🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Model Code:

WJ

Year:

2001

Chassis Code:

WJ

👋 Introduction

Segment:

Mid-size/Full-size Luxury SUV

Target Audience:

Jeep Grand Cherokee WJ owners seeking to perform maintenance and repairs themselves or to better understand their vehicle.

Competitors 2001:

Ford Explorer, Chevrolet TrailBlazer, Toyota 4Runner, Land Rover Discovery

Wj Differentiators:

Renowned Jeep off-road capability, comfortable ride, optional powerful V8 engine, upscale interior for its class.

Vehicle Strengths:

Off-road prowess, strong engine options, spacious interior, towing capability.

Manual Value Proposition:

Empowers owners with the official, detailed information needed for accurate diagnostics, maintenance, and repairs, saving time and money.

📋 Manual Details

General Coverage:

All models and engines for 2001 Jeep Grand Cherokee WJ

Specific Systems Covered:

Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, HVAC, Body, Fuel System, Cooling System, Exhaust System, Diagnostic Codes, Maintenance Procedures, Repair Procedures, Wiring Diagrams

Estimated Page Count:

1500+

Type:

Official Service and Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Detailed disassembly, inspection, assembly, and troubleshooting for all included engines.

Engine Electrical:

Ignition system, fuel injection, sensors, actuators, ECU diagnostics, and wiring diagrams.

Transmission Automatic:

Service, diagnosis, repair, and overhaul procedures for automatic transmissions.

Drivetrain:

Front and rear axle assemblies, differentials, transfer case, driveshafts, and CV joints.

Suspension:

Front and rear suspension components, shock absorbers, springs, control arms, bushings, and alignment specifications.

Steering:

Power steering system, steering gear, tie rods, steering column, and alignment procedures.

Brakes:

Front and rear brake systems (disc/disc), ABS, parking brake, hydraulic system, and component replacement.

Electrical System Body:

Lighting, power windows, door locks, mirrors, seats, sunroof, wipers, horn, and related wiring.

HVAC:

Air conditioning, heating system, climate control, blower motor, evaporator, condenser, and refrigerant handling.

Fuel System:

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

Cooling System:

Radiator, water pump, thermostat, hoses, fan, and coolant specifications.

Exhaust System:

Exhaust manifolds, catalytic converter, mufflers, pipes, and emissions control components.

Maintenance:

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

Troubleshooting:

Diagnostic procedures for common problems, fault code interpretation, and systematic diagnosis.

Repair:

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

Rebuilds:

Complete engine and transmission overhaul procedures, including torque specifications and clearances.

Diagnostics:

OBD-II diagnostics, scan tool usage, diagnostic trouble codes (DTCs), and live data interpretation.

Wiring Diagrams:

Detailed electrical schematics for all major systems, including connector views and component locations.

Depth:

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

📊 Manual Specifications

Format:

PDF

Searchability:

Text-searchable for quick information retrieval

Printable:

Printable pages for hands-on use

Quality:

High-resolution images and diagrams

Binding:

N/A (Digital PDF)

Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Option 1:

4.0L Inline-6 (PowerTech)

Engine Option 1 Code:

ERH

Engine Option 1 Displacement:

3952 cc

Engine Option 1 Bore X Stroke:

3.88 in x 3.57 in (98.5 mm x 90.6 mm)

Engine Option 1 Compression Ratio:

8.8:1

Engine Option 1 Horsepower:

190 hp @ 4600 rpm

Engine Option 1 Torque:

235 lb-ft @ 3200 rpm

Engine Option 2:

4.7L V8 (PowerTech)

Engine Option 2 Code:

A8M

Engine Option 2 Displacement:

4701 cc

Engine Option 2 Bore X Stroke:

3.70 in x 3.37 in (94.0 mm x 85.6 mm)

Engine Option 2 Compression Ratio:

9.6:1

Engine Option 2 Horsepower:

235 hp @ 4500 rpm

Engine Option 2 Torque:

325 lb-ft @ 3200 rpm

Fuel Type:

Unleaded Gasoline

Induction:

Sequential Multi-Port Fuel Injection (MPI)

Emission Control:

Electronic emissions control, OBD-II compliant

🔧 Transmission

Standard Transmission:

4-speed Automatic (42RE for 4.0L I6, 45RFE for 4.7L V8)

Drivetrain Options:

Part-time 4WD (Selec-Trac), Full-time 4WD (Quadra-Trac II)

Transfer Case 42Re:

NV231J (Selec-Trac)

Transfer Case 45Rfe:

NV247 (Quadra-Trac II)

📐 Dimensions

Wheelbase:

111.5 inches (2832 mm)

Length:

181.5 inches (4610 mm)

Width:

71.8 inches (1824 mm)

Height:

67.4 inches (1712 mm)

Passenger Volume:

105.0 cu ft (2.97 m³)

Cargo Volume Behind Rear Seat:

31.5 cu ft (0.89 m³)

Cargo Volume Max:

72.4 cu ft (2.05 m³)

Curb Weight:

4,391 - 4,657 lbs (1992 - 2112 kg) depending on configuration

Gross Vehicle Weight Rating:

5,900 - 6,000 lbs (2676 - 2722 kg) depending on configuration

🛡️ Safety Features

NHTSA Driver Front Impact:

★★★★☆ (4/5 Stars)

NHTSA Passenger Front Impact:

★★★★☆ (4/5 Stars)

ABS:

Standard Anti-lock Braking System (ABS)

Traction Control:

Optional Traction Control (part of Selec-Trac/Quadra-Trac II systems)

Airbags:

Standard dual front airbags

Seat Belts:

3-point seat belts with pretensioners

💡 Technology Features

Audio System:

Available AM/FM/CD, Cassette, and premium Infinity sound systems.

Navigation:

Optional factory navigation system available on higher trims.

Cruise Control:

Standard cruise control.

Parking Assist:

N/A (Rear parking sensors were not a common factory option for 2001)

Remote Keyless Entry:

Available remote keyless entry system.

Telematics:

N/A (Uconnect or similar telematics systems not available on this model year).

🔧 Maintenance

Oil Change Interval:

Every 3,000-7,500 miles (5,000-12,000 km) or 6-12 months, depending on oil type and driving conditions (refer to manual for specifics).

Filter Replacement Interval:

Oil filter with every oil change. Air filter every 15,000-30,000 miles (24,000-48,000 km). Fuel filter typically every 30,000 miles (48,000 km).

Transmission Fluid Interval:

Every 30,000-60,000 miles (48,000-96,000 km) or as per severe duty schedule. Consult manual.

Coolant Change Interval:

Every 30,000-100,000 miles (48,000-160,000 km) depending on coolant type. Refer to manual.

Engine Oil 4.0L:

SAE 10W-30, API Certified (Refer to manual for exact specification)

Engine Oil 4.7L:

SAE 5W-30, API Certified (Refer to manual for exact specification)

Transmission Fluid 42Re:

ATF+4 (Chrysler Material Standard MS-9602)

Transmission Fluid 45Rfe:

ATF+4 (Chrysler Material Standard MS-9602)

Coolant:

Mopar Antifreeze/Coolant (HOAT), 50/50 mix with distilled water

Power Steering Fluid:

Chrysler Power Steering Fluid (Type MS-5901)

Brake Fluid:

DOT 3

Common Issues 4.0L:

Cracked cylinder heads (less common than earlier generations but possible), oil filter adapter seal leaks.

Common Issues 4.7L:

Nokota cylinder block cracks (earlier production run issues, often addressed), plenum gasket leaks, valve spring issues.

Common Issues Transmission:

Solenoid pack failure in 45RFE, torque converter shudder.

Common Issues General:

Death wobble (rare, typically suspension/steering component wear), HVAC blower motor resistor failure, water pump leaks, radiator leaks, electronic sensor failures.

📚 Vehicle History

Jeep Legacy:

Jeep's long history of 4x4 capability and rugged utility dating back to WWII.

Wj Generation:

Second generation of the Grand Cherokee, introduced for the 1999 model year. Known for its unibody construction, improved on-road manners, and more refined interior compared to its predecessor (ZJ).

Wj Updates 2001:

The 2001 model year saw minor updates, including revised trim levels and feature packaging. The core mechanicals remained largely consistent with the earlier WJ models.

Production Plant:

Jefferson North Assembly, Detroit, Michigan, USA

Production Years Wj:

1999-2004

🏆 Awards & Recognition

Motor Trend SUV Of The Year:

N/A (Grand Cherokee was not awarded MotorTrend SUV of the Year for 2001, but has received it in other years for different generations).

Kbb Consumer Rating 2001:

Generally well-regarded by consumers for its blend of capability and comfort, though specific ratings fluctuate.

Emissions Certification:

Meets EPA and CARB emissions standards for its model year.