🏷️ Basic Information

Make:

Jeep

Model:

Cherokee XJ

Year:

1999

Chassis Code:

XJ

👋 Introduction

Vehicle Segment:

Compact SUV, highly regarded for its off-road capability and ruggedness

Key Competitors 1999:

Toyota RAV4, Honda CR-V, Ford Explorer, Chevrolet Blazer, Nissan Pathfinder

Notable Features:

Unibody construction (unique for its era), solid front axle (early XJs), legendary Selec-Trac and Command-Trac 4WD systems, robust 4.0L inline-six engine

Target Audience:

Enthusiasts seeking a capable and durable off-road vehicle, as well as those needing a practical everyday SUV with a strong reputation

📋 Manual Details

Manual Scope:

Complete Workshop Service Repair

Estimated Page Count:

Varies (typically 1000+ pages for a complete XJ service manual)

Manual Type:

Factory Workshop Service Manual / Repair Manual

Language:

English

File Format:

PDF

Compatibility:

All Versions of Windows & Mac

Accessibility:

Instant Download

Printability:

All pages are printable

📖 Manual Coverage

Engine Mechanical:

Engine assembly, disassembly, diagnostics, component replacement (e.g., pistons, rings, bearings, valves, camshaft, crankshaft)

Engine Management:

Fuel injection system, ignition system, emission control systems, cooling system, lubrication system

Transmission:

Manual and Automatic Transmission (e.g., AX-15, NV3550, AW4) service, diagnostics, overhaul, fluid specifications

Drivetrain:

Transfer case (e.g., NP231) operation, maintenance, and repair; front and rear axle assemblies, differentials, driveshafts, U-joints

Suspension:

Front and rear suspension systems (leaf springs, coil springs, control arms, shock absorbers), steering components

Brakes:

Brake system (front discs, rear drums or discs depending on trim), ABS (if equipped), components, bleeding, diagnostics

Electrical System:

Complete electrical schematics, wiring diagrams, battery, charging system, starting system, lighting, accessories, fuses, relays

Body And Chassis:

Body panel removal/installation, interior trim, glass, doors, bumpers, frame, rust repair procedures

HVAC:

Heating, Ventilation, and Air Conditioning (HVAC) system operation, service, and component replacement

Emissions Control:

Detailed explanation of emission control systems and their servicing to meet regulations

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, tire rotation, lubrication

Diagnostics:

Troubleshooting guides for various systems using symptoms and diagnostic procedures

Repair Procedures:

Step-by-step instructions for component removal, installation, and adjustment

Rebuilding Overhaul:

Detailed instructions for rebuilding major components like engines and transmissions

Wiring Diagrams:

Comprehensive wiring diagrams for all electrical circuits

Torque Specifications:

Essential torque values for critical fasteners across all systems

Special Tools:

Identification of required special tools for specific procedures

Depth Of Information:

Comprehensive factory-level detail suitable for professional technicians and advanced DIY enthusiasts

📊 Manual Specifications

PDF Quality:

High resolution for clarity, likely scanned from original factory manuals

Searchability:

Typically includes searchable text layers within the PDF for quick information retrieval

Binding Type:

Digital (PDF) - No physical binding

Paper Type:

N/A (Digital)

⚙️ Engine Specifications

Engine Code And Type:

4.0L (3956cc) OHV Inline-6 (PowerTech)

Horsepower 1999 4.0L:

Approx. 190 hp @ 4,600 rpm (note: revised intake manifold for emissions)

Torque 1999 4.0L:

Approx. 235 lb-ft @ 3,000 rpm

Fuel Delivery:

Multi-point fuel injection (MPI)

Fuel Type:

Unleaded Gasoline

Coolant Type:

Mopar Antifreeze/Coolant (Ethylene Glycol based) or equivalent

Coolant Capacity 4.0L:

Approx. 11.0 US quarts (10.4 liters)

Oil Type Recommendation:

API Certified SAE 5W-30 (for most conditions), SAE 10W-30 in warmer climates

Oil Capacity 4.0L With Filter:

Approx. 6 US quarts (5.7 liters)

Intake Manifold Revision 1999:

Revised intake manifold introduced mid-year to improve emissions by compensating for smaller exhaust ports in cylinder heads.

