🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Year:

2001

Chassis Code:

WJ

👋 Introduction

Vehicle Segment:

Mid-size Luxury SUV

Target Demographic:

Families, off-road enthusiasts, luxury buyers

Key Competitors:

Ford Explorer, Toyota 4Runner, Chevrolet Blazer, Nissan Pathfinder

Distinguishing Features:

Robust body-on-frame construction, powerful engine options, upscale interior, advanced four-wheel-drive systems (Quadra-Drive II)

Manual Value Proposition:

Provides comprehensive technical data for in-depth maintenance and repair, crucial for maintaining the longevity and performance of the WJ Grand Cherokee.

📋 Manual Details

Manual Type:

Factory Service Manual (FSM)

Language:

English

Format:

PDF Download

Intended Audience:

Professional Technicians and Advanced DIY Enthusiasts

📖 Manual Coverage

Engine Mechanical:

Engine removal/installation, cylinder head, block, pistons, connecting rods, crankshaft, camshaft, timing, lubrication system, cooling system, fuel system, exhaust system

Engine Performance:

Engine specifications, diagnostics, tune-up procedures, emissions control systems

Transmission Manual:

NV3550 manual transmission (if applicable), clutch, shifter mechanism, maintenance, repair

Transmission Automatic:

42RE, 44RE, 45RFE automatic transmissions, torque converter, valve body, hydraulic controls, electrical controls, maintenance, overhaul, repair

Drivetrain:

Transfer case (NP242, NP247), front axle, rear axle, driveshafts, universal joints, differentials, axle ratios, maintenance, repair

Suspension:

Front independent suspension (short-long arm), rear solid axle, coil springs, shock absorbers, control arms, ball joints, bushings, alignment specifications, maintenance, repair

Steering:

Power steering system, steering gear, steering column, linkage, power steering fluid specifications, maintenance, repair

Brakes:

Front disc brakes (vented), rear disc brakes, Anti-lock Braking System (ABS), hydraulic system, parking brake, brake fluid specifications, maintenance, bleeding, repair

Electrical System:

Battery, charging system (alternator), starting system (starter motor), lighting, ignition system, fuses, relays, wiring diagrams, diagnostic trouble codes (DTCs)

Body And Chassis:

Frame construction, body panels, doors, hood, tailgate, interior trim, exterior trim, glass, bumpers, maintenance, repair

Heating Ventilation And Air Conditioning HVAC:

HVAC system components, refrigerant, operation, diagnostics, repair

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, tire rotation, spark plug replacement, belt inspection/replacement

Troubleshooting:

Diagnostic flowcharts, symptom-based troubleshooting, common issues and their solutions

Component Replacement:

Step-by-step instructions for replacing major and minor components across all systems

Rebuilding And Overhaul:

Detailed instructions for rebuilding engines, transmissions, differentials, and other major assemblies

Diagnostic Procedures:

On-Board Diagnostics (OBD-II) system, reading and clearing DTCs, sensor testing, actuator testing

Electrical Diagnostics:

Use of multimeters, oscilloscopes, detailed wiring diagrams, circuit testing

Specifications And Tolerances:

Torque specifications for bolts and nuts, clearances, measurements for wear and tear

Depth Of Information:

Comprehensive from basic maintenance to complete engine and transmission overhauls

Diagnostic Tools Required:

Basic hand tools, specialized engine tools, scan tools for OBD-II diagnostics

Repair Procedures:

Detailed, step-by-step procedures with diagrams and illustrations

📊 Manual Specifications

File Type:

PDF

Searchability:

Fully searchable text content

Resolution:

High-resolution scans for clarity of text and diagrams

Printability:

Printable pages for physical reference

Binding Type:

N/A (Digital PDF)

Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Code 1:

4.0L Inline-6 (MPI)

Engine Displacement 1:

3956 cc (241.4 cu in)

Engine Configuration 1:

SOHC, Inline 6-cylinder

Horsepower 1:

190 hp @ 4600 rpm

Torque 1:

235 lb-ft @ 3200 rpm

Engine Code 2:

4.7L V8 (MPI) 'PowerTech'

Engine Displacement 2:

4701 cc (286.9 cu in)

Engine Configuration 2:

SOHC, V8

Horsepower 2:

220 hp @ 4400 rpm

Torque 2:

285 lb-ft @ 3200 rpm

Fuel Delivery:

Sequential Multi-Port Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline

Recommended Octane:

87 Octane (91 for 4.7L V8 for optimal performance)

🔧 Transmission

Transmission Type Standard:

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

Transmission Type Optional 1:

