Vehicle Segment:
Mid-size SUV
Key Competitors 2005:
Ford Explorer, Chevrolet TrailBlazer, Toyota 4Runner, Nissan Pathfinder, Honda Pilot, Land Rover LR3
Jeep Value Proposition:
Off-road capability, iconic styling, choice of powerful V8 engines, comfortable ride for its class
Wk Generation Highlights:
All-new platform for 2005, more refined interior, improved ride and handling compared to previous generation, introduction of HEMI V8 option, advanced 4x4 systems
Engine Systems:
3.7L V6, 4.7L V8, 5.7L HEMI V8; Engine mechanical, fuel system, ignition system, emissions control, cooling system, lubrication system, starting and charging system
Transmission Systems:
Automatic transmissions (e.g., W5A580, 545RFE); Gearbox operation, hydraulic controls, torque converter, service and repair procedures
Drivetrain Systems:
Four-wheel drive systems (e.g., Quadra-Trac I, Quadra-Drive II); Transfer case operation, differentials (front and rear), axle shafts, CV joints
Suspension Steering:
Independent front suspension (SLA), multi-link rear suspension; Steering gear, power steering system, wheel alignment specifications
Braking Systems:
Front disc brakes, rear disc brakes, Anti-lock Braking System (ABS), Electronic Stability Program (ESP); Brake component inspection, service, and bleeding procedures
Electrical Electronics:
Body control module (BCM), powertrain control module (PCM), infotainment system, lighting, power accessories, diagnostic trouble codes (DTCs), wiring diagrams
Climate Control:
Manual and automatic climate control systems; HVAC operation, refrigerant handling, component testing
Body Chassis:
Body construction, doors, panels, glass, interior trim, frame components
Maintenance:
Scheduled maintenance intervals, fluid level checks and changes, filter replacements, belt inspection and replacement, spark plug replacement
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, diagnostic trouble code (DTC) interpretation and resolution, component testing procedures
Repair Rebuild:
Engine overhaul, transmission overhaul, suspension component replacement, brake system repair, electrical component replacement, body panel repair
Installation:
Component installation (e.g., alternators, starters, sensors), accessory installation
Specifications Data:
Torque specifications, clearances, fluid capacities, electrical resistance values, diagnostic parameters
Depth:
Detailed, professional-level diagnostic and repair information suitable for technicians and advanced DIYers
Detail Level:
Step-by-step instructions, exploded views, diagnostic flowcharts, wiring schematics
Digital Format:
PDF (typically)
Searchability:
Text-searchable (common for professionally produced PDFs)
Printability:
Printable pages (standard for most service manuals)
Resolution:
High-resolution (for clear diagrams and text)
Illustrations:
Clear diagrams, schematics, and photographs
Binding:
N/A (Digital Format)
Paper:
N/A (Digital Format)
Estimated Pages:
Likely 1500-2500+ pages (typical for a comprehensive factory service manual for this era and vehicle complexity)
NHTSA Front Crash Rating:
5-Star (driver and passenger)
NHTSA Side Impact Rating:
5-Star (front and rear passengers)
IIHS Ratings:
Good (front and side impact tests for many configurations)
Standard Safety Features:
Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Traction Control (TCS), Brake Assist, Electronic Roll Mitigation (ERM), Tire Pressure Monitoring System (TPMS)
Optional Safety Features:
ParkView Rear Back-Up Camera, ParkSense Front and Rear Park Assist
Airbags:
Multi-stage front airbags, front side-impact airbags, available full-length side curtain airbags
Body Structure:
High-strength steel construction for enhanced crashworthiness
Infotainment Options:
Optional MyGIG infotainment system with navigation, SiriusXM satellite radio, Boston Acoustics premium audio system
Connectivity Options:
Uconnect hands-free communication (with compatible phones), auxiliary audio input
Driver Assistance Features:
ParkSense parking assist, ParkView backup camera (optional)
Hemi Cylinder Deactivation:
5.7L HEMI features Multi-Displacement System (MDS) to deactivate cylinders for improved fuel economy
Oil Change Interval:
Every 5,000 to 10,000 miles or 6-12 months, depending on driving conditions and oil type used (consult manual for specifics)
Tire Rotation Interval:
Every 7,500 miles
Engine Air Filter Replacement:
Every 15,000 to 30,000 miles (depending on driving conditions)
Cabin Air Filter Replacement:
Every 15,000 to 20,000 miles
Spark Plug Replacement:
Varies by engine: 3.7L/4.7L (e.g., 100,000 miles with iridium plugs), 5.7L HEMI (e.g., 100,000 miles with specific HEMI plugs)
Engine Oil Spec 3.7L:
SAE 5W-30 (Synthetic Recommended), API SN or equivalent
Engine Oil Spec 4.7L:
SAE 5W-30 (Synthetic Recommended), API SN or equivalent
Engine Oil Spec 5.7L:
SAE 5W-20 (Synthetic Recommended), API SN or equivalent (NOTE: Use correct viscosity for HEMI)
Transmission Fluid Type:
ATF+4 (Mopar)
Coolant Type:
Chrysler HOAT (Hybrid Organic Acid Technology) Pink Coolant
Common Complaints Wk:
Water pump leaks (especially on HEMI), HVAC blend door actuator failures, ABS/ESP sensor issues, minor electrical gremlins, potential for catalytic converter failure on earlier models
Pentastar Swap Note:
This manual covers the original WK engines (3.7, 4.7, 5.7) and does not cover the later Pentastar V6 introduced in later generations.
Jeep Legacy:
Founded on military origins, synonymous with off-road capability and adventure
Grand Cherokee Lineage:
Introduced in 1993 as a premium SUV, bridging the gap between rugged capability and luxury comfort.
Wk Generation Debut:
The WK generation debuted for the 2005 model year, representing a significant redesign from the previous WJ model.
Manufacturing Location:
Jefferson North Assembly Plant in Detroit, Michigan, USA
Wk Production Years:
2005-2010