Market Position:
The 1994 Jeep Cherokee XJ represents the peak of the early to mid-generation XJ platform, a beloved compact SUV known for its ruggedness, capability, and off-road prowess. It competed against vehicles like the Ford Explorer, Toyota 4Runner, and Chevrolet S-10 Blazer.
Competitive Analysis:
The XJ's unibody construction was revolutionary for its time, offering a lighter and more rigid platform than traditional body-on-frame SUVs. This, combined with the legendary 4.0L inline-six engine and Jeep's renowned 4x4 systems, cemented its place as a benchmark in the segment.
Key Features:
Compact SUV, capable off-road, unibody construction, available 4.0L inline-6 engine, robust 4x4 systems, durable and reliable reputation.
Systems Covered:
Engine, Transmission, Drivetrain, Brakes, Suspension, Steering, Electrical, HVAC, Body, Emissions, Troubleshooting, Wiring Diagrams, Lubrication, Maintenance, Specifications
Page Count:
Estimated 1000+ pages (typical for a full factory service manual)
Manual Type:
Factory Service Repair Workshop Manual
Completeness:
Complete Factory Service Manual covering all aspects of repair and maintenance.
Format:
PDF (Downloadable)
Engine Systems:
2.5L AMC 150 I4, 4.0L AMC 242 I6: Engine mechanical, cooling system, fuel system (MPI), ignition system, lubrication, exhaust system, emissions control
Transmission Drivetrain:
Manual Transmissions (AX-5, NV3550), Automatic Transmissions (AW4, 30RH): Clutch, transfer case (Command-Trac, Selec-Trac), drive shafts, axles (Dana 30 front, Dana 35 rear, Chrysler 8.25 rear optional)
Suspension Steering:
Front leaf spring suspension, Rear leaf spring suspension, Power steering system, steering gear, steering column
Brake System:
Front disc brakes, Rear drum brakes, Parking brake, Anti-lock Braking System (ABS) for some models
Electrical System:
Battery, starting system, charging system, lighting, instruments and gauges, horn, wipers and washers, power windows, power locks, fuse block, relays, diagnostic trouble codes (OBD-I)
HVAC Body:
Heating, Ventilation, and Air Conditioning (HVAC) system, interior trim, exterior trim, doors, windows, latches, locks, body repair, glass replacement
Chassis Systems:
Frame (unibody) construction, suspension components, steering linkage, exhaust system routing and components
Maintenance Procedures:
Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt replacement, brake pad/shoe replacement, battery maintenance
Repair Procedures:
Engine tune-ups, complete engine overhauls, transmission rebuilds, axle overhauls, suspension component replacement, brake system repairs, electrical diagnostics and repair, HVAC system servicing, body panel repair
Troubleshooting:
Diagnostic flowcharts for common problems, symptom-based troubleshooting guides, electrical troubleshooting using wiring diagrams
Technical Specifications:
Torque specifications, fluid capacities, clearances, component identification, wiring diagrams, diagnostic codes
Diagnostic Procedures:
OBD-I diagnostic code retrieval and interpretation, component testing procedures, circuit testing
Depth:
Comprehensive (from basic maintenance to full engine and transmission rebuilds, including electrical diagnostics)
Wiring Diagrams:
Includes detailed electrical wiring diagrams for all major systems
Primary Engine:
4.0L (3960cc) AMC 242 Inline-6
Secondary Engine:
2.5L (2460cc) AMC 150 Inline-4
Horsepower 4.0L:
184 hp @ 4700 rpm (approximate)
Torque 4.0L:
220 lb-ft @ 3200 rpm (approximate)
Horsepower 2.5L:
125 hp @ 4600 rpm (approximate)
Torque 2.5L:
150 lb-ft @ 2400 rpm (approximate)
Fuel System:
Multi-Point Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline
Ignition System:
Distributorless Ignition System (DIS) with Crankshaft Position Sensor
Engine Block Material 4.0L:
Cast Iron
Engine Block Material 2.5L:
Cast Iron
Standard Transmission:
5-Speed Manual (AX-5)
Optional Transmission:
3-Speed Automatic (AW4)
Optional Transmission 2:
4-Speed Automatic (30RH, later replaced AW4)
Transfer Case Options:
Command-Trac (2WD/4WD Part-Time), Selec-Trac (2WD/4WD Full-Time)
Manual Transmission Fluid:
API GL-3 or GL-4, SAE 75W-90 (AX-5); Mercon ATF or equivalent (NV3550)
Automatic Transmission Fluid:
Dexron III/Mercon ATF
Gear Ratios Ax5:
1st: 3.95, 2nd: 2.18, 3rd: 1.37, 4th: 1.00, 5th: 0.85, Reverse: 3.53 (approximate, consult manual for exact ratios)
Gear Ratios Aw4:
1st: 2.73, 2nd: 1.57, 3rd: 1.00, 4th: 0.69, Reverse: 2.20 (approximate, consult manual for exact ratios)
Oil Change Interval:
Every 3,000-7,500 miles, or 6 months, depending on oil type and driving conditions (consult manual for specific recommendations)
Transmission Fluid Change Interval:
Every 30,000-60,000 miles (check manual for specific application)
Coolant Flush Interval:
Every 30,000-50,000 miles or 2-3 years
Engine Oil Specification:
API SG or higher, SAE 10W-30 or 10W-40 for 4.0L; SAE 5W-30 or 10W-30 for 2.5L (consult manual)
Coolant Specification:
Chrysler/Mopar Antifreeze/Coolant (Ethylene Glycol base), typically a 50/50 mix with distilled water
Brake Fluid Specification:
DOT 3
Power Steering Fluid:
ATF+3 or Mopar ATF+3 (refer to manual, may also accept some Dexron/Mercon)
Common Issues:
Head gasket failure on 4.0L (especially earlier models but can occur), cracked exhaust manifolds (4.0L), worn leaf spring bushings, differential gear wear, AC system leaks, death wobble (worn steering/suspension components), CPS sensor failure (4.0L)
Oil Filter Part Number 4.0L:
Mopar: MO-090, Fram: PH8A, Wix: 51515 (verify with specific application)
Air Filter Part Number 4.0L:
Mopar: 53007498, Fram: CA3041 (verify with specific application)
Brand Heritage:
Jeep has a long-standing heritage in off-road vehicles, dating back to World War II with the Willys MB. This legacy informs the design and engineering of all Jeep vehicles, including the Cherokee XJ.
Model Evolution:
Introduced in 1984, the Cherokee XJ was a groundbreaking compact SUV. The 1994 model year represents a significant update with the introduction of the 4.0L inline-6 engine as standard on many trims, revised interior, and improved safety features like the driver's side airbag.
1994 Updates:
Standard driver-side airbag, revised interior and dashboard design, improved fuel injection system, optional Selec-Trac full-time 4WD system becomes more prevalent.
Production Years:
1984-2001
Manufacturing Locations:
Toledo, Ohio, USA; Beijing, China (Cherokee); Renault-AMC plants (France, Italy, Spain)