Jeep Grand CHEROKEE WJ Service Repair Manual 1999

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🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Model Generation: WJ Model Year: 1999 Codes Chassis Code: WJ 👋 Introduction Market Position Positioning: A comprehensive resource for Jeep Grand...

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Description

🏷️ Basic Information

Identification

Make:

Model:

Grand Cherokee

Model Generation:

Model Year:

Codes

Chassis Code:

👋 Introduction

Market Position

Positioning:

A comprehensive resource for Jeep Grand Cherokee WJ owners and independent repair professionals seeking factory-level information.

Target Audience:

DIY enthusiasts, independent mechanics, fleet maintenance, Jeep owners who value detailed technical information.

Competitive Analysis

Value Proposition:

Offers the depth and accuracy of official dealership service manuals at a more accessible price point. Emphasizes completeness to avoid the pitfalls of incomplete or generic guides.

Key Features

Completeness:

Promised to be a 'COMPLETE SERVICE REPAIR MANUAL', implying full coverage of all vehicle systems and repair procedures.

Format Advantage:

Digital format allows for easy searching, printing of specific sections, and storage.

Quality Assurance:

Marketing emphasizes quality ('BEST manuals on Tradebit, buy with confidence') and avoiding 'incomplete cheap versions'.

📋 Manual Details

Coverage Areas

Primary Coverage:

Complete Service and Repair

Secondary Coverage:

Maintenance, Troubleshooting, Diagnostics, Overhauls

Page Count

Estimated Pages:

Over 1500 (typical for comprehensive factory-style manuals)

Manual Type

Type:

Service and Repair Manual (Factory Workshop Manual Equivalent)

Language

Language:

English

Format

Format:

Digital (Likely PDF)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine assembly, disassembly, cylinder head, block, pistons, connecting rods, crankshaft, camshaft, valvetrain, timing systems, cooling system, lubrication system

Engine Performance:

Fuel injection systems, ignition systems, emissions control systems, exhaust systems, engine management systems (ECU/PCM diagnostics)

Transmission Manual:

Manual transmission (if applicable for specific models) overhaul, diagnosis, and repair

Transmission Automatic:

Automatic transmission overhaul, diagnosis, repair, torque converter, valve body, internal components

Drivetrain Axles:

Front and rear axle assemblies, differentials, driveshafts, U-joints, CV joints

Drivetrain Transfer Case:

Four-wheel drive system, transfer case operation, maintenance, and repair

Brakes:

Brake system hydraulics, ABS (Anti-lock Braking System), EBD (Electronic Brake Force Distribution), brake pads, rotors, calipers, lines, master cylinder, parking brake

Suspension:

Front and rear suspension components, control arms, ball joints, tie rods, shock absorbers, springs, sway bars, steering linkage

Steering:

Power steering system, steering gearbox/rack, steering column, power steering pump and fluid

Electrical Charging:

Charging system (alternator, battery, voltage regulator)

Electrical Starting:

Starting system (starter motor, ignition switch)

Electrical Lighting:

Exterior and interior lighting circuits, bulb types, fuses, relays

Electrical Accessories:

Power windows, power locks, mirrors, sunroof, wipers, horn, climate control fan motors, seat motors

Body Exterior:

Body panels, doors, hood, tailgate, bumpers, fenders, glass, trim, weatherstripping, hinges, latches

Body Interior:

Interior trim panels, dashboard, seats, carpeting, headliner, airbags, seatbelts

Climate Control:

HVAC system, A/C system, heater core, evaporator, refrigerant charging, blower motor, control modules

Infotainment Audio:

Radio, CD player, amplifier (if equipped), speaker system, antenna

Driver Information:

Instrument cluster, gauges, warning lights, driver information center

Wiring Diagrams:

Comprehensive electrical schematics for all systems

Procedures Included

Preventative Maintenance:

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

Routine Maintenance:

Scheduled service intervals, inspections, lubrication points

Troubleshooting:

