Segment:
Compact SUV / Off-Road Vehicle
Target Audience:
Enthusiasts, Off-Roaders, DIY Mechanics, Service Technicians
Key Competitors:
Toyota FJ Cruiser (discontinued), Nissan Xterra (discontinued), Land Rover Defender (international), Ford Bronco (later models)
Vehicle Philosophy:
Iconic off-road capability, rugged design, open-air driving experience.
Manual Value Proposition:
Authoritative guide for maintaining, diagnosing, and repairing the 2015 Jeep Wrangler, enabling cost savings and enhanced vehicle longevity.
Engine Options Covered:
3.6L V6 Pentastar
Transmission Options Covered:
6-Speed Manual (NSG 370), 5-Speed Automatic (W5A580)
Body Styles Covered:
2-Door (Wrangler), 4-Door (Wrangler Unlimited)
Type:
Factory Service Repair Workshop Manual
Powertrain:
Engine Mechanical, Fuel System, Ignition System, Exhaust System, Engine Control System (ECM)
Drivetrain:
Clutch, Manual Transmission (NSG 370), Automatic Transmission (W5A580), Transfer Case (NV241OR), Front Axle, Rear Axle, Driveshafts, Wheel Hubs
Chassis:
Suspension System (Front & Rear), Steering System, Brake System (Hydraulic & ABS), Wheels & Tires
Electrical:
Battery, Charging System, Starting System, Lighting System, Instrumentation, Body Control Module (BCM), Powertrain Control Module (PCM), Antitheft System, Wiper/Washer System, Audio System, Navigation System, Climate Control System (HVAC), Power Accessories (Windows, Locks, Mirrors)
Body:
Exterior Body Panels, Doors, Hood, Tailgate, Interior Trim, Seats, Glass, Bumpers, Frame & Underbody Protection
Maintenance:
Scheduled Maintenance, Oil & Filter Changes, Fluid Checks & Replacements, Brake Pad/Rotor Service, Spark Plug Replacement, Air Filter Replacement, Coolant Flush
Repair:
Engine Overhaul, Transmission Rebuilds, Differential Repair, Suspension Component Replacement, Brake System Bleeding & Component Replacement, Electrical Component Diagnosis & Replacement, Body Panel Repair & Replacement
Diagnostics:
Diagnostic Trouble Codes (DTCs), Symptom-Based Troubleshooting, Wiring Diagrams, Component Testing Procedures
Depth:
Comprehensive: Includes detailed step-by-step repair procedures, diagnostic flowcharts, specifications, torque values, and wiring diagrams for all major systems.
Engine Description:
3.6L Pentastar V6
Displacement:
3604 cc (220 cu in)
Bore X Stroke:
96.0 mm x 83.0 mm (3.78 in x 3.27 in)
Compression Ratio:
10.2:1
Valve Train:
SOHC, 24 Valves (4 per cylinder)
Horsepower:
285 hp @ 6400 rpm
Torque:
260 lb-ft @ 4800 rpm
Induction Type:
Sequential Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline, 87 Octane Recommended
Fuel Capacity:
18.6 US gallons (70.4 Liters)
Transmission Type:
6-Speed Manual (NSG 370)
Transmission Type:
5-Speed Automatic (W5A580)
Transfer Case:
NV241OR 'Rock-Trac' (Rubicon), NV241GII 'Command-Trac' (Sport, Sahara)
Gear Ratios Manual:
1st: 4.46, 2nd: 2.41, 3rd: 1.57, 4th: 1.00, 5th: 0.72, 6th: 0.79 (Reverse: 4.07)
Gear Ratios Automatic:
1st: 3.57, 2nd: 2.29, 3rd: 1.52, 4th: 1.00, 5th: 0.83 (Reverse: 3.16)
Axle Ratios:
3.21 (Standard), 3.73 (Optional/Rubicon), 4.10 (Optional)
Manual Transmission Fluid:
MS-9224 (or equivalent meeting Chrysler specification)
Automatic Transmission Fluid:
MS-9602 ATF+4
Transfer Case Fluid:
