🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Model Code:

WK

Year:

2005

👋 Introduction

Positioning:

The Jeep Grand Cherokee WK (2005) was positioned as a premium mid-size SUV, blending luxury, off-road capability, and comfort.

Competitors:

Competed against vehicles like the Ford Explorer, Chevrolet TrailBlazer, Toyota Highlander, and Lexus RX.

Segment Appeal:

Off-road prowess (Quadra-Drive II system), comfortable ride, refined interior, available V8 engines, and towing capacity.

Utility:

Indispensable tool for owners performing DIY repairs, maintenance, or for professional mechanics and parts departments seeking precise part identification.

Accuracy:

Ensures accuracy in ordering and replacing parts, preventing costly mistakes and downtime.

📋 Manual Details

Coverage Scope:

Comprehensive parts catalog for all components of the Jeep Grand Cherokee WK (2005 model year).

Estimated Page Count:

Varies by specific system/section, but extensive due to detailed part breakdown. Likely several hundred pages.

Type:

Parts Catalog / Parts Manual

Language:

English

Format:

Digital (implied by description allowing enlargement, likely PDF or similar accessible format)

📖 Manual Coverage

Engine Components:

Cylinder head, block, crankshaft, pistons, valves, timing components, lubrication system, cooling system, fuel delivery, ignition system, emissions control.

Transmission Drivetrain:

Automatic transmission (e.g., NAG1/W5A580 or 545RFE), transfer case, front/rear drive axles, differentials, driveshafts, CV joints.

Suspension Steering:

Front and rear suspension components (control arms, ball joints, springs, shock absorbers/struts), steering gear, power steering pump, tie rods, steering column.

Brakes:

Front and rear brake assemblies (calipers, rotors, pads), master cylinder, brake booster, ABS components, parking brake system.

Electrical Electronics:

Wiring harnesses, engine control module (ECM), body control module (BCM), sensors, actuators, lighting systems (headlights, taillights, interior), battery, alternator, starter motor, fuse box, relays.

Body Chassis:

Body panels (fenders, doors, hood, tailgate), bumpers, glass, seals, trim pieces, chassis frame components, mounting hardware.

Interior Appointments:

Seating components, dashboard assembly, center console, door panels, interior trim, climate control system components (HVAC), audio system components.

Cooling System:

Radiator, water pump, thermostat, hoses, cooling fan assembly.

Fuel System:

Fuel tank, fuel pump, fuel injectors, fuel filter, fuel lines.

Part Identification:

Identification of every individual part with corresponding OEM part numbers.

Assembly Disassembly Reference:

Exploded diagrams clearly illustrating the assembly and disassembly order of various components.

Component Ordering:

Facilitates accurate ordering of replacement parts by providing exact manufacturer part numbers.

Detail Level:

Highly detailed, providing OEM part numbers and graphical representations for every component.

Diagram Quality:

Professional quality exploded diagrams, allowing for close examination of even small parts.

📊 Manual Specifications

Format Description:

Likely a searchable PDF document, allowing for text input and quick navigation to specific part groups.

Readability:

Designed for clarity and detail, ensuring readability of diagrams and part numbers even when zoomed.

Binding:

Not Applicable (for digital format)

Paper Type:

Not Applicable (for digital format)

⚙️ Engine Specifications

Engine Options 2005:

3.7L V6 (PowerTech), 4.7L V8 (PowerTech), 5.7L V8 HEMI (HEMI).

Displacement 3.7L:

3.7 Liters (226 cubic inches)

Horsepower 3.7L:

Approx. 210 hp @ 5200 rpm

Torque 3.7L:

Approx. 235 lb-ft @ 4000 rpm

Displacement 4.7L:

4.7 Liters (287 cubic inches)

Horsepower 4.7L:

Approx. 235 hp @ 4500 rpm

Torque 4.7L:

Approx. 300 lb-ft @ 3000 rpm

Displacement 5.7L:

5.7 Liters (345 cubic inches)

Horsepower 5.7L:

Approx. 330 hp @ 5000 rpm

Torque 5.7L:

Approx. 375 lb-ft @ 4000 rpm

Fuel Delivery:

Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded gasoline (87 octane recommended for V6/4.7L V8; 89 octane or higher recommended for 5.7L HEMI)

Engine Control Unit:

ECU/PCM (Part numbers specific to engine and transmission configuration)

🔧 Transmission

Standard Transmission Type:

4-speed automatic (42RLE) for 3.7L V6; 5-speed automatic (545RFE) for 4.7L V8 and 5.7L HEMI.

