🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Generation Code:

ZJ

Model Year:

1993

👋 Introduction

Positioning:

The Jeep Grand Cherokee ZJ (1993-1998) was a pioneering luxury SUV, blending Jeep's legendary off-road capability with a more refined and comfortable interior, competing against luxury sedans and other emerging SUVs.

Competitors:

Key competitors included the Ford Explorer, Chevrolet Blazer, Toyota 4Runner, and later models like the Land Rover Discovery.

Design Philosophy:

Unibody construction for improved on-road comfort and handling, available full-time 4WD systems, spacious and luxurious interior for its era.

Manual Value Proposition:

This manual is an essential resource for owners and technicians seeking to maintain, diagnose, and repair the 1993 Jeep Grand Cherokee ZJ, offering factory-level accuracy and comprehensive coverage.

📋 Manual Details

Manual Type:

Factory Service & Repair Workshop Manual

Language:

English

Format Availability:

Instant Download (Computer, Tablet, Smartphone)

Licensing:

No Extra Fees, No Expiry Dates

📖 Manual Coverage

Engine Mechanical:

Engine diagnostics, overhaul, component testing, cylinder head, block, crankshaft, pistons, connecting rods, timing system, oil pump, cooling system.

Engine Performance:

Fuel injection system (MPI), ignition system, emission controls, exhaust system.

Transmission Manual:

AX-15 manual transmission: disassembly, assembly, component inspection, clutch system, driveline, propeller shafts, U-joints.

Transmission Automatic:

AW4 automatic transmission: diagnostics, overhaul, hydraulic system, torque converter, valve body, shift solenoids.

Drivetrain 4Wd:

New Process NV242 transfer case (Selec-Trac): operation, maintenance, repair, diagnostics. New Process NV249 transfer case (Quadra-Trac): operation, maintenance, repair, diagnostics.

Suspension Front:

Independent front suspension (IFS): control arms, ball joints, steering knuckles, coil springs, shock absorbers, sway bar, wheel bearings.

Suspension Rear:

Solid rear axle: leaf springs, shock absorbers, control arms, track bar (if equipped), sway bar (if equipped), differential maintenance.

Steering:

Power steering system: pump, hoses, steering gear (steering box), tie rods, steering column, alignment procedures.

Brakes:

Front disc brakes (ventilated), rear disc brakes (solid/ventilated depending on configuration). ABS (Anti-lock Braking System): components, diagnostics, bleeding procedures. Brake fluid specifications, caliper and rotor replacement.

Electrical System:

Battery, charging system (alternator), starting system (starter motor), lighting system (headlights, taillights, interior), fuses, relays, wiring diagrams, body control module (BCM) diagnostics, instrument cluster.

Climate Control:

Heating, Ventilation, and Air Conditioning (HVAC) system: AC compressor, refrigerant, blower motor, heater core, blend doors, diagnostics, servicing procedures.

Body Exterior:

Body panels, doors, hinges, latches, glass, seals, bumpers, trim, paint touch-up, rust repair basics.

Body Interior:

Seats, upholstery, dashboard, door panels, headliner, carpeting, interior trim removal and installation.

Fuel System Maintenance:

Fuel filter replacement, fuel pump testing, injector cleaning and testing.

Emission Control System:

Catalytic converter, oxygen sensors, EGR valve, and other emission-related components and their service.

Wheel And Tire:

Wheel bearing replacement, tire specifications, lug nut torque values, alignment procedures.

Lighting And Accessories:

Headlight/taillight bulb replacement, accessory circuits, horn, wipers, power antennas.

Routine Maintenance:

Oil changes, filter replacements (oil, air, fuel), fluid checks and top-offs, tire rotation and pressure checks, spark plug replacement.

Troubleshooting:

Diagnostic flowcharts for common symptoms (e.g., no-start, poor performance, unusual noises), electrical system troubleshooting, mechanical component diagnosis.

Repair Replacement:

Component-specific removal, installation, and adjustment procedures for all major systems.

Rebuild Overhaul:

Detailed step-by-step instructions for the complete overhaul of engines, transmissions, and transfer cases.

Specification Data:

Torque specifications for fasteners, engine timing, diagnostic trouble codes (DTCs), component clearances, fluid capacities.

