2004 Jeep Grand Cherokee Service Repair Workshop Manual

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🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Year: 2004 Codes Chassis Code: WJ 👋 Introduction Market Position Segment: Mid-size Luxury SUV Target Audience: Families, adventurers, those seeking off-road capability and towing prowess in a premium package. Competitive Analysis Key Competitors: Ford Explorer, Chevrolet TrailBlazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery. Key Features Platform: WJ platform, shared some components with Mercedes-Benz M-Class (W163). Powertrains: Renowned for robust engine options and capable 4x4 systems. Interior Appointments: Offered a more refined and luxurious interior compared to previous generations. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service, repair, and maintenance for the 2004 Jeep Grand Cherokee WJ platform. Page Count Estimated Page Count: Approximately 2000+ pages (typical for OEM equivalent service manuals) Manual Type Type: Workshop Service and Repair Manual Language Language: English Format Format: Digital (PDF), Searchable, Printable 📖 Manual Coverage Systems Covered Engine Mechanics: Engine assembly, disassembly, cylinder head, pistons, connecting rods, crankshaft, camshaft, valve train, lubrication system, cooling system. Fuel System: Fuel injection, fuel pump, fuel filter, fuel tank, evaporative emission control system (EVAP). Ignition System: Ignition coil, spark plugs, ignition timing, crankshaft position sensor, camshaft position sensor. Exhaust System: Exhaust manifold, catalytic converter, muffler, exhaust pipes, oxygen sensors (O2). Transmission Manual: 42RLE Automatic Transmission: overhaul, diagnostics, torque converter, valve body, clutch packs, seals. Transmission Automatic: NV3500 Manual Transmission (if applicable): clutch, gearbox, shift linkage. Drivetrain Front Axle: Front axle assembly, CV joints, differential, axle shafts, hub bearings. Drivetrain Rear Axle: Rear axle assembly, differential, axle shafts, housing, pinion seal. Transfer Case: NV242 (Selec-Trac) and NV247 (Quadra-Trac II) Transfer Cases: operation, overhaul, fluid specifications. Brakes Front: Disc brakes: calipers, rotors, brake pads, brake lines, ABS system components. Brakes Rear: Disc brakes: calipers, rotors, brake pads, brake lines, parking brake mechanism. Suspension Front: Independent Front Suspension (IFS): control arms, ball joints, coil springs, shock absorbers, sway bar, steering knuckles. Suspension Rear: Solid Rear Axle: track bars, control arms, coil springs, shock absorbers, sway bar. Steering System: Power steering: pump, steering gear, tie rods, drag link, steering column. Wheels Tires: Wheel alignment specifications, tire pressure, lug nut torque. Body Exterior: Body panels, doors, hood, tailgate, bumpers, glass, mirrors, rust prevention. Body Interior: Seats, upholstery, dashboard, trim panels, headliner, carpeting. Heating Ventilation Air Conditioning: HVAC system, A/C compressor, evaporator, condenser, blower motor, climate control panel, cabin air filter. Electrical System Battery: Battery specifications, charging system (alternator), starter motor. Electrical System Lighting: Headlights, taillights, interior lighting, fog lights, bulb replacement. Electrical System Instruments: Instrument cluster, gauges, warning lights, speed sensor, tachometer. Electrical System Accessories: Power windows, power locks, power mirrors, sunroof, trailer towing wiring harness. Audio Visual System: Radio, speakers, amplifier, antenna, navigation system (if equipped). Security System: Anti-theft system, immobilizer, keyless entry, alarm. Driver Assistance Safety: ABS, Traction Control (ASR), Electronic Stability Control (ESC) - if equipped. Procedures Included Maintenance Procedures: Oil changes, filter replacements, fluid checks and changes, tire rotation, brake service, battery maintenance. Troubleshooting Diagnostics: Diagnostic trouble codes (DTCs), symptom-based diagnostics, electrical system troubleshooting charts, component testing. Repair Procedures: Step-by-step instructions for component removal, installation, and repair for all major systems. Rebuild Procedures: Complete overhaul procedures for engines, transmissions, and transfer cases. Wiring Diagrams: Detailed electrical wiring diagrams for all vehicle systems, including connector views and pinouts. Specifications Tables: Torque specifications, clearances, fluid capacities, diagnostic values, alignment data. Technical Bulletins: Inclusion of relevant Technical Service Bulletins (TSBs) for common issues and fixes. Technical Depth Depth: Comprehensive, covering from basic preventative maintenance to complete engine and transmission rebuilds, including advanced diagnostics and electrical troubleshooting. 📊 Manual Specifications File Format PDF Quality: High resolution, vector-based graphics and text for clear printing and screen viewing. Searchability: Fully text-searchable PDF allowing quick access to specific information. Print Quality Printability: Designed for seamless printing of individual pages or entire sections. Binding Type Binding: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine 1: 4.0L (3956cc) I6 OHV PowerTech (PowerTech I6) Engine 1 Code: ERH Engine 2: 4.7L (4701cc) V8 OHV Magnum (PowerTech V8) Engine 2 Code: EVE / EVA Performance Engine 1 Horsepower: 195 hp @ 4600 rpm Engine 1 Torque: 230 lb-ft @ 3200 rpm Engine 2 Horsepower: 235 hp @ 4500 rpm (early models), 255 hp @ 4500 rpm (later models) Engine 2 Torque: 285 lb-ft @ 3200 rpm (early models), 325 lb-ft @ 3800 rpm (later models) Fuel System Fuel Induction: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded gasoline Fuel Tank Capacity: 20.5 US gallons (77.6 L) 🔧 Transmission Standard Transmission Type: 42RLE 4-speed automatic transmission Optional Transmission Type Optional: NV3500 5-speed manual transmission (rare, typically with 4.0L I6) Features 4X4 Systems: Selec-Trac (NV242) and Quadra-Trac II (NV247) with Command-Trac (NV231) as a less common option. Gear Ratios 42Rle: 1st: 2.804, 2nd: 1.579, 3rd: 1.000, 4th: 0.752, Reverse: 2.000 📐 Dimensions Exterior...

