Segment:
        
        
            Compact/Mid-size SUV, highly capable off-road vehicle.
        
     
    
    
        
            Key Competitors 2007-2009:
        
        
            Toyota FJ Cruiser, Nissan Xterra, Hummer H3, Suzuki Grand Vitara (though less direct competitors).
        
     
    
    
        
            Iconic Design:
        
        
            Retains classic Jeep styling cues like the seven-slot grille, round headlights, and exposed hinges.
        
     
    
        
            Off Road Prowess:
        
        
            Renowned for its solid axles (front Dana 30, rear Dana 44 on many models), available 4x4 systems (Command-Trac, Rock-Trac), and impressive articulation.
        
     
    
        
            Versatility:
        
        
            Available in two-door and four-door (Unlimited) configurations, with removable doors, roof, and fold-down windshield for an open-air experience.
        
     
 
    
    
    
        
            Engine Mechanical:
        
        
            Full coverage of engine assembly, disassembly, diagnostics, and repair for all applicable engines.
        
     
    
        
            Engine Electrical:
        
        
            Ignition system, fuel injection, emission controls, cooling system, lubrication system, starting and charging systems.
        
     
    
        
            Transmission:
        
        
            Manual and automatic transmission service, repair, and overhaul procedures.
        
     
    
        
            Drivetrain:
        
        
            Transfer case, front and rear axles (Dana 30/44), driveshafts, CV joints, and differentials.
        
     
    
        
            Brakes:
        
        
            Hydraulic system, anti-lock braking system (ABS), brake pad/shoe replacement, caliper and rotor service, parking brake.
        
     
    
        
            Suspension:
        
        
            Front and rear suspension components, including coil springs, shock absorbers, control arms, and track bars.
        
     
    
        
            Steering:
        
        
            Power steering system, steering column, steering gear/rack and pinion, tie rods, and steering linkage.
        
     
    
        
            Body And Chassis:
        
        
            Frame, body panels, doors, hoods, fenders, bumpers, soft top/hard top systems, interior trim.
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, lighting, power distribution, comfort and convenience features, body control modules.
        
     
    
        
            HVAC:
        
        
            Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis and repair.
        
     
    
        
            Safety Systems:
        
        
            Airbag system diagnosis and replacement, seat belt mechanisms.
        
     
    
        
            Tire Pressure Monitoring:
        
        
            Diagnosis and resetting of the Tire Pressure Monitoring System (TPMS).
        
     
    
        
            Instrument Cluster:
        
        
            Service and diagnosis of gauges, warning lights, and the instrument cluster itself.
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements, fluid checks and changes, tire rotations, spark plug replacement.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures, symptom-based troubleshooting, error code interpretation.
        
     
    
        
            Component Repair Replacement:
        
        
            Detailed instructions for the removal, installation, and repair of virtually all mechanical and electrical components.
        
     
    
        
            Engine Rebuild:
        
        
            Complete engine disassembly, inspection, overhaul, and reassembly procedures.
        
     
    
        
            Transmission Rebuild:
        
        
            Detailed steps for overhauling both manual and automatic transmissions.
        
     
    
        
            Brake System Service:
        
        
            Replacement of brake pads, rotors, calipers, and bleeding the brake system.
        
     
    
        
            Suspension And Steering Repair:
        
        
            Replacement of ball joints, tie rod ends, shocks, springs, and steering components.
        
     
    
        
            Electrical Diagnostics:
        
        
            Tracing electrical faults, testing circuits, and diagnosing issues with ECUs and sensors.
        
     
    
        
            Bodywork And Trim Replacement:
        
        
            Guidance on removing and replacing exterior body panels and interior trim components.
        
     
    
        
            Wiring Diagrams:
        
        
            Comprehensive, color-coded wiring schematics for all vehicle systems.
        
     
    
        
            Drivetrain Component Repair:
        
        
            Repair and replacement of axle shafts, universal joints, wheel bearings, and differential assemblies.
        
     
    
        
            Body Hardware Replacement:
        
        
            Service for door hinges, latches, latches, hood mechanisms, and tailgate components.
        
     
    
        
            Chassis Lubrication:
        
        
            Procedures for greasing suspension and steering components (where applicable).
        
     
    
    
        
            Depth:
        
        
            Comprehensive, suitable for professional mechanics and advanced DIYers. Covers everything from basic maintenance to full overhauls and complex diagnostics.
        
