Vehicle Segment:
Mid-size/Full-size SUV
Competitive Set:
Ford Explorer, Chevrolet TrailBlazer, Toyota 4Runner, Nissan Pathfinder.
Powertrain Options:
Offered with a range of robust engines, including the 3.7L V6, 4.7L V8, and the potent 5.7L HEMI V8.
Off Road Capability:
Renowned for its Jeep heritage, featuring advanced 4x4 systems (Quadra-Trac I, Quadra-Trac II, Quadra-Drive II).
Luxury And Comfort:
Positioned as a more premium offering in the Jeep lineup with available luxury features.
Engine Service:
Detailed procedures for 3.7L, 4.7L, and 5.7L HEMI V8 engines, including diagnostics, repair, and overhaul.
Powertrain Service:
Covers automatic transmissions (e.g., W5A580, 545RFE) and their related systems, including diagnostics and repair.
Chassis Service:
Includes suspension, steering, brakes (including ABS and stability control), and wheel/tire systems.
Electrical System:
Comprehensive coverage of wiring diagrams, power distribution, lighting, body control modules (BCM), and comfort systems.
Body And Trim:
Exterior and interior trim removal/installation, body panel repairs, and collision repair information.
HVAC System:
Service and repair procedures for the heating, ventilation, and air conditioning system.
Diagnostics:
Diagnostic trouble codes (DTCs), troubleshooting charts, and diagnostic procedures for various systems.
Maintenance:
Routine maintenance schedules, fluid changes, filter replacements, and inspection procedures.
Repair Procedures:
Step-by-step instructions for component removal, installation, and repair for all major systems.
Troubleshooting:
Detailed diagnostic flowcharts and symptom-based troubleshooting guides.
Specifications:
Torque specifications, clearances, fluid capacities, and other critical technical data.
Depth Level:
Comprehensive, covering from basic maintenance to complex component rebuilds and advanced diagnostics.
Format Type:
Likely Printed Hardcover or Binder
Paper Quality:
Durable, often heavy-stock paper designed for shop environments.
Ink Quality:
High-quality printing for clear text and diagrams.
Binding:
Often a durable binding like a spiral-bound or multi-ring binder for ease of use on a workbench.
Engine 3.7L:
3.7L (226 ci) SOHC V6, Power: ~210-215 hp, Torque: ~235-240 lb-ft.
Engine 4.7L:
4.7L (285 ci) SOHC V8 (also known as 'ECHO'), Power: ~230-235 hp, Torque: ~290-300 lb-ft.
Engine 5.7L:
5.7L (345 ci) OHV V8 HEMI, Power: ~330-335 hp, Torque: ~370-375 lb-ft. Features Multi-Displacement System (MDS).
Fuel Delivery:
Electronic Fuel Injection (EFI)
Coolant Type:
Chrysler spec HOAT (Hybrid Organic Acid Technology) Antifreeze/Coolant, typically purple or orange.
Oil Type 3.7L:
SAE 5W-20, API Certified.
Oil Capacity 3.7L:
5.0 US quarts (4.7 liters) with filter change.
Oil Type 4.7L:
SAE 5W-20, API Certified.
Oil Capacity 4.7L:
6.0 US quarts (5.7 liters) with filter change.
Oil Type 5.7L:
SAE 5W-20, API Certified.
Oil Capacity 5.7L:
7.0 US quarts (6.6 liters) with filter change.
Transmission Type V6 V8 Non Hemi:
5-speed automatic (e.g., W5A580 or 545RFE depending on specific application)
Transmission Type Hemi:
5-speed automatic (e.g., W5A580)
Transmission Fluid Type:
Mopar ATF+4 (or equivalent)
Transfer Case:
NV245 (full-time 4WD), NV140 (part-time 4WD), or QDII (Quadra-Drive II)
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 Passenger:
5-Star (for 2006 model year)
NHTSA Side Rear:
5-Star (for 2006 model year)
IIHS Roof Strength:
Good (for 2006 model year)
ABS:
Standard Four-wheel Anti-lock Braking System (ABS)
Stability Control:
Electronic Stability Program (ESP) with Roll Mitigation
Traction Control:
All-speed Traction Control (ATC)
Airbags Front:
Multi-stage front airbags
Airbags Side:
Available front and rear side-curtain airbags
Oil Change Interval:
Every 6,000 miles or 6 months, whichever comes first (under normal driving conditions).
Air Filter Replacement:
Every 15,000-30,000 miles, or as needed based on driving conditions.
Spark Plug Replacement V6 V8:
3.7L/4.7L: Approx. 100,000 miles; 5.7L HEMI: Approx. 100,000 miles (depending on plug type, e.g., Double Platinum).
Transmission Fluid Change:
Every 30,000-60,000 miles, depending on driving habits (severe use requires more frequent changes).
Brake Fluid:
DOT 3 or DOT 4
Power Steering Fluid:
Chrysler MS-10830 (or equivalent) / ATF+4
Hemi Carbon Buildup:
5.7L HEMI can experience carbon buildup on intake valves, affecting performance, especially with frequent short trips.
Transmission Issues:
Some transmissions (especially the W5A580) can experience shifting issues or solenoid failures. Regular fluid changes are crucial.
Electrical Gremlins:
Common for vehicles of this era, may experience intermittent issues with body control modules, sensors, or power windows.
Suspension Wear:
Ball joints, tie rods, and bushings can wear over time, leading to clunks or steering looseness.
Top Safety Pick:
Achieved 5-Star ratings in NHTSA crash tests for frontal and side impacts, indicating strong safety performance for its class.
Kl-Kl Score 2006:
While specific awards vary, the WK Grand Cherokee was generally well-regarded for its blend of luxury, capability, and V8 power in its segment during its production run.