Wiring Diagrams:

Includes detailed electrical wiring diagrams for all vehicle systems, crucial for diagnosing electrical faults.

Diagnostic Trouble Codes:

Provides specific Diagnostic Trouble Codes (DTCs) for engine, transmission, and ABS systems, along with their meanings and troubleshooting steps.

Chassis And Body Diagnostics:

Procedures for diagnosing and repairing chassis components, frame integrity checks, and body mounting points.

Depth Level:

Comprehensive Factory Level Repair Procedures

Detail Level:

Includes detailed diagrams, exploded views, and step-by-step instructions for complex procedures.

Diagnostic Capabilities:

Extensive diagnostic information, including reading trouble codes and interpreting sensor data.

Component Identification:

Detailed identification of all components within each system, including part numbers where applicable for reference.

📊 Manual Specifications

File Format:

Digital (PDF or similar compatible format)

Searchability:

Searchable text content for quick information retrieval.

Print Quality:

High-resolution, printable pages.

Binding:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

Estimated Page Count:

While a specific page count is not provided, factory service manuals for this era typically range from 1,500 to 3,000+ pages to cover all aspects comprehensively.

⚙️ Engine Specifications

Engine Option 1:

4.0L Inline-6 (242ci) OHV

Engine Code 1:

ERH

Displacement 1:

3956 cc (242 cubic inches)

Bore X Stroke 1:

3.875 x 3.562 inches (98.4 x 90.5 mm)

Compression Ratio 1:

8.8:1

Horsepower 1:

180 hp @ 4700 rpm (approx.)

Torque 1:

220 lb-ft @ 3200 rpm (approx.)

Fuel System 1:

Multi-point Fuel Injection (MPI) with distributorless ignition system (DIS) for some late 1993 models.

Engine Option 2:

5.2L V8 (318ci) OHV Magnum

Engine Code 2:

EGA

Displacement 2:

5211 cc (318 cubic inches)

Bore X Stroke 2:

3.91 x 3.57 inches (99.3 x 90.6 mm)

Compression Ratio 2:

8.7:1

Horsepower 2:

205 hp @ 4500 rpm (approx.)

Torque 2:

275 lb-ft @ 3200 rpm (approx.)

Fuel System 2:

Multi-point Fuel Injection (MPI).

🔧 Transmission

Standard Transmission:

4.0L Engine: AX-15 5-speed manual transmission

Optional Transmission 1:

4.0L Engine: AW4 4-speed automatic transmission

Optional Transmission 2:

5.2L V8 Engine: 42RE 4-speed automatic transmission

Aw4 Features:

Electronic overdrive, lock-up torque converter.

42Re Features:

Electronic overdrive, lock-up torque converter, adaptive shift control.

📐 Dimensions

Wheelbase:

110.7 inches (2812 mm)

Length:

177.1 inches (4498 mm)

Width:

70.2 inches (1783 mm)

Height:

66.1 inches (1679 mm)

Ground Clearance:

8.7 inches (221 mm) (approx.)

Curb Weight Min:

3,900 lbs (1769 kg) (approx.)

Curb Weight Max:

4,500 lbs (2041 kg) (approx.)

Gross Vehicle Weight Rating:

5,500 - 6,000 lbs (2495 - 2722 kg) (depending on configuration)

Cargo Volume Behind Rear Seat:

33.5 cu ft (948 L)

Cargo Volume With Rear Seat Folded:

75.0 cu ft (2124 L)

🛡️ Safety Features

NHTSA Rollover Resistance:

3-star (for early models, subject to specific testing)

ABS:

Standard Anti-lock Braking System (ABS) on all wheels.

Four Wheel Drive:

Optional full-time 4WD systems (Selec-Trac, Quadra-Trac) enhancing traction and stability.

Airbags:

Driver and front passenger airbags (standard).

Seatbelts:

Three-point seat belts for all occupants, with front seat pretensioners.

Body Structure:

Unibody construction with integrated crumple zones.

💡 Technology Features

Audio System:

Factory AM/FM cassette or optional CD player, with speaker configurations varying by trim level.

Climate Control Tech:

Manual HVAC controls; optional automatic climate control available on higher trims.

