🏷️ Basic Information

Make:

Jeep

Model:

Wrangler

Year:

2001

Code:

TJ

👋 Introduction

Segment:

Compact SUV/Off-Road Vehicle

Competitors:

Toyota Tacoma, Nissan Frontier, Ford Ranger (in terms of utility and off-road capability, though Wrangler holds a unique off-road niche).

Defining Traits:

Renowned off-road capability, iconic Jeep design, removable doors and roof for open-air driving experience, rugged construction.

📋 Manual Details

Coverage Areas:

Comprehensive coverage for all factory-specified maintenance, diagnostics, repair procedures, and specifications for the 2001 Jeep Wrangler.

Manual Type:

Factory Workshop Service Repair Manual

Format:

Digital Download (PDF)

Language:

English

Delivery Method:

Instant Download

📖 Manual Coverage

Powertrain:

Engine mechanical, fuel system, ignition system, emission control systems, cooling system, lubrication system, starting system, charging system, exhaust system, manual transaxle, automatic transaxle, torque converter clutch, front differential, rear differential.

Chassis:

Front suspension, rear suspension, front axle, rear axle, steering system, brake system, parking brake system, wheel and tire system.

Body Electrical:

Body repair, interior trim, exterior trim, lighting system, wiper and washer system, horn, power windows, power mirrors, power door locks, audio-visual system, instrument panel, heater, air conditioning system, supplemental restraint system (airbags), seat belts, alarms, sensors.

Body And Frame:

Body panel removal/installation, frame inspection and repair, weatherstripping, door and window mechanisms, hood, bumpers, interior components, roof systems (soft top, hardtop).

Electrical System:

Battery, charging system (generator), starting system (starter), lighting (headlamps, tail lamps, interior), ignition, fuses, relays, wiring diagrams for all circuits, instrument cluster, power accessories (windows, locks), sensors, airbag system.

Maintenance:

Scheduled maintenance, fluid changes, filter replacements, lubrication, general inspection procedures.

Diagnostics:

Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics, component testing procedures.

Repair:

Step-by-step repair instructions for all major components and systems, including engine rebuilds, transmission overhauls, suspension component replacement, brake system repairs, electrical system diagnosis and repair, body panel replacement.

Technical Specifications:

Torque specifications for all fasteners, electrical system schematics (wiring diagrams), fluid capacities and types, component specifications, alignment specifications, diagnostic tool usage.

Torque Specs:

Detailed torque specifications for engine, transmission, suspension, steering, brakes, wheels, and body fasteners.

Wiring Diagrams:

Comprehensive, color-coded wiring diagrams covering all electrical systems, including engine control, body controls, chassis electronics, and accessories.

Diagnostic Troubleshooting:

Systematic approach to diagnosing faults, including symptom analysis, component testing, and troubleshooting flowcharts.

Depth:

Complete factory-level technical information, suitable for professional technicians and advanced DIY enthusiasts. Covers everything from basic fluid checks to complete engine and transmission rebuilds.

Engine Rebuild:

Detailed procedures for engine disassembly, inspection, component replacement, and reassembly, including cylinder head, block assembly, piston and rod installation, crankshaft bearing services, and valve train adjustments.

Transmission Overhaul:

Comprehensive instructions for manual and automatic transmission removal, disassembly, repair, and reassembly, including clutch system service, torque converter replacement, and valve body diagnostics.

Suspension Steering Alignment:

Procedures for suspension component replacement (shocks, springs, control arms, bushings), steering system diagnosis and repair (gearbox, tie rods, steering column), and wheel alignment specifications and adjustments.

📊 Manual Specifications

File Format:

PDF

Print Quality:

High-resolution, printable pages with clear diagrams and text.

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

Searchable Text:

Yes, the PDF is text-searchable for quick access to specific information.

⚙️ Engine Specifications

Engine Code Name:

4.0L Inline-6 (MPI)

Displacement:

242 cubic inches (3952 cc)

Horsepower:

190 hp @ 4600 rpm

Torque:

235 lb-ft @ 3200 rpm

Induction:

Multi-Point Fuel Injection (MPI)

Engine Code Name:

2.5L Inline-4 (MPI)

Displacement:

150 cubic inches (2464 cc)

Horsepower:

114 hp @ 4700 rpm

Torque:

145 lb-ft @ 3000 rpm

🔧 Transmission

Transmission Type:

5-Speed Manual (NV3550)

Transmission Type:

4-Speed Automatic (42RLE)

Transfer Case:

Command-Trac NV231 (Part-time, 2-speed, manual shift) or optional Selec-Trac NV242 (Full-time, 2-speed, automatic/manual shift).

📐 Dimensions

Wheelbase:

93.4 inches (2372 mm)

Length:

160.8 inches (4084 mm)

Width:

66.5 inches (1689 mm)

Height:

71.5 inches (1816 mm) (with soft top)

Curb Weight:

Approx. 3,200 - 3,600 lbs (1451 - 1633 kg)

Gross Vehicle Weight Rating:

Approx. 4,750 lbs (2154 kg)

🛡️ Safety Features

NHTSA Rollover Resistance:

3-star (for early TJ models)

Brakes:

Front: Disc, Rear: Disc (standard on most models). ABS optional.

Airbags:

Driver and Passenger Frontal Airbags (standard on all 2001 models).

Seat Belts:

3-point front seat belts, 2-point rear lap belts (optional lap and shoulder belts for rear).

💡 Technology Features

Audio System:

Factory AM/FM stereo with cassette player and optional CD player. Limited speaker configurations (e.g., 2 or 4 speakers).

ABS:

Anti-lock Braking System (ABS) was optional on front and rear brakes.

Connectivity Features:

Basic, primarily focused on vehicle operation. No advanced connectivity features like Bluetooth or navigation from the factory.

🔧 Maintenance

Oil Change:

Every 3,000 - 5,000 miles (or as per severe service schedule) depending on oil type and driving conditions.

Tire Rotation:

Every 6,000 - 7,500 miles.

Coolant Flush:

Every 30,000 miles or 2 years.

Engine Oil:

SAE 10W-30 (API Certified)

Coolant:

Mopar Antifreeze/Coolant (50/50 mix) or equivalent ethylene glycol coolant.

Brake Fluid:

DOT 3.

Manual Transmission Fluid:

Mopar Manual Transmission Lubricant (or equivalent GL-3 rated gear oil for NV3550).

Automatic Transmission Fluid:

Mopar ATF+4 (for 42RLE).

Transfer Case Fluid:

Mopar NV231/NV242 Transfer Case Lubricant (or equivalent petroleum-based fluid.

Differential Fluid:

Mopar Gear and Axle Lubricant (API GL-5) - Check viscosity based on temperature.

Common Problems:

Oil filter adapter housing leaks, exhaust manifold cracks (4.0L), rear main seal leaks, death wobble (due to steering/suspension wear), cooling fan clutch failure, rust on frame and body.

📚 Vehicle History

Legacy:

The Jeep Wrangler lineage traces back to the Willys MB WWII Jeep, representing over 70 years of off-road dominance and rugged utility.

Tj Generation:

The TJ generation (1997-2006) marked a significant shift from its predecessor (YJ) with the return of the iconic round headlights and the introduction of coil springs for all four wheels, greatly improving ride comfort and articulation.

Manufacturing Plant:

Toledo, Ohio, USA