Market Position:
The Jeep Wrangler is an iconic off-road vehicle, renowned for its ruggedness, capability, and distinctive design. This manual caters to owners and technicians who maintain or repair this specialized vehicle.
Competitive Analysis:
While competitors like the Toyota 4Runner offer off-road prowess, the Wrangler maintains a unique position due to its body-on-frame construction, solid axles (on previous generations), and open-air driving experience. This manual provides the in-depth factory knowledge necessary for its specific engineering.
Key Features:
This workshop manual provides unparalleled access to the factory-specified procedures for maintaining and repairing the 2013-2015 Jeep Wrangler JK. It is a critical resource for ensuring optimal performance, longevity, and safety of this highly capable vehicle.
Engine Coverage:
All gasoline engine variants
Transmission Coverage:
Manual and Automatic transmissions
Drivetrain Coverage:
2WD and 4WD systems, transfer case, axles
Body And Chassis Coverage:
Frame, body panels, interior trim, doors, glass, convertible top systems
Electrical System Coverage:
Wiring diagrams, ECUs, lighting, charging system, starting system, audio systems
Suspension Coverage:
Front and rear suspension, steering system, shock absorbers, springs
Braking System Coverage:
ABS, disc brakes, drum brakes (if applicable), parking brake
HVAC Coverage:
Heating, Ventilation, and Air Conditioning systems
Fuel System Coverage:
Fuel tank, fuel pump, fuel injectors, fuel lines
Exhaust System Coverage:
Exhaust manifolds, catalytic converter, mufflers, piping
Safety Systems Coverage:
Airbags, seatbelts, basic diagnostics for safety-related components
Page Count:
Estimated 2000+ pages (typical for full factory manual)
Manual Type:
Factory Service and Repair Workshop Manual
Format:
Digital Download (PDF)
Systems Covered:
Engine mechanical, engine control, fuel delivery, ignition, cooling, exhaust, transmission (manual & auto), drivetrain, suspension, steering, brakes (incl. ABS), electrical systems, body controls, HVAC, interior and exterior components, maintenance procedures.
Procedures Included:
Routine maintenance, inspection, diagnostics, troubleshooting, component removal and installation, adjustments, component overhaul, electrical circuit repair, chassis lubrication, torque specifications, service data.
Technical Depth:
Comprehensive factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Includes detailed diagrams, schematics, diagnostic trouble codes (DTCs), and step-by-step repair instructions.
File Format:
PDF (Portable Document Format)
Print Quality:
High-resolution, printable pages suitable for professional printing or on-screen viewing.
Binding Type:
Not applicable (digital download)
Paper Type:
Not applicable (digital download)
Primary Engine:
3.6L Pentastar V6
Horsepower:
285 hp @ 6400 rpm
Torque:
260 lb-ft @ 4800 rpm
Fuel System Type:
Electronic Multi-Port Fuel Injection (MPI)
Engine Code:
Pentastar V6 (EVD)
Bore Stroke:
3.72 in x 3.35 in (94.5 mm x 85.0 mm)
Compression Ratio:
10.0:1
Valve Train:
Dual Overhead Camshafts (DOHC), 4 valves per cylinder
Cooling System Capacity:
Approx. 10.0 quarts (9.5 liters) with 50/50 coolant/water mix
Oil Capacity:
6.9 quarts (6.5 liters) with filter change
Recommended Oil:
SAE 5W-30 Synthetic (refer to manual for specific Mopar/API specs)
Standard Transmission:
6-Speed Manual (NSG370)
Optional Transmission:
5-Speed Automatic (W5A580 / 5G-TRONIC)
Features:
Command-Trac NV241G or Rock-Trac NV241OR transfer cases, Dana 30 front axle, Dana 44 rear axle (Rubicon models have Dana 44 front and rear).
Manual Transmission Fluid
Manual Transmission Fluid:
Refer to manual for specific NSG370 fluid type (typically specialized manual transmission fluid)
Automatic Transmission Fluid
Automatic Transmission Fluid:
MOPAR ATF+4 (MS-9602) or equivalent
Transfer Case Fluid:
MOPAR NV241G/NV241OR Transfer Case Fluid or equivalent (refer to manual for exact spec)
Wheelbase:
116.0 inches (2946 mm) for 4-door models, 95.4 inches (2423 mm) for 2-door models
Length:
173.4 inches (4404 mm) for 2-door, 193.4 inches (4912 mm) for 4-door
Width:
73.7 inches (1872 mm)
Height:
72.4 inches (1839 mm)
Cargo Volume Behind Rear Seat:
31.5 cu ft (4-door), 17.2 cu ft (2-door)
Curb Weight:
Approx. 4100-4600 lbs (1850-2080 kg) depending on configuration
Towing Capacity:
Up to 2000 lbs (907 kg) for 2-door, up to 3500 lbs (1588 kg) for 4-door
Standard Wheel Size:
16-inch or 17-inch alloy or steel wheels
Standard Tire Size:
LT255/75R17 (common for Sahara/Rubicon), LT225/75R16 (Sport)
Wheel Bolt Pattern:
5x5 inches (5x127 mm)
NHTSA Rollover Rating:
4 out of 5 stars (JK Unlimited 4-door)
Active Features:
Electronic Stability Control (ESC), Traction Control System (TCS), Anti-lock Braking System (ABS), Hill Start Assist (HSA), Electronic Roll Mitigation (ERM).
Passive Features:
Driver and front passenger airbags, front side-impact airbags (optional), three-point seat belts with pretensioners.
Infotainment Options:
Uconnect infotainment system with touchscreens ranging from 4.3-inch to 6.5-inch, SiriusXM Satellite Radio, USB/Auxiliary input ports, Bluetooth connectivity.
Driver Assistance Features:
Hill Start Assist (HSA), Hill Descent Control (HDC) on Rubicon models, optional ParkView Rear Back-Up Camera, Tire Pressure Monitoring System (TPMS).
Connectivity Features:
Bluetooth streaming audio and hands-free calling, USB ports for device charging and media playback.
Oil Change Interval:
Every 10,000 miles (16,000 km) or 12 months, whichever comes first (using synthetic oil)
Tire Rotation Interval:
Every 7,500 miles (12,000 km)
Engine Air Filter Replacement:
Inspect every 15,000 miles (24,000 km), replace as needed or every 30,000 miles (48,000 km)
Cabin Air Filter Replacement:
Inspect every 15,000 miles (24,000 km), replace as needed or every 30,000 miles (48,000 km)
Spark Plug Replacement:
100,000 miles (160,000 km) for Pentastar 3.6L V6
Coolant Type:
MOPAR OAT (Organic Additive Technology) Antifreeze/Coolant (MS-9769)
Power Steering Fluid Type:
MOPAR Power Steering Fluid (MS-5901) or equivalent DEXRON III/MERCON
Known Issues:
Examples may include occasional water pump leaks (common on early Pentastar), potential for exhaust manifold cracks (less common on later JK models), and specific electrical gremlins. The manual details diagnostic procedures for these and all other potential issues.
Brand Heritage:
Jeep has a storied history dating back to World War II, synonymous with ruggedness, off-road capability, and freedom. The Wrangler is the direct descendant of the original Willys MB.
Model Evolution:
The JK generation, introduced for the 2007 model year, represented a significant modernization over the TJ, featuring a longer wheelbase (especially the 4-door Unlimited), coil springs on all four corners, and more refined interior and powertrain options, while retaining its iconic Jeep DNA.
Production Location:
Toledo North Assembly Plant, Toledo, Ohio, USA
