Segment:
Mid-size Luxury SUV
Target Audience:
Families, off-road enthusiasts, luxury SUV buyers seeking capability and comfort.
Key Competitors:
Ford Explorer, Toyota 4Runner, Chevrolet Trailblazer, Lexus RX, BMW X5, Mercedes-Benz M-Class.
Strengths:
Off-road capability (Quadra-Lift air suspension, advanced 4WD systems), powerful HEMI engine options, comfortable interior, towing capacity.
Weaknesses:
Fuel economy (especially with V8 engines), interior materials quality compared to some German rivals, potential for electronic gremlins in later years.
Vehicle Years Covered:
2005, 2006, 2007, 2008
Engine Variants Covered:
3.7L V6, 4.7L V8, 5.7L HEMI V8, 6.1L HEMI V8 (SRT8)
Trim Levels Covered:
Laredo, Limited, Overland, SRT8
Estimated Pages:
Approximately 2500-3000 (typical for comprehensive service manuals of this era)
Type:
Factory Service Manual / Repair Manual
Powertrain:
Engine mechanical, fuel system, lubrication, cooling system, ignition system, exhaust system, engine control systems (PCM/ECM), transmission (automatic, NV245/NV140/NV240 transfer cases), final drive, axles, driveshafts.
Chassis:
Suspension (front and rear independent), steering system, braking system (ABS, ESP), wheels and tires.
Body And Trim:
Body construction, exterior and interior trim, doors, windows, glass, sunroof, seats, HVAC system, power accessories (mirrors, seats, windows, locks).
Electrical:
Battery, charging system, starting system, lighting (headlamps, taillamps, interior), instrument cluster, body control module (BCM), power distribution, infotainment system, comfort and convenience features, diagnostic trouble codes (DTCs), wiring diagrams.
Maintenance:
Scheduled maintenance intervals, fluid checks and changes (engine oil, coolant, transmission fluid, brake fluid, power steering fluid, differential fluid), filter replacements, tire rotation and pressure checks.
Diagnostics:
Troubleshooting guides, diagnostic procedures for all major systems, symptom-based diagnostics, use of diagnostic scan tools (e.g., STARSCAN).
Repair:
Detailed step-by-step repair procedures for all mechanical and electrical components, including engine overhaul, transmission service, brake caliper replacement, suspension component repair, electrical component replacement, body panel repair.
Specifications:
Torque specifications for fasteners, fluid capacities, component clearances, diagnostic parameters, electrical specifications, alignment specifications.
Depth:
Comprehensive, covering everything from routine maintenance and fluid checks to complete engine and transmission rebuilds, advanced electrical diagnostics, and bodywork repairs. Includes detailed wiring diagrams and component locations.
3.7L V6:
210-215 hp @ 5200-5500 rpm, 235-240 lb-ft @ 4000 rpm (SOHC, 12 valves)
4.7L V8:
235-255 hp @ 4900-5000 rpm, 290-325 lb-ft @ 3200-3500 rpm (SOHC, 16 valves)
5.7L Hemi V8:
325-357 hp @ 5000-5200 rpm, 375-390 lb-ft @ 4000-4400 rpm (OHV, 16 valves, MDS - Multi-Displacement System)
6.1L Hemi V8 (Srt8):
420 hp @ 6000 rpm, 420 lb-ft @ 4800 rpm (OHV, 16 valves)
0-60 Mph Estimates:
Ranges from ~7.0s (5.7L HEMI) to ~9.5s (3.7L V6).
Injection Type:
Sequential Multi-Port Fuel Injection (MPI)
Recommended Fuel:
87 octane (3.7L, 4.7L). 89 octane recommended for 5.7L HEMI, 91+ octane for 6.1L HEMI SRT8.
Passenger Volume:
~105 cu. ft.
Cargo Volume Behind Rear Seat:
~35 cu. ft.
Cargo Volume With Rear Seat Folded:
~70 cu. ft.
Curb Weight Est:
~4,500 - 5,000 lbs (depending on engine and drivetrain)
Max Towing Capacity:
Up to 7,200 lbs (with appropriate towing package and engine)
NHTSA Frontal Crash Test:
5-star (driver and passenger)
NHTSA Side Impact Crash Test:
5-star (front and rear passengers)
Electronic Stability Control:
Standard (ESP - Electronic Stability Program)
Traction Control:
Standard (TCS - Traction Control System)
Anti-Lock Brakes:
Standard (ABS - Anti-lock Braking System)
Airbags:
Standard front airbags, available side-curtain airbags.
Seat Belts:
3-point front and rear seat belts with pretensioners.
Available Systems:
Chrysler's MyGig infotainment system (optional, with navigation, SIRIUS Satellite Radio, CD/DVD changer, Uconnect hands-free communication).
Audio Options:
Boston Acoustics premium sound system (optional).
Parking Assist:
ParkSense (rear park assist sensors).
Navigation:
Optional GPS navigation system integrated into MyGig unit.
Bluetooth:
Uconnect Bluetooth hands-free communication (optional).
Oil Change Interval:
Every 7,500 miles or 6 months, whichever comes first (with synthetic blend or synthetic oil).
Tire Rotation:
Every 7,500 miles.
Coolant Flush:
Every 5 years or 100,000 miles (OAT coolant).
Transmission Fluid Change:
Every 60,000 miles (for typical driving) or 30,000 miles (for severe use/towing).
Engine Oil 3.7L/4.7L:
SAE 5W-20 (API Certified)
Engine Oil 5.7L Hemi:
SAE 5W-20 (API Certified)
Engine Oil 6.1L Hemi:
SAE 0W-40 (API Certified)
Coolant:
Chrysler HOAT (Hybrid Organic Additive Technology) OAT coolant (typically pink).
Transmission Fluid:
ATF+4 (Chrysler part number 05013457AA)
Power Steering Fluid:
ATF+4
Differential Fluid Front/Rear:
API GL-5, SAE 75W-90 (or specific QDII fluid for ELSD)
Common Problems:
Cooling system leaks (radiator, water pump), oil leaks (valve cover gaskets, oil pan gasket), front suspension wear (ball joints, control arm bushings), electronic issues (BCM, power accessory failures), transmission solenoid failures, catalytic converter issues.
Jeep Legacy:
Jeep has a long-standing heritage in producing rugged, off-road capable vehicles dating back to WWII Willys MB. This legacy carries into the Grand Cherokee's design and engineering.
Grand Cherokee Lineage:
The Grand Cherokee was introduced in 1993 as a more luxurious and comfortable alternative to the Cherokee (XJ). The WK generation (2005-2010) represented a significant redesign from the previous WJ, featuring a more modern unibody platform and independent front suspension.
Manufacturing Locations:
Jefferson North Assembly Plant, Detroit, Michigan, USA.
Production Run:
2005 - 2008 (part of the WK generation, which ran from 2005-2010).
Motor Trend SUV Of The Year:
Grand Cherokee was a finalist for MotorTrend SUV of the Year for 2005.
Off Road Capability Awards:
Frequently recognized for its off-road prowess by various automotive publications and enthusiast groups.
Konsumen Reports Reliability:
Varied reliability ratings depending on the specific engine and powertrain, with some years and configurations receiving average to below-average marks in consumer reports.
