📚 Vehicle Manual Information

Jeep Grand Cherokee WJ 2001 All Service Repair Manual

🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Year:

2001

Platform:

WJ

Internal Model Code:

WJ

👋 Introduction

Segment:

Mid-size luxury SUV

Target Audience:

Jeep Grand Cherokee WJ owners seeking to perform DIY maintenance and repairs, professional mechanics.

Competitors 2001:

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

Off Road Capability:

Renowned Jeep off-road prowess, available with Quadra-Trac II and Selec-Trac full-time 4WD systems.

Comfort Luxury:

More refined interior and ride quality compared to previous generations, offering a balance of luxury and utility.

Utility:

Enables owners to maintain and repair their vehicle, saving on labor costs and ensuring proper upkeep.

Comprehensiveness:

Provides in-depth technical information, diagnostic procedures, and repair instructions equivalent to factory service manuals.

📋 Manual Details

Primary Coverage:

All mechanical and electrical systems

Specific Systems Covered:

Engine, Transmission, Drivetrain, Suspension, Brakes, Steering, Electrical, HVAC, Body, Emissions, Diagnostics

Estimated Pages:

Over 1500

Type:

Factory Service Manual (FSM) / Repair Manual

Language:

English

Format:

Downloadable Digital File (PDF)

📖 Manual Coverage

Engine:

Detailed diagnostics, repair procedures, torque specifications, component testing for both available engines.

Transmission:

Complete service and repair for automatic transmissions, including fluid changes, overhaul procedures, and electronic controls.

Drivetrain:

Front and rear axle repair, differential service, transfer case operation and repair, driveshaft and U-joint service.

Suspension:

Front and rear suspension component replacement, alignment procedures, shock absorber and spring service, steering linkage.

Brakes:

Disc brake system overhaul, ABS diagnostics and repair, parking brake service, hydraulic component replacement.

Electrical:

Comprehensive wiring diagrams, diagnostic procedures for all electrical components, lighting systems, power accessories, starting and charging systems.

HVAC:

Air conditioning system service, heating system repair, climate control module diagnostics and replacement.

Body:

Body panel alignment, door and latch repair, glass replacement, interior trim removal and installation, bumper service.

Emissions:

Catalytic converter function, EVAP system diagnostics, EGR valve testing, emissions control system troubleshooting.

Diagnostics:

OBD-II diagnostic trouble codes (DTCs) explanation, diagnostic strategies, sensor testing, ECU diagnosis.

Maintenance:

Oil change, filter replacements, fluid checks and changes, spark plug replacement, belt inspection and replacement.

Repair:

Engine internal component replacement, transmission rebuild, brake caliper and rotor replacement, suspension arm replacement.

Troubleshooting:

Step-by-step diagnostic guides for common and uncommon issues, symptom-based troubleshooting charts.

Installation:

Guidance on installing replacement parts and accessories.

Specifications:

Torque values, fluid capacities, alignment specs, diagnostic parameters.

Depth:

Comprehensive, covering everything from basic maintenance to complete engine and transmission overhauls, including electrical system diagnostics.

📊 Manual Specifications

Format:

PDF (Portable Document Format)

Searchability:

Typically text-searchable, allowing for quick location of specific topics.

Quality:

High-resolution, suitable for printing individual pages or the entire manual.

Binding:

N/A (Digital Download)

Paper:

N/A (Digital Download)

⚙️ Engine Specifications

Engine 1:

4.0L (3957cc) I6 OHV (PowerTech)

Engine 1 Horsepower:

190 hp @ 4600 rpm

Engine 1 Torque:

235 lb-ft @ 3000 rpm

Engine 1 Bore X Stroke:

3.88 x 3.41 in (98.5 x 86.7 mm)

Engine 1 Compression Ratio:

8.8:1

Engine 1 Fuel Induction:

Sequential Multi-port Fuel Injection (MPI)

Engine 2:

4.7L (4701cc) V8 SOHC (PowerTech)

Engine 2 Horsepower:

235 hp @ 4700 rpm

Engine 2 Torque:

300 lb-ft @ 3200 rpm

Engine 2 Bore X Stroke:

3.88 x 3.25 in (98.5 x 82.5 mm)

Engine 2 Compression Ratio:

9.0:1

Engine 2 Fuel Induction:

Sequential Multi-port Fuel Injection (MPI)

Fuel Type:

Unleaded gasoline (87 octane recommended)

Fuel Tank Capacity:

20.5 gallons (77.6 liters)