MS-9224 (or equivalent meeting Chrysler specification)
Wheelbase 2 Door:
95.4 inches (2423 mm)
Wheelbase 4 Door:
116.0 inches (2946 mm)
Length 2 Door:
160.0 inches (4064 mm)
Length 4 Door:
179.4 inches (4557 mm)
Width Without Doors:
73.7 inches (1872 mm)
Height:
72.1 inches (1831 mm)
Cargo Volume 2 Door Behind Rear Seat:
12.8 cu ft (362 L)
Cargo Volume 4 Door Behind Rear Seat:
31.5 cu ft (892 L)
Curb Weight 2 Door Manual:
4070 lbs (1846 kg)
Curb Weight 4 Door Automatic:
4500 lbs (2041 kg)
Towing Capacity:
Up to 2,000 lbs (907 kg) for 2-door, 3,500 lbs (1588 kg) for 4-door
Payload Capacity:
Approximately 800-1000 lbs depending on configuration
NHTSA Rollover Resistance:
4/5 Star
Standard Active Safety:
Electronic Stability Control (ESC), Traction Control System (TCS), Anti-lock Braking System (ABS), Hill Start Assist (HSA), Trailer Sway Control (TSC)
Available Safety Features:
ParkView Rear Back-Up Camera
Standard Passive Safety:
Front Airbags, Side Curtain Airbags (optional on 2-door, standard on 4-door), Three-point Seatbelts with Pretensioners, LATCH Child Seat Anchors
Infotainment Systems Available:
Uconnect 130 (AM/FM/CD/MP3), Uconnect 430 (AM/FM/CD/MP3/4.3-inch Touchscreen), Uconnect 430N (with Navigation), Uconnect 730N (with Navigation and 6.5-inch Touchscreen)
Connectivity Options:
Optional SiriusXM Satellite Radio, USB Port, Auxiliary Input Jack, Bluetooth Streaming Audio and Hands-Free Calling (on higher trims).
Available Driver Assistance:
Hill Descent Control (part of ESC system), ParkView Rear Back-Up Camera.
Oil Change Interval:
Every 6,000 miles or 6 months, whichever comes first, under normal driving conditions. Severe conditions may require more frequent changes.
Engine Air Filter:
Inspect every 15,000 miles, replace as needed (more often in dusty conditions).
Spark Plugs:
Typically every 100,000 miles for 3.6L Pentastar (check manual for exact specification).
Coolant Flush:
Every 100,000 miles or 5 years, whichever comes first.
Brake Fluid Flush:
Every 30,000 miles or 2 years, whichever comes first.
Engine Oil Specification:
SAE 5W-30, meeting Chrysler MS-6395 or API SN certified.
Engine Oil Capacity:
6.0 US quarts (5.7 Liters) with filter change.
Coolant Specification:
MOPAR OAT (Orange) Antifreeze/Coolant, 50/50 mix with distilled water.
Brake Fluid Specification:
DOT 3
Common Wear Items:
Clutch wear (manual transmission), ball joints, tie rod ends, sway bar links, evap system leaks (common on older JK models), oil filter housing leaks.
Pentastar Engine Considerations:
While generally reliable, some early Pentastar engines experienced minor oil filter housing leaks or exhaust manifold cracks, which are well-documented in the service manual.
Jeep Legacy:
Jeep's heritage dates back to World War II with the Willys MB, establishing its reputation for ruggedness and off-road capability.
Jk Generation:
The JK generation, introduced for the 2007 model year, marked a significant modernization of the Wrangler, offering a more refined interior and improved on-road manners while retaining its core off-road prowess.
2015 Model Updates:
The 2015 model year saw minor updates including new standard features for certain trims and potential minor packaging adjustments.
Assembly Location:
Toledo, Ohio, USA