Market Position:
The Jeep Wrangler JK (2007-2018) is an iconic off-road vehicle renowned for its capability and ruggedness. This specific manual targets owners and independent repair shops looking to perform comprehensive service and repairs on the 2013-2016 model years, which saw the introduction of the Pentastar V6 and the highly capable EcoDiesel engine.
Competitive Analysis:
In a segment dominated by capable SUVs, the Wrangler JK stands out for its pure off-road prowess and distinct styling. Competitors like the Toyota 4Runner, Toyota FJ Cruiser (discontinued during this period), and Nissan Xterra offer varying levels of off-road capability and utility, but none match the Wrangler's open-air experience and heritage. This manual provides essential data for maintaining and repairing these specific powertrain options which were key selling points for the JK generation.
Key Features:
This manual's key feature is its comprehensive coverage of two distinct and popular engine options for the JK generation: the robust 3.6L Pentastar V6 and the torque-rich 3.0L EcoDiesel V6. Its digital, downloadable format offers immediate access and flexibility for printing and device compatibility, making DIY repairs more accessible and cost-effective.
Coverage Areas:
All models, engines, trims, and transmission types
Page Count:
Not specified, but described as 'complete' and covering procedures A-Z.
Manual Type:
Complete Workshop Service Repair Manual
Format:
Downloadable Digital File (compatible with PC, MAC, tablets, smartphones)
Systems Covered:
Engine mechanical (3.0L EcoDiesel, 3.6L Pentastar), engine performance, fuel system, cooling system, exhaust system, lubrication system, ignition system, emission control systems, automatic and manual transmissions, transfer case, driveline components, axles, suspension (front and rear), steering system, braking system (ABS, standard), electrical system (wiring diagrams, charging, starting, lighting, body control modules, instrument cluster), body and chassis (frame, body panels, doors, interior trim, seats, glass, HVAC system), diagnostics and troubleshooting, maintenance procedures.
Procedures Included:
Routine maintenance, inspection, component removal and installation, adjustments, troubleshooting, diagnostics, repair procedures, system overhauls, electrical circuit diagnosis, wiring harness repair, component testing, torque specifications, capacities, fluid types, specifications, and detailed step-by-step instructions with diagrams and pictures.
Technical Depth:
Comprehensive from basic maintenance to advanced diagnostics and complete engine/transmission rebuilds. Includes factory-level repair information and technical specifications.
Primary Engine 3 6L Pentastar
Engine Name:
3.6L Pentastar V6
Displacement:
3604 cc (220 cu in)
Horsepower Est:
285 hp @ 6400 rpm
Torque Est:
260 lb-ft @ 4800 rpm
Fuel System:
Sequential Multi-Port Fuel Injection (MPI)
Valvetrain:
Dual Overhead Camshafts (DOHC), 24 valves (4 per cylinder)
Compression Ratio:
10.2:1
Induction:
Naturally Aspirated
Secondary Engine 3 0L Ecodiesel
Engine Name:
3.0L EcoDiesel V6
Displacement:
2987 cc (182 cu in)
Horsepower Est:
240 hp @ 3600 rpm
Torque Est:
442 lb-ft @ 1600-2400 rpm
Fuel System:
Common Rail Direct Injection (CRDI) with Turbocharger
Valvetrain:
Dual Overhead Camshafts (DOHC), 24 valves (4 per cylinder)
Compression Ratio:
16.0:1
Induction:
Turbocharged with Intercooler
Transmission Type:
Covered for both Automatic and Manual transmissions, specific models vary by engine and trim. Likely includes 6-speed manual and 5-speed automatic (for 3.6L) and 8-speed automatic (for 3.0L EcoDiesel).
Transmission Features:
Manual covers gear ratios, clutch operation, torque converter lock-up (automatic), transmission fluid types and capacities, removal and installation procedures, and internal component repair.
