🏷️ Basic Information

Make:

Jeep

Model:

Cherokee

Model Code:

XJ

Production Year:

1999

Chassis Code:

XJ

👋 Introduction

Vehicle Segment:

Compact Sport Utility Vehicle (SUV)

Key Attributes:

Renowned for its off-road capability, robust construction, and iconic styling. A popular choice for adventure and daily driving.

Competitors 1999:

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

Platform Longevity:

The XJ Cherokee platform, while introduced in 1984, remained remarkably relevant and popular through the 1999 model year due to its robust design.

Manual Value Proposition:

Provides DIY enthusiasts and professional mechanics with the authoritative documentation needed to maintain, diagnose, and repair the 1999 Jeep Cherokee XJ to factory standards.

📋 Manual Details

Primary Coverage:

Complete factory service and repair information for the 1999 Jeep Cherokee XJ.

Diagnostic Coverage:

Comprehensive diagnostic procedures and troubleshooting flowcharts for all major systems.

Repair Coverage:

Detailed step-by-step repair instructions for mechanical, electrical, and body components.

Maintenance Coverage:

Scheduled maintenance procedures, fluid specifications, and component replacement intervals.

Technical Data Coverage:

Inclusion of all technical specifications, torque values, clearances, and diagnostic trouble codes (DTCs).

Total Pages:

Hundreds of pages (exact count not specified in product description, but implied to be comprehensive).

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

Downloadable (Digital)

Print Capability:

Printable in its entirety or select sections.

📖 Manual Coverage

Engine Mechanical:

Engine assembly, disassembly, component inspection, lubrication, cooling system, fuel system (carbureted/injected), exhaust system.

Engine Performance:

Ignition system, emissions control, engine diagnostics, engine management systems (ECU).

Transmission Manual:

Clutch system, manual transmission overhaul, gear shift mechanisms, drive shafts.

Transmission Automatic:

Automatic transmission operation, service, overhaul, fluid and filter replacement, torque converter.

Driveline:

Transfer case operation and service, differentials (front and rear), axle shafts, U-joints.

Suspension:

Front and rear suspension component diagnosis and replacement, springs, shock absorbers, control arms, bushings.

Steering:

Power steering system diagnosis and repair, steering column, steering gear, tie rods, linkages.

Brakes:

Front and rear brake system diagnosis and repair, disc/drum brakes, hydraulic system, ABS (if equipped), parking brake.

Electrical System:

Battery, charging system, starting system, lighting, interior and exterior electrical components, wiring diagrams.

Body And Chassis:

Body panel repair, door and window mechanisms, interior trim, underbody coatings, frame components.

HVAC:

Heating, ventilation, and air conditioning system service, diagnosis, refrigerant handling, component replacement.

Safety Systems:

Airbag system (if equipped) service and precautions, seat belt systems.

Preventative Maintenance:

Detailed maintenance schedules and procedures for optimal vehicle longevity.

Troubleshooting:

Systematic diagnostic procedures for identifying and resolving common and uncommon issues.

Component Replacement:

Step-by-step guides for replacing virtually all components, from spark plugs to engine assemblies.

Rebuilding Procedures:

Instructions for overhauling major components like engines, transmissions, and differentials.

Adjustment Procedures:

Precise instructions for adjusting various systems, such as belt tension, clutch pedal, and brake linkages.

Wiring Diagrams:

Complete and detailed electrical wiring schematics for all vehicle circuits.

Depth Level:

Complete Factory Service Manual (FSM) level of detail, covering everything from basic maintenance to complete engine and transmission rebuilds.

Diagnostic Tools:

Information on diagnostic procedures often requiring specialized tools and scan equipment.

Torque Specifications:

Precise torque values for all fasteners, critical for proper assembly and safety.

Clearances And Tolerances:

Detailed specifications for component clearances and operating tolerances essential for correct function.

📊 Manual Specifications

Format:

Digital Download (likely PDF)

Quality:

High resolution, suitable for printing individual pages or the entire manual.

Binding Type:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

Text Search:

Likely includes searchable text for quick information retrieval within the digital document.

⚙️ Engine Specifications

Engine Type:

Inline 6-Cylinder

Engine Displacement:

4.0L (242 cubic inches)

Engine Code:

ERH

Bore X Stroke:

3.875 in x 3.414 in (98.4 mm x 86.7 mm)

Compression Ratio:

8.8:1

Fuel Delivery:

Multi-Port Fuel Injection (MPFI)

Horsepower Net Aam:

189 hp @ 4,500 RPM

Torque Net Aam:

225 lb-ft @ 3,200 RPM

Engine Type:

Inline 4-Cylinder

Engine Displacement:

2.5L (150 cubic inches)

Engine Code:

EMN

Horsepower Net Aam:

125 hp @ 4,600 RPM

Torque Net Aam:

147 lb-ft @ 3,000 RPM

Fuel Type:

Unleaded Gasoline

Fuel Tank Capacity:

20.0 gallons (75.7 liters)

🔧 Transmission

Transmission Type:

5-Speed Manual (AX-5 or NV3550)

