Segment:
Full-size Luxury SUV
Key Selling Points:
Off-road capability, luxurious interior, powerful engine options, towing capacity.
Competitors:
Ford Explorer, Chevrolet TrailBlazer, Toyota 4Runner, Lexus RX, BMW X5, Mercedes-Benz ML-Class.
Platform:
WK platform, shared with Mercedes-Benz M-Class (W164) and R-Class (W251) during this generation, indicating significant shared components and engineering.
Engine:
All engine variants for 2005-2008 WK Grand Cherokee (e.g., 3.7L V6, 4.7L V8, 5.7L HEMI V8, 6.1L HEMI V8)
Transmission:
Automatic Transmission (e.g., W5A580, NAG1 for Mercedes-Benz sourced, 545RFE) and Transfer Case Systems
Drivetrain:
Front Axle, Rear Axle, Driveshafts, CV Joints, Differentials (including Quadra-Drive II systems)
Brakes:
Front & Rear Brakes (Disc), ABS (Anti-lock Braking System), ESC (Electronic Stability Control), Brake Fluid Service
Suspension:
Front Suspension (Independent), Rear Suspension (Multi-link), Shock Absorbers, Springs, Bushings
Steering:
Power Steering System, Steering Column, Rack and Pinion Assembly
Electrical:
12V Battery System, Charging System (Alternator), Starting System, Fuse Boxes, Relays, Wiring Diagrams, Lighting (Headlights, Taillights, Interior), Power Accessories (Windows, Locks, Mirrors)
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) System, Climate Control, Refrigerant Servicing
Body:
Body Panels, Doors, Hood, Tailgate, Bumpers, Exterior Trim, Interior Trim, Seats, Glass Replacement
Diagnostics:
On-Board Diagnostics (OBD-II), DTC (Diagnostic Trouble Code) Retrieval and Interpretation, Symptom-Based Troubleshooting
Maintenance:
Scheduled Maintenance, Oil Changes, Filter Replacements (Oil, Air, Fuel, Cabin), Spark Plug Replacement, Belt Replacement, Fluid Checks and Top-offs
Repair:
Engine Overhaul, Transmission Rebuilds, Brake Component Replacement, Suspension Component Replacement, Steering System Repair, Electrical Component Repair, HVAC System Repair
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon faults, circuit testing, component testing
Component Replacement:
Detailed instructions for replacing major and minor components across all vehicle systems
Specifications:
Torque specifications for critical fasteners, fluid capacities, electrical specifications, pressure specifications
Depth:
Comprehensive, covering everything from basic maintenance to complete engine and transmission overhauls, including detailed electrical troubleshooting and wiring diagrams.
Engine Options:
3.7L Magnum V6, 4.7L PowerTech V8, 5.7L HEMI V8, 6.1L HEMI V8 (SRT8)
3.7L V6 Specs:
Displacement: 3.7L (226 cu in), Horsepower: ~210-215 hp, Torque: ~235-240 lb-ft, Configuration: SOHC V6
4.7L V8 Specs:
Displacement: 4.7L (285 cu in), Horsepower: ~235-305 hp, Torque: ~300-330 lb-ft, Configuration: SOHC V8
5.7L Hemi V8 Specs:
Displacement: 5.7L (345 cu in), Horsepower: ~325-350 hp, Torque: ~375-390 lb-ft, Configuration: OHV V8 with MDS (Multi-Displacement System)
6.1L Hemi V8 (Srt8) Specs:
Displacement: 6.1L (370 cu in), Horsepower: ~415-420 hp, Torque: ~410-420 lb-ft, Configuration: OHV V8
Fuel Delivery:
Sequential Electronic Fuel Injection (SEFI)
Cooling System:
Pressurized liquid cooling system with engine-driven fan and/or electric cooling fans.
Fuel Type:
Unleaded gasoline (Octane rating varies by engine, premium recommended for HEMI variants).
Type:
5-speed automatic transmission (e.g., 545RFE) standard on some models.
Type:
5-speed automatic transmission (Mercedes-Benz sourced W5A580/NAG1) used on V8 and SRT8 models, often paired with different transfer cases.