Optional Transmission Type:

Some export markets or specific trims may have used the 5-speed Mercedes-Benz NAG1 (W5A580) transmission.

Drivetrain:

Standard rear-wheel drive (RWD) or optional four-wheel drive (4WD) systems (Quadra-Trac I, Quadra-Trac II, Quadra-Drive II).

Transmission Fluid Spec 42Rle:

ATF+4 (MS-9602)

Transmission Fluid Spec 545Rfe W5A580:

ATF+4 (MS-9602) or equivalent specified fluid.

📐 Dimensions

Wheelbase:

116.1 inches (2950 mm)

Length:

189.4 inches (4811 mm)

Width:

74.8 inches (1900 mm)

Height:

68.8 inches (1748 mm)

Curb Weight Approx:

4,200 - 4,900 lbs (1905 - 2223 kg), depending on engine and drivetrain.

Towing Capacity Max:

Up to 8,950 lbs (4059 kg) for 5.7L HEMI models with proper equipment.

🛡️ Safety Features

NHTSA Front Impact Driver:

Good (2005 model year testing)

NHTSA Front Impact Passenger:

Good (2005 model year testing)

NHTSA Side Impact Front Seat Passenger:

Good (2005 model year testing)

NHTSA Side Impact Rear Seat Passenger:

Good (2005 model year testing)

ABS:

Standard Anti-lock Braking System (ABS)

Traction Control:

Standard Electronic Traction Control (ETC) or optional Electronic Stability Program (ESP/ESC).

All Wheel Drive:

Optional advanced 4WD systems for enhanced traction and capability.

Airbags:

Standard front airbags, optional front side-curtain airbags and/or front seat-mounted side airbags.

Seatbelts:

Three-point seat belts with pretensioners for front occupants, LATCH child seat anchors.

💡 Technology Features

Infotainment Options:

Available premium audio systems (Bose), optional navigation system, SiriusXM satellite radio.

Available Features:

ParkView rear backup camera (late 2005 models/2006MY), adjustable pedals.

Auxiliary Input:

Auxiliary input jack for audio devices (available on higher trims).

Climate Control Types:

Manual climate control and available dual-zone automatic climate control.

🔧 Maintenance

Oil Change Interval:

Every 3,000-5,000 miles or 3-6 months (depending on driving conditions and oil type used). Refer to owner's manual for precise intervals.

Air Filter Replacement:

Every 15,000-30,000 miles, or as needed based on inspection.

Spark Plug Replacement:

Varies by engine: 3.7L V6 (approx. 100,000 miles with platinum plugs), 4.7L V8 (approx. 100,000 miles), 5.7L HEMI (approx. 100,000 miles with MDS compatible plugs).

Engine Oil Capacity 3.7L:

5.0 US quarts (4.7 Liters) with filter change.

Engine Oil Capacity 4.7L:

5.7 US quarts (5.4 Liters) with filter change.

Engine Oil Capacity 5.7L:

7.0 US quarts (6.6 Liters) with filter change.

Engine Oil Spec:

SAE 5W-20 or 5W-30 (check owner's manual for specific viscosity based on ambient temperature). API certified.

Coolant Type:

Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, typically Mopar OAT 50/50 mix or equivalent HOAT (Hybrid Organic Additive Technology).

Common Problems Wk:

Potential issues include: HVAC blend door actuator failures, power steering pump noise/leaks, front suspension component wear (ball joints, tie rods), transmission fluid leaks (especially at cooler lines), and electronic module failures.

Hemi Mds Issues:

On HEMI models with Multi-Displacement System (MDS), lifter issues or excessive oil consumption can occur if not properly maintained or if the system fails.

📚 Vehicle History

Jeep Legacy:

Jeep has a long-standing reputation for off-road capability and durable SUVs dating back to WWII.

Wk Generation Introduction:

The WK generation of the Grand Cherokee debuted for the 2005 model year, marking a significant redesign from the WJ generation.

Wk Key Changes:

Introduced more upscale styling, improved interior materials, the HEMI V8 option, and advanced 4WD systems.

Manufacturing Location:

Jefferson North Assembly Plant, Detroit, Michigan, USA.

🏆 Awards & Recognition

Automotive Press Awards:

Often praised by automotive media for its blend of luxury, capability, and performance, particularly with the HEMI engine.