🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Year:

1994

Platform:

ZJ

👋 Introduction

Segment:

Luxury SUV, pioneered the segment.

Vehicle Class:

Mid-size Sport Utility Vehicle (SUV).

Competitors:

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

Vehicle Attributes:

Comfortable ride, capable off-road (with Quadra-Trac), spacious interior, premium features for its time.

📋 Manual Details

General Coverage:

Comprehensive service and repair for the 1994 Jeep Grand Cherokee, from front bumper to rear.

Estimated Page Count:

Likely between 1500-2000 pages based on typical factory service manuals for this era and coverage.

Type:

Service and Repair Manual

Purpose:

Designed for DIY mechanics and professional technicians, offering detailed repair instructions and diagrams.

Language:

English

Format:

PDF (Downloadable)

📖 Manual Coverage

All Systems:

Lubrication & Maintenance, Front Suspension & Axle, Rear Suspension & Axles, Brakes, Clutch, Cooling System, Electrical System, Engines, Exhaust System & Intake Manifold, Frame & Bumpers, Fuel System, Propeller Shafts, Steering System, Transmissions & Transfer Cases, Wheels & Tires, Body Components, Heating & Air Conditioning, Emission Control Systems.

Engine Specifics:

Detailed information on the 4.0L I6 and 5.2L V8 Magnum engines, including fuel, ignition, cooling, lubrication, and emissions systems.

Transmission Transfer Case:

Service and repair for 4-speed automatic transmissions (42RE/44RE) and the NV242/NV249 transfer cases.

Suspension Steering:

Front and rear suspension systems, including leaf springs, coil springs, shock absorbers, control arms, steering gear, and linkages.

Braking System:

Front disc and rear drum braking systems, including ABS components, master cylinder, brake lines, calipers, and wheel cylinders.

Electrical System:

Comprehensive coverage of the vehicle's electrical system, including battery, charging system, starting system, lighting, ignition system, sensors, and control modules.

Body HVAC:

Interior and exterior body components, door mechanisms, windows, mirrors, seating, and the heating, ventilation, and air conditioning (HVAC) system.

Fuel Exhaust Emissions:

Fuel delivery system, exhaust system components, and emission control systems (e.g., catalytic converter, EGR system).

Repair Maintenance Diagnostics:

Detailed step-by-step instructions for servicing, repair, and diagnostics across all covered systems. Includes troubleshooting guides and component-specific procedures.

Engine Repair:

Engine overhaul, cylinder head service, piston and ring replacement, valve train repair, component diagnosis and replacement.

Transmission Repair:

Transmission fluid and filter changes, valve body diagnosis and repair, torque converter replacement, clutch pack service, transfer case disassembly and repair.

Suspension Steering Repair:

Alignment specifications, component replacement (ball joints, tie rod ends, shocks), steering gear service, wheel bearing maintenance.

Braking System Repair:

Brake pad and shoe replacement, rotor and drum resurfacing/replacement, brake fluid flush and bleed, ABS system diagnosis.

Electrical Diagnostics:

Wiring diagrams, fuse and relay locations, troubleshooting common electrical faults, component testing, diagnostic procedures for Powertrain Control Module (PCM) and other ECUs.

Body HVAC Repair:

Panel replacement, trim removal, glass replacement, HVAC system servicing (refrigerant recharge, component replacement like compressor, evaporator, heater core), diagnostic procedures for climate control.

Fuel Exhaust Emissions Repair:

Fuel pump and filter replacement, fuel injector cleaning/replacement, exhaust system repairs, emission control system diagnostics and repair.

Depth:

High. Covers everything from routine maintenance to complex engine and transmission rebuilds, electrical system diagnostics, and body repair.

📊 Manual Specifications

File Type:

PDF

Compatibility:

Compatible with all versions of Windows & Mac.

Software Requirements:

Adobe PDF Reader & WinZip (for unzipping the downloaded file).

Printability:

All pages are printable, designed for workshop use.