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Mots clés: 2004 23 Car Case Construction Excavators Grand Cherokee Jeep

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Description

🏷️ Basic Information

Identification

Make:

Model:

Grand Cherokee

Year:

Codes

Chassis Code:

👋 Introduction

Market Position

Segment:

Mid-size Luxury SUV

Target Audience:

Families, adventurers, those seeking off-road capability and towing prowess in a premium package.

Competitive Analysis

Key Competitors:

Ford Explorer, Chevrolet TrailBlazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery.

Key Features

Platform:

WJ platform, shared some components with Mercedes-Benz M-Class (W163).

Powertrains:

Renowned for robust engine options and capable 4x4 systems.

Interior Appointments:

Offered a more refined and luxurious interior compared to previous generations.

📋 Manual Details

Coverage Areas

Coverage Scope:

Comprehensive service, repair, and maintenance for the 2004 Jeep Grand Cherokee WJ platform.

Page Count

Estimated Page Count:

Approximately 2000+ pages (typical for OEM equivalent service manuals)

Manual Type

Type:

Workshop Service and Repair Manual

Language

Language:

English

Format

Format:

Digital (PDF), Searchable, Printable

📖 Manual Coverage

Systems Covered

Engine Mechanics:

Engine assembly, disassembly, cylinder head, pistons, connecting rods, crankshaft, camshaft, valve train, lubrication system, cooling system.

Fuel System:

Fuel injection, fuel pump, fuel filter, fuel tank, evaporative emission control system (EVAP).

Ignition System:

Ignition coil, spark plugs, ignition timing, crankshaft position sensor, camshaft position sensor.

