Segment:
Mid-size Luxury SUV
Key Selling Points:
Off-road capability, towing capacity, comfortable ride, spacious interior, available HEMI V8 engines
Direct Competitors:
Ford Explorer, Toyota 4Runner, Chevrolet Trailblazer/Blazer, Nissan Pathfinder, Honda Pilot
Platform Shared With:
DaimlerChrysler's WH platform (shared with Mercedes-Benz M-Class W164)
Powertrain Options:
Multiple V6 and V8 engine choices, available 4WD systems
Engine Systems:
3.7L V6, 4.7L V8, 5.7L HEMI V8, 6.1L HEMI V8 (incl. diagnostics, repair, overhaul)
Transmission Systems:
545RFE, W5A580 (5-speed automatic), NV3500 (5-speed manual - 3.7L only), transfer case, differentials
Suspension And Steering:
Independent Front Suspension (IFS), Multi-link Rear Suspension, Power Steering System, Four-Wheel Drive (4WD) systems (Quadra-Trac I, Quadra-Trac II, Quadra-Drive II)
Brake Systems:
ABS, Traction Control (TCS), Electronic Stability Control (ESC), brake system diagnostics, component replacement
Electrical And Electronics:
Wiring diagrams, fuses, relays, battery, charging system, starting system, Body Control Module (BCM), Powertrain Control Module (PCM), CAN bus system
HVAC System:
Air conditioning, heating, ventilation, climate control system diagnostics and repair
Body And Trim:
Exterior panels, interior trim, doors, windows, glass, sunroof, bumpers, hood, tailgate
Comfort And Convenience:
Seats, power accessories, lighting, keyless entry, remote start
Maintenance Procedures:
Oil changes, filter replacements, fluid checks and top-offs, lubrication, tire rotation
Diagnostic Procedures:
OBD-II scanning, symptom-based troubleshooting, specific system diagnostics (engine, transmission, ABS, etc.)
Repair Procedures:
Engine component replacement, transmission overhaul, suspension and steering repairs, brake component replacement, electrical component repair
Alignment And Calibration:
Wheel alignment specifications and procedures, sensor calibration (e.g., steering angle sensor)
Technical Specifications:
Torque specifications for all fasteners, component clearances, diagnostic trouble codes (DTCs) and their meaning
Diagnostic Depth:
Advanced diagnostics, including specific fault code descriptions and diagnostic flowcharts
Repair Depth:
Complete overhaul procedures for major components, including detailed disassembly and reassembly instructions
Electrical Depth:
Comprehensive wiring diagrams with component location and connector pinouts
Engine Option 1:
3.7L PowerTech V6
3.7L V6 Horsepower:
210 hp @ 5200 rpm (approx.)
3.7L V6 Torque:
235 lb-ft @ 4000 rpm (approx.)
Engine Option 2:
4.7L Magnum V8
4.7L V8 Horsepower:
235 hp @ 5000 rpm (approx.)
4.7L V8 Torque:
305 lb-ft @ 3600 rpm (approx.)
Engine Option 3:
5.7L HEMI V8
5.7L Hemi V8 Horsepower:
326 hp @ 5000 rpm (approx.)
5.7L Hemi V8 Torque:
370 lb-ft @ 4000 rpm (approx.)
Engine Option 4:
6.1L SRT HEMI V8 (SRT8 model)
6.1L Srt Hemi V8 Horsepower:
415 hp @ 6000 rpm (approx.)
6.1L Srt Hemi V8 Torque:
410 lb-ft @ 4800 rpm (approx.)
