Market Position:
The Jeep Wrangler JK is a highly capable off-road focused SUV, known for its ruggedness and go-anywhere ability. This manual caters to owners and technicians who require in-depth knowledge for maintaining and repairing this iconic vehicle.
Competitive Analysis:
Competes with vehicles like the Toyota FJ Cruiser, Nissan Xterra, and Hummer H3 in its segment. The Wrangler JK distinguishes itself with its traditional body-on-frame construction and exceptional off-road performance.
Key Features:
Emphasis on off-road capability, removable doors and roof, solid front axle (on many models), and iconic Jeep styling.
Coverage Areas:
Engine, Transmission, Drivetrain, Brakes, Suspension, Steering, Electrical System, Body, HVAC, Fuel System, Cooling System, Exhaust System, Diagnostics, Troubleshooting, Maintenance, Repair, Overhaul
Manual Type:
Factory Service Repair Workshop Manual
Licensing Terms:
Lifetime Use, No Expiry, No Renewal Fees
Accessibility:
Instantly downloadable, allowing immediate access to repair and maintenance information.
Systems Covered:
Engine mechanical, Engine control system (PCM/ECM), Fuel system, Ignition system, Emission control system, Cooling system, Lubrication system, Starting system, Charging system, Manual transmission, Automatic transmission, Transfer case, Front axle, Rear axle, Driveshafts, Suspension (front and rear), Steering system, Braking system (ABS, hydraulic), Exhaust system, HVAC system, Body electrical, Lighting, Body panels, Interior trim, Restraint systems (Airbags), Diagnostics and troubleshooting for all systems
Procedures Included:
Scheduled maintenance, Routine servicing, Component inspection, Removal and installation of all major and minor components, Engine overhaul, Transmission overhaul, Differential repair, Brake caliper and rotor replacement, Suspension component replacement, Steering linkage repair, Electrical component testing and replacement, Diagnostic trouble code (DTC) lookup and resolution, Wiring diagrams, Component location diagrams, Torque specifications for all fasteners, Special tool requirements
Technical Depth:
Comprehensive, suitable for professional mechanics and experienced DIY enthusiasts. Covers basic maintenance to complete engine and transmission rebuilds, including in-depth diagnostic procedures and electrical system troubleshooting.
Diagnostic Procedures:
Detailed troubleshooting guides, symptom-based diagnostics, and procedures for using diagnostic scan tools to retrieve and interpret fault codes.
Searchability:
Searchable text content
Multi Device Usage:
Can be used on multiple computers and devices simultaneously
Device Compatibility:
Compatible with all Windows and MAC computers, tablets, and smartphones
Print Ability:
Printable (single pages or entire manual)
Content Details:
Hundreds of pages with detailed photos, diagrams, and exploded views
Diagram Quality:
High-resolution, detailed exploded diagrams and step-by-step photographic illustrations.
Engine Displacement 2.8L:
2.8 Liters (2777 cc)
Engine Type 2.8L:
Turbodiesel Inline-4 (VM Motori R428 / CRD)
Engine Displacement 3.8L:
3.8 Liters (3778 cc)
Engine Type 3.8L:
Naturally Aspirated V6 (Chrysler EGD)
Fuel Type 3.8L:
Unleaded Gasoline
Horsepower 2.8L:
Approx. 160-177 hp (depending on market/tune)
Torque 2.8L:
Approx. 300-330 lb-ft (depending on market/tune)
Horsepower 3.8L:
Approx. 202 hp @ 5200 rpm
Torque 3.8L:
Approx. 237 lb-ft @ 4000 rpm
Fuel System 2.8L:
Common Rail Direct Injection (CRD)
Fuel System 3.8L:
Multi-point Fuel Injection (MPI)
Engine Codes 3.8L:
EGD (3.8L V6)
Engine Codes 2.8L:
CRD (2.8L Turbodiesel)
NHTSA Front Impact Rating:
4-star (driver), 4-star (passenger)
NHTSA Side Impact Rating:
4-star (front and rear passengers)
IIHS Small Overlap Front Rating:
Not Rated (vehicle pre-dates comprehensive testing of this type)
Active Safety Features:
Anti-lock Braking System (ABS), Traction Control System (TCS), Electronic Stability Control (ESC)
Passive Safety Features:
Front airbags, Roll bar (integrated into B-pillars and windshield frame), Seat belts with pretensioners
Infotainment System 2008:
Basic AM/FM/CD stereo, optional SiriusXM Satellite Radio, optional navigation system (MyGIG system on some trims).
Driver Assistance Features:
Limited by modern standards; features include ABS, Traction Control, and Electronic Stability Control. No advanced driver-assistance systems (ADAS) like adaptive cruise control or lane keeping assist.
Connectivity Options:
Basic connectivity with optional Bluetooth for hands-free calling on equipped models.
Oil Change Interval Gasoline:
Every 3,000 miles or 3 months (severe duty), 5,000 miles or 6 months (normal duty), or as indicated by oil life monitor.
Oil Change Interval Diesel:
Every 5,000 miles or 6 months (severe duty), 7,500 miles or 12 months (normal duty), or as indicated by oil life monitor.
Tire Rotation Interval:
Every 6,000 to 8,000 miles
Engine Coolant Flush:
Every 30,000 to 100,000 miles (depending on coolant type and vehicle history)
Engine Oil 3.8L:
SAE 5W-30 (API SN or newer, ILSAC GF-5)
Engine Oil 2.8L:
SAE 5W-40 (API CJ-4 or ACEA C3 compliant)
Transmission Fluid Automatic:
Mopar ATF+4 (or equivalent)
Transmission Fluid Manual:
Mopar Manual Transmission Lubricant (or equivalent GL-4 rated)
Transfer Case Fluid:
Mopar NV241 Transfer Case Lubricant (or equivalent)
Differential Fluid Front Rear:
SAE 80W-90 GL-5 (or SAE 75W-140 for synthetic, especially if towing)
Coolant:
Mopar OAT Antifreeze/Coolant (Orange) - 5 year/100,000 mile service life
Known Issues Common:
Death Wobble (steering/suspension related), Clutch wear (manual transmission), Leaky valve cover gaskets, Catalytic converter issues, Wiper motor failure, HVAC blend door actuator failure, Oil cooler line leaks (diesel models), Glow plug issues (diesel models)
Oil Filter 3.8L:
Mopar 05038041AA or equivalent (e.g., Wix 57712)
Oil Filter 2.8L:
Mopar 68048553AA or equivalent
Air Filter:
Mopar 68005337AA or equivalent (e.g., Wix 49051)
Cabin Air Filter:
Mopar 68052455AA or equivalent (if equipped)
Brand Heritage:
Jeep has a long and storied history dating back to its origins in World War II, known for producing rugged, off-road capable vehicles.
Model Evolution:
The JK generation of the Wrangler replaced the TJ generation. It introduced a longer wheelbase, wider track, and a more modern interior and chassis, while retaining its core off-road DNA. It was produced from 2007 to 2018.
Production Location:
Toledo, Ohio, USA
