Segment:
Compact SUV / Off-Road Vehicle
Usp:
Unmatched off-road capability, iconic design, open-air experience
Key Competitors:
Toyota Tacoma (off-road variants), Ford Bronco (later generations), Land Rover Defender (classic models)
Drivetrain:
Part-time 4WD standard (Command-Trac, optional Rock-Trac)
Body Style:
2-door convertible, 4-door (Unlimited variants only in later years, not for 2004 TJ)
Suspension Type:
Solid front and rear axles with coil springs
Removable Tops:
Removable front panel (Sunrider soft top) and full removable soft/hard tops
Powertrain:
Engine (4.0L, 2.4L), Transmission (NV3550, NV241OR Transfer Case), Driveline, Axles
Chassis:
Suspension (Front/Rear Solid Axle), Steering, Brakes (ABS/Non-ABS), Wheels & Tires
Electrical:
Body Control Module (BCM), Powertrain Control Module (PCM), Lighting, Instrumentation, Power Accessories, Audio System
Body:
Exterior Body Panels, Interior Trim, Seats, Doors, Glass, Convertible Top System
Maintenance:
Fluid changes, filter replacements, tune-ups, lubrication
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs), testing procedures
Repair:
Component removal and installation, adjustments, calibration
Overhaul:
Engine rebuilds, transmission overhauls, differential rebuilds
Depth:
Comprehensive (Dealership Level)
Wiring Diagrams:
Included
Special Tools:
Specifies required special tools and their usage
Engine Code:
42RLE (4.0L Inline-6)
Engine Name:
PowerTech Inline 6
Displacement:
3952 cc (242 cubic inches)
Configuration:
Inline 6-cylinder, SOHC
Bore X Stroke:
91.1 mm x 101.5 mm (3.59 in x 4.00 in)
Horsepower Net:
190 hp @ 4600 rpm
Torque Net:
235 lb-ft @ 3200 rpm
Induction:
Sequential Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline (87 Octane Recommended)
Capacity:
9.5 Liters (10 Quarts)
Type:
Chrysler OAT (Organic Additive Technology) HOAT - Mopar 05103532AA or equivalent (Pink)
Spark Plugs:
NGK LZTR4A-11 or Champion RE10MCC4 (Gap: 0.044-0.048 inch)
Engine Code:
242 (2.4L DOHC)
Displacement:
2429 cc (148 cubic inches)
Configuration:
Inline 4-cylinder, DOHC, 16 valves
Horsepower Net:
150 hp @ 5200 rpm
Torque Net:
170 lb-ft @ 3800 rpm
Transmission Type:
NV3550 5-Speed Manual
Gear Ratios:
1st: 4.01, 2nd: 2.32, 3rd: 1.38, 4th: 1.00, 5th: 0.79, Reverse: 3.15
Fluid Type:
Mopar Manual Transmission Lubricant or equivalent (API GL-3/GL-4, SAE 75W-90)
Fluid Capacity:
2.2 Liters (2.3 Quarts)
Transmission Type:
42RLE 4-Speed Automatic
Fluid Type:
ATF+4 (Mopar 05013457AA or equivalent)
Fluid Capacity:
7.6 Liters (8 Quarts)
Transfer Case Model:
NV241OR (Off-Road) Rock-Trac
Transfer Case Gear Ratios:
2.72:1 (Low Range)
Transfer Case Fluid Type:
Mopar NV241OR Transfer Case Fluid or equivalent (API GL-5, SAE 75W-90)
Transfer Case Fluid Capacity:
1.9 Liters (2 Quarts)
Locking Differential:
Optional front and rear Dana 44 axles with Trac-Lok or optional electronic lockers (Rubicon model)
Wheelbase:
93.4 inches (2372 mm)
Length:
151.5 inches (3848 mm)
Width Body:
66.5 inches (1689 mm)
Height:
72.2 inches (1834 mm) (with soft top)
Ground Clearance:
10.1 inches (257 mm)
Curb Weight:
Approximately 3250-3600 lbs (1475-1630 kg)
Gross Vehicle Weight Rating Gvwr:
Approximately 4500 lbs (2041 kg)
Towing Capacity:
2000 lbs (907 kg)
Standard Tire Size:
LT215/75R15, P215/75R15, or P225/75R16
Standard Wheel Size:
15x7 inch or 16x7 inch
Bolt Pattern:
5x4.5 inch (5x114.3 mm)
NHTSA Driver Frontal Crash:
4 Stars (for 2004 model)
NHTSA Passenger Frontal Crash:
4 Stars (for 2004 model)
IIHS Frontal Offset:
Acceptable (for TJ generation)
ABS:
Standard on front brakes, optional on rear (RWD/4WD)
Airbags:
Driver and Passenger Frontal Airbags
Rollover Protection:
Integrated sport bar and windshield frame
Oil Change Interval:
Every 3,000-5,000 miles (4,800-8,000 km) or 6 months, whichever comes first (severe duty may require more frequent changes)
Engine Air Filter Replacement:
Every 15,000-30,000 miles (24,000-48,000 km) or as needed based on inspection
Cabin Air Filter Replacement:
Every 15,000-30,000 miles (24,000-48,000 km) or as needed
Spark Plug Replacement:
Every 60,000-100,000 miles (96,000-160,000 km) depending on plug type
Transmission Fluid Change:
Manual: Every 60,000 miles (96,000 km); Automatic: Every 30,000-60,000 miles (48,000-96,000 km) or more frequently for severe use.
Transfer Case Fluid Change:
Every 30,000-60,000 miles (48,000-96,000 km)
Differential Fluid Change:
Every 30,000-60,000 miles (48,000-96,000 km)
Engine Oil:
SAE 10W-30 (API SN or higher)
Power Steering Fluid:
Mopar Power Steering Fluid or equivalent (MS-5901)
Brake Fluid:
DOT 3 (Mopar 05143070AA or equivalent)
Common Problem 1:
Cracked exhaust manifold (especially on 4.0L)
Common Problem 2:
Water pump leaks
Common Problem 3:
Blend door actuator failure (HVAC)
Common Problem 4:
Leaf spring perches cracking (early TJ models)
Common Problem 5:
Oil filter adapter housing leaks
Jeep Legacy:
Direct descendant of the original WWII Willys MB Jeep
Tj Introduction:
Introduced for the 1997 model year, replacing the YJ generation.
Tj Distinguishing Features:
Return to iconic round headlights, coil spring suspension (replacing YJ's leaf springs)
Rubicon Trim:
Introduced in 2003 for the TJ, featuring Dana 44 axles, electronic disconnecting front sway bar, and 4:1 transfer case ratio.
Production Start Year:
1996 (for 1997 model year)
Production End Year:
2006
Manufacturing Location:
Toledo, Ohio, USA
Off Road Magazine Awards:
Consistently recognized by off-road publications for its capability
Consumer Reports Reliability:
Variable, often rated below average for older models due to off-road use and potential for wear and tear.