Binding:

N/A (Digital Download)

Paper:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Options:

4.0L (401A) I6 Magnum, 5.2L (520) V8 Magnum.

Horsepower Torque:

4.0L I6: Approx. 177 hp @ 4,700 rpm, 220 lb-ft @ 3,000 rpm; 5.2L V8: Approx. 220 hp @ 4,400 rpm, 300 lb-ft @ 2,400 rpm.

Injection Type:

Sequential Multi-Port Fuel Injection (MPI).

Engine Code I6:

401A

Engine Code V8:

520

🔧 Transmission

Transmission Type:

4-speed automatic (42RE for I6, 44RE for V8).

Transfer Case Options:

Command-Trac (NV242) part-time 2WD/4WD, Selec-Trac (NV242) full-time 4WD, Quadra-Trac (NV249) full-time 4WD with viscous coupling.

Transmission Features:

Overdrive gear for improved fuel economy, heavy-duty construction for towing.

📐 Dimensions

Wheelbase:

110.0 inches (2794 mm)

Length:

179.1 inches (4549 mm)

Curb Weight:

Approx. 4,100 - 4,600 lbs (1860 - 2087 kg) depending on engine and configuration.

Towing Capacity:

Up to 6,500 lbs (2948 kg) with appropriate towing package and engine.

🛡️ Safety Features

Crash Test Results:

NHTSA ratings from the era were generally fair to good for frontal impacts, side impact data may be limited for this specific year.

Braking System:

Front disc / Rear drum standard; optional rear disc brakes; Anti-lock Braking System (ABS) available.

Restraints:

Driver and passenger airbags, three-point seatbelts with pretensioners.

💡 Technology Features

Audio System:

Optional premium sound systems with cassette tape decks and AM/FM radio. CD player optional on some trims.

Cruise Control:

Standard on most trims, electronic speed control.

Phone Integration:

None (pre-cellular integration era).

🔧 Maintenance

Oil Change Interval:

Typically every 3,000 miles (4,800 km) or 3 months, or as recommended by engine oil type (e.g., synthetic blends may extend).

Engine Oil:

API SG or SH rated, SAE 5W-30 or 10W-30 depending on ambient temperature (refer to owner's manual for precise specs).

Coolant:

Ethylene Glycol based coolant, typically a 50/50 mix with distilled water. Mopar HOAT (Hybrid Organic Acid Technology) or equivalent is recommended.

Transmission Fluid:

ATF+4 (Mopar equivalent) for 42RE/44RE transmissions (though ATF+3 was original spec, ATF+4 is backward compatible and often preferred).

Transfer Case Fluid:

NV242/NV249: Mopar Manual Transmission Lubricant (MS-9224) or equivalent. Check manual for specific transfer case.

Power Steering Fluid:

ATF Dexron II/III or Mopar power steering fluid. Refer to manual for specific type.

Brake Fluid:

DOT 3 or DOT 4 brake fluid.

Common Problems:

Transmission issues (input/output shaft seals, valve body), cooling system leaks (radiator, water pump), power window regulators, rear main seal leaks (especially on V8), NP249 transfer case viscous coupler failure, ABS sensor issues.

Oil Filter:

Wix 51515, Fram PH8A, Purolator L30001, Mopar MO-090 (Note: Verify exact fitment for specific engine).

Engine Oil Capacity:

4.0L I6: 5 quarts (4.7 liters) with filter. 5.2L V8: 5 quarts (4.7 liters) with filter. (Verify with manual).

Cooling System Capacity:

Approx. 12-14 quarts (11.4-13.2 liters) depending on engine and cooling fan setup. (Verify with manual).

📚 Vehicle History

Jeep Legacy:

Founded on military vehicles, known for off-road prowess and durability.

Zj Generation:

First generation (ZJ) introduced in 1992, this 1994 model is part of the initial refresh and refinement phase. It defined the modern luxury SUV segment for Jeep.

Manufacturing Location:

Jefferson North Assembly Plant, Detroit, Michigan.