Positioning:
The Jeep Wrangler JK is an iconic off-road focused SUV, known for its go-anywhere capability and open-air driving experience. This manual is essential for owners and technicians looking to maintain, repair, and troubleshoot these vehicles.
Competitors:
Toyota FJ Cruiser (discontinued), Ford Bronco (later generations), Suzuki Samurai (historical)
Manual Value Proposition:
Provides factory-level diagnostic and repair information, empowering users to perform a wide range of tasks, saving on labor costs and ensuring correct procedures are followed.
Vehicle Characteristics:
Body-on-frame construction, solid front and rear axles (on most configurations), removable doors and roof, advanced 4x4 systems (e.g., Command-Trac, Rock-Trac).
Primary Coverage:
North America
Additional Coverage:
Global (technical specifications are largely universal)
Estimated Pages:
Hundreds (specific count not provided, but described as very detailed with hundreds of pages)
Type:
Service Repair Workshop Manual (Factory)
Delivery Format:
Downloadable PDF
Accessibility:
Compatible with Windows and MAC computers, tablets, and smartphones
Usage License:
Lifetime use on unlimited devices, no expiry dates, no renewal fees
Version:
Full, unlimited version
Powertrain:
Engine, Drivetrain (4x4 System), Transmission, Transfer Case, Differentials, Axles
Chassis:
Suspension (Front and Rear), Steering System, Brake System, Frame and Body Mounting
Electrical:
Wiring Diagrams, Lighting, Instrumentation, Power Distribution, Charging System, Starting System, Powertrain Control Module (PCM), Body Control Module (BCM), HVAC Control, Audio Systems, Power Accessories
Body:
Exterior Body Panels, Doors, Hood, Tailgate, Bumpers, Interior Trim, Seats, Glass
Comfort And Convenience:
HVAC System, Power Windows, Power Locks, Remote Keyless Entry, Cruise Control
Maintenance:
Routine Inspections, Fluid Changes (Oil, Coolant, Brake Fluid, Transmission Fluid, Transfer Case Fluid, Differential Fluid), Filter Replacements, Lubrication
Repair:
Engine Overhaul, Transmission Rebuild, Drivetrain Component Replacement, Suspension and Steering Repair, Brake System Overhaul, Electrical Component Diagnosis and Replacement, Body Panel Repair
Troubleshooting:
Diagnostic Fault Codes (DTCs), Symptom-based Diagnosis, Component Testing, Wiring Harness Troubleshooting
Diagnostics:
Detailed diagnostic procedures for all major systems, including power and ground checks, signal tracing, and component resistance checks.
Depth:
Comprehensive (from basic maintenance to complete engine and transmission rebuilds)
Illustrations:
Hundreds of detailed photos and exploded diagrams
Instructions:
Step-by-step instructions for all procedures
Engine Code:
3.6L V6 Pentastar (ERB)
Engine Displacement:
3.6 liters (3604 cc)
Engine Configuration:
V6, 24-valve, SOHC with variable valve timing (VVT)
Horsepower:
285 hp @ 6,400 rpm
Torque:
260 lb-ft @ 4,800 rpm
Fuel Delivery:
Multi-point Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline
Oil Type:
SAE 5W-30 Synthetic Motor Oil
Oil Capacity:
5.5 US quarts (5.2 liters) with filter change
Coolant Type:
Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, 5-Year/100,000-Mile Formula (or equivalent meeting MS-12106 specification)
Coolant Capacity:
Approximately 10.5 US quarts (9.9 liters)
Transmission Type:
6-Speed Manual Transmission (NSG 370)
Transmission Type:
5-Speed Automatic Transmission (W5A580)
4X4 System:
Command-Trac NV241 G (standard) or Rock-Trac NV241 OR (optional on Rubicon models)
Manual Transmission Fluid:
Mopar Manual Transmission Lubricant (or equivalent meeting MS-9224 specification)
Automatic Transmission Fluid:
Mopar ATF+4 (or equivalent meeting MS-9602 specification)
Transfer Case Fluid:
Mopar NV241 Transfer Case Lubricant (or equivalent meeting MS-9224 specification)
Front Axle Fluid:
Mopar Hypoid Gear Lubricant (SAE 80W-90) with friction modifier for LSD/Trac-Lok equipped axles
Rear Axle Fluid:
Mopar Hypoid Gear Lubricant (SAE 80W-90) with friction modifier for LSD/Trac-Lok equipped axles
NHTSA Rollover Resistance:
4 out of 5 stars (for both 2-door and 4-door models)
Standard Safety:
Electronic Roll Mitigation (ERM), Electronic Stability Control (ESC), Traction Control System (TCS), Anti-lock Brake System (ABS), Hill Start Assist (HSA)
Airbags:
Driver and front passenger airbags, available side curtain airbags (on some models/trims)
Infotainment Systems:
Uconnect systems with touchscreens (e.g., 430N, 730N), SiriusXM Satellite Radio, optional navigation.
Driver Assistance Features:
Hill Descent Control (HDC) on Rubicon models, Trailer Sway Control (TSC).
Connectivity Options:
Auxiliary audio input jack, optional USB port, Bluetooth streaming and hands-free calling.
Oil Change Interval:
Every 10,000 miles (16,000 km) or 12 months, whichever comes first (using synthetic oil)
Engine Air Filter Replacement:
Every 30,000 miles (48,000 km) or as needed based on driving conditions
Cabin Air Filter Replacement:
Every 15,000-20,000 miles (24,000-32,000 km) or annually
Spark Plug Replacement:
Every 100,000 miles (160,000 km)
Transmission Fluid Change Auto:
Inspect every 60,000 miles (96,000 km), replace as needed or recommended based on driving severity.
Transmission Fluid Change Manual:
Inspect every 60,000 miles (96,000 km), typically a longer service life than automatics, but consult manual for specifics.
Transfer Case Fluid Change:
Inspect every 60,000 miles (96,000 km)
Differential Fluid Change:
Inspect every 60,000 miles (96,000 km), especially important if used for frequent off-roading.
Common Wear Items:
Clutch wear (manual transmission), ball joints, wheel bearings, exhaust system components (due to off-road use and weather exposure).
Pentastar V6 Issues:
Some early models experienced oil filter housing leaks or oil cooler issues, which are generally well-documented in service bulletins and addressed by the manual.
Electrical Gremlins:
Water ingress into certain electrical connectors or modules can cause intermittent issues, particularly in older or heavily used off-road vehicles.
Jeep Legacy:
Jeep has a rich heritage dating back to World War II, synonymous with ruggedness, off-road capability, and freedom.
Jk Generation Introduction:
The JK generation of the Wrangler was introduced for the 2007 model year, marking a significant redesign with a coil-spring suspension and a larger chassis compared to its TJ predecessor.
Jk Facelift 2011:
Received a significant update for the 2011 model year, including interior enhancements and the introduction of the 3.6L Pentastar V6 engine for 2012, which is standard for the 2013-2016 models.
Manufacturing Plant:
Toledo Complex, Toledo, Ohio, USA