Wheelbase:
2-door (JK): 95.4 inches (2423 mm); 4-door (JKU): 116.0 inches (2946 mm)
Length Est:
2-door: ~169.0 inches (4293 mm); 4-door: ~179.5 inches (4559 mm)
Width Est:
~73.7 inches (1872 mm) (body)
Height Est:
~72.5 inches (1841 mm) (with hardtop)
Curb Weight Est:
Varies by configuration, typically 3,900 - 4,800 lbs (1769 - 2177 kg)
Towing Capacity Est:
3500 lbs (1588 kg) for 2-door; 2000 lbs (907 kg) for 4-door (varies by specific configuration and trailer brake requirements)
Payload Capacity Est:
Varies by configuration, typically 800 - 1000 lbs (363 - 454 kg)
NHTSA Front Impact Est:
4-star (driver), 5-star (passenger) for 2013-2014 models; specific ratings may vary by year.
IIHS Side Impact Est:
Acceptable for some configurations.
Active Features:
Anti-lock Braking System (ABS), Traction Control System (TCS), Electronic Stability Control (ESC) with Roll Mitigation, Hill Start Assist (HSA), Trailer Sway Control (TSC).
Passive Features:
Front airbags (driver and passenger), optional side curtain airbags, advanced multi-stage front airbags, tire pressure monitoring system (TPMS).
Infotainment System:
Uconnect infotainment system, available with 6.5-inch touchscreen, AM/FM/CD/MP3 player, SiriusXM satellite radio, USB/Auxiliary input, Bluetooth connectivity. Higher trims offered navigation and enhanced audio systems.
Driver Assistance Features:
ParkView Rear Back-Up Camera, ParkSense Rear Park Assist (optional).
Connectivity Options:
Bluetooth for hands-free calling and audio streaming, USB port for device charging and media playback, SiriusXM Travel Link (subscription required).
Service Intervals 3 6L Pentastar
Oil Change Interval:
Every 10,000 miles (16,000 km) or 12 months, whichever comes first (using synthetic oil).
Air Filter Replacement:
Inspect every 15,000 miles (24,000 km), replace as needed. Recommended replacement every 30,000 miles (48,000 km) under severe conditions.
Spark Plug Replacement:
Replace at 100,000 miles (160,000 km) for original equipment plugs (Iridium).
Service Intervals 3 0L Ecodiesel
Oil Change Interval:
Every 10,000 miles (16,000 km) or 12 months, whichever comes first (using synthetic diesel oil).
Fuel Filter Replacement:
Replace every 20,000 miles (32,000 km) or as indicated by the vehicle's system.
Engine Coolant Replacement:
Initial replacement at 100,000 miles (160,000 km), then every 50,000 miles (80,000 km).
Fluid Specifications Engine Oil
Engine Oil Spec 3 6L:
SAE 0W-20, API SN, Chrysler MS-6395
Engine Oil Spec 3 0L Td:
SAE 5W-30 or 0W-30 (depending on climate), API CJ-4 or CK-4, ACEA C3, Chrysler MS-11116
Fluid Specifications Coolant
Coolant Spec:
Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, HOAT approved, blue color (Chrysler MS-9769 or equivalent).
Fluid Specifications Transmission Auto
Automatic Transmission Fluid Spec 5Spd:
ATF+4 (Chrysler MS-9602)
Automatic Transmission Fluid Spec 8Spd:
ATF 8HP (ZF proprietary, often equivalent to Mopar 8&9 Speed ATF, MS-9602)
Fluid Specifications Transfer Case
Transfer Case Fluid Spec:
Mopar NV241G HD, NP241, or NP230 transfer case fluid, or equivalent (often MIL-PRF-2105D spec)
Common Issues 3 6L:
Oil filter housing leaks, intake manifold issues, power steering pump leaks, potential for cracked cylinder heads (early models), clutch wear (manual).
Common Issues 3 0L Td:
Diesel Particulate Filter (DPF) regeneration issues, AdBlue/DEF system faults, potential injector issues, glow plug problems, exhaust gas recirculation (EGR) system issues, turbocharger wear.
Brand Heritage:
Jeep has a storied history dating back to its origins in military vehicles during World War II. The Wrangler nameplate directly evolved from the legendary CJ (Civilian Jeep) series, inheriting its rugged, go-anywhere reputation.
Model Evolution:
The JK generation, introduced in 2007, represented a significant modernization for the Wrangler. Key updates for the 2011 model year included interior improvements, and for 2012, the introduction of the powerful 3.6L Pentastar V6. The 3.0L EcoDiesel was introduced later in the JK's lifecycle, offering enhanced fuel efficiency and torque.
Production Period:
2007-2018
Production Location:
Toledo, Ohio, USA