Diagnostic procedures for common and uncommon issues, symptom-based diagnosis, electrical troubleshooting charts

Component Removal Installation:

Detailed step-by-step instructions for removing and reinstalling all major and minor components

Engine Rebuild:

Complete engine overhaul procedures, including torque specifications, clearances, and assembly sequences

Transmission Repair:

Detailed rebuild procedures for automatic and manual transmissions

Brake System Service:

Brake bleeding, pad/rotor replacement, caliper service, ABS component diagnosis

Suspension Steering Alignment:

Component replacement, adjustment procedures, alignment specifications

Electrical Diagnosis:

Testing circuits, components, and control modules; using diagnostic scan tools

Body Repair:

Panel replacement, dent repair, glass replacement, trim installation

HVAC Service:

Refrigerant handling, leak detection, component replacement, system flushing

Technical Depth

Depth:

Comprehensive (from basic maintenance to complete overhauls and advanced diagnostics)

Diagnostic Level:

Advanced, including DTC (Diagnostic Trouble Code) interpretation and component-level testing

Repair Scope:

Full rebuilds, component replacement, adjustments, and calibrations

Specifications:

Detailed torque values, clearances, fluid capacities, electrical data, and diagnostic parameters

📊 Manual Specifications

File Format

File Type:

Searchability:

Likely searchable text, enabling quick information retrieval

Printability:

Printable pages for workshop use

Resolution:

High-resolution images and diagrams

Print Quality

Quality Description:

Digital reproduction of factory-quality documentation

Binding Type

Binding:

N/A (Digital Format)

Paper Type

Paper:

N/A (Digital Format)

⚙️ Engine Specifications

Primary Engine

Engine Options:

4.0L Inline 6-Cylinder (PowerTech), 4.7L V8 (PowerTech)

Engine 4.0L I6 Powertech Displacement:

3952 cc (241 cu in)

Engine 4.0L I6 Powertech Horsepower Est:

180-190 hp @ 4750 rpm

Engine 4.0L I6 Powertech Torque Est:

220-235 lb-ft @ 3250 rpm

Engine 4.7L V8 Powertech Displacement:

4701 cc (287 cu in)

Engine 4.7L V8 Powertech Horsepower Est:

220-235 hp @ 4700 rpm

Engine 4.7L V8 Powertech Torque Est:

290-310 lb-ft @ 3200 rpm

Fuel System

Fuel Delivery:

Electronic Fuel Injection (MPI - Multi-Point Injection)

Fuel Type:

Unleaded Gasoline

Performance

Engine Management:

Chrysler's NGC (Next Generation Controller) or similar proprietary ECU/PCM

🔧 Transmission

Standard

Transmission Standard:

42RE 4-speed Automatic (for 4.0L I6)

Optional

Transmission Optional:

45RFE 4-speed Automatic (early V8), 545RFE 5-speed Automatic (later V8 models)

Transmission Manual Availability:

Manual transmission was largely discontinued for the Grand Cherokee by this generation, but manual transmission repair might be covered if offered in specific niche markets or early production.

Features

Drive System:

Part-time Command-Trac, Full-time Selec-Trac, or Full-time Quadra-Drive II (depending on trim and options)

Transmission Fluid Spec Auto 42Re 45Rfe:

ATF+3 or ATF+4 (refer to manual for exact specification)

Transmission Fluid Spec Auto 545Rfe:

ATF+4 (refer to manual for exact specification)

📐 Dimensions

Exterior

Wheelbase:

116.0 inches (2946 mm)

Length:

184.5 inches (4686 mm)

Width:

73.5 inches (1867 mm)

Height:

67.9 inches (1725 mm)

Weights

Curb Weight Est:

4,100 - 4,500 lbs (1860 - 2040 kg)

Gross Vehicle Weight Rating Gvwr Est:

5,600 - 6,000 lbs (2540 - 2722 kg)

🛡️ Safety Features

Ratings

NHTSA Front Driver Side Impact Rating:

4-star (1999 model year)

NHTSA Front Passenger Side Impact Rating:

4-star (1999 model year)

Active Features

Standard (4-wheel disc brakes with ABS)

Traction Control:

Available on some models

Passive Features

Airbags Front:

Driver and passenger front airbags

Seatbelts:

3-point seatbelts with pretensioners

Child Safety Anchors:

LATCH system (may not be standard on all early 1999 models, check specifics)

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM stereo with CD player, optional premium audio systems with amplifiers and subwoofers.