🔧 Transmission

Transmission Type:

4-speed automatic (42RE for 4.0L, 45RFE for 4.7L)

Optional Transmission:

None offered from factory

Transfer Case:

Available: NV242 Selec-Trac (full-time 2WD/4WD) or NV247 Quadra-Trac II (full-time 4WD with 2-speed transfer case)

Transmission Fluid Type:

ATF+4 (Mopar)

📐 Dimensions

Length:

186.6 in (4740 mm)

Width:

73.3 in (1862 mm)

Height:

66.7 in (1694 mm)

Wheelbase:

110.5 in (2807 mm)

Ground Clearance:

8.7 in (221 mm) (approximate, depending on tire)

Passenger Volume:

104.9 cu ft (2.97 m³)

Cargo Volume Behind 2Nd Row:

37.7 cu ft (1.07 m³)

Cargo Volume Max:

75.6 cu ft (2.14 m³)

Curb Weight:

4,281 - 4,765 lbs (1,942 - 2,161 kg) (approximate, depending on configuration)

Towing Capacity:

Up to 6,500 lbs (2,948 kg) (with proper equipment and configuration)

🛡️ Safety Features

NHTSA Frontal Impact Driver:

4 Stars

NHTSA Frontal Impact Passenger:

4 Stars

NHTSA Side Impact Front Passenger:

4 Stars

ABS:

Standard 4-wheel disc brakes with ABS

Traction Control:

Available (All-Speed Traction Control)

Airbags:

Standard front airbags, optional side curtain airbags

Seatbelts:

3-point seat belts with pretensioners

💡 Technology Features

Audio Options:

Factory AM/FM/CD player, optional Infinity Gold premium audio system with subwoofer.

Navigation:

Optional factory navigation system available on higher trim levels.

Cruise Control:

Standard

Parking Assist:

Not available from factory

Auxiliary Input:

Not available from factory (aftermarket solutions typically required)

Onboard Diagnostics:

OBD-II compliant

🔧 Maintenance

Oil Change Interval:

Every 5,000-7,500 miles (8,000-12,000 km) or 6 months, depending on driving conditions.

Air Filter Replacement:

Every 15,000-30,000 miles (24,000-48,000 km) or as needed based on inspection.

Spark Plug Replacement:

4.0L I6: ~100,000 miles (160,000 km) (Double Platinum); 4.7L V8: ~100,000 miles (160,000 km) (Platinum)

Transmission Fluid Change:

Every 30,000-60,000 miles (48,000-96,000 km) for normal use, sooner for severe use (towing, off-roading).

Engine Oil Type:

SAE 5W-30 (API certified)

Engine Oil Capacity 4.0L:

5 US quarts (4.7 liters) with filter

Engine Oil Capacity 4.7L:

6 US quarts (5.7 liters) with filter

Coolant Type:

Chrysler HOAT (Hybrid Organic Additive Technology) meeting MS-9769 specification (typically pink/orange)

Brake Fluid Type:

DOT 3

Common Problems:

Cracked exhaust manifolds (especially 4.7L V8), failing rear main seal, death wobble (steering/suspension), transmission issues (e.g., no reverse), HVAC blend door actuator failure, water pump leaks, PCM failure.

Preventative Maintenance:

Regular inspection and maintenance of suspension components, proactive replacement of known failure-prone parts, proper cooling system maintenance.

📚 Vehicle History

Jeep Legacy:

Jeep has a long history of producing capable off-road vehicles, dating back to its military origins in WWII.

Wj Generation:

The WJ generation (1999-2004) was a significant redesign from the previous ZJ, featuring unibody construction, a more refined interior, and updated powertrains. It moved towards a more upscale SUV market.

2001 Updates:

For 2001, the 4.7L V8 received minor power bumps and the available Quadra-Drive II system was introduced, combining Quadra-Trac II with power transfer differentials (PTDs) for enhanced off-road traction.

Production Years Wj:

1999-2004

Manufacturing Location:

Jefferson North Assembly Plant, Detroit, Michigan, USA

🏆 Awards & Recognition

Overall Reputation:

Praised for its comfortable ride, capable powertrains, and strong off-road performance, though known for some common mechanical issues.

Automotive Press Reviews:

Frequently cited in automotive reviews for its balance of luxury, utility, and Jeep's signature off-road capability.

Segment Performance:

A strong contender in the luxury SUV segment, often compared favorably to its domestic and import rivals for its V8 power and available 4x4 systems.