Segment:
Compact/Mid-size SUV
Key Competitors 2007-2009:
Toyota FJ Cruiser, Nissan Xterra, Hummer H3, Ford Bronco (older generations), Suzuki Grand Vitara
Design Philosophy:
Iconic Jeep design, rugged capability, removable doors and roof, solid axles (front and rear - earlier JK models may differ slightly in some configurations)
Target Audience:
Off-road enthusiasts, adventure seekers, those who value durability and open-air driving.
Powertrain:
Engine, Fuel System, Exhaust System, Transmission, Drivetrain, Differentials, Axles
Chassis:
Suspension (Front & Rear), Steering, Brakes (ABS, Parking Brake), Frame & Body
Electrical:
Wiring Diagrams, Battery, Charging System, Ignition System, Lighting, Instrumentation, Body Control Modules, Powertrain Control Modules (PCM)
Comfort And Convenience:
HVAC, Seats, Doors, Windows, Mirrors, Wipers, Locks, Audio System
Maintenance:
Oil Changes, Filter Replacements, Fluid Checks & Changes, Spark Plug Replacement, Belt Inspections
Repair:
Engine Overhaul, Transmission Rebuild, Brake Caliper Replacement, Suspension Component Replacement, Electrical Component Diagnosis & Repair
Diagnostics:
Troubleshooting guides, DTC (Diagnostic Trouble Code) explanations, symptom-based diagnostics
Technical Specifications:
Torque specifications, clearances, fluid capacities, electrical schematics
Depth:
Comprehensive, from basic fluid checks to complete engine and transmission overhauls, including detailed diagnostic procedures.
Engine Name:
Chrysler ERB V6
Displacement:
3.8 Liters (3778 cc)
Configuration:
Naturally Aspirated, SOHC, 12-Valve V6
Horsepower:
202 hp @ 5200 rpm (approx.)
Torque:
237 lb-ft @ 4000 rpm (approx.)
Induction:
Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline
Recommended Octane:
87 Octane
Coolant Type:
Mopar Antifreeze/Coolant (OAT - Organic Additive Technology) or equivalent, typically HOAT purple or orange depending on service history.
Oil Capacity:
5 Quarts (4.7 Liters) with filter change (approx.)
Type:
42RLE 4-Speed Automatic
Type:
NV3550 5-Speed Manual
Automatic Transmission Fluid:
ATF+4 (MS-9602)
Manual Transmission Fluid:
MS-9224 SAE 75W-90 Synthetic Gear Lubricant
Type:
NV241 GHC Command-Trac (2-speed, part-time 4WD)
Fluid Type:
MS-9224 SAE 75W-90 Synthetic Gear Lubricant
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 (4660 mm)
Width Excluding Mirrors:
73.7 inches (1872 mm)
Height To Top Of Hardtop:
70.1 inches (1780 mm)
Ground Clearance:
10.5 inches (267 mm) (approx., depending on trim and tires)
Curb Weight 2 Door:
4,117 lbs (1,867 kg) (approx.)
Curb Weight 4 Door Unlimited:
4,465 lbs (2,025 kg) (approx.)
Towing Capacity:
2,000 lbs (907 kg) for 2-door, 3,500 lbs (1,588 kg) for 4-door Unlimited
Payload Capacity:
800-1000 lbs (approx.)
NHTSA Front Driver Impact:
4 stars (for 2007 model year, may vary slightly for subsequent years)
NHTSA Front Passenger Impact:
4 stars (for 2007 model year, may vary slightly for subsequent years)
IIHS Moderate Overlap Frontal Offset:
Good (for 2007 model year, may vary slightly for subsequent years)
ABS:
Standard 4-wheel disc brakes with ABS
Traction Control:
Standard Electronic Stability Control (ESC) including Traction Control (TC) and Roll Mitigation
Airbags:
Front driver and passenger airbags, available side curtain airbags (depending on trim and configuration)
Rollover Protection:
Integrated roll bar structure
Audio System:
Base AM/FM/CD stereo; optional Infinity sound system, SiriusXM Satellite Radio, navigation system (Uconnect system introduced later).
Standard Features:
ABS, ESC, Traction Control, Hill Start Assist (on manual transmission models).
Auxiliary Input:
Standard auxiliary audio input jack (3.5mm) on most models.
Oil Change Interval:
Every 6,000 miles (9,600 km) or 6 months, whichever comes first, under normal driving conditions. Severe duty may require more frequent changes.
Engine Air Filter Replacement:
Every 30,000 miles (48,000 km) or as needed based on inspection.
Spark Plug Replacement:
Every 100,000 miles (160,000 km) for Iridium spark plugs (if equipped).
Transmission Fluid Change Automatic:
Every 60,000 miles (96,000 km) or 60 months, inspect more frequently under severe use.
Transmission Fluid Change Manual:
Every 60,000 miles (96,000 km) or 60 months, inspect more frequently under severe use.
Power Steering Fluid:
CHRYSLER MS-5901 or equivalent
Engine Lifters:
Some early 3.8L V6 engines have reported issues with noisy lifters (though less common than previous engines).
Heater Core Leaks:
Can be susceptible to heater core leaks, particularly in older units.
Transmission Shifting:
Occasional reports of hard shifting or delayed engagement in the 42RLE automatic transmission.
Water Pump:
While generally reliable, water pump failures can occur, necessitating replacement.
Legacy:
Jeep's heritage dates back to WWII with the Willys MB, establishing a long-standing reputation for off-road capability and ruggedness.
Generation Start:
The JK generation of the Wrangler debuted for the 2007 model year, marking a significant redesign from the TJ generation.
Key Changes 2007:
Introduction of the 4-door Unlimited model, significantly longer wheelbase and improved on-road manners, modern interior design, and the new 3.8L V6 engine.
Manufacturing Plant:
Toledo, Ohio, USA