Navigation:

Optional factory navigation system available on some higher trims.

Driver Assistance

Cruise Control:

Standard

Parking Assistance:

Rear parking sensors available on later models or as an option.

Connectivity

Phone Integration:

No factory integrated Bluetooth or smartphone mirroring in the traditional sense for this era. Aftermarket solutions are common.

Keyless Entry:

Available with remote keyless entry fob.

🔧 Maintenance

Service Intervals

Oil Change Interval Est:

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

Tire Rotation Interval Est:

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

Transmission Fluid Change Interval Est:

Every 30,000 - 100,000 miles (48,000 - 160,000 km), depending on use and fluid type. Crucial to follow manual. Heavy towing or off-road use warrants more frequent changes.

Coolant Change Interval Est:

Every 30,000 - 100,000 miles (48,000 - 160,000 km), depending on coolant type (conventional vs. extended life).

Fluid Specifications

Engine Oil Type 4.0L I6 Est:

SAE 10W-30 (check manual for viscosity grade under different temperature conditions)

Engine Oil Type 4.7L V8 Est:

SAE 5W-30 or 5W-40 (check manual for viscosity grade)

Coolant Type:

Mopar Antifreeze/Coolant (Green, for conventional) or Mopar HOAT Antifreeze/Coolant (Orange, for extended life, check compatibility)

Power Steering Fluid:

ATF+3 or ATF+4 (refer to manual for specific type)

Known Issues

Engine 4.0L I6:

Cracked cylinder heads (though less common on later 4.0L versions), oil filter adapter O-ring leaks, intake manifold gasket leaks.

Engine 4.7L V8:

Head gasket failures (especially early models), oil sludge buildup if maintenance is neglected, water pump failures, intake manifold gasket leaks.

Transmission Automatic:

Overheating, solenoid failures, torque converter issues, transmission control module (TCM) problems.

Suspension Steering:

Worn ball joints, tie rod ends, and control arm bushings leading to steering wander and uneven tire wear.

Electrical:

Power window motor failures, HVAC blower motor failures, dashboard warning light intermittency, PCM failures.

Body Exterior:

Tailgate actuator issues, rust on rocker panels and rear quarter panels, clear coat peeling.

📚 Vehicle History

Brand Heritage

Brand Origin:

Jeep, an iconic American brand, has a history rooted in rugged, off-road capable vehicles dating back to WWII.

Model Evolution

Grand Cherokee Introduction:

The Grand Cherokee was introduced in 1993 as a more luxurious and comfortable SUV compared to the Cherokee (XJ).

Wj Generation Introduction:

The WJ generation replaced the ZJ Grand Cherokee and was produced from 1999 to 2004. It featured a significant redesign with a more aerodynamic and refined exterior and interior.

Wj Key Updates:

Introduction of the 4.7L V8 engine, improved Quadra-Drive 4WD system, updated interior and exterior styling, enhanced safety features.

Production

Production Locations:

Detroit, Michigan, USA (Jefferson North Assembly Plant)

🏆 Awards & Recognition

Recognitions

4X4 Of The Year:

The Grand Cherokee, particularly with its advanced 4WD systems like Quadra-Drive, often received accolades in the off-road and 4x4 communities during its production years.

Ratings

Consumer Reports Reliability Rating:

Reliability ratings varied by model year and specific component. The manual would be essential for proactive maintenance to ensure reliability.

Certifications

Manual Certification:

While the manual itself isn't certified, it is presented as a direct equivalent to factory service manuals, which are the industry standard for repair and maintenance documentation.