Segment:
Compact SUV/Off-road Vehicle
Target Audience:
Enthusiasts, DIY mechanics, professional technicians
Key Competitors:
Ford Bronco II, Chevrolet S-10 Blazer, Toyota 4Runner
Vehicle Philosophy:
Rugged, capable, reliable off-road vehicle with a unibody construction
Manual Utility:
Provides the definitive resource for maintaining and repairing the Jeep XJ
Powertrain:
Engine (4.0L I6, 2.5L I4), Transmission (4-speed Automatic, 5-speed Manual), Transfer Case, Drivetrain (4WD/RWD)
Chassis:
Suspension (Solid Front Axle, Leaf Spring Rear), Steering (Power Rack and Pinion), Brakes (Front Disc, Rear Drum), Wheels and Tires
Electrical:
Wiring Diagrams, Lighting, Ignition System, Starting System, Charging System, Instrumentation, Accessories, Body Control Modules (BCM)
Body:
Body Panels, Doors, Windows, Interior Trim, Seats, HVAC System, Exterior Trim
Maintenance:
Scheduled Maintenance, Oil Changes, Filter Replacements, Lubrication
Repair Rebuild:
Engine Overhaul, Transmission Rebuild, Brake System Repair, Suspension Component Replacement, Electrical Component Diagnosis and Repair
Diagnostics:
Troubleshooting Charts, Diagnostic Trouble Codes (DTCs), Component Testing Procedures
Refurbish Restore:
Body Panel Alignment, Interior Refurbishment, Mechanical Component Restoration
Depth:
Comprehensive (from basic fluid checks to complete engine and transmission rebuilds)
Diagnostic Capability:
Advanced diagnostic procedures, including component testing and troubleshooting trees
Special Tools:
Identifies required special tools for specific repair procedures
Engine 1 Displacement:
2.5 Liters (150 cu in)
Engine 1 Type:
AMC 150 I4 (Inline 4-Cylinder)
Engine 1 Fuel Delivery:
Fuel Injection (MPI)
Engine 2 Displacement:
4.0 Liters (242 cu in)
Engine 2 Type:
AMC 242 I6 (Inline 6-Cylinder)
Engine 2 Fuel Delivery:
Fuel Injection (MPI)
Engine 1 Horsepower:
Approx. 115 hp @ 4,500 rpm (Varies by specific application)
Engine 1 Torque:
Approx. 135 lb-ft @ 3,000 rpm (Varies by specific application)
Engine 2 Horsepower:
Approx. 173 hp @ 4,500 rpm (Varies by specific application)
Engine 2 Torque:
Approx. 220 lb-ft @ 2,400 rpm (Varies by specific application)
Fuel Type:
Unleaded Gasoline
Fuel Tank Capacity:
Approx. 20 gallons (91L)
Standard Transmission:
4-speed Automatic (Select-Shift)
Optional Transmission:
5-speed Manual (Aisin AX-5)
Transfer Case:
Command-Trac NV242 (Part-time 2WD, 4WD High, 4WD Low, Neutral)
Transmission Fluid Auto:
ATF+3 or equivalent (Refer to manual for exact specification and part number)
Transmission Fluid Manual:
API GL-5, SAE 75W-90 or 75W-140 (Refer to manual for exact specification and part number)
Wheelbase:
108.7 inches (2761 mm)
Length:
170.5 inches (4331 mm)
Width:
69.9 inches (1775 mm)
Height:
63.6 inches (1615 mm)
Curb Weight:
Approx. 3,000 - 3,500 lbs (1361 - 1588 kg) (Varies by configuration)
Towing Capacity:
Up to 5,000 lbs (2268 kg) (Varies by engine and configuration)
Payload Capacity:
Approx. 1,000 lbs (454 kg) (Varies by configuration)
NHTSA Ratings:
Not directly applicable for 1984 models as per modern NHTSA standards. Historical data may vary.
Braking System:
Front ventilated discs, rear drum brakes. Optional ABS on some later models, unlikely for '84.
Traction Control:
Not available on 1984 models.
Airbags:
Not available on 1984 models.
Seat Belts:
Three-point front seat belts, two-point rear seat belts.
Audio System:
Basic AM/FM stereo with cassette player. Optional premium sound system.
Navigation:
Not available on 1984 models.
Cruise Control:
Optional on most models.
Anti Lock Brakes:
Not typically available on 1984 models; introduced on later XJ generations.
Aux Input:
Not available on 1984 models.
Oil Change Interval:
Every 3,000 miles (5,000 km) or 3 months (Recommended)
Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months
Spark Plug Replacement:
Every 30,000 miles (48,000 km)
Engine Oil Type:
API SN/SP or equivalent, SAE 10W-30 (Check owner's manual for seasonal variations)
Coolant Type:
Chrysler/Mopar HOAT (Hybrid Organic Acid Technology) coolant, 50/50 mix with distilled water
Power Steering Fluid:
ATF+3 or Mopar Power Steering Fluid (Refer to manual)
Common Wear Items:
Leaf spring bushings, tie rod ends, water pump, radiator, rear main seal leaks, headliner sagging.
Engine Specific Issues:
The 4.0L I6 is known for its durability but can develop oil pressure issues if maintenance is neglected. The 2.5L I4 can be prone to head gasket issues.
Electrical Quirks:
Aging wiring harnesses and ground points can lead to intermittent electrical issues.
Automotive Journalism Awards:
The XJ platform received numerous accolades from automotive publications for its blend of on-road manners and off-road prowess. Often cited as pioneering the modern SUV segment.
Off Road Capability Rating:
Universally praised for its off-road capability, especially with the 4.0L engine and 4WD system.
Engineering Standards:
Designed to meet or exceed AMC/Jeep engineering standards of the era.