Transmission Type:

4-Speed Automatic (AW4)

Transfer Case:

Command-Trac NV231 (part-time 2WD/4WD High/Neutral/4WD Low)

Transfer Case Optional:

Selec-Trac NP242 (full-time 2WD/4WD High/Neutral/4WD Low - less common on 1999 models)

📐 Dimensions

Wheelbase:

101.4 inches (2576 mm)

Length:

167.5 inches (4255 mm)

Width:

70.0 inches (1778 mm)

Height:

63.7 inches (1618 mm)

Ground Clearance:

Approximately 8.5 inches (216 mm)

Curb Weight Min:

Approx. 3,370 lbs (1529 kg) for 4-cyl models

Curb Weight Max:

Approx. 3,720 lbs (1687 kg) for 6-cyl models

🛡️ Safety Features

NHTSA Frontal Impact Driver:

Not explicitly rated by NHTSA for this specific year, but general XJ models from this era were considered moderately safe for their time.

IIHS Side Impact:

Not rated by IIHS.

ABS:

Optional Anti-lock Braking System (ABS) on rear wheels, or 4-wheel ABS on some models.

Airbags:

Driver and passenger front airbags.

Seat Belts:

Front 3-point automatic locking retractors, rear 3-point manual belts.

💡 Technology Features

Audio System Options:

AM/FM stereo with cassette player, optional CD player. Speaker configurations varied by trim level.

Dashboard Features:

Analog gauges, warning lights, manual climate controls. Limited digital displays.

ABS Availability:

Optional, typically on rear wheels only or 4-wheel ABS for higher trims/options.

Cruise Control:

Standard on most trims.

Smartphone Integration:

None (This era predates modern smartphone connectivity features).

🔧 Maintenance

Oil Change Interval:

Every 3,000 - 5,000 miles (5,000 - 8,000 km) or 6 months, depending on driving conditions. Consult manual for specific recommendations.

Tire Rotation Interval:

Every 5,000 - 7,500 miles (8,000 - 12,000 km).

Engine Coolant Flush:

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

Transmission Fluid Change:

Automatic: Every 30,000 - 60,000 miles (48,000 - 96,000 km). Manual: Consult manual, typically less frequent.

Engine Oil:

SAE 10W-30 (preferred for 4.0L), SAE 5W-30 for colder climates. API Service SG or higher.

Coolant:

Chrysler OAT (Organic Acid Technology) coolant or equivalent HOAT (Hybrid Organic Acid Technology) green coolant. Typically a 50/50 mix with distilled water.

Automatic Transmission Fluid:

ATF+4 (or ATF+3 for earlier models, consult specific VIN/manual). Capacity approx. 4.5 quarts (4.3 liters) for pan drop.

Manual Transmission Fluid:

AX-5: GL-3 or GL-4 80W-90 gear oil. NV3550: GL-3 75W-90 gear oil.

Transfer Case Fluid:

ATF+3 or Dexron III (for NV231 and NP242). Capacity approx. 1.5-2 quarts (1.4-1.9 liters).

Power Steering Fluid:

ATF+3 or Mopar power steering fluid.

Common Issue 1:

Head gasket leaks (particularly on early 4.0L engines, less common but possible on later ones).

Common Issue 2:

Cracked cylinder heads (also on 4.0L, though usually requires overheating).

Common Issue 3:

Radiator failure or leaks, especially at the plastic end tanks.

Common Issue 4:

CPS (Crankshaft Position Sensor) failure leading to no-start or stalling.

Common Issue 5:

Leaf spring perches cracking or axle housing bending under heavy off-road use.

Common Issue 6:

Worn front track bar and bushings leading to steering wander.

Common Issue 7:

Window regulator failures.

Common Issue 8:

Interior trim piece fitment issues and rattling over time.

📚 Vehicle History

Jeep Legacy:

Jeep has a long and storied history dating back to World War II, known for ruggedness and off-road prowess.

Cherokee Xj Introduction:

The Jeep Cherokee XJ was introduced for the 1984 model year, pioneering the compact SUV segment with its unibody construction, a departure from traditional body-on-frame SUVs.

Cherokee Xj Facelift:

The 1997 model year saw a significant facelift for the XJ, introducing updated exterior styling, a revised interior, and improved aerodynamics. The 1999 model year falls within this generation.

Production Period Xj:

1984-2001

Production Location:

Toledo, Ohio, USA

Popularity Of 4.0L I6:

The 4.0L inline-six engine became a legendary powerplant for the Cherokee, known for its durability and torque, making it a preferred choice for many owners.

🏆 Awards & Recognition

Off Road Magazine Awards:

The Jeep Cherokee XJ, and particularly the 4.0L variant, has been lauded by off-road publications for its capability and durability over many years.

Consumer Reports Ratings:

Historically received mixed to good ratings, with praise for powertrain and off-road ability, but some criticism for interior comfort and reliability in specific areas.

Emissions Compliance:

Designed to meet 1999 US Federal Emissions Standards. Manual will detail specific procedures for emissions system diagnosis and repair.