Market Position:
The Jeep Wrangler JK (2007 model year) represented a significant evolution for the iconic off-road vehicle, introducing a longer wheelbase and more refined interior compared to its predecessor. It solidified its position as the benchmark for rugged, trail-capable SUVs, appealing to both dedicated off-road enthusiasts and those seeking a distinctive, capable all-purpose vehicle.
Competitive Analysis:
The Wrangler JK competed primarily in the compact SUV segment but carved its own niche due to its unparalleled off-road prowess. While rivals like the Toyota FJ Cruiser and Nissan Xterra offered some off-road capability, the Wrangler's body-on-frame construction, solid axles (on many models), and legendary 4x4 systems set it apart. This manual provides the essential technical information for owners to maintain and repair this unique vehicle.
Key Features:
The 2007 Wrangler JK introduced the 'four-door Unlimited' variant, significantly increasing its practicality and appeal to a broader market. It offered a choice of powerful yet durable engines and a robust chassis designed for extreme conditions. This workshop manual is a crucial tool for preserving these capabilities.
Coverage Areas:
All Models, All Engines, All Trim Levels, All Transmission Types
Page Count:
Not Specified (Comprehensive A-Z Coverage Implied)
Manual Type:
Workshop Service Repair Manual
Format:
Downloadable (PDF compatible)
Delivery Method:
Instant Email Delivery after payment confirmation.
Customer Satisfaction:
Guaranteed
Systems Covered:
Engine Mechanical, Engine Performance, Fuel System, Cooling System, Lubrication System, Exhaust System, Ignition System, Starting System, Charging System, Transmission (Manual & Automatic), Driveline, Axles, Suspension (Front & Rear), Steering System, Brakes (ABS & Non-ABS), Body & Chassis, Electrical System, Climate Control, Interior Trim, Exterior Trim, Powertrain Control Module (PCM), Body Control Module (BCM), Diagnostic Procedures, Torque Specifications, Wiring Diagrams
Procedures Included:
Routine Maintenance, Scheduled Service, Component Removal & Installation, Troubleshooting & Diagnostics, Repair Procedures, Overhaul Procedures, Electrical System Diagnosis, Wiring Harness Repair, Emission Control Systems, Safety System Checks, Alignment Specifications, Torque Wrench Usage, Fluid Capacities & Specifications
Technical Depth:
Comprehensive (From basic maintenance to complete engine and transmission rebuilds, including in-depth electrical diagnostics and bodywork repair)
Troubleshooting Depth:
Includes detailed diagnostic flowcharts and procedures for common and uncommon faults across all major vehicle systems.
Wiring Diagrams Availability:
Comprehensive wiring diagrams for electrical systems, engine control, lighting, and accessories are included.
File Format:
PDF (Compatible with Adobe Reader)
Print Quality:
High Quality (Supports printing of individual pages, chapters, or the entire manual)
Binding Type:
N/A (Digital Download)
Paper Type:
N/A (Digital Download)
Computer Requirements:
All PC & MAC Computers, tablets, mobile phones. Requires Adobe Reader (free download available).
Searchability:
Searchable PDF format allows for quick access to specific information.
Primary Engine 1:
2.8L CRD (Common Rail Diesel) Turbocharged Diesel I4
Primary Engine 2:
3.8L PowerTech V6 (Chrysler EGH)
Engine 1 Horsepower:
Approx. 177 hp (130 kW) @ 3800 rpm (for 2.8L CRD)
Engine 1 Torque:
Approx. 300-330 lb-ft (400-450 Nm) @ 1600-2600 rpm (for 2.8L CRD, depending on tune)
Engine 2 Horsepower:
Approx. 202 hp (151 kW) @ 5200 rpm (for 3.8L V6)
Engine 2 Torque:
Approx. 237 lb-ft (321 Nm) @ 4000 rpm (for 3.8L V6)
Fuel System 1:
Common Rail Direct Injection (CRDI) with Turbocharging (for 2.8L CRD)
Fuel System 2:
Sequential Multi-Port Fuel Injection (MPI) (for 3.8L V6)
Engine Code Diesel:
VM Motori R 428 DOHC (Commonly used in other Chrysler/Jeep products)
Engine Code Gasoline:
Chrysler EGH (3.8L V6)
Emission Control Diesel:
Catalytic Converter, EGR (Exhaust Gas Recirculation), Diesel Particulate Filter (DPF) may be present depending on market
Emission Control Gasoline:
Catalytic Converter, EGR, Secondary Air Injection
Engine 1 Displacement:
2.8 Liters (2776 cc)
Engine 2 Displacement:
3.8 Liters (3778 cc)
Transmission Standard:
6-Speed Manual (NSG370 for most models)
Transmission Optional:
4-Speed Automatic (42RLE)
Transmission Features:
Command-Trac NV241 GII (2-speed transfer case with 4WD Hi/Lo) or optional Rock-Trac NV241ORHD (for Rubicon models) with higher-ratio low range.
