 1 Displacement:
4.0 Liters (242 cubic inches)
Engine 1 Configuration:
Inline-6 (I6), Overhead Valve (OHV)
Engine 1 Horsepower:
Approximately 190 hp @ 4600 rpm (varies slightly by year/tune)
Engine 1 Torque:
Approximately 235 lb-ft @ 3200 rpm (varies slightly by year/tune)
Engine 1 Block Material:
Cast Iron
Engine 1 Head Material:
Cast Iron
Engine 1 Fuel System:
Sequential Multi-Port Fuel Injection (MPI)
Engine 1 Ignition System:
Distributorless Ignition System (DIS) with coil-on-plug or distributor ignition depending on exact build date/update.
Engine 1 Oil Capacity:
6 US quarts (5.7 Liters) with filter change
Engine 1 Recommended Oil:
API SG or SH, SAE 10W-30 (refer to manual for specific climate viscosity).
Engine 2 Displacement:
4.7 Liters (287 cubic inches) V8 'PowerTech'
Engine 2 Configuration:
V8, Overhead Valve (OHV), 90-degree bank angle
Engine 2 Horsepower:
Approximately 220 hp @ 4700 rpm (varies slightly by year/tune)
Engine 2 Torque:
Approximately 290 lb-ft @ 3200 rpm (varies slightly by year/tune)
Engine 2 Fuel System:
Sequential Multi-Port Fuel Injection (MPI)
Engine 2 Oil Capacity:
7 US quarts (6.6 Liters) with filter change
Engine 2 Recommended Oil:
API SG or SH, SAE 5W-30 (refer to manual for specific climate viscosity).
Fuel Type:
Unleaded Gasoline
Fuel Tank Capacity:
20.5 US gallons (77.6 Liters)
Oil Change Interval:
Every 3,000 - 7,500 miles (5,000 - 12,000 km) or 6-12 months, depending on driving conditions and oil type used. Consult manual for specific recommendation.
Engine Air Filter Replacement:
Every 15,000 - 30,000 miles (24,000 - 48,000 km) or as needed based on inspection.
Spark Plug Replacement 4.0L:
Approximately every 30,000 - 60,000 miles (48,000 - 96,000 km), depending on plug type (standard copper vs. platinum/iridium).
Spark Plug Replacement 4.7L:
Approximately every 30,000 - 100,000 miles (48,000 - 160,000 km), depending on plug type (often platinum or iridium recommended).
Transmission Fluid Change Interval:
Every 30,000 - 60,000 miles (48,000 - 96,000 km), or sooner for severe use. Check manual for specific recommendations.
Coolant Flush Interval:
Every 30,000 - 60,000 miles (48,000 - 96,000 km) or 2-4 years.
Brake Fluid Type:
DOT 3 (or DOT 4 if specified by manufacturer).
Power Steering Fluid Type:
ATF+4 (Chrysler Mopar specification) or equivalent.
Transfer Case Fluid Type Select Trac:
NV242 - Mercon V or equivalent ATF.
Transfer Case Fluid Type Quadra Drive:
NV247 - Special Quadra-Trac II fluid (often referred to as 'Mercon V' or equivalent for the differentials within Quadra-Drive).
Differential Fluid Front Rear:
GL-5 SAE 75W-90 synthetic gear oil. Check for limited-slip additive requirements.
Common Issue Radiator:
Leaking radiators, especially the plastic end tanks, are a known issue.
Common Issue Heater Core:
Heater core failures leading to coolant leaks into the cabin are prevalent.
Common Issue Power Windows:
Power window regulators and motors can fail.
Common Issue Headliner:
Headliner sagging is a common cosmetic issue.
Common Issue Transfer Case Chain:
Stretch or wear in the transfer case chain (especially on Quadra-Trac II) can cause engagement issues.
Common Issue Ignition Coil Pack:
Failure of ignition coil packs (especially on the 4.0L) leading to misfires.
Common Issue Track Bar:
Wear in the front track bar and its bushings, causing steering wander and shimmy.
Common Issue Oil Filter Adapter:
Leaking oil filter adapter seals.