Segment:
Mid-size Luxury SUV
Positioning Wk Generation:
The WK generation represented a significant step up in refinement, technology, and on-road comfort compared to its predecessor, while retaining Jeep's renowned off-road capabilities.
Key Competitors:
Ford Explorer, Toyota Highlander, Nissan Pathfinder, Chevrolet TrailBlazer, Lexus RX, BMW X5, Mercedes-Benz ML-Class
Platform:
Shared Mercedes-Benz M-Class (W164) platform (Mercedes-Benz W209 CLK chassis components)
Design:
More aerodynamic and refined styling compared to the WJ generation.
Interior:
Significantly improved interior quality and design, often featuring premium materials.
Primary Coverage:
Service and Repair
Scope:
All Models & All Repairs A-Z
Application:
Vehicle Specific (Not Generic)
Target Audience:
Dealership Technicians, Professional Mechanics, DIY Enthusiasts
Estimated Page Count:
3000+
Type:
Factory Service Manual (FSM)
Format:
Digital (e.g., PDF, sometimes provided as print-on-demand or physical book)
Powertrain:
Engine (various configurations), Transmission (automatic), Transfer Case, Differentials, Drivetrain Components
Chassis:
Suspension (front & rear), Steering System, Braking System (including ABS, ESP), Wheels & Tires
Body And Exterior:
Body Panels, Doors, Windows, Mirrors, Bumpers, Exterior Trim, Lighting System
Interior:
Seats, Dashboard, Trim Panels, Restraints (Airbags, Seatbelts), Climate Control System (HVAC)
Electrical And Electronics:
Battery, Charging System, Starting System, Ignition System, Lighting, Instrumentation, Powertrain Control Module (PCM), Body Control Module (BCM), Infotainment System, HVAC Controls, Power Accessories, Advanced Driver Assistance Systems (if equipped)
Diagnostics:
Troubleshooting Charts, Diagnostic Trouble Codes (DTCs), Component Testing Procedures
Maintenance:
Scheduled Maintenance Items, Fluid Changes, Filter Replacements, Inspections
Repair:
Component Removal and Installation, Component Overhaul, System Repair and Adjustment
Special Tools:
Identification of required factory special tools for specific procedures
Specifications:
Torque Specifications, Clearances, Pressures, Electrical Specifications, Diagnostic Data
Depth:
Comprehensive (from basic fluid checks to complete engine/transmission rebuilds)
Diagnostics Focus:
In-depth diagnostic strategies using factory scan tool (e.g., WiTECH) concepts and DTC interpretation
Wiring Diagrams:
Detailed electrical schematics for all systems
Digital Format:
PDF (searchable text, high-resolution diagrams)
Diagram Clarity:
High resolution for clear interpretation of diagrams and illustrations
Physical Format Binding:
Coil-bound or perfect-bound (if applicable)
Physical Format Paper:
Durable, high-quality paper suitable for shop environments (if applicable)
Base Engine 2005-2007:
3.7L V6 PowerTech (SOHC)
Available Engines:
4.7L V8 Magnum (SOHC), 5.7L V8 HEMI (OHV) with Multi-Displacement System (MDS)
Performance 3.7L V6:
Approx. 210-215 hp @ 5200 rpm, 235-240 lb-ft @ 4000 rpm
Performance 4.7L V8:
Approx. 235-250 hp @ 5000 rpm, 300-325 lb-ft @ 3600 rpm
Performance 5.7L Hemi V8:
Approx. 330-350 hp @ 5000-5200 rpm, 375-390 lb-ft @ 3800-4000 rpm
Fuel Delivery:
Multi-Point Fuel Injection (MPI)
Recommended Fuel:
87 Octane Unleaded (3.7L, 4.7L), 89 Octane Recommended for 5.7L HEMI for optimal performance
Emission Systems:
Catalytic Converters, Oxygen Sensors, EGR (on some variants)
Standard Transmission Type:
5-speed Automatic (e.g., W5A580 for V8, NAG1 variant; 545RFE for 3.7L V6 & 4.7L V8)
Optional Transmission Type:
None (all WK models were automatic transmission only)
Transmission Features:
Electronic Control, Overdrive, Torque Converter Lock-up, Manual Shifting Mode (SELECT-SPEED on some models)
Transmission Fluid Type:
ATF+4 (Chrysler Mopar Material Standard MS-9602) for 545RFE; ATF (MB specification 236.10 or 236.12) for W5A580
Wheelbase:
116.1 inches (2950 mm)
Length:
189.4 inches (4811 mm)
Width:
74.9 inches (1902 mm)
Height:
70.1 inches (1781 mm) (without roof rails)
Curb Weight:
4,500 - 5,000 lbs (approx. depending on engine and configuration)
Towing Capacity:
Up to 7,400 lbs (with proper equipment and engine)
NHTSA Front Impact Driver:
5-Star
NHTSA Front Impact Passenger:
5-Star
IIHS Front Offset Test:
Good
Traction Control:
Standard (All-Speed Traction Control)
Electronic Stability:
Standard (Electronic Stability Program - ESP, also known as Electronic Roll Mitigation - ERM)
Airbags:
Frontal airbags, Side curtain airbags (optional/standard depending on trim), Seat-mounted side airbags (optional)
Seatbelts:
Three-point seat belts with pretensioners and load limiters
Infotainment System:
Chrysler's MyGig infotainment system became available mid-generation, offering features like navigation, music storage, and Bluetooth connectivity.
Audio Options:
Premium Boston Acoustics sound system often available.
Advanced Systems:
ParkSense (rear parking assist), SiriusBackUp Camera (available on some models)
Connectivity Features:
Uconnect hands-free communication system (available later in the generation)
Oil Change Interval:
Every 5,000 to 7,500 miles or 6 months (depending on driving conditions, refer to specific manual section)
Transmission Fluid Change:
Every 60,000 to 100,000 miles (check manual for severe service intervals)
Coolant Change:
Initial change at 100,000 miles, then every 50,000 miles thereafter (or per manual)
Engine Oil Specification:
SAE 5W-20 (3.7L V6, 4.7L V8); SAE 5W-20 or 5W-30 (5.7L HEMI V8) - Always verify with the specific manual
Coolant Specification:
Mopar OAT (Orange) Antifreeze/Coolant (MS-9769) or equivalent HOAT
Brake Fluid Specification:
DOT 3
Common Issues Wk:
Power window regulators, Radiator leaks (especially plastic tanks), HVAC blend door actuators, Suspension component wear (ball joints, control arms), Electronic throttle control issues (rare), MDS lifter/cam issues (on 5.7L HEMI, typically at higher mileage)
Jeep Legacy:
Jeep has a long and storied history in off-road vehicle development, dating back to its military origins in World War II. This heritage imbues all its vehicles with an expectation of capability.
Wk Generation Introduction:
The WK generation debuted for the 2005 model year, marking a significant redesign and modernization for the Grand Cherokee. It was a departure from the more traditional body-on-frame SUVs of earlier eras.
Wk Generation Platform Sharing:
Its shared platform with the Mercedes-Benz W164 M-Class provided access to advanced engineering and powertrains, elevating the Grand Cherokee's premium feel and on-road dynamics.
Manufacturing Location:
Jefferson North Assembly Plant, Detroit, Michigan, USA