44RE 4-speed Automatic (with 4.7L V8 engine)

Transmission Type Optional 2:

NV3550 5-speed Manual (rare, primarily with 4.0L engine)

Overdrive Gears:

All automatic transmissions feature overdrive (4th gear)

Transfer Case Options:

Selec-Trac (NP242) full-time 4WD, Quadra-Trac II (NP247) full-time 4WD with low range, Quadra-Drive (with electronic limited-slip differentials)

📐 Dimensions

Length:

183.5 inches (4661 mm)

Width:

70.9 inches (1801 mm)

Height:

67.4 inches (1712 mm)

Wheelbase:

116.0 inches (2946 mm)

Ground Clearance:

8.7 inches (221 mm)

Curb Weight Min:

4,275 lbs (1939 kg)

Curb Weight Max:

4,677 lbs (2121 kg)

Gross Vehicle Weight Rating Gvwr:

5,700 - 6,000 lbs (2585 - 2722 kg), depending on configuration

Towing Capacity:

Up to 5,000 lbs (2268 kg) with proper equipment

🛡️ Safety Features

NHTSA Rollover Rating 2001:

Four out of five stars

ABS:

Standard Anti-lock Braking System (ABS)

Traction Control:

Optional

Four Wheel Drive Systems:

Available Quadra-Trac II and Quadra-Drive systems enhance traction and stability

Airbags:

Driver and front passenger airbags

Seat Belts:

Three-point seat belts with pretensioners

💡 Technology Features

Audio System:

Available AM/FM stereo with CD player, cassette player, and optional premium Infinity speaker system.

Navigation:

Optional factory navigation system available on select models.

Cruise Control:

Standard cruise control

Parking Assistance:

Optional rear parking assist sensors on some trims.

OBD Ii Port:

Standard OBD-II diagnostic port for emission and engine management diagnostics.

🔧 Maintenance

Oil Change Interval:

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

Engine Air Filter Replacement:

Every 15,000-30,000 miles (24,000-48,000 km)

Spark Plug Replacement 4.0L:

Every 100,000 miles (160,000 km) with Champion Copper Plus (or equivalent)

Spark Plug Replacement 4.7L:

Every 100,000 miles (160,000 km) with Champion Platinum Power

Engine Oil 4.0L:

API Certified SAE 10W-30 or 10W-30 Synthetic. Capacity: 6 US quarts (5.7 liters) with filter.

Engine Oil 4.7L:

API Certified SAE 5W-30 or 5W-30 Synthetic. Capacity: 6 US quarts (5.7 liters) with filter.

Coolant:

Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, Orange. Capacity: Approx. 10-12 US quarts (9.5-11.3 liters).

Transmission Fluid 42Re/44Re:

Mopar ATF+4 (Automatic Transmission Fluid Type 9602). Capacity: Approx. 4-5 US quarts (3.8-4.7 liters) for fluid change; higher for overhaul.

Power Steering Fluid:

Mopar Power Steering Fluid or equivalent. Capacity: Approx. 1.5-2 US quarts (1.4-1.9 liters).

Brake Fluid:

DOT 3 Brake Fluid

Heater Core Leaks:

Common issue where the heater core leaks coolant into the cabin, often requiring dashboard removal.

Manifold Cracks:

The 4.7L V8 engine is prone to cracking exhaust manifolds, leading to ticking noises.

Transfer Case Slipping:

Issues with the Quadra-Trac II (NP247) transfer case, particularly the viscous coupling or chain, can lead to slipping or binding.

Power Window Motors:

Failure of power window motors and regulators is a common electrical/mechanical issue.

Cooling Fan Clutch:

Failure of the mechanical fan clutch on the 4.0L engine can lead to overheating.

📚 Vehicle History

Jeep Legacy:

Jeep has a long-standing heritage in off-road capability and ruggedness, dating back to its WWII origins.

Wj Generation:

The WJ Grand Cherokee (1999-2004) was a significant redesign from the previous ZJ, introducing a more refined, unibody construction (though still featuring a robust steel frame integrated into the body) and a significant update in interior design and features.

2001 Updates:

For 2001, minor updates included revised interior materials, a new CD/cassette player, and available steering wheel audio controls. The engine options remained largely the same.

Manufacturing Plant:

Jefferson North Assembly Plant, Detroit, Michigan, USA

🏆 Awards & Recognition

Car And Driver Best SUV:

Often cited by automotive publications for its balance of capability and comfort.

Consumer Reports Ratings:

Varies by model year and specific vehicle condition; known for strong performance in off-road and towing categories, with some concerns regarding reliability in certain areas.