Exhaust System:

Exhaust manifold, catalytic converter, muffler, exhaust pipes, oxygen sensors (O2).

Transmission Manual:

42RLE Automatic Transmission: overhaul, diagnostics, torque converter, valve body, clutch packs, seals.

Transmission Automatic:

NV3500 Manual Transmission (if applicable): clutch, gearbox, shift linkage.

Drivetrain Front Axle:

Front axle assembly, CV joints, differential, axle shafts, hub bearings.

Drivetrain Rear Axle:

Rear axle assembly, differential, axle shafts, housing, pinion seal.

Transfer Case:

NV242 (Selec-Trac) and NV247 (Quadra-Trac II) Transfer Cases: operation, overhaul, fluid specifications.

Brakes Front:

Disc brakes: calipers, rotors, brake pads, brake lines, ABS system components.

Brakes Rear:

Disc brakes: calipers, rotors, brake pads, brake lines, parking brake mechanism.

Suspension Front:

Independent Front Suspension (IFS): control arms, ball joints, coil springs, shock absorbers, sway bar, steering knuckles.

Suspension Rear:

Solid Rear Axle: track bars, control arms, coil springs, shock absorbers, sway bar.

Steering System:

Power steering: pump, steering gear, tie rods, drag link, steering column.

Wheels Tires:

Wheel alignment specifications, tire pressure, lug nut torque.

Body Exterior:

Body panels, doors, hood, tailgate, bumpers, glass, mirrors, rust prevention.

Body Interior:

Seats, upholstery, dashboard, trim panels, headliner, carpeting.

Heating Ventilation Air Conditioning:

HVAC system, A/C compressor, evaporator, condenser, blower motor, climate control panel, cabin air filter.

Electrical System Battery:

Battery specifications, charging system (alternator), starter motor.

Electrical System Lighting:

Headlights, taillights, interior lighting, fog lights, bulb replacement.

Electrical System Instruments:

Instrument cluster, gauges, warning lights, speed sensor, tachometer.

Electrical System Accessories:

Power windows, power locks, power mirrors, sunroof, trailer towing wiring harness.

Audio Visual System:

Radio, speakers, amplifier, antenna, navigation system (if equipped).

Security System:

Anti-theft system, immobilizer, keyless entry, alarm.

Driver Assistance Safety:

ABS, Traction Control (ASR), Electronic Stability Control (ESC) - if equipped.

Procedures Included

Maintenance Procedures:

Oil changes, filter replacements, fluid checks and changes, tire rotation, brake service, battery maintenance.

Troubleshooting Diagnostics:

Diagnostic trouble codes (DTCs), symptom-based diagnostics, electrical system troubleshooting charts, component testing.

Repair Procedures:

Step-by-step instructions for component removal, installation, and repair for all major systems.

Rebuild Procedures:

Complete overhaul procedures for engines, transmissions, and transfer cases.

Wiring Diagrams:

Detailed electrical wiring diagrams for all vehicle systems, including connector views and pinouts.

Specifications Tables:

Torque specifications, clearances, fluid capacities, diagnostic values, alignment data.

Technical Bulletins:

Inclusion of relevant Technical Service Bulletins (TSBs) for common issues and fixes.

Technical Depth

Depth:

Comprehensive, covering from basic preventative maintenance to complete engine and transmission rebuilds, including advanced diagnostics and electrical troubleshooting.

📊 Manual Specifications

File Format

PDF Quality:

High resolution, vector-based graphics and text for clear printing and screen viewing.

Searchability:

Fully text-searchable PDF allowing quick access to specific information.

Print Quality

Printability:

Designed for seamless printing of individual pages or entire sections.

