Vehicle Segment:
Compact SUV, Off-road vehicle
Key Competitors:
Toyota Tacoma (in terms of off-road capability, though different segment), Nissan Xterra (discontinued), Ford Bronco (later models)
Off Road Capability:
Renowned for its off-road prowess, solid front and rear axles, robust 4x4 systems (Command-Trac, Rock-Trac on Rubicon).
Versatility:
Available in 2-door (Wrangler) and 4-door (Wrangler Unlimited) configurations, removable doors and roof for open-air driving.
User Base:
Designed for professional technicians, DIY enthusiasts, and owners seeking in-depth maintenance and repair knowledge.
Source:
Authentic factory service manual, identical to what dealership technicians use.
Engine:
Engine mechanical, fuel system, ignition system, emissions control, cooling system, lubrication system
Transmission:
Automatic transmission (5-speed 5-45RFE/NAG1), Manual transmission (6-speed NSG370), transfer case (NV241OR 'Rubicon', NV135/NV141 'Sport/Sahara')
Drivetrain:
Front axle, rear axle (Dana 30/44), differentials, driveshafts, CV joints, U-joints
Brakes:
Front disc brakes, rear disc brakes, ABS, traction control, stability control, parking brake
Suspension Steering:
Front solid axle with coil springs, rear solid axle with coil springs, shocks, control arms, steering system, power steering
Electrical:
Battery, charging system, starting system, lighting, instrumentation, body control module (BCM), power windows, locks, wipers, horn, trailer towing wiring
HVAC:
Heating, ventilation, air conditioning (HVAC) system, refrigerant handling
Body:
Body panels, doors, windows, seats, interior trim, bumpers, convertible top systems
Chassis:
Frame, body mounts, exhaust system, fuel tank, fuel lines
Maintenance:
Oil changes, filter replacements, fluid checks and changes, tire rotation, brake inspection, belt inspection/replacement
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation, component testing procedures
Repair:
Component removal and installation, rebuild procedures, adjustments
Technical Specifications:
Torque specifications, clearances, tolerances, wiring diagrams, diagnostic charts
Depth:
Comprehensive: from basic maintenance to complex engine and transmission rebuilds, electrical system diagnostics, and body repairs.
Engine Code:
3.6L Pentastar V6 (JK36)
Engine Type:
V6, SOHC, 24-valve
Displacement:
3.6 Liters (3604 cc)
Horsepower:
285 hp @ 6400 rpm
Torque:
260 lb-ft @ 4800 rpm
Fuel Delivery:
Sequential Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline, 87 octane recommended
Ignition Type:
Distributorless ignition system (DIS) with individual coil-on-plug (COP)
Coolant Type:
Mopar Antifreeze/Coolant (OAT) 5 Year/100,000 Mile Formula (Blue)
Oil Type:
SAE 5W-30 Synthetic Motor Oil
Oil Capacity:
6.9 Quarts (6.5 Liters) with filter change
Transmission Type:
6-Speed Manual Transmission (NSG370)
Transmission Type:
5-Speed Automatic Transmission (5-45RFE / NAG1 - Mercedes-Benz derived)
Manual Clutch Fluid:
DOT 3 Brake Fluid
Automatic Transmission Fluid Type:
Mopar ATF+4 or equivalent (for 5-45RFE) / ATF 4455 or equivalent (for NAG1)
Transfer Case Fluid:
NV241OR/NV135/NV141: Mopar NV241 Transfer Case Lubricant or equivalent (e.g., SAE 75W-90 Synthetic)
Wheelbase 2Door:
95.4 inches (2423 mm)
Wheelbase 4Door:
116.0 inches (2947 mm)
Ground Clearance Rubicon:
10.2 inches (259 mm)
Cargo Volume 2Door:
9.8 cubic feet (with rear seat up)
Cargo Volume 4Door:
31.5 cubic feet (with rear seat up)
Curb Weight 2Door:
Approx. 4,170 lbs (1,891 kg)
Curb Weight 4Door:
Approx. 4,500 lbs (2,041 kg)
NHTSA Rollover Resistance 2Door:
4/5 stars
NHTSA Rollover Resistance 4Door:
4/5 stars
ABS:
Standard Anti-lock Braking System
Esp:
Standard Electronic Stability Control (ESC)
Traction Control:
Standard Traction Control System (TCS)
Hill Start Assist:
Standard
Airbags:
Driver and front passenger airbags, optional side curtain airbags (2-door), standard side curtain airbags (4-door)
Seatbelts:
3-point seat belts with pretensioners
Infotainment Options:
Uconnect infotainment system with touchscreen options (e.g., 430N with navigation), SiriusXM Satellite Radio, Alpine premium audio system.
Driver Assistance Features:
Hill Start Assist, Hill Descent Control (on certain trims).
Connectivity Features:
Bluetooth connectivity for hands-free calling and audio streaming.
Oil Change Interval:
Every 10,000 miles or 12 months, whichever comes first (using synthetic oil)
Tire Rotation Interval:
Every 6,000 miles or 6 months
Cabin Air Filter:
Every 15,000 miles or 12 months
Spark Plugs:
3.6L Pentastar: Typically around 100,000 miles (check manual for specific recommendation)
Power Steering Fluid:
Mopar Power Steering Fluid or equivalent
Coolant:
Mopar Antifreeze/Coolant (OAT) 5 Year/100,000 Mile Formula (Blue)
Death Wobble:
This is a common term referring to severe steering shimmy, often linked to worn steering components (track bar, ball joints, tie rod ends) or improper alignment/tire balance, particularly after modifications.
Oil Cooler Leaks:
Potential for leaks at the oil cooler lines, especially on the Pentastar V6.
Water Pump:
Some early Pentastar engines experienced premature water pump failures, often integrated with the timing cover.
Jeep Legacy:
Jeep's heritage dates back to World War II with the Willys MB, establishing a legacy of robust, off-road capable vehicles.
Jk Introduction:
The JK generation was introduced for the 2007 model year, replacing the TJ Wrangler. It marked the first significant redesign in decades, with a longer wheelbase and wider track.
Pentastar Engine Introduction:
The 3.6L Pentastar V6 engine was introduced for the 2012 model year, significantly improving power and fuel efficiency over the previous 3.8L V6.
Assembly Location:
Toledo Complex, Toledo, Ohio, USA