Segment:
Mid-size Luxury SUV
Target Audience:
Owners, mechanics, parts departments, and enthusiasts seeking to identify and source genuine or aftermarket parts for the 2006 Jeep Grand Cherokee WK.
Competitors:
Ford Explorer, Toyota 4Runner, Nissan Pathfinder, Chevrolet Trailblazer, Ford Edge, Dodge Durango.
Vehicle Strengths:
Off-road capability (Quadra-Lift air suspension, available Quadra-Trac 4WD systems), comfortable ride, spacious interior, available HEMI V8 power.
Manual Value:
Indispensable for accurate part identification, ensuring correct component selection for repairs and maintenance, reducing errors and downtime.
Powertrain:
Engine assembly, fuel system, cooling system, exhaust system, transmission and drivetrain components.
Chassis:
Suspension (front and rear), steering system, brake system (front and rear), wheels and tires.
Electrical:
Wiring harnesses, lighting (headlights, taillights, interior), battery and charging system, starter motor, ignition system components, fuses and relays.
Body:
Exterior panels (hood, doors, fenders, bumpers), interior trim, glass, body hardware, locks and latches, roof systems.
HVAC:
Heating, ventilation, and air conditioning components, including compressor, evaporator, condenser, blower motor, and controls.
Accessories:
Optional equipment and accessories, such as towing packages, roof racks, and entertainment systems, as applicable.
Identification:
Identification of correct part numbers for all components, schematics and exploded views for visual reference.
Troubleshooting:
While primarily a parts list, it aids troubleshooting by identifying components and their relationships, as mentioned in the description.
Depth:
Detailed part identification and breakdown, enabling precise ordering and understanding of assembly configurations. Not a repair manual for procedures, but essential for parts replacement.
Engine Options:
3.7L V6 'PowerTech', 4.7L V8 'PowerTech', 5.7L V8 'HEMI' (PHEV).
3.7L V6 Power:
Approx. 210 hp @ 5200 rpm
3.7L V6 Torque:
Approx. 235 lb-ft @ 4000 rpm
4.7L V8 Power:
Approx. 235 hp @ 4500 rpm
4.7L V8 Torque:
Approx. 305 lb-ft @ 3200 rpm
5.7L V8 Hemi Power:
Approx. 330 hp @ 5000 rpm
5.7L V8 Hemi Torque:
Approx. 375 lb-ft @ 4000 rpm
Injection:
Sequential Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline (87 octane recommended, higher for HEMI can enhance performance)
Type:
5-speed automatic transmission (W5A580 for 4.7L and 5.7L; 45RFE for 3.7L)
Options:
No manual transmission option available for this generation.
4Wd Systems:
Available Quadra-Trac I, Quadra-Trac II, and Quadra-Drive II 4WD systems.
Length:
Approx. 188.8 inches (4795 mm)
Width:
Approx. 74.8 inches (1899 mm)
Height:
Approx. 68.4 inches (1737 mm)
Wheelbase:
Approx. 116.1 inches (2950 mm)
Passenger Volume:
Approx. 105.7 cubic feet (2993 liters)
Cargo Volume Behind 2Nd Row:
Approx. 30.5 cubic feet (864 liters)
Cargo Volume Max:
Approx. 68.5 cubic feet (1940 liters)
Curb Weight:
Ranges from approx. 4,560 lbs to 5,050 lbs depending on engine and drivetrain.
Towing Capacity:
Up to 7,400 lbs (with proper equipment and configuration)
NHTSA Frontal Driver:
5-Star (for 2006 model year)
NHTSA Frontal Passenger:
5-Star (for 2006 model year)
NHTSA Side Driver:
5-Star (for 2006 model year)
NHTSA Side Rear Passenger:
5-Star (for 2006 model year)
Traction Control:
Standard
Electronic Stability Control:
Standard (Electronic Stability Program - ESP)
ABS:
Standard (4-wheel disc anti-lock brakes)
Airbags:
Frontal airbags, front side-impact airbags, available full-length side curtain airbags.
Seatbelts:
3-point seat belts with pretensioners for all seating positions.
Available Systems:
Chrysler's MyGig infotainment system with SiriusXM Satellite Radio, CD/DVD player, and optional navigation. Available premium Boston Acoustics audio system.
Features:
ParkView Rear Back-Up Camera (optional), ParkSense Front/Rear Park Assist System (optional).
Bluetooth:
Available Uconnect Bluetooth hands-free communication system.
Oil Change Interval:
Every 3,000-5,000 miles or 6 months, depending on driving conditions and oil type used. Refer to owner's manual for specific recommendations.
Tire Rotation Interval:
Every 5,000-7,500 miles.
Transmission Fluid Change:
Check owner's manual; typically around 60,000-100,000 miles for severe use, or as indicated by transmission fluid condition sensors.
Engine Oil Type:
SAE 5W-30 (for 3.7L V6 and 4.7L V8); SAE 5W-20 (for 5.7L HEMI V8). Consult owner's manual for exact specifications and API service category.
Coolant Type:
Mopar Antifreeze/Coolant (OAT - Organic Additive Technology), typically a HOAT formulation, often purple or orange.
Transmission Fluid Type:
ATF+4 (Automatic Transmission Fluid Type 96).
Common Problems:
Potential for EGR valve issues, alternator failures, fuel pump issues, coolant leaks (especially from the radiator and water pump), and HVAC blower motor resistor failures. Some HEMI engines can experience lifter tick.
Importance Of Parts Catalog:
Crucial for identifying correct part numbers (e.g., for brake pads, sensors, body panels) to avoid fitment issues and ensure proper repair.
Jeep Legacy:
Jeep has a long-standing reputation for robust off-road capability and durable SUVs dating back to its military origins in World War II.
Wk Generation:
The WK generation (2005-2010) represented a significant redesign from the previous WJ model, introducing a more modern design, improved interior, and new powertrains, including the HEMI V8.
Manufacturing Location:
Detroit, Michigan, USA (Jefferson North Assembly Plant)
Safest SUVs:
The 2006 Grand Cherokee received 5-star ratings in NHTSA frontal and side impact crash tests, often earning recognition as a safe SUV.
Consumer Reports Reliability:
Reliability ratings varied by model year and specific powertrain. The parts manual helps identify components for addressing common wear items.