Binding Type

Binding:

N/A (Digital Format)

Paper Type

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Primary Engine

Engine 1:

4.0L (3956cc) I6 OHV PowerTech (PowerTech I6)

Engine 1 Code:

Engine 2:

4.7L (4701cc) V8 OHV Magnum (PowerTech V8)

Engine 2 Code:

EVE / EVA

Performance

Engine 1 Horsepower:

195 hp @ 4600 rpm

Engine 1 Torque:

230 lb-ft @ 3200 rpm

Engine 2 Horsepower:

235 hp @ 4500 rpm (early models), 255 hp @ 4500 rpm (later models)

Engine 2 Torque:

285 lb-ft @ 3200 rpm (early models), 325 lb-ft @ 3800 rpm (later models)

Fuel System

Fuel Induction:

Sequential Multi-Port Fuel Injection (MPI)

Fuel Type:

Unleaded gasoline

Fuel Tank Capacity:

20.5 US gallons (77.6 L)

🔧 Transmission

Standard

Transmission Type:

42RLE 4-speed automatic transmission

Optional

Transmission Type Optional:

NV3500 5-speed manual transmission (rare, typically with 4.0L I6)

Features

4X4 Systems:

Selec-Trac (NV242) and Quadra-Trac II (NV247) with Command-Trac (NV231) as a less common option.

Gear Ratios 42Rle:

1st: 2.804, 2nd: 1.579, 3rd: 1.000, 4th: 0.752, Reverse: 2.000

📐 Dimensions

Exterior

Length:

184.6 inches (4689 mm)

Width:

73.3 inches (1862 mm)

Height:

68.5 inches (1740 mm)

Wheelbase:

116.0 inches (2946 mm)

Interior

Passenger Volume:

Approx. 105.1 cu ft (2976 L)

Cargo

Cargo Volume Behind 2Nd Row:

Approx. 31.5 cu ft (892 L)

Cargo Volume Max:

Approx. 77.0 cu ft (2180 L)

Weights

Curb Weight Min:

Approx. 4350 lbs (1973 kg)

Curb Weight Max:

Approx. 4650 lbs (2109 kg)

Gross Vehicle Weight Rating:

Approx. 5800 lbs (2631 kg) - 6000 lbs (2722 kg) depending on configuration

Towing Capacity:

Up to 5,000 lbs (2268 kg) with appropriate towing package

🛡️ Safety Features

Ratings

NHTSA Front Impact Driver:

4 Stars

NHTSA Front Impact Passenger:

4 Stars

NHTSA Side Impact Front Seat:

5 Stars

NHTSA Side Impact Rear Seat:

5 Stars

IIHS Frontal Offset:

Active Features

Standard Anti-lock Braking System (ABS)

Traction Control:

Available Traction Control (ASR) on 2WD models, standard on Quadra-Trac II.

Stability Control:

Available Electronic Stability Control (ESC) - optional on later models.

Passive Features

Airbags Front:

Dual front airbags

Airbags Side:

Available front side-impact airbags

Seatbelts:

3-point front seatbelts with pretensioners, rear seatbelts.

💡 Technology Features

Infotainment

Audio System:

Available Infinity Gold premium audio system with amplifier and subwoofer. Standard AM/FM stereo with CD player.

Navigation:

Optional factory navigation system (limited availability, often dated).

Climate Control:

Manual and optional automatic dual-zone climate control.

Driver Assistance

Cruise Control:

Standard cruise control.

Keyless Entry:

Optional keyless entry and remote start.

Connectivity

Trailer Tow Prep:

Optional trailer tow package including wiring harness and transmission cooler.

Auxiliary Power:

Multiple 12V power outlets throughout the cabin.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,000-7,500 miles (4,800-12,000 km) or 6 months, depending on driving conditions and oil type.

Engine Air Filter:

Replace every 15,000-30,000 miles (24,000-48,000 km).

Cabin Air Filter:

Replace every 15,000-20,000 miles (24,000-32,000 km).

Spark Plugs 4.0L I6:

Replace every 100,000 miles (160,000 km) with Champion copper or iridium plugs.

