Segment:
Compact SUV / Off-Road Vehicle
Target Audience:
Enthusiasts, off-roaders, DIY mechanics, professional technicians
Competitors 2007:
Toyota FJ Cruiser, Nissan Xterra, Hummer H3
Off Road Capability:
Renowned for its off-road prowess, solid axles (front and rear), Command-Trac NV241 or optional Rock-Trac NV241 transfer case
Body Styles:
2-door (Wrangler) and 4-door (Wrangler Unlimited) configurations
Design Philosophy:
Iconic Jeep design, removable doors and top for open-air driving experience
Engine:
Complete engine diagnostics, overhaul, and repair procedures for all variants
Transmission:
Service and repair for manual and automatic transmissions, including transfer case
Drivetrain:
Front and rear axle service, differentials, driveshafts, and CV joints
Suspension:
Front and rear suspension systems, shock absorbers, springs, control arms, and steering linkage
Brakes:
Hydraulic brake system, ABS, electronic brake-force distribution (EBD), brake pad/rotor replacement, caliper service
Steering:
Power steering system, steering column, steering gear/rack and pinion
Electrical:
Complete electrical schematics, wiring diagrams, fuse box locations, component testing, lighting, starting, charging systems
Body:
Body panel removal/installation, interior trim, doors, windows, convertible top mechanisms
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis and repair
Comfort Convenience:
Power accessories, interior lighting, remote keyless entry
Restraint Systems:
Airbag system diagnosis and service, seatbelt mechanisms
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, lubrication points
Troubleshooting:
Diagnostic trouble codes (DTCs), symptom-based troubleshooting guides
Repair:
Step-by-step repair instructions for all major components and systems
Overhaul:
Detailed procedures for engine, transmission, and differential rebuilds
Diagnostics:
Advanced diagnostic procedures using scan tools and specific test equipment
Specifications:
Torque specifications, clearances, fluid capacities, and electrical values
Depth:
Comprehensive, from basic fluid checks to complete engine and transmission overhauls
Engine Name:
3.8L V6 (EGF)
Displacement:
3778 cc (230.5 cu. in.)
Bore X Stroke:
96.0 mm x 86.0 mm (3.78 in. x 3.39 in.)
Horsepower:
202 hp (151 kW) @ 5200 rpm
Torque:
237 lb-ft (321 Nm) @ 4000 rpm
Fuel Type:
Unleaded Regular (87 Octane)
Injection Type:
Sequential Multi-Port Fuel Injection (MPFI)
Emission Controls:
Catalytic converter, EGR (where applicable), oxygen sensors
Coolant Type:
Chrysler OAT (Organic Acid Technology) - Mopar 50/50 Antifreeze/Coolant, or equivalent HOAT
Oil Type:
SAE 5W-30 (API Certified)
Oil Capacity:
5.0 US quarts (4.7 liters) with filter
Type:
NGK Iridium (e.g., IFR5T11 or similar)
ECM:
NGC (Next Generation Controller) or similar Chrysler PCM
Transmission Type:
NSG370 6-Speed Manual Transmission
Transmission Type:
W5A580 5-Speed Automatic Transmission
Transfer Case:
NV241 G (Command-Trac) or NV241 OR (Rock-Trac) with 4:1 low range (Rock-Trac)
Fluid Type:
Chrysler Manual Transmission Fluid (MTF) or equivalent SAE 75W-85 GL-5
Fluid Type:
Chrysler ATF+4 (MS-9602)
Fluid Capacity:
2.4 US quarts (2.3 liters)
Fluid Capacity:
7.9 US quarts (7.5 liters) (dry fill)
Wheelbase 2Dr:
95.4 inches (2423 mm)
Wheelbase Unlimited:
116.0 inches (2947 mm)
Length 2Dr:
162.8 inches (4135 mm)
Length Unlimited:
183.4 inches (4658 mm)
Width:
73.7 inches (1872 mm)
Height:
70.1 inches (1781 mm) (soft top)
Ground Clearance:
Up to 10.5 inches (267 mm) depending on configuration
Curb Weight 2Dr Manual:
Approx. 3960 lbs (1796 kg)
Curb Weight Unlimited Auto:
Approx. 4430 lbs (2009 kg)
Max Payload 2Dr:
Approx. 800 lbs (363 kg)
Max Payload Unlimited:
Approx. 1000 lbs (454 kg)
Towing Capacity:
2000 lbs (907 kg) for 2-door, 3500 lbs (1588 kg) for 4-door Unlimited
NHTSA Rollover Resistance:
4 out of 5 stars (for specific configurations)
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Standard Electronic Roll Mitigation (ERM) and Electronic Stability Control (ESC)
Airbags:
Standard front airbags, optional side curtain airbags (on some models/trims)
Seatbelts:
3-point seatbelts with pretensioners
Rollover Protection:
Reinforced sport cage, frame-integrated rollover protection
Audio System:
Optional Infinity sound system, CD player, AM/FM radio, SiriusXM satellite radio capability
Navigation:
Optional Uconnect navigation system available on higher trims
Tire Pressure Monitoring:
Standard Tire Pressure Monitoring System (TPMS)
Auxiliary Input:
Standard auxiliary audio input jack
Oil Change Interval:
Every 6,000 miles (9,650 km) or 6 months, whichever comes first (under normal driving conditions)
Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months (under normal driving conditions)
Coolant Flush Interval:
Every 30,000 miles (48,000 km) or 24 months
Transmission Fluid Change Auto:
Every 30,000 miles (48,000 km) or 24 months (under severe driving conditions)
Transmission Fluid Change Manual:
Inspect every 15,000 miles (24,000 km), change as needed or every 45,000 miles (72,000 km)
Power Steering Fluid Type:
ATF+4 (MS-9602)
Differential Fluid Type:
API GL-5, SAE 75W-90 (check specific axle type for friction modifiers if limited-slip)
Common Wear Items:
Ball joints, tie rod ends, clutch wear (manual transmission), brake pad wear
Engine Related:
Oil leaks from valve cover or oil pan, potential camshaft position sensor issues
Transmission Related:
NSG370 clutch judder, potential issues with shifter linkage
Electrical Related:
Water intrusion into TIPM (Totally Integrated Power Module), issues with power window regulators
Jeep Legacy:
Continuity from WWII Willys Jeep, known for ruggedness and off-road capability
Jk Generation Intro:
2007 marked the introduction of the third generation Jeep Wrangler (JK), a significant redesign from the TJ.
Chassis Design:
First Wrangler generation to use a unibody-style construction for the body combined with a body-on-frame chassis for enhanced rigidity and on-road manners.
Unlimited Variant:
Introduction of the 4-door Wrangler Unlimited, significantly increasing practicality and market appeal.
Manufacturing Location:
Toledo, Ohio, USA