🔧 Transmission

Transmission Option 1:

42RE 4-Speed Automatic Transmission

Transmission Option 2:

AX-15 5-Speed Manual Transmission (Less common in later XJ production, potentially replaced by NV3550)

AWD System Options:

Selec-Trac (Part-time 4WD with Full-time 4WD capability), Command-Trac (Part-time 4WD)

Automatic Transmission Fluid Type:

ATF+4 (Chrysler Mopar)

Automatic Transmission Fluid Capacity:

Approx. 7.5-8.5 US quarts (7.1-8.0 liters) for refill, 12.6 US quarts (11.9 liters) total capacity

Manual Transmission Fluid Type:

NV3550: Mopar Manual Transmission Lubricant or equivalent (API GL-3 or GL-4); AX-15: ATF (Dexron III)

📐 Dimensions

Wheelbase:

103.4 inches (2626 mm)

Length:

167.4 inches (4252 mm)

Width:

70.5 inches (1791 mm)

Height:

62.4 inches (1585 mm)

Curb Weight Approx:

3500-3800 lbs (1588-1724 kg) depending on configuration

Towing Capacity Max:

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

🛡️ Safety Features

NHTSA Front Impact Rating:

4-star driver, 4-star passenger (for 1999 model year)

Braking System:

Front disc brakes, Rear drum brakes (some later models may have rear discs)

Airbags:

Driver and Passenger front airbags

Seatbelts:

Three-point seat belts with pretensioners

💡 Technology Features

Audio System:

Factory AM/FM radio with cassette player and optional CD player. Aftermarket upgrades are common.

ABS:

Anti-lock Braking System (ABS) was available, typically on higher trims or as an option.

Auxiliary Input:

No factory auxiliary input; requires aftermarket solutions.

🔧 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 used.

Transmission Fluid Change Interval:

Automatic: Every 30,000-60,000 miles (48,000-96,000 km); Manual: As per manual recommendations, typically longer intervals.

Coolant Flush Interval:

Every 30,000-50,000 miles (48,000-80,000 km) or 2-3 years.

Spark Plug Replacement 4.0L:

Typically every 100,000 miles (160,000 km) with modern iridium or platinum plugs.

Power Steering Fluid Type:

ATF+4 (Chrysler Mopar) or equivalent

Brake Fluid Type:

DOT 3 or DOT 4 (check specific vehicle recommendations)

Transfer Case Fluid Type:

NP231: ATF (Dexron III)

Front Axle Fluid Type:

API GL-5 SAE 80W-90 (check for limited-slip additive if equipped)

Rear Axle Fluid Type:

API GL-5 SAE 80W-90 (check for limited-slip additive if equipped)

Common Weaknesses:

Radiator (plastic end tanks prone to cracking), heater core leaks, exhaust manifold cracks (especially pre-2000 models), TPS sensor issues, rear main seal leaks, CPP sensor on AW4 transmissions.

Common Strengths:

Legendary 4.0L engine durability, robust drivetrain, capable off-road platform, simple and easily modified.

📚 Vehicle History

Jeep Legacy:

Jeep's long history of producing rugged, capable off-road vehicles dating back to World War II.

Xj Introduction:

The XJ Cherokee, introduced in 1984, pioneered the unibody SUV design, setting it apart from body-on-frame competitors.

Xj Generations:

The 1999 model is part of the second generation (1997-2001), featuring a significant exterior and interior redesign from the earlier XJ models.

Production End Date:

Cherokee XJ production ceased in mid-2001.

Manufacturing Location:

Toledo South Assembly Plant, Toledo, Ohio, USA

🏆 Awards & Recognition

Jeep Cherokee Xj Reputation:

Consistently ranked among the best SUVs for off-road capability and value by automotive publications and enthusiasts over its production run.