Fuel Delivery System:
Multi-point Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline
Recommended Octane:
87 Octane (3.7L, 4.7L, 5.7L), 91 Octane (6.1L SRT8)
Transmission Std 3.7L:
5-Speed Manual (NV3500) or 5-Speed Automatic (545RFE)
Transmission Opt 4.7L 5.7L:
5-Speed Automatic (545RFE)
Transmission Opt 6.1L Srt8:
5-Speed Automatic (W5A580)
Transfer Case Options:
Quadra-Trac I (full-time 4WD), Quadra-Trac II (2-speed 4WD with 4-LO), Quadra-Drive II (full-time 4WD with electronic limited-slip differentials)
Transmission Fluid Type:
ATF+4 (Mopar specification)
NHTSA Front Impact Driver:
5 Stars (2005-2007 models)
NHTSA Front Impact Passenger:
5 Stars (2005-2007 models)
NHTSA Side Impact Front Seat:
5 Stars (2005-2007 models)
NHTSA Side Impact Rear Seat:
5 Stars (2005-2007 models)
IIHS Front Offset Good:
Good (2005-2007 models)
IIHS Side Impact Good:
Good (2005-2007 models)
Electronic Stability Control:
Standard on all models (ESC)
Traction Control System:
Standard (TCS)
Anti-Lock Brakes:
Standard (ABS)
Airbags Front:
Standard advanced multi-stage front airbags
Airbags Side:
Optional front-seat mounted side-impact airbags, available full-length side curtain airbags (later models)
Infotainment System:
Uconnect infotainment system available, featuring touchscreens, navigation (optional), and audio controls
Audio Options:
Premium audio systems available (e.g., Boston Acoustics, Harman Kardon)
Parking Assistance:
Available rear parking assist sensors
Adaptive Cruise Control:
Not typically available on this generation
Bluetooth Connectivity:
Available for hands-free calling (Uconnect)
Auxiliary Input:
Standard auxiliary audio input jack
Oil Change Interval:
Every 3,000-6,000 miles (5,000-10,000 km) or 6 months, depending on driving conditions and oil type used (consult manual for exact recommendation)
Engine Air Filter Replacement:
Every 15,000-30,000 miles (24,000-48,000 km)
Cabin Air Filter Replacement:
Every 10,000-15,000 miles (16,000-24,000 km)
Transmission Fluid Change:
Every 30,000-60,000 miles (48,000-96,000 km) or as per severe duty schedule
Coolant Flush Interval:
Every 30,000-50,000 miles (48,000-80,000 km) or 2-3 years
Engine Oil Specification:
SAE 5W-20 (3.7L, 5.7L HEMI with MDS), SAE 5W-30 (4.7L, 5.7L HEMI without MDS), SAE 0W-40 (6.1L SRT8) - Always verify with manual
Engine Oil Capacity:
5.0 quarts (4.7 L) for 3.7L, 6.0 quarts (5.7 L) for 4.7L/5.7L HEMI, 7.0 quarts (6.6 L) for 6.1L SRT8 (incl. filter)
Coolant Type:
Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, HOAT (Hybrid Organic Additive Technology) recommended for later models.
Power Steering Fluid:
ATF+4 or Pentosin CHF 11S (verify with manual as some may use specific Pentosin type)
Common Issue 1:
Cooling system leaks (water pump, radiator hoses, heater core)
Common Issue 2:
Fuel pump failure
Common Issue 3:
Electronic throttle control (ETC) issues leading to limp mode
Common Issue 4:
Suspension component wear (ball joints, control arms)
Common Issue 5:
Rust and corrosion, particularly on the undercarriage and body panels
Common Issue 6:
Headliner sagging (interior trim issue)
Jeep Legacy:
Jeep's long history of producing capable off-road vehicles and SUVs
Wk Generation Debut:
Introduced for the 2005 model year as a complete redesign from the previous WJ generation
Mid-Cycle Refresh:
Received a facelift for the 2008 model year, with updated styling, interior refinements, and new powertrain options (e.g., introduction of the 5.7L HEMI with Multi-Displacement System - MDS)
Manufacturing Location:
Jefferson North Assembly Plant, Detroit, Michigan, USA
Automotive Press Awards:
Often received positive reviews for its off-road capability and powerful engine options, though sometimes criticized for fuel economy and interior refinement compared to some competitors.
Towing Award:
Frequently cited as having best-in-class towing capacity within its segment.
Trail Rated Certification:
Jeep's 'Trail Rated' badge indicates capability in five off-road performance categories: traction, ground clearance, maneuverability, articulation, and water fording (for models equipped with appropriate 4WD systems).
