Target Audience:
DIY mechanics, Jeep enthusiasts, and professional repair shops seeking detailed technical information for the 2007-2009 Jeep Wrangler.
Value Proposition:
Offers substantial cost savings compared to dealership labor rates by empowering owners to perform their own maintenance and repairs. Equivalent to professional shop manuals.
Illustrations:
Detailed illustrations and step-by-step instructions
Searchability:
Searchable PDF format for quick information retrieval
Accessibility:
Instant download after purchase, eliminating shipping delays.
Cost Savings:
Enables significant savings on labor costs ($50-$60+ per hour).
Engine:
All engine types (e.g., 3.8L V6)
Transmission:
Manual and Automatic Transmissions
Drivetrain:
Front & Rear Axles, Transfer Case, Driveshafts
Suspension:
Front and Rear Suspension, Steering System
Brakes:
Hydraulic Brake System, ABS
Electrical:
Complete Electrical Schematics, Lighting, Accessories, Powertrain Control Module (PCM), Body Control Module (BCM)
Body:
Body and Frame Repair, Exterior and Interior Trim, Doors, Windows, Seats
HVAC:
Heating, Ventilation, and Air Conditioning
Fuel System:
Fuel tank, fuel pump, injectors, evaporative emission control
Cooling System:
Radiator, water pump, thermostat, coolant
Lubrication System:
Oil pump, oil filter, lubrication passages
Exhaust System:
Exhaust manifolds, catalytic converters, mufflers
Wheels And Tires:
Wheel balancing, tire rotation, specifications
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections
Troubleshooting:
Diagnostic procedures, fault code interpretation, symptom-based troubleshooting
Repair:
Component removal, disassembly, assembly, installation, and adjustment for all systems
Diagnostics:
On-board diagnostics (OBD-II) procedures, scan tool usage
Wiring Diagrams:
Detailed electrical schematics for all circuits
Depth:
Comprehensive: from basic fluid checks to complete engine and transmission rebuilds, including advanced diagnostics and electrical troubleshooting.
Printability:
Fully printable, allowing users to print specific pages or the entire manual.
Recommended Binding:
User printable and bindable (e.g., 3-ring binder)
User Paper Recommendation:
Standard printer paper; heavier stock recommended for frequent reference pages.
Engine Code:
e.g., ERB (3.8L V6)
Engine Type:
3.8L V6 OHV (Overhead Valve)
Displacement:
3778 cc (231 cubic inches)
Bore X Stroke:
96.0 mm x 87.0 mm (3.78 in x 3.43 in)
Horsepower:
202 hp @ 5200 rpm (approx.)
Torque:
237 lb-ft @ 4000 rpm (approx.)
Fuel Delivery:
Sequential Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline, 87 octane minimum
NHTSA Rollover Resistance:
4/5 Stars (for both 2-door and 4-door models)
ABS:
Standard Anti-lock Braking System (ABS)
Esc:
Standard Electronic Stability Control (ESC)
Traction Control:
Standard Traction Control System (TCS)
Airbags:
Frontal airbags for driver and front passenger
Infotainment Options:
Base audio systems (e.g., AM/FM/CD), optional Infinity sound systems, Uconnect infotainment system availability varies by trim level.
Driver Assistance Features:
Limited driver assistance features for this era; primarily focused on core vehicle control.
Connectivity Options:
Auxiliary audio input jack standard on some models; Bluetooth connectivity available on higher trims with Uconnect.
Oil Change Interval:
Every 5,000 to 7,500 miles or 6 months, whichever comes first (refer to specific model year for exact recommendation).
Tire Rotation Interval:
Every 5,000 to 7,500 miles
Engine Coolant Flush:
Every 100,000 miles or 5 years (initial) with subsequent intervals based on coolant type.
Transmission Fluid Change:
Automatic: Every 60,000 to 100,000 miles; Manual: Inspect as needed, typically no scheduled interval but check for leaks.
Engine Oil Spec:
SAE 5W-30 Synthetic Motor Oil (meeting Chrysler MS-6395 spec)
Coolant Spec:
Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, Orange (MS-9769 spec)
Automatic Transmission Fluid Spec:
ATF+4 (MS-9602 spec)
Manual Transmission Fluid Spec:
Gear oil, SAE 75W-90 (GL-5 rated)
Common Problems:
Potential issues include death wobble (especially with modifications), oil filter housing leaks, PCM failures, and evaporator core leaks for HVAC.
Jeep Legacy:
The Jeep brand has a rich heritage of robust, go-anywhere off-road vehicles dating back to WWII.
Jk Generation Introduction:
The JK generation, introduced for the 2007 model year, marked a significant redesign from the TJ, featuring a coil-spring suspension all around and a larger chassis, including the introduction of the four-door Wrangler Unlimited.
Manufacturing Location:
Toledo, Ohio, USA