Category:
Iconic Off-Road SUV
Segment:
Compact SUV, off-road focused
Competitors:
Toyota 4Runner, Nissan Xterra, Suzuki Vitara (historically)
Off Road Capability:
Renowned for its off-road prowess, solid axles (on TJ generation), robust 4WD systems
Design:
Classic Jeep styling, removable doors and top for open-air driving experience
Durability:
Built for rugged use and off-road adventures
Engine:
All engine systems, including diagnostics, repair, and overhaul
Transmission:
Manual and Automatic transmission systems, including rebuilds
Drivetrain:
4WD system (NV241 GII transfer case), differentials, axles, driveshafts
Suspension:
Front and rear suspension components, steering system, alignment
Brakes:
Front and rear brake systems, ABS (if equipped), parking brake
Electrical:
Complete electrical schematics, lighting, ignition, charging system, starter, battery
Fuel System:
Fuel injection, fuel pump, lines, evaporative emissions system
Cooling System:
Radiator, water pump, thermostat, cooling fan, coolant specifications
Exhaust System:
Exhaust manifold, catalytic converter, muffler, emissions control
Body And Frame:
Body panel removal and installation, frame specifications, interior trim
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system diagnostics and repair
Safety Systems:
Airbag system (if equipped), seat belt maintenance
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, lubrication
Troubleshooting:
Diagnostic procedures, symptom-based troubleshooting charts, fault codes
Repair:
Component-level repair procedures, step-by-step instructions
Overhaul:
Complete engine and transmission rebuild procedures
Diagnostics:
On-Board Diagnostics (OBD-II) system information, diagnostic tool usage
Wiring Diagrams:
Comprehensive electrical wiring schematics for all systems
Specifications:
Torque specifications, clearances, adjustments
Depth:
Comprehensive, covering from basic maintenance to full engine and transmission rebuilds
Engine Code:
4.0L Inline 6-Cylinder (OHV)
Engine Name:
PowerTech I6
Displacement:
3952 cc (241 cubic inches)
Bore X Stroke:
3.875 x 3.414 inches (98.4 x 86.7 mm)
Horsepower:
190 hp @ 4600 RPM (approx.)
Torque:
235 lb-ft @ 3200 RPM (approx.)
Induction:
Electronic Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline, 87 octane minimum
Oil Type:
API SN or newer, SAE 5W-30
Oil Capacity:
6.0 US quarts (5.7 L) with filter change
Coolant Type:
Mopar OAT (Organic Additive Technology) Antifreeze/Coolant (blue) or equivalent
Coolant Capacity:
12.1 US quarts (11.4 L)
Transmission Type:
6-speed Manual Transmission (NSG370)
Transmission Type:
4-speed Automatic Transmission (42RLE)
Manual Clutch:
Hydraulic clutch actuation
Fluid Type:
Mopar ATF+4 (MS-9602) or equivalent
Fluid Capacity:
7.8 US quarts (7.4 L) dry fill
Fluid Type:
Mopar Manual Transmission Lubricant (MS-9224) or equivalent SAE 75W-90 synthetic
Fluid Capacity:
2.2 US quarts (2.1 L)
Oil Change Interval:
Every 3,000 miles or 3 months, whichever comes first (severe service may require more frequent changes)
Tire Rotation Interval:
Every 6,000 miles or 6 months
Transmission Fluid Change Auto:
Every 60,000 miles or 60 months
Transmission Fluid Change Manual:
Every 100,000 miles or 120 months
Transfer Case Fluid Change:
Every 60,000 miles or 60 months
Differential Fluid Change:
Every 60,000 miles or 60 months
Power Steering Fluid Type:
Mopar Power Steering Fluid or equivalent
Common Issues:
Common issues include potential leaks (oil pan, valve cover, rear main seal), steering box wear, heater core leaks, and occasional ignition coil failures. Some TJ models may experience 'death wobble' if steering or suspension components are worn.