     
 
    
    
    
        
            Engine 3.8L V6:
        
        
            3.8L OHV V6 (EGA series)
        
     
    
        
            Engine 3.8L V6 Displacement:
        
        
            3778 cc (230.5 cubic inches)
        
     
    
        
            Engine 3.8L V6 Bore X Stroke:
        
        
            96.0 mm x 86.0 mm
        
     
    
        
            Engine 3.8L V6 Compression Ratio:
        
        
            9.1:1
        
     
    
        
            Engine 3.8L V6 Horsepower 2007-2008:
        
        
            202 hp @ 5200 rpm
        
     
    
        
            Engine 3.8L V6 Horsepower 2009:
        
        
            202 hp @ 5200 rpm
        
     
    
        
            Engine 3.8L V6 Torque 2007-2008:
        
        
            237 lb-ft @ 4000 rpm
        
     
    
        
            Engine 3.8L V6 Torque 2009:
        
        
            237 lb-ft @ 4000 rpm
        
     
    
        
            Engine 3.8L V6 Block Material:
        
        
            Cast Iron
        
     
    
        
            Engine 3.8L V6 Cylinder Head Material:
        
        
            Aluminum
        
     
    
    
        
            Fuel Delivery:
        
        
            Multi-point Fuel Injection (MPI)
        
     
    
        
            Recommended Fuel:
        
        
            87 Octane Unleaded Gasoline
        
     
 
    
    
    
        
            Transmission 2Dr Std 2007-2009:
        
        
            6-speed Manual Transmission (NSG370)
        
     
    
    
        
            Transmission Auto Std 2007-2009:
        
        
            4-speed Automatic Transmission (42RLE)
        
     
    
    
        
            4X4 System Standard:
        
        
            Command-Trac NV241G (Part-time, 2-High, 4-High, Neutral, 4-Low)
        
     
    
        
            4X4 System Optional Rubicon:
        
        
            Rock-Trac NV241OR (Part-time, 2-High, 4-High, Neutral, 4-Low with 4:1 ratio)
        
     
 
    
    
    
        
            Length 2Dr:
        
        
            Approx. 160.0 inches (4064 mm)
        
     
    
    
        
            Length 4Dr Unlimited:
        
        
            Approx. 173.4 inches (4404 mm)
        
     
    
    
        
            Width Excluding Mirrors:
        
        
            Approx. 73.7 inches (1872 mm)
        
     
    
    
        
            Height With Hardtop:
        
        
            Approx. 72.4 inches (1839 mm)
        
     
    
    
        
            Wheelbase 2Dr:
        
        
            Approx. 95.4 inches (2423 mm)
        
     
    
    
        
            Wheelbase 4Dr Unlimited:
        
        
            Approx. 116.0 inches (2946 mm)
        
     
    
    
        
            Curb Weight 2Dr Est:
        
        
            Approx. 3,900 - 4,100 lbs (1769 - 1860 kg)
        
     
    
        
            Curb Weight 4Dr Unlimited Est:
        
        
            Approx. 4,200 - 4,500 lbs (1905 - 2041 kg)
        
     
    
    
        
            Ground Clearance Rubicon Est:
        
        
            Approx. 10.2 inches (259 mm)
        
     
 
    
    
        
        Service Intervals Engine Oil
    
 
    
        
            Oil Change Interval Est:
        
        
            Every 5,000 - 7,500 miles (8,000 - 12,000 km) or 6 months, whichever comes first, depending on driving conditions.
        
     
    
        
            Oil Filter Part Number Est:
        
        
            Mopar MO-899 / Wix 57855 / Fram CH10649 (check for specific engine fitment)
        
     
    
    
        
            Engine Oil Specification:
        
        
            SAE 5W-30 API SN or compatible (check owner's manual for exact specification)
        
     
    
        
            Engine Oil Capacity 3.8L V6:
        
        
            5 Quarts (4.7 Liters) with filter
        
     
    
        
            Transmission Fluid Auto:
        
        
            ATF+4 (Mopar)
        
     
    
        
            Transmission Fluid Manual:
        
        
            MS-9224 (Chrysler specification for manual transmission fluid)
        
     
    
        
            Transfer Case Fluid:
        
        
            NV241G/OR: Mopar NV241 Transfer Case Fluid or equivalent GL-4 SAE 75W-90
        
     
    
        
            Axle Fluid Front Rear:
        
        
            Hypoid Gear Lubricant SAE 80W-90 (API GL-5) with Friction Modifier for Limited Slip Differentials (if equipped)
        
     
    
        
            Coolant:
        
        
            Mopar Antifreeze/Coolant (HOAT) - OAT Yellow or equivalent meeting Chrysler MS-9769
        
     
    
    
        
            Clutch Wear Manual:
        
        
            Clutch wear can be accelerated with aggressive off-road use or frequent towing.
        
     
    
        
            Oil Cooler Lines:
        
        
            Some reports of oil cooler line leaks or damage, particularly on models with automatic transmissions.
        
     
    
        
            Evap System Leaks:
        
        
            Common for Check Engine Lights due to evaporative emission system leaks (e.g., gas cap, vent hose).
        
     
    
        
            Speedometer Accuracy:
        
        
            Aftermarket tire size changes can affect speedometer accuracy, often requiring recalibration.
        
     
    
        
            Wiper Motor Failure:
        
        
            Reports of premature wiper motor failure in some units.