Transfer Case:
Various 4WD systems available: Quadra-Trac I (Full-time 4WD), Quadra-Trac II (2-speed transfer case with electronic shifting), Quadra-Drive II (Active differentials with electronic locking).
Automatic Transmission Fluid:
Refer to manual for specific ATF type (e.g., ATF+4 for 545RFE, NAG-1 Fluid for W5A580).
Wheelbase:
Approx. 116.1 inches (2950 mm)
Length:
Approx. 188.8 inches (4800 mm)
Width:
Approx. 74.8 inches (1900 mm)
Height:
Approx. 69.9 inches (1775 mm)
Cargo Volume Behind 2Nd Row:
Approx. 33.5 cu ft (949 L)
Cargo Volume Max:
Approx. 68.9 cu ft (1951 L)
Curb Weight:
Varies by configuration, generally between 4,400 - 5,000+ lbs (2000 - 2270+ kg)
Towing Capacity:
Up to 7,400 lbs (3357 kg) with proper towing package and configuration.
NHTSA Front Crash Test:
5-Star (for driver and passenger in frontal crash tests).
IIHS Front Offset Crash Test:
Good (for 2005-2008 models).
Electronic Stability Control:
Standard on all models.
Anti Lock Brakes:
Standard on all models.
Traction Control:
Standard on all models.
All Speed Traction Control:
Available on models equipped with Quadra-Drive II.
Airbags:
Frontal airbags, front side-impact airbags, and available full-length side curtain airbags.
Seatbelts:
3-point seatbelts for all seating positions, pretensioners for front seats.
Available Systems:
Various Uconnect infotainment systems with CD player, AM/FM radio, optional SiriusXM Satellite Radio, navigation system, and rear-seat entertainment systems.
Connectivity:
Optional Bluetooth hands-free communication, auxiliary audio input jack.
Available Features:
ParkView Rear Back-Up Camera, ParkSense Rear Park Assist, Rain-sensing wipers (on higher trims).
Available Features:
Power adjustable pedals, heated and ventilated front seats, dual-zone automatic climate control, remote start, power liftgate.
Oil Change Interval:
Typically every 7,500 miles (12,000 km) or 6 months, whichever comes first, under normal driving conditions. Refer to manual for severe conditions.
Tire Rotation Interval:
Recommended every 7,500 miles (12,000 km).
Engine Air Filter Replacement:
Recommended every 30,000 miles (48,000 km) or as needed based on inspection.
Cabin Air Filter Replacement:
Recommended every 15,000 - 20,000 miles (24,000 - 32,000 km) or annually.
Spark Plug Replacement:
Varies by engine: 3.7L V6 and 4.7L V8 often use platinum or iridium plugs with intervals up to 100,000 miles. HEMI engines may have shorter intervals for specific types.
Engine Oil Type:
Refer to manual for specific viscosity: typically SAE 5W-20 or 5W-30 for V6/V8 engines. HEMI engines may require specific formulations.
Coolant Type:
Chrysler/Mopar OAT (Organic Additive Technology) or HOAT (Hybrid Organic Additive Technology) coolant, typically orange or pink. Do not mix with older green coolants.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Common Complaints:
Pre-mature wear of suspension components (ball joints, control arm bushings), HVAC blower motor issues, EGR valve issues on some engines, transfer case actuator problems, potential for oil leaks from valve covers or oil pan.
Hemi Mds Issues:
Customers have reported issues with lifters and camshaft wear related to the Multi-Displacement System (MDS) in the 5.7L HEMI. Proper oil maintenance is crucial.
Jeep Legacy:
Jeep has a long-standing reputation for ruggedness, off-road capability, and 4x4 prowess, dating back to its military origins in WWII.
Grand Cherokee Lineage:
The Grand Cherokee was introduced in 1993 as a more luxurious and car-like SUV than the Cherokee XJ, bridging the gap between traditional SUVs and luxury vehicles. The WK generation marked a significant redesign.
Manufacturing Location:
Jefferson North Assembly, Detroit, Michigan, USA.
Wk Generation Debut:
The WK generation debuted for the 2005 model year, showcasing a complete redesign with a more premium interior and exterior styling, influenced by its DaimlerChrysler ownership and shared platform with Mercedes-Benz.