Fluid Spec Manual Transmission:
Mopar Manual Transmission Lubricant (or equivalent API GL-4 SAE 75W-90)
Fluid Spec Automatic Transmission:
Mopar ATF+4 (MS-9602)
Length 2Door:
Approx. 169.4 inches (4303 mm)
Length 4Door:
Approx. 179.4 inches (4557 mm)
Width Excluding Mirrors:
Approx. 73.7 inches (1872 mm)
Height:
Approx. 72.4 inches (1839 mm)
Wheelbase 2Door:
Approx. 95.4 inches (2423 mm)
Wheelbase 4Door:
Approx. 116 inches (2947 mm)
Curb Weight Start:
Approx. 3,929 lbs (1782 kg) for 2-door Sport
Curb Weight End:
Approx. 4,659 lbs (2113 kg) for 4-door Rubicon Unlimited
Cargo Volume Behind Rear Seat 2Door:
Approx. 12.4 cu ft (0.35 m³)
Cargo Volume Behind Rear Seat 4Door:
Approx. 31.5 cu ft (0.89 m³)
Cargo Volume Max 2Door:
Approx. 56.5 cu ft (1.60 m³)
Cargo Volume Max 4Door:
Approx. 83.4 cu ft (2.36 m³)
NHTSA Front Impact Driver:
4-Star (2007 Model Year)
NHTSA Front Impact Passenger:
4-Star (2007 Model Year)
IIHS Front Offset Score:
Good (2007 Model Year)
Active Features:
4-Wheel ABS (Anti-lock Braking System), Traction Control, Electronic Stability Control (ESC), Trailer Sway Control (Optional)
Passive Features:
Front Airbags (Driver & Passenger), Side Curtain Airbags (Optional/Later Availability), Seatbelt Pretensioners
Chassis Safety Features:
Body-on-frame construction for enhanced crashworthiness, Roll Bar/Cage integrated into the structure.
Infotainment System 2007:
Base models typically featured a basic AM/FM/CD stereo system. Optional upgrades included Sirius Satellite Radio, a premium Infinity sound system, and in-dash navigation units became available on higher trims or as dealer-installed options.
Driver Assistance Features:
For 2007, advanced driver assistance systems were limited. Key features included ABS, Traction Control, and Electronic Stability Control. Parking assist sensors were not standard.
Connectivity Options:
Early JK Wranglers offered basic connectivity via auxiliary audio inputs. Bluetooth integration was not a standard factory feature on most 2007 models but could be added via aftermarket solutions or specific dealer options.
Oil Change Interval Gasoline:
Every 5,000 to 7,500 miles (8,000 to 12,000 km) or 6 months, whichever comes first (depending on driving conditions and oil type used).
Oil Change Interval Diesel:
Every 7,500 to 10,000 miles (12,000 to 16,000 km) or 6 months, whichever comes first (recommended synthetic oil).
Service Intervals General
Tire Rotation Interval:
Every 5,000 to 7,500 miles (8,000 to 12,000 km)
Cabin Air Filter Replacement:
Every 12,000 to 15,000 miles (19,000 to 24,000 km) or annually
Engine Oil Spec Gasoline:
SAE 5W-30 (API SN or newer, MS-6395 approved)
Engine Oil Spec Diesel:
SAE 5W-40 (API CJ-4 or CK-4, ACEA C3 recommended)
Coolant Type:
Mopar OAT (Orange) Antifreeze/Coolant, 5/150,000 Formula (MS-9769)
Brake Fluid Type:
DOT 3 (or DOT 4, if specified for certain ABS systems)
Power Steering Fluid:
Mopar Power Steering Fluid (MS-5901 or equivalent)
Known Issues 3.8L V6:
The 3.8L V6 is generally reliable but can suffer from oil leaks (valve cover gaskets, oil pan gasket), occasional misfires due to coil pack issues, and exhaust manifold cracks under extreme heat cycles. Transmission cooling can be a concern during sustained heavy towing.
Known Issues 2.8L Crd:
The 2.8L CRD diesel is known for its torque but requires meticulous maintenance. Potential issues include injector problems, turbocharger wear, and issues with the diesel particulate filter (DPF) if not properly regenerated. EGR valve clogging is also common.
Common Wear Items:
Clutch components (manual transmission), front suspension components (ball joints, tie rod ends) due to off-road use, brake pads and rotors, sway bar links.
Brand Heritage:
Jeep boasts a legendary heritage dating back to World War II, known for producing rugged, go-anywhere military vehicles. This legacy directly informs the design and capability of all Jeep models, especially the Wrangler.
Model Evolution:
The JK generation, introduced for the 2007 model year, marked a significant departure from the TJ. It was the first Wrangler to be offered with four doors (Wrangler Unlimited) and featured a chassis designed for better on-road manners while retaining its off-road DNA. It was the first major redesign since the TJ's 1996 introduction.
Production Location:
Toledo, Ohio, USA
Production Years Jk Generation:
2007-2018
Recognitions 2007:
While specific awards for the 2007 model year are numerous, the Jeep Wrangler JK consistently received accolades for its off-road capability and 'most capable production SUV' status from various automotive publications and enthusiast groups.
Ratings 2007:
The JK platform earned high marks for its robust chassis and excellent off-road geometry from reviewers, though on-road comfort and refinement were noted as areas where it lagged behind mainstream SUVs.