ABS:

Standard Anti-lock Braking System (ABS) providing enhanced braking control.

Remote Keyless Entry:

Optional remote keyless entry system.

Power Accessories:

Power windows, power door locks, and power mirrors were available options.

🔧 Maintenance

Oil Change Interval:

Every 3,000 - 5,000 miles (4,800 - 8,000 km) or 3-6 months, depending on driving conditions.

Engine Air Filter:

Replace every 12,000 - 15,000 miles (19,000 - 24,000 km) or annually.

Spark Plugs:

Replace every 30,000 miles (48,000 km).

Transmission Fluid Change:

Automatic: Every 30,000 miles (48,000 km) or 24 months. Manual: Refer to manual for specific recommendations.

Engine Oil 4.0L:

API SG/SH, SAE 10W-30 or 10W-40 (check owner's manual for exact seasonal recommendations). Capacity: 5 US quarts (4.7 L) with filter.

Engine Oil 5.2L:

API SG/SH, SAE 10W-30 or 10W-40 (check owner's manual). Capacity: 5 US quarts (4.7 L) with filter.

Automatic Transmission Fluid:

Chrysler ATF+4 (or equivalent recognized by Mopar). Capacity: AW4 - approx. 4 US quarts (3.8 L) for fluid change, 10 US quarts (9.5 L) for overhaul. 42RE - approx. 4 US quarts (3.8 L) for fluid change, 9 US quarts (8.5 L) for overhaul.

Manual Transmission Fluid:

AX-15: SAE 75W-90 GL-5 gear oil. Capacity: 2.4 US quarts (2.3 L).

Transfer Case Fluid:

NV242: Dexron III (or equivalent). Capacity: 2.1 US quarts (2.0 L). NV249: Dexron III (or equivalent). Capacity: 2.1 US quarts (2.0 L).

Coolant:

Ethylene glycol based coolant, 50/50 mix with distilled water. Capacity: Approx. 11 US quarts (10.4 L) for 4.0L, 12 US quarts (11.4 L) for 5.2L.

Brake Fluid:

DOT 3 brake fluid.

Power Steering Fluid:

Mopar power steering fluid or equivalent. Capacity: Approx. 1.5 US quarts (1.4 L).

Differential Fluid Front Rear:

Hypoid gear oil SAE 80W-90 GL-5. Capacity: Approx. 1.75-2 US quarts (1.6-1.9 L) each.

Cooling System Leaks:

Common issues with radiator, heater core, and coolant hoses developing leaks due to age.

Transmission Problems:

AW4 can develop solenoid issues; 42RE can have valve body issues or input/output shaft seal leaks. Clutch wear on AX-15.

Transfer Case Chain Stretch:

NV242 and NV249 transfer cases can experience chain stretch, leading to slack and potential noise or slippage.

Power Steering Pump Leaks:

Leaking power steering pumps or hoses are common as the vehicle ages.

Idle Air Control Valve Iac:

The IAC valve on the 4.0L engine can become dirty or fail, leading to rough idling or stalling.

Exhaust Manifold Cracks:

The 4.0L engine's exhaust manifold is prone to cracking due to thermal cycling.

Window Regulators:

Power window regulators can fail, causing windows to become inoperative.

Instrument Cluster Faults:

Common issues with gauge failures or warning lights due to faulty circuit boards or stepper motors.

📚 Vehicle History

Jeep Legacy:

Jeep has a rich heritage in off-road vehicles dating back to WWII, known for ruggedness and capability.

Zj Introduction:

The ZJ generation, introduced for the 1993 model year, marked Jeep's entry into the premium SUV segment, a significant departure from its more utilitarian predecessors.

Zj Generation Years:

1993-1998

Zj Updates 1993:

1993 model year introduced the luxurious ZJ platform, featuring unibody construction, independent front suspension, and available V8 power. Introduced updated interior and exterior styling.

Assembly Location:

Detroit, Michigan, USA

🏆 Awards & Recognition

Motor Trend SUVyoty:

While not specific to 1993, the Grand Cherokee model line generally received positive reviews for its blend of comfort and capability in the emerging SUV market.

Jeep Brand Reputation:

Jeep's enduring reputation for off-road prowess contributes to the desirability of its models, including the Grand Cherokee ZJ.