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
5-Speed Manual (NV3500) or 5-Speed Automatic (545RFE)
Optional
Transmission Opt 4.7L 5.7L:
5-Speed Automatic (545RFE)
Transmission Opt 6.1L Srt8:
5-Speed Automatic (W5A580)
Features
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)
📐 Dimensions
Exterior
Wheelbase:
114.8 inches (2916 mm)
Length:
189.8 inches (4821 mm)
Width:
74.8 inches (1899 mm)
Height:
68.4 inches (1737 mm) (Varies slightly by model/trim)
Cargo
Cargo Volume Behind 2Nd Row:
39.2 cubic feet (1109 L)
Cargo Volume With 2Nd Row Folded:
68.5 cubic feet (1940 L)
Weights
Curb Weight Min:
4400 lbs (2000 kg) (approx., Varies by engine/drivetrain)
Towing Capacity Max:
7,400 lbs (3357 kg) (with proper equipment and V8 engine)
🛡️ Safety Features
Ratings
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)
Active Features
Electronic Stability Control:
Standard on all models (ESC)
Traction Control System:
Standard (TCS)
Anti-Lock Brakes:
Standard (ABS)
Passive Features
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)
💡 Technology Features
Infotainment
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)
Driver Assistance
Parking Assistance:
Available rear parking assist sensors
Adaptive Cruise Control:
Not typically available on this generation
Connectivity
Bluetooth Connectivity:
Available for hands-free calling (Uconnect)
Auxiliary Input:
Standard auxiliary audio input jack
🔧 Maintenance
Service Intervals
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
Fluid Specifications
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)
Known Issues
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)
📚 Vehicle History
Brand Heritage
Jeep Legacy:
Jeep's long history of producing capable off-road vehicles and SUVs
Model Evolution
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)
Production
Manufacturing Location:
Jefferson North Assembly Plant, Detroit, Michigan, USA
🏆 Awards & Recognition
Recognitions
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.
Ratings
Towing Award:
Frequently cited as having best-in-class towing capacity within its segment.
Certifications
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).
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