Target Audience:
DIY enthusiasts and professional mechanics
Value Proposition:
Inexpensive way to maintain and repair vehicle, dealer-level information
Instruction Format:
Step-by-step instructions with numbered steps and detailed illustrations
Visual Aid Emphasis:
Hundreds of photos, drawings, and enlarged inset views for clarity
Information Highlighting:
Notes, cautions, and warnings pinpoint critical information
Navigation:
Numbered table of contents for quick information retrieval
Delivery Method:
Instant high-speed download, no shipping costs or waiting
Engine Management:
Engine diagnostics, fuel system, ignition system, cooling system, lubrication, emissions control
Powertrain:
Automatic transmission, manual transmission, clutch, transfer case, propeller shaft, drive shafts, differential, axles
Suspension And Steering:
Front and rear suspension, steering column, power steering system, tire and wheel specifications
Brakes:
Brake control system, hydraulic brakes, parking brake
Electrical:
Charging system, starting system, lighting, instrumentation, multiplex/CAN communication, wiring diagrams
HVAC:
Air conditioning system diagnosis and repair
Safety Systems:
Supplemental restraint system (SRS), seat belts, engine immobilizer
Body And Interior:
Doors, hood, glass, mirrors, instrument panel, seats, exterior and interior trim, door locks, wiper and washer system, horn, cruise control
Maintenance Procedures:
Scheduled maintenance, fluid changes, filter replacements, inspections
Diagnostic Procedures:
Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation
Repair Procedures:
Step-by-step instructions for component removal, installation, and adjustment
Electrical Troubleshooting:
Detailed wiring diagrams, circuit testing, component testing
Depth:
Comprehensive from basic maintenance to complete engine and transmission rebuilds
Standard Transmission:
6-speed manual transmission
Optional Transmission:
4-speed automatic transmission
Transfer Case:
Command-Trac NV241G (standard), Rock-Trac NV241OR (Rubicon)
Automatic Transmission Fluid Type:
ATF+4 (Mopar)
Manual Transmission Fluid Type:
MS-9224 (GL-3/GL-4 equivalent for NV3550)
Wheelbase 2-Door:
95.4 inches (2423 mm)
Wheelbase 4-Door Unlimited:
116.0 inches (2946 mm)
Length 2-Door:
169.2 inches (4300 mm)
Length 4-Door Unlimited:
183.4 inches (4658 mm)
Width Body:
73.7 inches (1872 mm)
Height 2-Door:
70.9 inches (1801 mm)
Ground Clearance 2-Door:
9.7 inches (246 mm)
Curb Weight 2-Door Manual:
Approx. 4,180 lbs (1896 kg)
Gross Vehicle Weight Rating 2-Door:
Approx. 5,350 lbs (2427 kg)
NHTSA Rollover Rating 2-Door:
4 out of 5 stars
IIHS Crash Test Results:
Good in front and side impact tests (varies by year and specific test)
Electronic Stability Control:
Standard
Traction Control:
Standard
Anti-Lock Braking System:
Standard
Airbags Standard:
Front driver and passenger airbags
Seatbelts:
3-point front and rear seat belts
Infotainment Options Early Jk:
Basic AM/FM/CD player, optional Infinity speaker system, optional navigation (MyGIG system)
Driver Assistance Features:
Limited; primarily focused on core driving dynamics rather than advanced electronic aids
Connectivity Features:
Optional Uconnect hands-free communication (with MyGIG system)
Oil Change Interval:
Every 3,750 miles (6,000 km) or 6 months for severe duty, 7,500 miles (12,000 km) or 12 months for normal duty (check manual)
Tire Rotation Interval:
Every 7,500 miles (12,000 km)
Coolant Flush Interval:
Every 60,000 miles (96,000 km) or 5 years
Spark Plug Replacement Interval:
Approx. 100,000 miles (160,000 km) for platinum plugs
Engine Oil Specification:
SAE 5W-30 API SN or higher
Coolant Specification:
Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, HOAT compatible
Brake Fluid Specification:
DOT 3
Common Issues 3.8L Engine:
Water pump leaks, minor oil leaks, head gasket concerns (less common in this era)
Common Issues Transmission:
Clutch wear (manual), valve body issues (automatic - less frequent in early JK)
Common Issues Suspension:
Steering stabilizer issues, ball joint wear, track bar bushings
Common Issues Electrical:
Clock spring failure (airbag/horn), TIPM (Totally Integrated Power Module) issues (more prominent in later JK models but can be present)
Common Issues Body:
Wrangler leak concerns (top/doors), door hinge rust
Jeep Legacy:
Long lineage of off-road capable vehicles, originating from military origins
Jk Generation Introduction:
Introduced for the 2007 model year, representing a significant redesign from the TJ generation
Jk Design Changes:
Wider track, coil spring suspension front and rear, significantly larger interior, available 4-door Unlimited model
Manufacturing Location:
Toledo, Ohio, USA
