Positioning:
The Jeep Grand Cherokee WK (2005-2010) represented a significant evolution in Jeep's premium SUV offerings, blending off-road capability with on-road refinement. It competed with rivals like the Ford Explorer, Toyota 4Runner, and Chevrolet TrailBlazer.
Strengths:
Renowned Jeep off-road prowess, powerful HEMI engine option, comfortable ride quality, spacious interior, available Quadra-Drive II 4WD system.
Distinctive Attributes:
Unibody construction for improved handling, independent front suspension, multiple advanced 4WD systems, available rear-seat entertainment.
Primary Coverage:
Repair, Maintenance, Diagnostics, Troubleshooting
Secondary Coverage:
Wiring Diagrams, Specifications, Technical Bulletins
Type:
Factory Service Manual (FSM)
Powertrain:
Engine (3.7L V6, 4.7L V8, 5.7L HEMI V8), Transmission (545RFE, NAG1 5-Speed Automatic), Transfer Case (NV245, NV140), Differentials (Front, Rear)
Chassis:
Suspension (Front: Independent Double Wishbone, Rear: Multi-Link Solid Axle), Steering (Power Rack and Pinion), Brakes (Front: Vented Disc, Rear: Solid Disc, ABS, ESP)
Electrical:
12V System, Battery, Charging System, Starting System, Lighting, Instrumentation, Audio System, HVAC Controls, Body Control Module (BCM), Powertrain Control Module (PCM), Anti-lock Brake System (ABS), Electronic Stability Program (ESP), Tire Pressure Monitoring System (TPMS), Keyless Entry, Remote Start
Body And Trim:
Exterior Body Panels, Doors, Hood, Liftgate, Bumpers, Interior Trim, Seats, Glass, Sunroof, Mirrors
Maintenance:
Oil Change, Filter Replacements, Fluid Checks & Changes, Tire Rotation, Spark Plug Replacement, Brake Pad/Rotor Replacement
Repair:
Engine Rebuilds, Transmission Overhaul, Suspension Component Replacement, Brake System Repairs, Electrical Component Diagnosis & Replacement, HVAC System Servicing
Diagnostics:
OBD-II Scan Tool Procedures, DTC (Diagnostic Trouble Code) Interpretation, Component Testing, Wiring Harness Testing
Installation Removal:
Major Component Removal & Installation (Engine, Transmission, Axles), Body Panel Removal, Interior Trim Disassembly
Depth:
Comprehensive: Covers basic to advanced repair procedures, including detailed disassembly and reassembly of all major components and systems.
Transmission Type:
5-Speed Automatic (545RFE for 3.7L and 4.7L, NAG1 for 5.7L HEMI)
Transfer Case Options:
Quadra-Trac I (Full-time 4WD), Quadra-Trac II (2-speed transfer case with electronic 4WD control), Quadra-Drive II (Quadra-Trac II with electronic limited-slip differentials front and rear)
Transmission Features:
Electronically controlled with overdrive, Tow/Haul mode.
NHTSA Front Driver:
5 Stars (2005 Model Year)
NHTSA Front Passenger:
5 Stars (2005 Model Year)
IIHS Front Offset:
Good (2005 Model Year)
Active Safety:
Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Traction Control System (TCS), Brake Assist
Passive Safety:
Front Airbags, Side Curtain Airbags (optional/standard by trim), Seatbelt Pretensioners
Infotainment System:
Available SiriusXM Satellite Radio, AM/FM Stereo with CD Player, optional Boston Acoustics premium sound system, optional Rear-Seat Entertainment (RSE) system.
Assistance Features:
ParkView Rear Back-Up Camera (optional), ParkSense Front and Rear Park Assist (optional).
Connectivity Options:
Uconnect hands-free communication system (optional).
Oil Change Interval:
Every 5,000 - 7,500 miles or 6 months (whichever comes first), depending on driving conditions.
Transmission Fluid Change:
Every 60,000 - 100,000 miles (refer to manual for specific fluid type and interval).
Coolant Change:
Every 100,000 miles or 5 years (Mopar OAT).
Engine Oil Spec:
SAE 5W-20 (3.7L V6, 4.7L V8), SAE 5W-20 or 5W-30 (5.7L HEMI V8 - check owner's manual for specific recommendation).
Transmission Fluid Spec:
ATF+4 (Mopar Automatic Transmission Fluid - for 545RFE), ATF SP-IV (for NAG1)
Coolant Spec:
Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, HOAT (Hybrid Organic Additive Technology) coolant may be used as a substitute, but always verify.
Common Problems:
Early models (pre-2008) can experience coolant leaks from the water pump and thermostat housing. Brake component wear (pads, rotors) is common due to vehicle weight. Electronic module failures (BCM, TCM) can occur. Some HEMI engines may exhibit valve lifter noise or MDS (Multi-Displacement System) issues.
Heritage:
Jeep, a brand synonymous with off-road capability, has a rich history dating back to WWII. The Grand Cherokee line, introduced in 1993, aimed to blend this ruggedness with luxury and comfort.
Wk Generation Intro:
The WK generation Grand Cherokee was introduced for the 2005 model year, marking a significant redesign with a more modern and aerodynamic appearance and a unibody construction.
Production Location:
Jefferson North Assembly Plant, Detroit, Michigan, USA
