Vehicle Segment:
Compact Sport Utility Vehicle (SUV), Off-road focused
Brand Focus:
Jeep's core identity of off-road capability and ruggedness.
Key Competitors:
Toyota Tacoma (in off-road variants), Suzuki Samurai (historical), Ford Bronco (historical)
Iconic Design:
Seven-slot grille, round headlights, exposed hinges, removable doors and top.
Off Road Capability:
Solid front and rear axles, advanced 4x4 systems (Command-Trac, Selec-Trac, Rock-Trac), high ground clearance.
Manual Utility:
Provides dealership-level technical data and procedures essential for maintaining and repairing the iconic Jeep Wrangler.
Powertrain:
Engine (4.0L Inline-6, 2.4L Inline-4), Transmission (NV3550 5-speed manual, 42RLE 4-speed automatic), Transfer Case (NV241OR "Rubicon" / NV231), Differentials (Dana 30 Front, Dana 44 Rear)
Chassis:
Suspension (Solid Axle, Coil Springs, Control Arms, Track Bars), Steering (Power Steering System), Brakes (Front Disc, Rear Disc), Frame and Body Mounting
Electrical:
Wiring Diagrams, Lighting, Ignition System, Starting System, Charging System, Battery, Fuses, Relays, Instrument Cluster, Power Accessories (windows, locks), HVAC Controls
Body:
Body Panels, Doors, Hood, Tailgate, Interior Trim, Seats, Convertible Top System, Bumpers
Routine Maintenance:
Oil Changes, Filter Replacements, Fluid Level Checks and Top-offs, Tire Rotation, Brake Pad Inspection, Spark Plug Replacement
Diagnostic Troubleshooting:
System-specific diagnostic flowcharts, pinpoint tests for electrical issues, engine performance diagnostics, transmission troubleshooting
Repair Rebuild:
Engine overhaul, transmission and transfer case rebuilds, brake system repairs, suspension component replacement, steering system service, electrical component repair
Installation Replacement:
Component replacement procedures for all major systems, including torque specifications and alignment procedures
Depth Of Coverage:
Comprehensive; covers everything from basic maintenance to full engine and transmission rebuilds, including detailed diagnostic information.
Searchability:
Searchable text content for quick information retrieval.
Printability:
Printable pages for offline use and workshop convenience.
Image Resolution:
High-resolution images and diagrams for clarity.
Binding:
Not Applicable (Digital Format)
Paper Type:
Not Applicable (Digital Format)
Engine 1 Name:
4.0L High Output Inline-6
Engine 1 Displacement:
3952 cc (241 cubic inches)
Engine 1 Bore X Stroke:
98.4 mm x 86.7 mm (3.875 in x 3.414 in)
Engine 1 Compression Ratio:
8.8:1
Engine 1 Horsepower:
190 hp @ 4600 rpm
Engine 1 Torque:
235 lb-ft @ 3200 rpm
Engine 2 Name:
2.4L DOHC Inline-4 (PowerTech)
Engine 2 Displacement:
2429 cc (148 cubic inches)
Engine 2 Horsepower:
147 hp @ 5200 rpm
Engine 2 Torque:
165 lb-ft @ 4000 rpm
Fuel Delivery:
Sequential Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline
Coolant Type:
Mopar OAT (Orange) Antifreeze/Coolant, 5-Year/100,000 Mile Formula (MS-9801)
Engine Oil Type:
SAE 5W-30 (API Certified)
Standard Transmission Type:
NV3550 5-Speed Manual
Standard Transmission Fluid:
ATF+4 (MS-9602)
Optional Transmission Type:
42RLE 4-Speed Automatic
Optional Transmission Fluid:
ATF+4 (MS-9602)
Transfer Case Options:
NV231 Command-Trac (2WD/4WD Part-Time), NV241OR Rock-Trac (4WD Part-Time with 4:1 low range on Rubicon)
Transfer Case Fluid:
Mopar Transfer Case Lubricant (MS-9224) or equivalent
NHTSA Rollover Resistance:
3 stars (often higher with specific configurations)
ABS:
Standard on all models
Traction Control:
Available on some models
Airbags:
Driver and Passenger Front Airbags
Seatbelts:
Three-point front seat belts with pretensioners, lap belts in rear
Audio System Options:
AM/FM Cassette with CD Player, optional Infinity speaker system.
Display:
Basic digital display for radio and clock, analog gauges for speedometer, tachometer, fuel, and temperature.
Cruise Control:
Available on higher trim levels
Aux Input:
Not standard; aftermarket solutions common.
Power Windows Locks:
Available on higher trim levels
Oil Change Interval:
Every 3,750 miles or 6 months (severe service); 7,500 miles or 12 months (normal service)
Engine Air Filter Replacement:
Every 15,000 miles or 12 months (severe service); 30,000 miles or 24 months (normal service)
Spark Plug Replacement 4.0L:
Every 30,000 miles
Transmission Fluid Change:
Automatic: 30,000 miles or 24 months (severe service). Manual: Refer to manual, typically longer intervals or as needed.
Power Steering Fluid:
Mopar Power Steering Fluid (MS-5914) or equivalent ATF+4
Axle Differential Fluid Front Rear:
SAE 75W-90 (GL-5) Gear Lubricant. Add friction modifier for limited-slip differentials if equipped.
Common Wear Items:
Worn control arm bushings, U-joints, sway bar links, clutch wear (manual transmission).
Engine Specific:
Oil filter bypass valve issues on 4.0L, occasional intake manifold gasket leaks (4.0L).
Transmission Specific:
Clutch pedal safety switch issues (manual), potential internal wear on higher mileage 42RLE automatic transmissions.
Electrical Common:
Corrosion on grounds, HVAC blower motor resistor failures, occasional ABS sensor issues.
Jeep Legacy:
Direct descendant of the WWII Willys MB Jeep, known for its unparalleled off-road capability.
Wrangler Tj Generation:
Second generation Wrangler (1997-2006), transitioning from leaf springs to coil springs for improved on-road manners while retaining off-road prowess.
Significant Updates Tj:
Introduction of the 4-door Unlimited model (2004), upgraded interior for 2003 model year.
Manufacturing Plant:
Toledo, Ohio, USA
