🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Year:

2001

Code:

WJ

👋 Introduction

Segment:

Mid-size Luxury SUV

Target Audience:

Jeep Grand Cherokee WJ owners, independent repair shops, automotive technicians.

Competitors 2001:

Ford Explorer, Toyota 4Runner, Chevrolet Blazer, Dodge Durango, Land Rover Discovery.

Distinctive Features:

Available V8 engines, Quadra-Drive 4WD system, comfortable interior, strong towing capacity, premium options.

Manual Value Proposition:

Essential resource for accurate parts ordering, DIY repairs, and professional servicing, saving time and money.

📋 Manual Details

Primary Coverage:

2001 Jeep Grand Cherokee WJ

Estimated Pages:

Approximately 2000+

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

Digital (Instant Download)

Delivery Method:

Instant Digital Download

📖 Manual Coverage

Powertrain:

Engine mechanical, fuel system, exhaust system, cooling system, lubrication system, ignition system, powertrain control module (PCM) diagnostics.

Transmission Drivetrain:

Automatic transmissions (42RE, 45RFE/545RFE), transfer case (NV242, NV247), differentials (front and rear axle components, housing, gears, bearings), driveshafts, U-joints, CV joints.

Suspension Steering:

Front and rear suspension systems (solid axle, independent front suspension variations), shock absorbers, springs, control arms, bushings, steering gear, power steering system, linkage components.

Brakes:

Front and rear brake systems (disc brakes, pads, rotors, calipers, hydraulic lines, master cylinder, power booster), Anti-lock Braking System (ABS) components and diagnostics.

Electrical Electronics:

Battery, charging system (alternator), starting system (starter motor), lighting systems (headlamps, taillamps, interior lighting), fuses, relays, wiring diagrams for all major circuits, Body Control Module (BCM), Powertrain Control Module (PCM) connectors and pinouts.

HVAC:

Heating, Ventilation, and Air Conditioning (HVAC) system operation, components (compressor, evaporator, condenser, blower motor), refrigerant system, controls, and troubleshooting.

Body Chassis:

Body construction, exterior trim, doors, windows, seats, interior trim panels, bumpers, chassis frame, corrosion protection.

Maintenance:

Scheduled maintenance procedures, oil change intervals, filter replacements, fluid checks and changes, tire rotation, lubrication points.

Diagnostics:

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

Repair:

Step-by-step repair procedures for all major mechanical and electrical components, including engine disassembly/assembly, transmission overhaul, brake caliper replacement, suspension component replacement, electrical connector repair.

Installation:

Installation procedures for common replacement parts and accessories.

Troubleshooting:

Comprehensive troubleshooting guides for common and uncommon issues, including drivability problems, electrical faults, and HVAC malfunctions.

Timing Belt Chain:

Covers timing chain replacement procedures for both engines (both are chain-driven).

Suspension Component Replacement:

Detailed instructions for replacing ball joints, tie rod ends, control arms, and shock absorbers.

Brake Component Replacement:

Step-by-step guide for replacing brake pads, rotors, calipers, and bleeding the brake system.

HVAC Component Replacement:

Procedures for replacing the A/C compressor, condenser, evaporator, and heater core.

Drivetrain Component Repair:

Covers repair and replacement of differential gears, axle shafts, U-joints, and CV joints.

Depth:

Highly detailed, covering from basic maintenance to complete engine and transmission overhauls, including specialized diagnostic procedures.

Engine Diagnostics:

Detailed procedures for diagnosing engine performance issues, including fuel trim analysis, sensor testing, and ignition system checks.

Transmission Diagnostics:

In-depth troubleshooting for automatic transmission shifting issues, electronic control diagnostics, and hydraulic system testing.

Electrical System Depth:

Comprehensive wiring diagrams with connector pinouts, circuit descriptions, and detailed diagnostic procedures for the entire electrical system, including the Body Control Module (BCM).

📊 Manual Specifications

Digital Format:

PDF (Portable Document Format)

Resolution:

High-resolution, suitable for digital viewing and printing.

