Vehicle Segment:
Compact SUV / Off-Road Vehicle
Brand Perception:
Iconic off-road capability, ruggedness, and freedom
Key Competitors Era:
Toyota 4Runner, Ford Bronco (older generations), Nissan Xterra, Suzuki Vitara
Vehicle Design Philosophy:
Body-on-frame construction, solid axles, removable doors and roof
Manual Value Proposition:
Comprehensive, detailed, and highly visual resource for DIY enthusiasts and professional mechanics
Engine Mechanical:
Yes (including disassembly, assembly, tuning, and diagnostics)
Engine Electrical:
Yes (including ignition, fuel injection, sensors, ECU, wiring diagrams)
Transmission Manual:
Yes (NV3550, AX-15 where applicable)
Transmission Automatic:
Yes (42RLE)
Transfer Case:
Yes (NP231, NP241OR)
Drivetrain Front Axle:
Yes (Dana 30)
Drivetrain Rear Axle:
Yes (Dana 35, Dana 44 where applicable)
Suspension Front:
Yes (Coil Spring, Solid Axle)
Suspension Rear:
Yes (Coil Spring, Solid Axle, Leaf Spring for early models)
Brake System:
Yes (including ABS where equipped)
Fuel System:
Yes (EFI, fuel pump, injectors, tank)
Body Interior:
Yes (seats, trim, dash)
Body Exterior:
Yes (panels, doors, hinges, soft top/hardtop removal)
Restraint System:
Yes (Airbags, seatbelts)
Routine Maintenance:
Yes (oil changes, filter replacements, fluid checks)
Scheduled Maintenance:
Yes (mileage/time-based services)
Troubleshooting Diagnostics:
Yes (extensive fault finding)
Component Removal Installation:
Yes (step-by-step instructions)
Rebuilding Overhauling:
Yes (for major components like engines, transmissions)
Wiring Diagrams:
Yes (detailed, component-specific)
Specifications Data:
Yes (torque values, clearances, fluid capacities)
Body Repair:
Yes (panel replacement, rust repair guidance)
Depth Of Coverage:
Complete rebuild and overhaul procedures
Diagnostic Level:
Advanced (OBD-II, component testing)
Detail Level:
Extremely detailed with step-by-step instructions and torque specifications
Diagram Quality:
High (tons of detailed pictures and diagrams)
Base Engine:
2.5L (150 cu in) AMC 150 I4
Optional Engine 1:
4.0L (242 cu in) AMC 242 I6 (Most common and desirable)
Optional Engine 2:
4.0L (242 cu in) High Output (HO) I6 (later years)
4.0L I6 Horsepower:
Approx. 181-190 hp (varies by year)
4.0L I6 Torque:
Approx. 220-225 lb-ft (varies by year)
2.5L I4 Horsepower:
Approx. 117-121 hp
2.5L I4 Torque:
Approx. 135-140 lb-ft
Fuel Delivery:
Multi-point Fuel Injection (MPI)
Recommended Fuel:
87 Octane Unleaded Gasoline
Audio Options:
AM/FM radio, CD player (optional), premium sound systems available
ABS Availability:
Optional on many models, standard on later models
Bluetooth Connectivity:
Not standard, aftermarket solutions are common
Oil Change Interval:
Every 3,000-5,000 miles or 6 months (whichever comes first), check manual for specific engine
Transmission Fluid Change:
Every 30,000-60,000 miles, depending on usage and transmission type
Transfer Case Fluid Change:
Every 30,000-60,000 miles
Engine Oil Spec:
API SN or higher, SAE 5W-30 recommended for 4.0L I6 and 2.5L I4 (refer to manual for exact specs and capacity)
Coolant Spec:
Chrysler/Mopar OAT (Orange) or HOAT (Gold) Antifreeze/Coolant, 50/50 mix with distilled water
Power Steering Fluid Spec:
ATF+4 (or equivalent Mopar specification)
Manual Transmission Fluid Spec:
NV3550: SAE 75W-90 synthetic gear oil (API GL-3 or GL-4 recommended)
Automatic Transmission Fluid Spec:
ATF+4 (Chrysler specification)
Transfer Case Fluid Spec:
NV231/NV241: ATF+4 or Mopar transfer case lubricant
Common Issues 4.0L I6:
Cracked cylinder heads (pre-2000 models), rear main seal leaks, oil filter adapter leaks, distributorless ignition system issues
Common Issues 2.5L I4:
Lower power output, oil leaks
Common Issues Suspension Steering:
Death wobble (due to worn steering/suspension components), ball joint wear, track bar issues
Common Issues Frame:
Frame rust and corrosion, especially in salt-belt regions
Common Issues Electrical:
Window regulator failures, gauge cluster issues, wiring harness degradation
Jeep Legacy:
Roots in WWII military vehicles, renowned for off-road prowess
Tj Introduction:
Replaced the YJ Wrangler, introduced with coil spring suspension for improved ride comfort and articulation
Tj Key Changes:
Coil spring suspension, return to round headlights, improved interior design, introduction of the 4-door Unlimited variant
Manufacturing Plant:
Toledo South Assembly, Toledo, Ohio, USA