Spark Plugs 4.7L V8:

Replace every 100,000 miles (160,000 km) with Champion iridium plugs.

Transmission Fluid Change 42Rle:

Every 30,000-60,000 miles (48,000-96,000 km), especially under severe use.

Fluid Specifications

Engine Oil 4.0L I6:

SAE 5W-30, API SN (or equivalent) synthetic blend or full synthetic. Capacity: 6 quarts (5.7 liters) with filter.

Engine Oil 4.7L V8:

SAE 5W-30, API SN (or equivalent) synthetic blend or full synthetic. Capacity: 5 quarts (4.7 liters) with filter.

Transmission Fluid 42Rle:

ATF+4 (Mopar designation) or equivalent specification (e.g., Mopar 05013457AA).

Transfer Case Fluid Nv242:

Mopar NV242 Transfer Case Lubricant or equivalent (e.g., Mopar 05010236AA). Typically 1.5 quarts (1.4 L).

Transfer Case Fluid Nv247:

Mopar NV247 Transfer Case Lubricant or equivalent (e.g., Mopar 05013457AA). Typically 2.0 quarts (1.9 L).

Coolant:

Mopar HOAT (Hybrid Organic Acid Technology) coolant or equivalent. Typically 50/50 mix of antifreeze and distilled water. Capacity: Approx. 12.1 quarts (11.5 L) for 4.0L, 13.3 quarts (12.6 L) for 4.7L.

Power Steering Fluid:

Mopar Power Steering Fluid or equivalent (e.g., ATF+4 in some cases, check manual). Capacity: Approx. 1.3 quarts (1.2 L).

Brake Fluid:

DOT 3 brake fluid.

Known Issues

Common Issue 1:

Radiator leaks (especially plastic tanks), leading to overheating. Common replacement is an all-aluminum unit.

Common Issue 2:

Cracked exhaust manifolds (especially on the 4.7L V8), causing ticking noises and exhaust leaks.

Common Issue 3:

Water pump failure and leaks.

Common Issue 4:

Transmission shifting issues or failure in the 42RLE transmission, often related to valve body or solenoids.

Common Issue 5:

Front suspension wear (ball joints, tie rods, control arm bushings) due to vehicle weight and usage.

Common Issue 6:

Front differential pinion seal leaks.

Common Issue 7:

EVAP system issues (e.g., P0440, P0442 codes) often due to faulty vent solenoid or gas cap.

Common Issue 8:

Chrysler's 'Death Wobble' (front-end shimmy) on early WJ models, often related to worn steering components or track bar bushings.

Common Issue 9:

Heater core leaks or A/C performance issues.

Common Issue 10:

O2 sensor failures, impacting fuel economy and emissions.

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Jeep has a long-standing reputation for off-road capability and ruggedness, established with military vehicles and iconic models like the Willys Jeep and Cherokee (XJ).

Model Evolution

Grand Cherokee Introduction:

The Grand Cherokee was introduced in 1993 as a more luxurious and upscale alternative to the Cherokee (XJ).

Wj Generation:

The WJ generation (1999-2004) represented a significant redesign, featuring unibody construction, independent front suspension, and a more sophisticated interior and powertrain lineup.

Facelift 2002:

Received a significant facelift for the 2002 model year, including updated exterior styling (grille, headlights, bumpers) and interior enhancements.

Production

Production Period:

1999-2004

Manufacturing Location:

Jefferson North Assembly, Detroit, Michigan, USA.

🏆 Awards & Recognition

Recognitions

Off Road Awards:

Jeep Grand Cherokee often recognized for its off-road prowess and capability in its class.

SUV Of The Year:

While specific awards for the 2004 model might be niche, the Grand Cherokee line has historically received numerous awards for design, utility, and value.

Ratings

Consumer Reports:

Consumer Reports ratings for the 2004 model varied, often highlighting strengths in performance and capability but noting average to below-average reliability in certain areas.