Binding:

Not applicable (Digital)

Paper Quality:

Not applicable (Digital)

⚙️ Engine Specifications

Engine Option 1:

4.0L (3956cc) Inline-6 'PowerTech' I6 OHV 12V

Engine Option 2:

4.7L (4701cc) V8 'PowerTech' V8 OHV 16V

4.0L Horsepower:

190 hp @ 4600 rpm

4.0L Torque:

235 lb-ft @ 3200 rpm

4.7L Horsepower:

235 hp @ 4500 rpm

4.7L Torque:

325 lb-ft @ 3200 rpm

Fuel Delivery:

Multi-Point Fuel Injection (MPI)

Octane Rating:

87 octane recommended for 4.0L, 89 octane recommended for 4.7L

Coolant Type:

Mopar HOAT (Hybrid Organic Acid Technology) Antifreeze/Coolant, 50/50 mix with distilled water.

🔧 Transmission

Transmission Option 1:

42RE 4-Speed Automatic (with 4.0L engine)

Transmission Option 2:

45RFE / 545RFE 4-Speed Automatic (with 4.7L engine)

Overdrive:

All automatic transmissions feature overdrive.

42Re Fluid Type:

ATF+4 (Automatic Transmission Fluid)

45Rfe 545Rfe Fluid Type:

ATF+4 (Automatic Transmission Fluid)

📐 Dimensions

Length:

184.6 inches (4689 mm)

Width:

73.3 inches (1862 mm)

Height:

66.6 inches (1692 mm)

Wheelbase:

116.0 inches (2946 mm)

Curb Weight:

Approx. 4300-4600 lbs (1950-2087 kg), depending on configuration.

Cargo Space Behind Rear Seat:

Approx. 37.0 cubic feet (1048 liters)

Cargo Space With Rear Seat Folded:

Approx. 70.5 cubic feet (1996 liters)

🛡️ Safety Features

NHTSA Front Impact Driver:

4 Stars (as per NHTSA 2001 ratings, though specific WJ data may vary)

NHTSA Front Impact Passenger:

4 Stars (as per NHTSA 2001 ratings, though specific WJ data may vary)

ABS:

Standard Anti-lock Braking System (ABS).

Traction Control:

Optional Traction Control System (TCS).

Airbags Front:

Driver and front passenger airbags.

Airbags Side:

Optional front side-impact airbags.

Seatbelts:

3-point front and rear seat belts, pretensioners for front seats.

💡 Technology Features

Audio System:

Factory AM/FM/CD player, optional premium Infinity sound system, optional satellite radio preparation.

Navigation:

Optional factory navigation system.

Cruise Control:

Standard cruise control.

Rear Parking Assist:

Optional rear parking assist sensors.

Power Accessories:

Power windows, power door locks, power mirrors, remote keyless entry.

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles or 6 months (whichever comes first), or as per severe duty schedule.

Engine Air Filter:

Inspect every 15,000 miles, replace as needed or at 30,000 miles.

Transmission Fluid Change:

Inspect every 30,000 miles, replace fluid and filter every 60,000-100,000 miles depending on usage.

Engine Oil Spec 4.0L:

SAE 10W-30 API SJ or higher.

Engine Oil Spec 4.7L:

SAE 5W-30 API SJ or higher.

Coolant Capacity:

Approx. 11.0-12.0 quarts (10.4-11.4 liters) depending on engine.

Brake Fluid Type:

DOT 3.

Common Problems:

Head gasket failures (especially 4.7L), cooling system leaks (plastic radiator tanks, water pump), rear main seal leaks, exhaust manifold cracks (4.0L), transfer case chain stretch (NV247), power steering pump noise, ABS sensor failures.

📚 Vehicle History

Jeep Legacy:

Jeep's long history of rugged, off-road capable vehicles.

Wj Generation Start:

The WJ generation replaced the ZJ Grand Cherokee and was produced from 1999 to 2004.

Wj Distinction:

Marked a significant evolution in refinement, ride quality, and interior appointments compared to its predecessor.

Manufacturing Location:

Jefferson North Assembly Plant, Detroit, Michigan.